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2D linear elasticity

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In this first numerical tour, we will show how to compute a static solution for a 2D isotropic linear elastic medium, either in plane stress or in plane strain, using FEniCS in a tradtional displacement-based finite element formulation.

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We will illustrate this on the case of a cantilever beam modeled as a 2D medium of dimensions L x H. We first define the geometrical parameters and mesh density which will be used. The mesh is generated using the RectangleMesh function and we choose a crossed configuration for the mesh structure.

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We now define the material parameters which are here given in terms of a Young’s modulus and a Poisson coefficient. In the following, we will need to define the constitutive relation relating sigma as a function of varepsilon. Let us recall that the general expression for a 3D medium of the linear elastic isotropic constitutive relation is given by :

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here we will consider a 2D model either in plane strain or in plane stress. Irrespective of this choice, we will work only with a 2D displacement vector u and will subsequently define the strain operator epsilon as follows

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def eps(v):
-     return sym(grad(v))
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which computes the 2x2 plane components of the symmetrized gradient tensor of any 2D vectorial field. -In the plane strain case, the full 3D strain tensor is defined as follows, so that the 2x2 plane part of the stress tensor is defined in the same way as for the 3D case.

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In the plane stress case, an out-of-plane epsilon_{zz}

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Hence, the 2D constitutive relation can be defined as follows, by changing only the value of the Lamé coefficient lambda.

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def sigma(v):
-    dim = 2
-    if plane_stress:
-        lmbda = lmbda_plane_stress
-    else:
-        lmbda = lmbda_plane_strain
-    return lmbda*tr(eps(v))*Identity(dim) + 2.0*mu*eps(v)
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- - - - - \ No newline at end of file diff --git a/doc/_build/html/_images/clamped_40x40.png b/doc/_build/html/_images/clamped_40x40.png deleted file mode 100644 index bbd52f2190f67a6f4bdab7bfaf7b320efd1369eb..0000000000000000000000000000000000000000 Binary files a/doc/_build/html/_images/clamped_40x40.png and /dev/null differ diff --git a/doc/_build/html/_sources/2D_elasticity.rst.txt b/doc/_build/html/_sources/2D_elasticity.rst.txt deleted file mode 100644 index e8dc3fe6ff875eab23c9a2859c38368692cf31c2..0000000000000000000000000000000000000000 --- a/doc/_build/html/_sources/2D_elasticity.rst.txt +++ /dev/null @@ -1,34 +0,0 @@ -========================= - 2D linear elasticity -========================= - -In this first numerical tour, we will show how to compute a static solution for a 2D isotropic linear elastic medium, either in plane stress or in plane strain, using FEniCS in a tradtional displacement-based finite element formulation. - -We will illustrate this on the case of a cantilever beam modeled as a 2D medium of dimensions L x H. We first define the geometrical parameters and mesh density which will be used. The mesh is generated using the RectangleMesh function and we choose a crossed configuration for the mesh structure. - -We now define the material parameters which are here given in terms of a Young's modulus and a Poisson coefficient. In the following, we will need to define the constitutive relation relating \sigma as a function of \varepsilon. Let us recall that the general expression for a 3D medium of the linear elastic isotropic constitutive relation is given by : - -here we will consider a 2D model either in plane strain or in plane stress. Irrespective of this choice, we will work only with a 2D displacement vector u and will subsequently define the strain operator \epsilon as follows - -.. code-block:: python - - def eps(v): - return sym(grad(v)) - -which computes the 2x2 plane components of the symmetrized gradient tensor of any 2D vectorial field. -In the plane strain case, the full 3D strain tensor is defined as follows, so that the 2x2 plane part of the stress tensor is defined in the same way as for the 3D case. - -In the plane stress case, an out-of-plane \epsilon_{zz} - -Hence, the 2D constitutive relation can be defined as follows, by changing only the value of the Lamé coefficient \lambda. - - -.. code-block:: python - - def sigma(v): - dim = 2 - if plane_stress: - lmbda = lmbda_plane_stress - else: - lmbda = lmbda_plane_strain - return lmbda*tr(eps(v))*Identity(dim) + 2.0*mu*eps(v) diff --git a/doc/_build/html/_sources/2D_elasticity.txt b/doc/_build/html/_sources/2D_elasticity.txt deleted file mode 100644 index 758ea72691c7c55064e6502f6bbf1cf4cb1cbdd6..0000000000000000000000000000000000000000 --- a/doc/_build/html/_sources/2D_elasticity.txt +++ /dev/null @@ -1,34 +0,0 @@ -========================= - 2D linear elasticity -========================= - -In this first numerical tour, we will show how to compute a static solution for a 2D isotropic linear elastic medium, either in plane stress or in plane strain, using FEniCS in a tradtional displacement-based finite element formulation. - -We will illustrate this on the case of a cantilever beam modeled as 2D medium of dimensions L x H. We first define the geometrical parameters and mesh density which will be used. The mesh is generated using the RectangleMesh function and we choose a crossed configuration for the mesh structure. - -We now define the material parameters which are here given in terms of a Young's modulus and a Poisson coefficient. In the following, we will need to define the constitutive relation relating \sigma as a function of \varepsilon. Let us recall that the general expression for a 3D medium of the linear elastic isotropic constitutive relation is given by : - -here we will consider a 2D model either in plane strain or in plane stress. Irrespective of this choice, we will work only with a 2D displacement vector u and will subsequently define the strain operator \epsilon as follows - -.. code-block:: python - - def eps(v): - return sym(grad(v)) - -which computes the 2x2 plane components of the symmetrized gradient tensor of any 2D vectorial field. -In the plane strain case, the full 3D strain tensor is defined as follows, so that the 2x2 plane part of the stress tensor is defined in the same way as for the 3D case. - -In the plane stress case, an out-of-plane \epsilon_{zz} - -Hence, the 2D constitutive relation can be defined as follows, by changing only the value of the Lamé coefficient \lambda. - - -.. code-block:: python - - def sigma(v): - dim = v.geometric_dimension() - if plane_stress: - lmbda = lmbda_plane_stress - else: - lmbda = lmbda_plane_strain - return lmbda*tr(eps(v))*Identity(dim) + 2.0*mu*eps(v) diff --git a/doc/_build/html/_sources/demo/reissner_mindlin/reissner_mindlin.py.rst.txt b/doc/_build/html/_sources/demo/reissner_mindlin/reissner_mindlin.py.rst.txt deleted file mode 100644 index 8596c98aad42a169ee193a79b5870ca3d5d13eaf..0000000000000000000000000000000000000000 --- a/doc/_build/html/_sources/demo/reissner_mindlin/reissner_mindlin.py.rst.txt +++ /dev/null @@ -1,121 +0,0 @@ - -.. _ReissnerMindlin: - -========================================== -Reissner-Mindlin plate with Quadrilaterals -========================================== - - -This program solves the Reissner-Mindlin plate equations on the unit -square with uniform transverse loading and fully clamped boundary conditions. - -It uses quadrilateral cells and selective reduced integration (SRI) to -remove shear-locking issues in the thin plate limit. Both linear and -quadratic interpolation are considered for the transverse deflection -:math:`w` and rotation :math:`\underline{\theta}`. - -The solution for :math:`w` in this demo will look as follows: - -.. image:: clamped_40x40.png - :scale: 40 % - - -Material parameters for isotropic linear