mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-10-05 09:59:12 +00:00
500 lines
17 KiB
C++
500 lines
17 KiB
C++
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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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// 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 2014 Sandia Corporation.
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014. 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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//
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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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#include <vtkm/internal/FunctionInterface.h>
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#include <vtkm/testing/Testing.h>
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#include <sstream>
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#include <string>
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#ifndef _WIN32
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#include <limits.h>
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#include <sys/time.h>
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#include <unistd.h>
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#endif
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namespace {
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// TODO: Once device adapters are implemented and contain timers, this class
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// should be removed and replaced with that. Also remove the inclusion of
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// limits.h, sys/time.h, and unistd.h.
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class Timer
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{
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public:
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VTKM_CONT_EXPORT Timer()
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{
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this->Reset();
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}
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VTKM_CONT_EXPORT void Reset()
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{
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this->StartTime = this->GetCurrentTime();
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}
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VTKM_CONT_EXPORT vtkm::Scalar GetElapsedTime()
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{
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TimeStamp currentTime = this->GetCurrentTime();
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vtkm::Scalar elapsedTime;
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elapsedTime = currentTime.Seconds - this->StartTime.Seconds;
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elapsedTime += ((currentTime.Microseconds - this->StartTime.Microseconds)
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/vtkm::Scalar(1000000));
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return elapsedTime;
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}
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private:
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struct TimeStamp {
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vtkm::internal::Int64Type Seconds;
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vtkm::internal::Int64Type Microseconds;
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};
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TimeStamp StartTime;
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VTKM_CONT_EXPORT
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TimeStamp GetCurrentTime()
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{
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TimeStamp retval;
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#ifdef _WIN32
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timeb currentTime;
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::ftime(¤tTime);
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retval.Seconds = currentTime.time;
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retval.Microseconds = 1000*currentTime.millitm;
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#else
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timeval currentTime;
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gettimeofday(¤tTime, NULL);
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retval.Seconds = currentTime.tv_sec;
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retval.Microseconds = currentTime.tv_usec;
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#endif
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return retval;
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}
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};
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typedef vtkm::Id Type1;
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const Type1 Arg1 = 1234;
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typedef vtkm::Scalar Type2;
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const Type2 Arg2 = 5678.125;
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typedef std::string Type3;
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const Type3 Arg3("Third argument");
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typedef vtkm::Vector3 Type4;
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const Type4 Arg4(1.2, 3.4, 5.6);
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typedef vtkm::Id3 Type5;
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const Type5 Arg5(4, 5, 6);
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struct ThreeArgFunctor {
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void operator()(const Type1 &a1, const Type2 &a2, const Type3 &a3) const
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{
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std::cout << "In 3 arg functor." << std::endl;
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VTKM_TEST_ASSERT(a1 == Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(a2 == Arg2, "Arg 2 incorrect.");
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VTKM_TEST_ASSERT(a3 == Arg3, "Arg 3 incorrect.");
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}
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};
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struct ThreeArgModifyFunctor {
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void operator()(Type1 &a1, Type2 &a2, Type3 &a3) const
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{
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std::cout << "In 3 arg modify functor." << std::endl;
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a1 = Arg1;
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a2 = Arg2;
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a3 = Arg3;
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}
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};
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struct GetReferenceFunctor
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{
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template<typename T>
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struct ReturnType {
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typedef const typename boost::remove_reference<T>::type *type;
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};
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template<typename T>
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const T *operator()(const T &x) const { return &x; }
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};
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struct ThreePointerArgFunctor {
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void operator()(const Type1 *a1, const Type2 *a2, const Type3 *a3) const
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{
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std::cout << "In 3 arg functor." << std::endl;
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VTKM_TEST_ASSERT(*a1 == Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(*a2 == Arg2, "Arg 2 incorrect.");
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VTKM_TEST_ASSERT(*a3 == Arg3, "Arg 3 incorrect.");
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}
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};
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struct ThreeArgFunctorWithReturn {
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std::string operator()(const Type1 &a1,
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const Type2 &a2,
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const Type3 &a3) const
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{
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std::cout << "In 3 arg functor with return." << std::endl;
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std::stringstream buffer;
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buffer.precision(10);
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buffer << a1 << " " << a2 << " " << a3;
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return buffer.str();
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}
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};
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struct FiveArgFunctor {
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void operator()(const Type1 &a1,
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const Type2 &a2,
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const Type3 &a3,
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const Type4 &a4,
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const Type5 &a5) const
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{
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std::cout << "In 5 arg functor." << std::endl;
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VTKM_TEST_ASSERT(a1 == Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(a2 == Arg2, "Arg 2 incorrect.");
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VTKM_TEST_ASSERT(a3 == Arg3, "Arg 3 incorrect.");
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VTKM_TEST_ASSERT(a4 == Arg4, "Arg 4 incorrect.");
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VTKM_TEST_ASSERT(a5 == Arg5, "Arg 5 incorrect.");
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}
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};
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struct FiveArgSwizzledFunctor {
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void operator()(const Type5 &a5,
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const Type1 &a1,
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const Type3 &a3,
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const Type4 &a4,
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const Type2 &a2) const
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{
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std::cout << "In 5 arg functor." << std::endl;
