110 lines
3.3 KiB
C
110 lines
3.3 KiB
C
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//=============================================================================
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//
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2015 Sandia Corporation.
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// Copyright 2015 UT-Battelle, LLC.
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// Copyright 2015 Los Alamos National Security.
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//
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//=============================================================================
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$# This file uses the pyexpander macro processing utility to build the
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$# FunctionInterface facilities that use a variable number of arguments.
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$# Information, documentation, and downloads for pyexpander can be found at:
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$#
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$# http://pyexpander.sourceforge.net/
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$#
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$# To build the source code, execute the following (after installing
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$# pyexpander, of course):
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$#
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$# expander.py Math.h.in > Math.h
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$#
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$# Ignore the following comment. It is meant for the generated file.
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// **** DO NOT EDIT THIS FILE!!! ****
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// This file is automatically generated by FunctionInterfaceDetailPre.h.in
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#ifndef vtk_m_Math_h
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#define vtk_m_Math_h
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#include <vtkm/Types.h>
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#ifndef VTKM_CUDA
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#include <math.h>
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#endif
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#define VTKM_SYS_MATH_FUNCTION_32(func) func ## f
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#define VTKM_SYS_MATH_FUNCTION_64(func) func
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$py(
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def unary_function(name, type, expression):
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return '''VTKM_EXEC_CONT_EXPORT
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{1} {0}({1} x) {{
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return {2};
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}}
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'''.format(name, type, expression)
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def unary_Vec_function(vtkmname):
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return '''template<typename T, vtkm::IdComponent N>
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vtkm::Vec<T,N> {0}(const vtkm::Vec<T,N> x) {{
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vtkm::Vec<T,N> result;
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for (vtkm::IdComponent index = 0; index < N; index++)
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{{
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result[index] = vtkm::{0}(x[index]);
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}}
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return result;
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}}
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template<typename T>
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VTKM_EXEC_CONT_EXPORT
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vtkm::Vec<T,4> {0}(const vtkm::Vec<T,4> x) {{
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return vtkm::Vec<T,4>(vtkm::{0}(x[0]),
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vtkm::{0}(x[1]),
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vtkm::{0}(x[2]),
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vtkm::{0}(x[3]));
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}}
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template<typename T>
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VTKM_EXEC_CONT_EXPORT
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vtkm::Vec<T,3> {0}(const vtkm::Vec<T,3> x) {{
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return vtkm::Vec<T,3>(vtkm::{0}(x[0]),
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vtkm::{0}(x[1]),
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vtkm::{0}(x[2]));
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}}
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template<typename T>
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VTKM_EXEC_CONT_EXPORT
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vtkm::Vec<T,2> {0}(const vtkm::Vec<T,2> x) {{
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return vtkm::Vec<T,2>(vtkm::{0}(x[0]),
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vtkm::{0}(x[1]));
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}}
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'''.format(vtkmname)
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def unary_math_function(vtkmname, sysname):
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return unary_function(vtkmname,
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'vtkm::Float32',
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'VTKM_SYS_MATH_FUNCTION_32(' + sysname + ')(x)') + \
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unary_function(vtkmname,
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'vtkm::Float64',
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'VTKM_SYS_MATH_FUNCTION_64(' + sysname + ')(x)') + \
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unary_Vec_function(vtkmname)
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)
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$extend(unary_math_function)
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namespace vtkm {
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/// Compute the square root of \p x.
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///
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$unary_math_function('Sqrt', 'sqrt')
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} // namespace vtkm
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#endif //vtk_m_Math_h
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