elastic behavior are first defined:: - - from fenics import * - - E = Constant(1e3) - nu = Constant(0.3) - -Plate bending stiffness :math:`D=\dfrac{Eh^3}{12(1-\nu^2)}` and shear stiffness :math:`F = \kappa Gh` -with a shear correction factor :math:`\kappa = 5/6` for a homogeneous plate -of thickness :math:`h`:: - - thick = Constant(1e-2) - D = E*thick**3/(1-nu**2)/12. - F = E/2/(1+nu)*thick*5./6. - -The uniform loading :math:`f` is scaled by the plate thickness so that the deflection converges to a -constant value in the thin plate Love-Kirchhoff limit:: - - f = Constant(-thick**3) - -The unit square mesh is divided in :math:`N\times N` quadrilaterals:: - - N = 10 - mesh = UnitSquareMesh.create(N, N, CellType.Type_quadrilateral) - -Continuous interpolation using of degree :math:`d=\texttt{deg}` is chosen for both deflection and rotation:: - - deg = 1 - We = FiniteElement("Lagrange", mesh.ufl_cell(), deg) - Te = VectorElement("Lagrange", mesh.ufl_cell(), deg) - V = FunctionSpace(mesh,MixedElement([We,Te])) - -Clamped boundary conditions on the lateral boundary are defined as:: - - def border(x, on_boundary): - return on_boundary - - bc = [DirichletBC(V,Constant((0.,0.,0.)), border)] - - -Some useful functions for implementing generalized constitutive relations are now -defined:: - - def strain2voigt(eps): - return as_vector([eps[0,0],eps[1,1],2*eps[0,1]]) - def voigt2stress(S): - return as_tensor([[S[0],S[2]],[S[2],S[1]]]) - def curv(u): - (w,theta) = split(u) - return sym(grad(theta)) - def shear_strain(u): - (w,theta) = split(u) - return theta-grad(w) - def bending_moment(u): - DD = as_tensor([[D,nu*D,0],[nu*D,D,0],[0,0,D*(1-nu)/2.]]) - return voigt2stress(dot(DD,strain2voigt(curv(u)))) - def shear_force(u): - return F*shear_strain(u) - - -The contribution of shear forces to the total energy is under-integrated using -a custom quadrature rule of degree :math:`2d-2` i.e. for linear (:math:`d=1`) -quadrilaterals, the shear energy is integrated as if it were constant (1 Gauss point instead of 2x2) -and for quadratic (:math:`d=2`) quadrilaterals, as if it were quadratic (2x2 Gauss points instead of 3x3):: - - u = Function(V) - u_ = TestFunction(V) - du = TrialFunction(V) - - dx_shear = dx(metadata={"quadrature_degree":2*deg-2}) - - L = f*u_[0]*dx - a = inner(bending_moment(u_),curv(du))*dx + dot(shear_force(u_),shear_strain(du))*dx_shear - - -We then solve for the solution and export the relevant fields to XDMF files :: - - solve(a == L, u, bc) - - (w,theta) = split(u) - - Vw = FunctionSpace(mesh,We) - Vt = FunctionSpace(mesh,Te) - ww = Function(Vw, name="Deflection") - tt = Function(Vt, name="Rotation") - ww.assign(project(w, Vw)) - tt.assign(project(theta, Vt)) - - file_results = XDMFFile("RM_results.xdmf") - file_results.parameters["flush_output"] = True - file_results.parameters["functions_share_mesh"] = True - file_results.write(ww, 0.) - file_results.write(tt, 0.) - -The solution is compared to the Kirchhoff analytical solution:: - - print "Kirchhoff deflection:", -1.265319087e-3*float(f/D) - print "Reissner-Mindlin FE deflection:", min(ww.vector().get_local()) # point evaluation for quads - # is not implemented in fenics 2017.2 \ No newline at end of file diff --git a/doc/_build/html/_sources/index.rst.txt b/doc/_build/html/_sources/index.rst.txt deleted file mode 100644 index 3164e952de52af2853314e3734cd27d7ba5988a0..0000000000000000000000000000000000000000 --- a/doc/_build/html/_sources/index.rst.txt +++ /dev/null @@ -1,26 +0,0 @@ -.. Numerical tours of continuum mechanics using FEniCS documentation master file, created by - sphinx-quickstart on Wed Jun 8 21:25:10 2016. - You can adapt this file completely to your liking, but it should at least - contain the root `toctree` directive. - -Welcome to Numerical tours of Computational Continuum Mechanics using FEniCS -============================================================================ - -Contents: - -.. toctree:: - :maxdepth: 2 - - intro - 2D_elasticity - demo/reissner_mindlin/reissner_mindlin.py.rst - - - -Indices and tables -================== - -* :ref:`genindex` -* :ref:`modindex` -* :ref:`search` - diff --git a/doc/_build/html/_sources/intro.rst.txt b/doc/_build/html/_sources/intro.rst.txt deleted file mode 100644 index 2d0dd1bed996f20790d121a2a751dddbc836b18f..0000000000000000000000000000000000000000 --- a/doc/_build/html/_sources/intro.rst.txt +++ /dev/null @@ -1,35 +0,0 @@ -========================= -Introduction -========================= - -These numerical tours will introduce you to a wide variety of topics in Computational Continuum Mechanics using the finite element software FEniCS. - -You can find instructions on how to install FEniCS on the FEniCS project website http://fenicsproject.org. In the following numerical tours, we will use the Python interface for the different FEniCS scripts. - -FEniCS is also distributed along with an important number of documented or undocumented examples, some of them will be revisited in these tours but do not hesitate to look for other interesting examples. - -In particular, we advise you to go through the documentation and tutorials to get started with FEniCS. - --------------------- -A few words about FEniCS --------------------- - -Contrary to most finite element softwares in the computational mechanics community, FEniCS is a multi-purpose software that allows for the discretization and numerical resolution of a wide range of problems governed by partial differential equations. - -The formulation of a problem in FEniCS relies on the definition of discrete functional spaces depending on a mesh. For instance, we can define : - -.. code-block:: python - - # A continuous Galerkin ("CG") scalar function space interpolated with polynomials of degree 2 - Vh = FunctionSpace(mesh,"CG",2) - # A discontinous Galerkin ("DG") vectorial function space (the dimension is fixed by the mesh) interpolated with polynomials of degree 1 - Wh = VectorFunctionSpace(mesh,"DG",1) - -The next step is to define test and trial functions which will then be used to define forms (linear, bilinear or non-linear) representing the weak variational formulation of the problem which we aim at solving. - - - - - - - diff --git a/doc/_build/html/_sources/intro.txt b/doc/_build/html/_sources/intro.txt deleted file mode 100644 index 2d0dd1bed996f20790d121a2a751dddbc836b18f..0000000000000000000000000000000000000000 --- a/doc/_build/html/_sources/intro.txt +++ /dev/null @@ -1,35 +0,0 @@ -========================= -Introduction -========================= - -These numerical tours will introduce you to a wide variety of topics in Computational Continuum Mechanics using the finite element software FEniCS. - -You can find instructions on how to install FEniCS on the FEniCS project website http://fenicsproject.org. In the following numerical tours, we will use the Python interface for the different FEniCS scripts. - -FEniCS is also distributed along with an important number of documented or undocumented examples, some of them will be revisited in these tours but do not hesitate to look for other interesting examples. - -In particular, we advise you to go through the documentation and tutorials to get started with FEniCS. - --------------------- -A few words about FEniCS --------------------- - -Contrary to most finite element softwares in the computational mechanics community, FEniCS is a multi-purpose software that allows for the discretization and numerical resolution of a wide range of problems governed by partial differential equations. - -The formulation of a problem in FEniCS relies on the definition of discrete functional spaces depending on a mesh. For instance, we can define : - -.. code-block:: python - - # A continuous Galerkin ("CG") scalar function space interpolated with polynomials of degree 2 - Vh = FunctionSpace(mesh,"CG",2) - # A discontinous Galerkin ("DG") vectorial function space (the dimension is fixed by the mesh) interpolated with polynomials of degree 1 - Wh = VectorFunctionSpace(mesh,"DG",1) - -The next step is to define test and trial functions which will then be used to define forms (linear, bilinear or non-linear) representing the weak variational formulation of the problem which we aim at solving. - - - - - - - diff --git a/doc/_build/html/_sources/tips_and_tricks.rst.txt b/doc/_build/html/_sources/tips_and_tricks.rst.txt deleted file mode 100644 index 5511a6ef5a7c8f022f0ef7b04e89b44654748212..0000000000000000000000000000000000000000 --- a/doc/_build/html/_sources/tips_and_tricks.rst.txt +++ /dev/null @@ -1,28 +0,0 @@ -Efficient assignement of vector-valued functions ------------------------------------------------- - -Suppose that you have a vector-valued (dimension 2) function ``v`` defined on space ``VV`` and two scalar valued functions ``u0`` and ``u1`` defined on space ``V`` that you want to assign as the components of ``v``. -Projection of ``as_vector([u0,u1])`` onto ``VV`` or interpolation of Expression is too slow for big meshes. An efficient way to perform this is to use the ``FunctionAssigner`` between space ``VV`` and spaces ``[V,V]`` as follows : - -assigner = FunctionAssigner(VV, [V, V]) -assigner.assign(vv, [u0, u1]) - - -Efficient projection on DG or Quadrature spaces ------------------------------------------------- - -For projecting a Function on a DG or Quadrature space, that is a space with no coupling between elements, the projection can be performed element-wise. For this purpose, using the LocalSolver is much more faster than performing a global projection : - - -def local_project(v,V): - dv = TrialFunction(V) - v_ = TestFunction(V) - a_proj = inner(dv,v_)*dx(metadata=metadata) - b_proj = inner(v,v_)*dx(metadata=metadata) - solver = LocalSolver(a_proj,b_proj) - solver.factorize() - u = Function(V) - solver.solve_local_rhs(u) - return u - -Local factorizations can be cached if projection is performed many times. diff --git a/doc/_build/html/_static/agogo.css b/doc/_build/html/_static/agogo.css deleted file mode 100644 index cd2bc7bdd5551894514d179f3aa098886486022c..0000000000000000000000000000000000000000 --- a/doc/_build/html/_static/agogo.css +++ /dev/null @@ -1,531 +0,0 @@ -/* - * agogo.css_t - * ~~~~~~~~~~~ - * - * Sphinx stylesheet -- agogo theme. - * - * :copyright: Copyright 2007-2017 by the Sphinx team, see AUTHORS. - * :license: BSD, see LICENSE for details. - * - */ - -* { - margin: 0px; - padding: 0px; -} - -body { - font-family: 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padding: 2px 5px; - font-size: small; -} - -/* -- math display ---------------------------------------------------------- */ - -div.body div.math p { - text-align: center; -} - -span.eqno { - float: right; -} \ No newline at end of file diff --git a/doc/_build/html/_static/ajax-loader.gif b/doc/_build/html/_static/ajax-loader.gif deleted file mode 100644 index 61faf8cab23993bd3e1560bff0668bd628642330..0000000000000000000000000000000000000000 Binary files a/doc/_build/html/_static/ajax-loader.gif and /dev/null differ diff --git a/doc/_build/html/_static/alert_info_32.png b/doc/_build/html/_static/alert_info_32.png deleted file mode 100644 index ea4d1baf7001be1d988ca82c2ac4d65803589915..0000000000000000000000000000000000000000 Binary files a/doc/_build/html/_static/alert_info_32.png and /dev/null differ diff --git a/doc/_build/html/_static/alert_warning_32.png b/doc/_build/html/_static/alert_warning_32.png deleted file mode 100644 index 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none; -} - -div.related li { - display: inline; -} - -div.related li.right { - float: right; - margin-right: 5px; -} - -/* -- sidebar --------------------------------------------------------------- */ - -div.sphinxsidebarwrapper { - padding: 10px 5px 0 10px; -} - -div.sphinxsidebar { - float: left; - width: 0px; - margin-left: -100%; - font-size: 90%; - word-wrap: break-word; - overflow-wrap : break-word; -} - -div.sphinxsidebar ul { - list-style: none; -} - -div.sphinxsidebar ul ul, -div.sphinxsidebar ul.want-points { - margin-left: 20px; - list-style: square; -} - -div.sphinxsidebar ul ul { - margin-top: 0; - margin-bottom: 0; -} - -div.sphinxsidebar form { - margin-top: 10px; -} - -div.sphinxsidebar input { - border: 1px solid #98dbcc; - font-family: sans-serif; - font-size: 1em; -} - -div.sphinxsidebar #searchbox input[type="text"] { - width: 170px; -} - -img { - border: 0; - max-width: 100%; -} - -/* -- search page ----------------------------------------------------------- */ - -ul.search { - margin: 10px 0 0 20px; - padding: 0; -} - -ul.search li { - padding: 5px 0 5px 20px; - background-image: url(file.png); - background-repeat: no-repeat; - background-position: 0 7px; -} - -ul.search li a { - font-weight: bold; -} - -ul.search li div.context { - color: #888; - margin: 2px 0 0 30px; - text-align: left; -} - -ul.keywordmatches li.goodmatch a { - font-weight: bold; -} - -/* -- index page ------------------------------------------------------------ */ - -table.contentstable { - width: 90%; - margin-left: auto; - margin-right: auto; -} - -table.contentstable p.biglink { - line-height: 150%; -} - -a.biglink { - font-size: 1.3em; -} - -span.linkdescr { - font-style: italic; - padding-top: 5px; - font-size: 90%; -} - -/* -- general index --------------------------------------------------------- */ - -table.indextable { - width: 100%; -} - -table.indextable td { - text-align: left; - vertical-align: top; -} - -table.indextable ul { - margin-top: 0; - margin-bottom: 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text-align: right; -} - -/* -- sidebars -------------------------------------------------------------- */ - -div.sidebar { - margin: 0 0 0.5em 1em; - border: 1px solid #ddb; - padding: 7px 7px 0 7px; - background-color: #ffe; - width: 40%; - float: right; -} - -p.sidebar-title { - font-weight: bold; -} - -/* -- topics ---------------------------------------------------------------- */ - -div.topic { - border: 1px solid #ccc; - padding: 7px 7px 0 7px; - margin: 10px 0 10px 0; -} - -p.topic-title { - font-size: 1.1em; - font-weight: bold; - margin-top: 10px; -} - -/* -- admonitions ----------------------------------------------------------- */ - -div.admonition { - margin-top: 10px; - margin-bottom: 10px; - padding: 7px; -} - -div.admonition dt { - font-weight: bold; -} - -div.admonition dl { - margin-bottom: 0; -} - -p.admonition-title { - margin: 0px 10px 5px 0px; - font-weight: bold; -} - -div.body p.centered { - text-align: center; - margin-top: 25px; -} - -/* -- tables ---------------------------------------------------------------- */ - -table.docutils { - border: 0; - border-collapse: collapse; -} - -table caption span.caption-number { - font-style: italic; -} - -table caption span.caption-text { -} - -table.docutils td, table.docutils th { - padding: 1px 8px 1px 5px; - border-top: 0; - border-left: 0; - border-right: 0; - border-bottom: 1px solid #aaa; -} - -table.footnote td, table.footnote th { - border: 0 !important; -} - -th { - text-align: left; - padding-right: 5px; -} - -table.citation { - border-left: solid 1px gray; - margin-left: 1px; -} - -table.citation td { - border-bottom: none; -} - -/* -- figures --------------------------------------------------------------- */ - -div.figure { - margin: 0.5em; - padding: 0.5em; -} - -div.figure p.caption { - padding: 0.3em; -} - -div.figure p.caption span.caption-number { - font-style: italic; -} - -div.figure p.caption span.caption-text { -} - -/* -- field list styles ----------------------------------------------------- */ - -table.field-list td, table.field-list th { - border: 0 !important; -} - -.field-list ul { - margin: 0; - padding-left: 1em; -} - -.field-list p { - margin: 0; -} - -.field-name { - -moz-hyphens: manual; - -ms-hyphens: manual; - -webkit-hyphens: manual; - hyphens: manual; -} - -/* -- other body styles ----------------------------------------------------- */ - -ol.arabic { - list-style: decimal; -} - -ol.loweralpha { - list-style: lower-alpha; -} - -ol.upperalpha { - list-style: upper-alpha; -} - -ol.lowerroman { - list-style: lower-roman; -} - -ol.upperroman { - list-style: upper-roman; -} - -dl { - margin-bottom: 15px; -} - -dd p { - margin-top: 0px; -} - -dd ul, dd table { - margin-bottom: 10px; -} - -dd { - margin-top: 3px; - margin-bottom: 10px; - margin-left: 30px; -} - -dt:target, span.highlighted { - background-color: #fbe54e; -} - -rect.highlighted { - fill: #fbe54e; -} - -dl.glossary dt { - font-weight: bold; - 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-.viewcode-link { - float: right; -} - -.viewcode-back { - float: right; - font-family: sans-serif; -} - -div.viewcode-block:target { - margin: -1px -10px; - padding: 0 10px; -} - -/* -- math display ---------------------------------------------------------- */ - -img.math { - vertical-align: middle; -} - -div.body div.math p { - text-align: center; -} - -span.eqno { - float: right; -} - -span.eqno a.headerlink { - position: relative; - left: 0px; - z-index: 1; -} - -div.math:hover a.headerlink { - visibility: visible; -} - -/* -- printout stylesheet --------------------------------------------------- */ - -@media print { - div.document, - div.documentwrapper, - div.bodywrapper { - margin: 0 !important; - width: 100%; - } - - div.sphinxsidebar, - div.related, - div.footer, - #top-link { - display: none; - } -} \ No newline at end of file diff --git a/doc/_build/html/_static/bg-page.png b/doc/_build/html/_static/bg-page.png deleted file mode 100644 index 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a/doc/_build/html/_static/classic.css b/doc/_build/html/_static/classic.css deleted file mode 100644 index 22fa0bde7624bb8007671c2292ffc0dee1ae0ba0..0000000000000000000000000000000000000000 --- a/doc/_build/html/_static/classic.css +++ /dev/null @@ -1,261 +0,0 @@ -/* - * classic.css_t - * ~~~~~~~~~~~~~ - * - * Sphinx stylesheet -- classic theme. - * - * :copyright: Copyright 2007-2017 by the Sphinx team, see AUTHORS. - * :license: BSD, see LICENSE for details. - * - */ - -@import url("basic.css"); - -/* -- page layout ----------------------------------------------------------- */ - -body { - font-family: sans-serif; - font-size: 100%; - background-color: #11303d; - color: #000; - margin: 0; - padding: 0; -} - -div.document { - background-color: #1c4e63; -} - -div.documentwrapper { - float: left; - width: 100%; -} - -div.bodywrapper { - margin: 0 0 0 230px; -} - -div.body { - background-color: #ffffff; - color: #000000; - padding: 0 20px 30px 20px; -} - -div.footer { - color: #ffffff; - width: 100%; - padding: 9px 0 9px 0; - text-align: center; - font-size: 75%; -} - -div.footer a { - color: #ffffff; - text-decoration: underline; -} - -div.related { - background-color: #133f52; - line-height: 30px; - color: #ffffff; -} - -div.related a { - color: #ffffff; -} - -div.sphinxsidebar { -} - -div.sphinxsidebar h3 { - font-family: 'Trebuchet MS', sans-serif; - color: #ffffff; - font-size: 1.4em; - font-weight: normal; - margin: 0; - padding: 0; -} - -div.sphinxsidebar h3 a { - color: #ffffff; -} - -div.sphinxsidebar h4 { - font-family: 'Trebuchet MS', sans-serif; - color: #ffffff; - font-size: 1.3em; - font-weight: normal; - margin: 5px 0 0 0; - padding: 0; -} - -div.sphinxsidebar p { - color: #ffffff; -} - -div.sphinxsidebar p.topless { - margin: 5px 10px 10px 10px; -} - -div.sphinxsidebar ul { - margin: 10px; - padding: 0; - color: #ffffff; -} - -div.sphinxsidebar a { - color: #98dbcc; -} - -div.sphinxsidebar input { - border: 1px solid #98dbcc; - font-family: sans-serif; - font-size: 1em; -} - - - -/* -- hyperlink styles ------------------------------------------------------ */ - -a { - color: #355f7c; - text-decoration: none; -} - -a:visited { - color: #355f7c; - text-decoration: none; -} - -a:hover { - text-decoration: underline; -} - - - -/* -- body styles ----------------------------------------------------------- */ - -div.body h1, -div.body h2, -div.body h3, -div.body h4, -div.body h5, -div.body h6 { - font-family: 'Trebuchet MS', sans-serif; - background-color: #f2f2f2; - font-weight: normal; - color: #20435c; - border-bottom: 1px solid #ccc; - margin: 20px -20px 10px -20px; - padding: 3px 0 3px 10px; -} - -div.body h1 { margin-top: 0; font-size: 200%; } -div.body h2 { font-size: 160%; } -div.body h3 { font-size: 140%; } -div.body h4 { font-size: 120%; } -div.body h5 { font-size: 110%; } -div.body h6 { font-size: 100%; } - -a.headerlink { - color: #c60f0f; - font-size: 0.8em; - padding: 0 4px 0 4px; - text-decoration: none; -} - -a.headerlink:hover { - background-color: #c60f0f; - color: white; -} - -div.body p, div.body dd, div.body li, div.body blockquote { - text-align: justify; - line-height: 130%; -} - -div.admonition p.admonition-title + p { - display: inline; -} - -div.admonition p { - margin-bottom: 5px; -} - -div.admonition pre { - margin-bottom: 5px; -} - -div.admonition ul, div.admonition ol { - margin-bottom: 5px; -} - -div.note { - background-color: #eee; - border: 1px solid #ccc; -} - -div.seealso { - background-color: #ffc; - border: 1px solid #ff6; -} - -div.topic { - background-color: #eee; -} - -div.warning { - background-color: #ffe4e4; - border: 1px solid #f66; -} - -p.admonition-title { - display: inline; -} - -p.admonition-title:after { - content: ":"; -} - -pre { - padding: 5px; - background-color: #eeffcc; - color: #333333; - line-height: 120%; - border: 1px solid #ac9; - border-left: none; - border-right: none; -} - -code { - background-color: #ecf0f3; - padding: 0 1px 0 1px; - 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:copyright: Copyright 2007-2017 by the Sphinx team, see AUTHORS. - * :license: BSD, see LICENSE for details. - * - */ - -/** - * select a different prefix for underscore - */ -$u = _.noConflict(); - -/** - * make the code below compatible with browsers without - * an installed firebug like debugger -if (!window.console || !console.firebug) { - var names = ["log", "debug", "info", "warn", "error", "assert", "dir", - "dirxml", "group", "groupEnd", "time", "timeEnd", "count", "trace", - "profile", "profileEnd"]; - window.console = {}; - for (var i = 0; i < names.length; ++i) - window.console[names[i]] = function() {}; -} - */ - -/** - * small helper function to urldecode strings - */ -jQuery.urldecode = function(x) { - return decodeURIComponent(x).replace(/\+/g, ' '); -}; - -/** - * small helper function to urlencode strings - */ -jQuery.urlencode = encodeURIComponent; - -/** - * This function returns the parsed url parameters of the - * current request. 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}); - } - } - var addItems = []; - var result = this.each(function() { - highlight(this, addItems); - }); - for (var i = 0; i < addItems.length; ++i) { - jQuery(addItems[i].parent).before(addItems[i].target); - } - return result; -}; - -/* - * backward compatibility for jQuery.browser - * This will be supported until firefox bug is fixed. - */ -if (!jQuery.browser) { - jQuery.uaMatch = function(ua) { - ua = ua.toLowerCase(); - - var match = /(chrome)[ \/]([\w.]+)/.exec(ua) || - /(webkit)[ \/]([\w.]+)/.exec(ua) || - /(opera)(?:.*version|)[ \/]([\w.]+)/.exec(ua) || - /(msie) ([\w.]+)/.exec(ua) || - ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec(ua) || - []; - - return { - browser: match[ 1 ] || "", - version: match[ 2 ] || "0" - }; - }; - jQuery.browser = {}; - jQuery.browser[jQuery.uaMatch(navigator.userAgent).browser] = true; -} - -/** - * Small JavaScript module for the documentation. - */ -var Documentation = { - - init : function() { - this.fixFirefoxAnchorBug(); - this.highlightSearchWords(); - this.initIndexTable(); - - }, - - /** - * i18n support - */ - TRANSLATIONS : {}, - PLURAL_EXPR : function(n) { return n === 1 ? 0 : 1; }, - LOCALE : 'unknown', - - // gettext and ngettext don't access this so that the functions - // can safely bound to a different name (_ = Documentation.gettext) - gettext : function(string) { - var translated = Documentation.TRANSLATIONS[string]; - if (typeof translated === 'undefined') - return string; - return (typeof translated === 'string') ? translated : translated[0]; - }, - - ngettext : function(singular, plural, n) { - var translated = Documentation.TRANSLATIONS[singular]; - if (typeof translated === 'undefined') - return (n == 1) ? singular : plural; - return translated[Documentation.PLURALEXPR(n)]; - }, - - addTranslations : function(catalog) { - for (var key in catalog.messages) - this.TRANSLATIONS[key] = catalog.messages[key]; - this.PLURAL_EXPR = new Function('n', 'return +(' + catalog.plural_expr + ')'); - this.LOCALE = catalog.locale; - }, - - /** - * add context elements like header anchor links - */ - addContextElements : function() { - $('div[id] > :header:first').each(function() { - $('\u00B6'). - attr('href', '#' + this.id). - attr('title', _('Permalink to this headline')). - appendTo(this); - }); - $('dt[id]').each(function() { - $('\u00B6'). - attr('href', '#' + this.id). - attr('title', _('Permalink to this definition')). - appendTo(this); - }); - }, - - /** - * workaround a firefox stupidity - * see: https://bugzilla.mozilla.org/show_bug.cgi?id=645075 - */ - fixFirefoxAnchorBug : function() { - if (document.location.hash) - window.setTimeout(function() { - document.location.href += ''; - }, 10); - }, - - /** - * highlight the search words provided in the url in the text - */ - highlightSearchWords : function() { - var params = $.getQueryParameters(); - var terms = (params.highlight) ? params.highlight[0].split(/\s+/) : []; - if (terms.length) { - var body = $('div.body'); - if (!body.length) { - body = $('body'); - } - window.setTimeout(function() { - $.each(terms, function() { - body.highlightText(this.toLowerCase(), 'highlighted'); - }); - }, 10); - $('') - .appendTo($('#searchbox')); - } - }, - - /** - * init the domain index toggle buttons - */ - initIndexTable : function() { - var togglers = $('img.toggler').click(function() { - var src = $(this).attr('src'); - var idnum = $(this).attr('id').substr(7); - $('tr.cg-' + idnum).toggle(); - if (src.substr(-9) === 'minus.png') - $(this).attr('src', src.substr(0, src.length-9) + 'plus.png'); - else - $(this).attr('src', src.substr(0, src.length-8) + 'minus.png'); - }).css('display', ''); - if (DOCUMENTATION_OPTIONS.COLLAPSE_INDEX) { - togglers.click(); - } - }, - - /** - * helper function to hide the search marks again - */ - hideSearchWords : function() { - $('#searchbox .highlight-link').fadeOut(300); - $('span.highlighted').removeClass('highlighted'); - }, - - /** - * make the url absolute - */ - makeURL : function(relativeURL) { - return DOCUMENTATION_OPTIONS.URL_ROOT + '/' + relativeURL; - }, - - /** - * get the current relative url - */ - getCurrentURL : function() { - var path = document.location.pathname; - var parts = path.split(/\//); - $.each(DOCUMENTATION_OPTIONS.URL_ROOT.split(/\//), function() { - if (this === '..') - parts.pop(); - }); - var url = parts.join('/'); - return path.substring(url.lastIndexOf('/') + 1, path.length - 1); - }, - - initOnKeyListeners: function() { - $(document).keyup(function(event) { - var activeElementType = document.activeElement.tagName; - // don't navigate when in search box or textarea - if (activeElementType !== 'TEXTAREA' && activeElementType !== 'INPUT' && activeElementType !== 'SELECT') { - switch (event.keyCode) { - case 37: // left - var prevHref = $('link[rel="prev"]').prop('href'); - if (prevHref) { - window.location.href = prevHref; - return false; - } - case 39: // right - var nextHref = $('link[rel="next"]').prop('href'); - if (nextHref) { - window.location.href = nextHref; - return false; - } - } - } - }); - } -}; - -// quick alias for translations -_ = Documentation.gettext; - -$(document).ready(function() { - Documentation.init(); -}); \ No newline at end of file diff --git a/doc/_build/html/_static/down-pressed.png b/doc/_build/html/_static/down-pressed.png deleted file mode 100644 index 5756c8cad8854722893dc70b9eb4bb0400343a39..0000000000000000000000000000000000000000 Binary files a/doc/_build/html/_static/down-pressed.png and /dev/null differ diff --git a/doc/_build/html/_static/down.png b/doc/_build/html/_static/down.png deleted file mode 100644 index 1b3bdad2ceffae91cee61b32f3295f9bbe646e48..0000000000000000000000000000000000000000 Binary files a/doc/_build/html/_static/down.png and /dev/null differ diff --git a/doc/_build/html/_static/file.png b/doc/_build/html/_static/file.png deleted file mode 100644 index a858a410e4faa62ce324d814e4b816fff83a6fb3..0000000000000000000000000000000000000000 Binary files a/doc/_build/html/_static/file.png and /dev/null differ diff --git a/doc/_build/html/_static/fonts/Inconsolata-Bold.ttf b/doc/_build/html/_static/fonts/Inconsolata-Bold.ttf deleted file mode 100644 index 58c9fef3a01c899867e280f49283fbb8e57d631d..0000000000000000000000000000000000000000 Binary files a/doc/_build/html/_static/fonts/Inconsolata-Bold.ttf and /dev/null differ diff --git a/doc/_build/html/_static/fonts/Inconsolata-Regular.ttf b/doc/_build/html/_static/fonts/Inconsolata-Regular.ttf deleted file mode 100644 index a87ffba6bef48195c8cf4e3ccb42ea77034f7cbc..0000000000000000000000000000000000000000 Binary files a/doc/_build/html/_static/fonts/Inconsolata-Regular.ttf and /dev/null differ diff --git a/doc/_build/html/_static/fonts/Lato-Bold.ttf b/doc/_build/html/_static/fonts/Lato-Bold.ttf deleted file mode 100644 index 70c4dd92b068550ac526c46e8368d9b68de37bd2..0000000000000000000000000000000000000000 Binary files a/doc/_build/html/_static/fonts/Lato-Bold.ttf and /dev/null differ diff --git a/doc/_build/html/_static/fonts/Lato-Regular.ttf b/doc/_build/html/_static/fonts/Lato-Regular.ttf deleted file mode 100644 index b536f95581f00f2c30e4c528292b0865aadb25ee..0000000000000000000000000000000000000000 Binary files a/doc/_build/html/_static/fonts/Lato-Regular.ttf and /dev/null differ diff --git a/doc/_build/html/_static/fonts/RobotoSlab-Bold.ttf b/doc/_build/html/_static/fonts/RobotoSlab-Bold.ttf deleted file mode 100644 index df5d1df2730433013f41bf2698cbe249b075aa02..0000000000000000000000000000000000000000 Binary files a/doc/_build/html/_static/fonts/RobotoSlab-Bold.ttf and /dev/null differ diff --git a/doc/_build/html/_static/fonts/RobotoSlab-Regular.ttf b/doc/_build/html/_static/fonts/RobotoSlab-Regular.ttf deleted file mode 100644 index eb52a7907362cc3392eb74892883f5d9e260b638..0000000000000000000000000000000000000000 Binary files a/doc/_build/html/_static/fonts/RobotoSlab-Regular.ttf and /dev/null differ diff --git a/doc/_build/html/_static/fonts/fontawesome-webfont.eot b/doc/_build/html/_static/fonts/fontawesome-webfont.eot deleted file mode 100644 index 9b6afaedc0fd7aaf927a07f82da9c11022251b8b..0000000000000000000000000000000000000000 Binary files a/doc/_build/html/_static/fonts/fontawesome-webfont.eot and /dev/null differ diff --git a/doc/_build/html/_static/fonts/fontawesome-webfont.svg b/doc/_build/html/_static/fonts/fontawesome-webfont.svg deleted file mode 100644 index fd7bedf634fb61c67079e101912100b910edd554..0000000000000000000000000000000000000000 --- a/doc/_build/html/_static/fonts/fontawesome-webfont.svg +++ /dev/null @@ -1,655 +0,0 @@ - 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* haiku.css_t - * ~~~~~~~~~~~ - * - * Sphinx stylesheet -- haiku theme. - * - * Adapted from http://haiku-os.org/docs/Haiku-doc.css. - * Original copyright message: - * - * Copyright 2008-2009, Haiku. All rights reserved. - * Distributed under the terms of the MIT License. - * - * Authors: - * Francois Revol - * Stephan Assmus - * Braden Ewing - * Humdinger - * - * :copyright: Copyright 2007-2017 by the Sphinx team, see AUTHORS. - * :license: BSD, see LICENSE for details. - * - */ - -@import url("basic.css"); - -html { - margin: 0px; - padding: 0px; - background: #FFF url(bg-page.png) top left repeat-x; -} - -body { - line-height: 1.5; - margin: auto; - padding: 0px; - font-family: "DejaVu Sans", Arial, Helvetica, sans-serif; - min-width: 59em; - max-width: 70em; - color: #333333; -} - -div.footer { - padding: 8px; - font-size: 11px; - text-align: center; - letter-spacing: 0.5px; -} - -/* link colors and text decoration */ - -a:link { - font-weight: bold; - text-decoration: none; - color: #dc3c01; -} - -a:visited { - font-weight: bold; - text-decoration: none; - color: #892601; -} - -a:hover, a:active { - text-decoration: underline; - color: #ff4500; -} - -/* Some headers act as anchors, don't give them a hover effect */ - -h1 a:hover, a:active { - text-decoration: none; - color: #0c3762; -} - -h2 a:hover, a:active { - text-decoration: none; - color: #0c3762; -} - -h3 a:hover, a:active { - text-decoration: none; - color: #0c3762; -} - -h4 a:hover, a:active { - text-decoration: none; - color: #0c3762; -} - -a.headerlink { - color: #a7ce38; - padding-left: 5px; -} - -a.headerlink:hover { - color: #a7ce38; -} - -/* basic text elements */ - -div.content { - margin-top: 20px; - margin-left: 40px; - margin-right: 40px; - margin-bottom: 50px; - font-size: 0.9em; -} - -/* heading and navigation */ - -div.header { - position: relative; - left: 0px; - top: 0px; - height: 85px; - /* background: #eeeeee; */ - padding: 0 40px; -} -div.header h1 { - font-size: 1.6em; - font-weight: normal; - letter-spacing: 1px; - color: #0c3762; - border: 0; - margin: 0; - padding-top: 15px; -} -div.header h1 a { - font-weight: normal; - color: #0c3762; -} -div.header h2 { - font-size: 1.3em; - font-weight: normal; - letter-spacing: 1px; - text-transform: uppercase; - color: #aaa; - border: 0; - margin-top: -3px; - padding: 0; -} - -div.header img.rightlogo { - float: right; -} - - -div.title { - font-size: 1.3em; - font-weight: bold; - color: #0c3762; - border-bottom: dotted thin #e0e0e0; - margin-bottom: 25px; -} -div.topnav { - /* background: #e0e0e0; */ -} -div.topnav p { - margin-top: 0; - margin-left: 40px; - margin-right: 40px; - margin-bottom: 0px; - text-align: right; - font-size: 0.8em; -} -div.bottomnav { - background: #eeeeee; -} -div.bottomnav p { - margin-right: 40px; - text-align: right; - font-size: 0.8em; -} - -a.uplink { - font-weight: normal; -} - - -/* contents box */ - -table.index { - margin: 0px 0px 30px 30px; - padding: 1px; - border-width: 1px; - border-style: dotted; - border-color: #e0e0e0; -} -table.index tr.heading { - background-color: #e0e0e0; - text-align: center; - font-weight: bold; - font-size: 1.1em; -} -table.index tr.index { - background-color: #eeeeee; -} -table.index td { - padding: 5px 20px; -} - -table.index a:link, table.index a:visited { - font-weight: normal; - text-decoration: none; - color: #dc3c01; -} -table.index a:hover, table.index a:active { - text-decoration: underline; - color: #ff4500; -} - - -/* Haiku User Guide styles and layout */ - -/* Rounded corner boxes */ -/* Common declarations */ -div.admonition { - -webkit-border-radius: 10px; - -khtml-border-radius: 10px; - -moz-border-radius: 10px; - border-radius: 10px; - border-style: dotted; - border-width: thin; - border-color: #dcdcdc; - padding: 10px 15px 10px 15px; - margin-bottom: 15px; - margin-top: 15px; -} -div.note { - padding: 10px 15px 10px 80px; - background: #e4ffde url(alert_info_32.png) 15px 15px no-repeat; - min-height: 42px; -} -div.warning { - padding: 10px 15px 10px 80px; - background: #fffbc6 url(alert_warning_32.png) 15px 15px no-repeat; - min-height: 42px; -} -div.seealso { - background: #e4ffde; -} - -/* More layout and styles */ -h1 { - font-size: 1.3em; - font-weight: bold; - color: #0c3762; - border-bottom: dotted thin #e0e0e0; - margin-top: 30px; -} - -h2 { - font-size: 1.2em; - font-weight: normal; - color: #0c3762; - border-bottom: dotted thin #e0e0e0; - margin-top: 30px; -} - -h3 { - font-size: 1.1em; - font-weight: normal; - color: #0c3762; - margin-top: 30px; -} - -h4 { - font-size: 1.0em; - font-weight: normal; - color: #0c3762; - margin-top: 30px; -} - -p { - text-align: justify; -} - -p.last { - margin-bottom: 0; -} - -ol { - padding-left: 20px; -} - -ul { - padding-left: 5px; - margin-top: 3px; -} - -li { - line-height: 1.3; -} - -div.content ul > li { - -moz-background-clip:border; - -moz-background-inline-policy:continuous; - -moz-background-origin:padding; - background: transparent url(bullet_orange.png) no-repeat scroll left 0.45em; - list-style-image: none; - list-style-type: none; - padding: 0 0 0 1.666em; - margin-bottom: 3px; -} - -td { - vertical-align: top; -} - -code { - background-color: #e2e2e2; - font-size: 1.0em; - font-family: monospace; -} - -pre { - border-color: #0c3762; - border-style: dotted; - border-width: thin; - margin: 0 0 12px 0; - padding: 0.8em; - background-color: #f0f0f0; -} - -hr { - border-top: 1px solid #ccc; - border-bottom: 0; - border-right: 0; - border-left: 0; - margin-bottom: 10px; - margin-top: 20px; -} - -/* printer only pretty stuff */ -@media print { - .noprint { - display: none; - } - /* for acronyms we want their definitions inlined at print time */ - acronym[title]:after { - font-size: small; - content: " (" attr(title) ")"; - font-style: italic; - } - /* and not have mozilla dotted underline */ - acronym { - border: none; - } - div.topnav, div.bottomnav, div.header, table.index { - display: none; - } - div.content { - margin: 0px; - padding: 0px; - } - html { - background: #FFF; - } -} - -.viewcode-back { - font-family: "DejaVu Sans", Arial, Helvetica, sans-serif; -} - -div.viewcode-block:target { - background-color: #f4debf; - border-top: 1px solid #ac9; - border-bottom: 1px solid #ac9; - margin: -1px -10px; - padding: 0 12px; -} - -/* math display */ -div.math p { - text-align: center; -} \ No newline at end of file diff --git a/doc/_build/html/_static/jquery-3.1.0.js b/doc/_build/html/_static/jquery-3.1.0.js deleted file mode 100644 index f2fc2747874e38d72f12812ed38418bc21935608..0000000000000000000000000000000000000000 --- a/doc/_build/html/_static/jquery-3.1.0.js +++ /dev/null @@ -1,10074 +0,0 @@ -/*eslint-disable no-unused-vars*/ -/*! - * jQuery JavaScript Library v3.1.0 - * https://jquery.com/ - * - * Includes Sizzle.js - * https://sizzlejs.com/ - * - * Copyright jQuery Foundation and other contributors - * Released under the MIT license - * https://jquery.org/license - * - * Date: 2016-07-07T21:44Z - */ -( function( global, factory ) { - - "use strict"; - - if ( typeof module === "object" && typeof module.exports === "object" ) { - - // For CommonJS and CommonJS-like environments where a proper `window` - // is present, execute the factory and get jQuery. - // For environments that do not have a `window` with a `document` - // (such as Node.js), expose a factory as module.exports. - // This accentuates the need for the creation of a real `window`. - // e.g. var jQuery = require("jquery")(window); - // See ticket #14549 for more info. - module.exports = global.document ? - factory( global, true ) : - function( w ) { - if ( !w.document ) { - throw new Error( "jQuery requires a window with a document" ); - } - return factory( w ); - }; - } else { - factory( global ); - } - -// Pass this if window is not defined yet -} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) { - -// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1 -// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode -// arguments.callee.caller (trac-13335). 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- }, - - isArray: Array.isArray, - - isWindow: function( obj ) { - return obj != null && obj === obj.window; - }, - - isNumeric: function( obj ) { - - // As of jQuery 3.0, isNumeric is limited to - // strings and numbers (primitives or objects) - // that can be coerced to finite numbers (gh-2662) - var type = jQuery.type( obj ); - return ( type === "number" || type === "string" ) && - - // parseFloat NaNs numeric-cast false positives ("") - // ...but misinterprets leading-number strings, particularly hex literals ("0x...") - // subtraction forces infinities to NaN - !isNaN( obj - parseFloat( obj ) ); - }, - - isPlainObject: function( obj ) { - var proto, Ctor; - - // Detect obvious negatives - // Use toString instead of jQuery.type to catch host objects - if ( !obj || toString.call( obj ) !== "[object Object]" ) { - return false; - } - - proto = getProto( obj ); - - // Objects with no prototype (e.g., `Object.create( null )`) are plain - if ( !proto ) { - return true; - } - - // Objects with prototype are plain iff they were constructed by a global Object function - Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor; - return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString; - }, - - isEmptyObject: function( obj ) { - - /* eslint-disable no-unused-vars */ - // See https://github.com/eslint/eslint/issues/6125 - var name; - - for ( name in obj ) { - return false; - } - return true; - }, - - type: function( obj ) { - if ( obj == null ) { - return obj + ""; - } - - // Support: Android <=2.3 only (functionish RegExp) - return typeof obj === "object" || typeof obj === "function" ? - class2type[ toString.call( obj ) ] || "object" : - typeof obj; - }, - - // Evaluates a script in a global context - globalEval: function( code ) { - DOMEval( code ); - }, - - // Convert dashed to camelCase; used by the css and data modules - // Support: IE <=9 - 11, Edge 12 - 13 - // Microsoft forgot to hump their vendor prefix (#9572) - camelCase: function( string ) { - return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); - }, - - nodeName: function( elem, name ) { - return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); - }, - - each: function( obj, callback ) { - var length, i = 0; - - if ( isArrayLike( obj ) ) { - length = obj.length; - for ( ; i < length; i++ ) { - if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { - break; - } - } - } else { - for ( i in obj ) { - if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { - break; - } - } - } - - return obj; - }, - - // Support: Android <=4.0 only - trim: function( text ) { - return text == null ? - "" : - ( text + "" ).replace( rtrim, "" ); - }, - - // results is for internal usage only - makeArray: function( arr, results ) { - var ret = results || []; - - if ( arr != null ) { - if ( isArrayLike( Object( arr ) ) ) { - jQuery.merge( ret, - typeof arr === "string" ? - [ arr ] : arr - ); - } else { - push.call( ret, arr ); - } - } - - return ret; - }, - - inArray: function( elem, arr, i ) { - return arr == null ? -1 : indexOf.call( arr, elem, i ); - }, - - // Support: Android <=4.0 only, PhantomJS 1 only - // push.apply(_, arraylike) throws on ancient WebKit - merge: function( first, second ) { - var len = +second.length, - j = 0, - i = first.length; - - for ( ; j < len; j++ ) { - first[ i++ ] = second[ j ]; - } - - first.length = i; - - return first; - }, - - grep: function( elems, callback, invert ) { - var callbackInverse, - matches = [], - i = 0, - length = elems.length, - callbackExpect = !invert; - - // Go through the array, only saving the items - // that pass the validator function - for ( ; i < length; i++ ) { - callbackInverse = !callback( elems[ i ], i ); - if ( callbackInverse !== callbackExpect ) { - matches.push( elems[ i ] ); - } - } - - return matches; - }, - - // arg is for internal usage only - map: function( elems, callback, arg ) { - var length, value, - i = 0, - ret = []; - - // Go through the array, translating each of the items to their new values - if ( isArrayLike( elems ) ) { - length = elems.length; - for ( ; i < length; i++ ) { - value = callback( elems[ i ], i, arg ); - - if ( value != null ) { - ret.push( value ); - } - } - - // Go through every key on the object, - } else { - for ( i in elems ) { - value = callback( elems[ i ], i, arg ); - - if ( value != null ) { - ret.push( value ); - } - } - } - - // Flatten any nested arrays - return concat.apply( [], ret ); - }, - - // A global GUID counter for objects - guid: 1, - - // Bind a function to a context, optionally partially applying any - // arguments. - proxy: function( fn, context ) { - var tmp, args, proxy; - - if ( typeof context === "string" ) { - tmp = fn[ context ]; - context = fn; - fn = tmp; - } - - // Quick check to determine if target is callable, in the spec - // this throws a TypeError, but we will just return undefined. - if ( !jQuery.isFunction( fn ) ) { - return undefined; - } - - // Simulated bind - args = slice.call( arguments, 2 ); - proxy = function() { - return fn.apply( context || this, args.concat( slice.call( arguments ) ) ); - }; - - // Set the guid of unique handler to the same of original handler, so it can be removed - proxy.guid = fn.guid = fn.guid || jQuery.guid++; - - return proxy; - }, - - now: Date.now, - - // jQuery.support is not used in Core but other projects attach their - // properties to it so it needs to exist. - support: support -} ); - -if ( typeof Symbol === "function" ) { - jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ]; -} - -// Populate the class2type map -jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ), -function( i, name ) { - class2type[ "[object " + name + "]" ] = name.toLowerCase(); -} ); - -function isArrayLike( obj ) { - - // Support: real iOS 8.2 only (not reproducible in simulator) - // `in` check used to prevent JIT error (gh-2145) - // hasOwn isn't used here due to false negatives - // regarding Nodelist length in IE - var length = !!obj && "length" in obj && obj.length, - type = jQuery.type( obj ); - - if ( type === "function" || jQuery.isWindow( obj ) ) { - return false; - } - - return type === "array" || length === 0 || - typeof length === "number" && length > 0 && ( length - 1 ) in obj; -} -var Sizzle = -/*! - * Sizzle CSS Selector Engine v2.3.0 - * https://sizzlejs.com/ - * - * Copyright jQuery Foundation and other contributors - * Released under the MIT license - * http://jquery.org/license - * - * Date: 2016-01-04 - */ -(function( window ) { - -var i, - support, - Expr, - getText, - isXML, - tokenize, - compile, - select, - outermostContext, - sortInput, - hasDuplicate, - - // Local document vars - setDocument, - document, - docElem, - documentIsHTML, - rbuggyQSA, - rbuggyMatches, - matches, - contains, - - // Instance-specific data - expando = "sizzle" + 1 * new Date(), - preferredDoc = window.document, - dirruns = 0, - done = 0, - classCache = createCache(), - tokenCache = createCache(), - compilerCache = createCache(), - sortOrder = function( a, b ) { - if ( a === b ) { - hasDuplicate = true; - } - return 0; - }, - - // Instance methods - hasOwn = ({}).hasOwnProperty, - arr = [], - pop = arr.pop, - push_native = arr.push, - push = arr.push, - slice = arr.slice, - // Use a stripped-down indexOf as it's faster than native - // https://jsperf.com/thor-indexof-vs-for/5 - indexOf = function( list, elem ) { - var i = 0, - len = list.length; - for ( ; i < len; i++ ) { - if ( list[i] === elem ) { - return i; - } - } - return -1; - }, - - booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped", - - // Regular expressions - - // http://www.w3.org/TR/css3-selectors/#whitespace - whitespace = "[\\x20\\t\\r\\n\\f]", - - // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier - identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+", - - // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors - attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace + - // Operator (capture 2) - "*([*^$|!~]?=)" + whitespace + - // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]" - "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + - "*\\]", - - pseudos = ":(" + identifier + ")(?:\\((" + - // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: - // 1. quoted (capture 3; capture 4 or capture 5) - "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + - // 2. simple (capture 6) - "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + - // 3. anything else (capture 2) - ".*" + - ")\\)|)", - - // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter - rwhitespace = new RegExp( whitespace + "+", "g" ), - rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ), - - rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), - rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ), - - rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ), - - rpseudo = new RegExp( pseudos ), - ridentifier = new RegExp( "^" + identifier + "$" ), - - matchExpr = { - "ID": new RegExp( "^#(" + identifier + ")" ), - "CLASS": new RegExp( "^\\.(" + identifier + ")" ), - "TAG": new RegExp( "^(" + identifier + "|[*])" ), - "ATTR": new RegExp( "^" + attributes ), - "PSEUDO": new RegExp( "^" + pseudos ), - "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + - "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + - "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), - "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), - // For use in libraries implementing .is() - // We use this for POS matching in `select` - "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + - whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) - }, - - rinputs = /^(?:input|select|textarea|button)$/i, - rheader = /^h\d$/i, - - rnative = /^[^{]+\{\s*\[native \w/, - - // Easily-parseable/retrievable ID or TAG or CLASS selectors - rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, - - rsibling = /[+~]/, - - // CSS escapes - // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters - runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), - funescape = function( _, escaped, escapedWhitespace ) { - var high = "0x" + escaped - 0x10000; - // NaN means non-codepoint - // Support: Firefox<24 - // Workaround erroneous numeric interpretation of +"0x" - return high !== high || escapedWhitespace ? - escaped : - high < 0 ? - // BMP codepoint - String.fromCharCode( high + 0x10000 ) : - // Supplemental Plane codepoint (surrogate pair) - String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); - }, - - // CSS string/identifier serialization - // https://drafts.csswg.org/cssom/#common-serializing-idioms - rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\x80-\uFFFF\w-]/g, - fcssescape = function( ch, asCodePoint ) { - if ( asCodePoint ) { - - // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER - if ( ch === "\0" ) { - return "\uFFFD"; - } - - // Control characters and (dependent upon position) numbers get escaped as code points - return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " "; - } - - // Other potentially-special ASCII characters get backslash-escaped - return "\\" + ch; - }, - - // Used for iframes - // See setDocument() - // Removing the function wrapper causes a "Permission Denied" - // error in IE - unloadHandler = function() { - setDocument(); - }, - - disabledAncestor = addCombinator( - function( elem ) { - return elem.disabled === true; - }, - { dir: "parentNode", next: "legend" } - ); - -// Optimize for push.apply( _, NodeList ) -try { - push.apply( - (arr = slice.call( preferredDoc.childNodes )), - preferredDoc.childNodes - ); - // Support: Android<4.0 - // Detect silently failing push.apply - arr[ preferredDoc.childNodes.length ].nodeType; -} catch ( e ) { - push = { apply: arr.length ? - - // Leverage slice if possible - function( target, els ) { - push_native.apply( target, slice.call(els) ); - } : - - // Support: IE<9 - // Otherwise append directly - function( target, els ) { - var j = target.length, - i = 0; - // Can't trust NodeList.length - while ( (target[j++] = els[i++]) ) {} - target.length = j - 1; - } - }; -} - -function Sizzle( selector, context, results, seed ) { - var m, i, elem, nid, match, groups, newSelector, - newContext = context && context.ownerDocument, - - // nodeType defaults to 9, since context defaults to document - nodeType = context ? context.nodeType : 9; - - results = results || []; - - // Return early from calls with invalid selector or context - if ( typeof selector !== "string" || !selector || - nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) { - - return results; - } - - // Try to shortcut find operations (as opposed to filters) in HTML documents - if ( !seed ) { - - if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) { - setDocument( context ); - } - context = context || document; - - if ( documentIsHTML ) { - - // If the selector is sufficiently simple, try using a "get*By*" DOM method - // (excepting DocumentFragment context, where the methods don't exist) - if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) { - - // ID selector - if ( (m = match[1]) ) { - - // Document context - if ( nodeType === 9 ) { - if ( (elem = context.getElementById( m )) ) { - - // Support: IE, Opera, Webkit - // TODO: identify versions - // getElementById can match elements by name instead of ID - if ( elem.id === m ) { - results.push( elem ); - return results; - } - } else { - return results; - } - - // Element context - } else { - - // Support: IE, Opera, Webkit - // TODO: identify versions - // getElementById can match elements by name instead of ID - if ( newContext && (elem = newContext.getElementById( m )) && - contains( context, elem ) && - elem.id === m ) { - - results.push( elem ); - return results; - } - } - - // Type selector - } else if ( match[2] ) { - push.apply( results, context.getElementsByTagName( selector ) ); - return results; - - // Class selector - } else if ( (m = match[3]) && support.getElementsByClassName && - context.getElementsByClassName ) { - - push.apply( results, context.getElementsByClassName( m ) ); - return results; - } - } - - // Take advantage of querySelectorAll - if ( support.qsa && - !compilerCache[ selector + " " ] && - (!rbuggyQSA || !rbuggyQSA.test( selector )) ) { - - if ( nodeType !== 1 ) { - newContext = context; - newSelector = selector; - - // qSA looks outside Element context, which is not what we want - // Thanks to Andrew Dupont for this workaround technique - // Support: IE <=8 - // Exclude object elements - } else if ( context.nodeName.toLowerCase() !== "object" ) { - - // Capture the context ID, setting it first if necessary - if ( (nid = context.getAttribute( "id" )) ) { - nid = nid.replace( rcssescape, fcssescape ); - } else { - context.setAttribute( "id", (nid = expando) ); - } - - // Prefix every selector in the list - groups = tokenize( selector ); - i = groups.length; - while ( i-- ) { - groups[i] = "#" + nid + " " + toSelector( groups[i] ); - } - newSelector = groups.join( "," ); - - // Expand context for sibling selectors - newContext = rsibling.test( selector ) && testContext( context.parentNode ) || - context; - } - - if ( newSelector ) { - try { - push.apply( results, - newContext.querySelectorAll( newSelector ) - ); - return results; - } catch ( qsaError ) { - } finally { - if ( nid === expando ) { - context.removeAttribute( "id" ); - } - } - } - } - } - } - - // All others - return select( selector.replace( rtrim, "$1" ), context, results, seed ); -} - -/** - * Create key-value caches of limited size - * @returns {function(string, object)} Returns the Object data after storing it on itself with - * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) - * deleting the oldest entry - */ -function createCache() { - var keys = []; - - function cache( key, value ) { - // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) - if ( keys.push( key + " " ) > Expr.cacheLength ) { - // Only keep the most recent entries - delete cache[ keys.shift() ]; - } - return (cache[ key + " " ] = value); - } - return cache; -} - -/** - * Mark a function for special use by Sizzle - * @param {Function} fn The function to mark - */ -function markFunction( fn ) { - fn[ expando ] = true; - return fn; -} - -/** - * Support testing using an element - * @param {Function} fn Passed the created element and returns a boolean result - */ -function assert( fn ) { - var el = document.createElement("fieldset"); - - try { - return !!fn( el ); - } catch (e) { - return false; - } finally { - // Remove from its parent by default - if ( el.parentNode ) { - el.parentNode.removeChild( el ); - } - // release memory in IE - el = null; - } -} - -/** - * Adds the same handler for all of the specified attrs - * @param {String} attrs Pipe-separated list of attributes - * @param {Function} handler The method that will be applied - */ -function addHandle( attrs, handler ) { - var arr = attrs.split("|"), - i = arr.length; - - while ( i-- ) { - Expr.attrHandle[ arr[i] ] = handler; - } -} - -/** - * Checks document order of two siblings - * @param {Element} a - * @param {Element} b - * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b - */ -function siblingCheck( a, b ) { - var cur = b && a, - diff = cur && a.nodeType === 1 && b.nodeType === 1 && - a.sourceIndex - b.sourceIndex; - - // Use IE sourceIndex if available on both nodes - if ( diff ) { - return diff; - } - - // Check if b follows a - if ( cur ) { - while ( (cur = cur.nextSibling) ) { - if ( cur === b ) { - return -1; - } - } - } - - return a ? 1 : -1; -} - -/** - * Returns a function to use in pseudos for input types - * @param {String} type - */ -function createInputPseudo( type ) { - return function( elem ) { - var name = elem.nodeName.toLowerCase(); - return name === "input" && elem.type === type; - }; -} - -/** - * Returns a function to use in pseudos for buttons - * @param {String} type - */ -function createButtonPseudo( type ) { - return function( elem ) { - var name = elem.nodeName.toLowerCase(); - return (name === "input" || name === "button") && elem.type === type; - }; -} - -/** - * Returns a function to use in pseudos for :enabled/:disabled - * @param {Boolean} disabled true for :disabled; false for :enabled - */ -function createDisabledPseudo( disabled ) { - // Known :disabled false positives: - // IE: *[disabled]:not(button, input, select, textarea, optgroup, option, menuitem, fieldset) - // not IE: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable - return function( elem ) { - - // Check form elements and option elements for explicit disabling - return "label" in elem && elem.disabled === disabled || - "form" in elem && elem.disabled === disabled || - - // Check non-disabled form elements for fieldset[disabled] ancestors - "form" in elem && elem.disabled === false && ( - // Support: IE6-11+ - // Ancestry is covered for us - elem.isDisabled === disabled || - - // Otherwise, assume any non-