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VTKM_TEST_ASSERT(a1 == Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(a2 == Arg2, "Arg 2 incorrect.");
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VTKM_TEST_ASSERT(a3 == Arg3, "Arg 3 incorrect.");
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VTKM_TEST_ASSERT(a4 == Arg4, "Arg 4 incorrect.");
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VTKM_TEST_ASSERT(a5 == Arg5, "Arg 5 incorrect.");
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}
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};
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struct LotsOfArgsFunctor {
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LotsOfArgsFunctor() : Field(0) { }
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void operator()(vtkm::Scalar arg1,
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vtkm::Scalar arg2,
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vtkm::Scalar arg3,
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vtkm::Scalar arg4,
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vtkm::Scalar arg5,
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vtkm::Scalar arg6,
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vtkm::Scalar arg7,
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vtkm::Scalar arg8,
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vtkm::Scalar arg9,
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vtkm::Scalar arg10) {
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VTKM_TEST_ASSERT(arg1 == 1.0, "Got bad argument");
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VTKM_TEST_ASSERT(arg2 == 2.0, "Got bad argument");
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VTKM_TEST_ASSERT(arg3 == 3.0, "Got bad argument");
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VTKM_TEST_ASSERT(arg4 == 4.0, "Got bad argument");
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VTKM_TEST_ASSERT(arg5 == 5.0, "Got bad argument");
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VTKM_TEST_ASSERT(arg6 == 6.0, "Got bad argument");
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VTKM_TEST_ASSERT(arg7 == 7.0, "Got bad argument");
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VTKM_TEST_ASSERT(arg8 == 8.0, "Got bad argument");
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VTKM_TEST_ASSERT(arg9 == 9.0, "Got bad argument");
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VTKM_TEST_ASSERT(arg10 == 10.0, "Got bad argument");
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this->Field +=
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arg1 + arg2 + arg3 + arg4 + arg5 + arg6 + arg7 + arg8 + arg9 + arg10;
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}
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vtkm::Scalar Field;
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};
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template<typename T>
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std::string ToString(const T &value)
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{
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std::stringstream stream;
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stream.precision(10);
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stream << value;
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return stream.str();
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}
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std::string ToString(const std::string &value)
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{
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return value;
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}
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struct StringTransform
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{
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template<typename T>
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std::string operator()(const T &input) const { return ToString(input); }
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};
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struct ThreeArgStringFunctorWithReturn
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{
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std::string operator()(std::string arg1,
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std::string arg2,
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std::string arg3) const
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{
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return arg1 + " " + arg2 + " " + arg3;
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}
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};
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struct DynamicTransformFunctor
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{
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template<typename T, typename ContinueFunctor>
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void operator()(const T &input, const ContinueFunctor continueFunc) const
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{
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continueFunc(input);
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continueFunc(ToString(input));
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}
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template<typename ContinueFunctor>
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void operator()(const std::string &input, const ContinueFunctor continueFunc) const
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{
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continueFunc(input);
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}
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};
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vtkm::Id g_DynamicTransformFinishCalls;
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struct DynamicTransformFinish
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{
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template<typename Signature>
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void operator()(vtkm::internal::FunctionInterface<Signature> &funcInterface) const
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{
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g_DynamicTransformFinishCalls++;
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VTKM_TEST_ASSERT(ToString(funcInterface.template GetParameter<1>()) == ToString(Arg1),
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"Arg 1 incorrect");
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VTKM_TEST_ASSERT(ToString(funcInterface.template GetParameter<2>()) == ToString(Arg2),
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"Arg 2 incorrect");
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VTKM_TEST_ASSERT(ToString(funcInterface.template GetParameter<3>()) == ToString(Arg3),
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"Arg 3 incorrect");
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}
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};
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void TryFunctionInterface5(
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vtkm::internal::FunctionInterface<void(Type1,Type2,Type3,Type4,Type5)> funcInterface)
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{
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std::cout << "Checking 5 parameter function interface." << std::endl;
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VTKM_TEST_ASSERT(funcInterface.GetArity() == 5,
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"Got wrong number of parameters.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<1>() == Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<2>() == Arg2, "Arg 2 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<3>() == Arg3, "Arg 3 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<4>() == Arg4, "Arg 4 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<5>() == Arg5, "Arg 5 incorrect.");
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std::cout << "Checking invocation." << std::endl;
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funcInterface.InvokeCont(FiveArgFunctor());
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funcInterface.InvokeExec(FiveArgFunctor());
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std::cout << "Swizzling parameters with replace." << std::endl;
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funcInterface.Replace<1>(Arg5)
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.Replace<2>(Arg1)
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.Replace<5>(Arg2)
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.InvokeCont(FiveArgSwizzledFunctor());
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}
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void TestBasicFunctionInterface()
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{
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std::cout << "Creating basic function interface." << std::endl;
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vtkm::internal::FunctionInterface<void(Type1,Type2,Type3)> funcInterface =
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vtkm::internal::make_FunctionInterface<void>(Arg1, Arg2, Arg3);
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std::cout << "Checking parameters." << std::endl;
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VTKM_TEST_ASSERT(funcInterface.GetArity() == 3,
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"Got wrong number of parameters.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<1>() == Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<2>() == Arg2, "Arg 2 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<3>() == Arg3, "Arg 3 incorrect.");
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std::cout << "Checking invocation." << std::endl;
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funcInterface.InvokeCont(ThreeArgFunctor());
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funcInterface.InvokeExec(ThreeArgFunctor());
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std::cout << "Checking invocation with argument modification." << std::endl;
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funcInterface.SetParameter<1>(Type1());
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funcInterface.SetParameter<2>(Type2());
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funcInterface.SetParameter<3>(Type3());
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VTKM_TEST_ASSERT(funcInterface.GetParameter<1>() != Arg1, "Arg 1 not cleared.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<2>() != Arg2, "Arg 2 not cleared.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<3>() != Arg3, "Arg 3 not cleared.");
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funcInterface.InvokeCont(ThreeArgModifyFunctor());
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VTKM_TEST_ASSERT(funcInterface.GetParameter<1>() == Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<2>() == Arg2, "Arg 2 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<3>() == Arg3, "Arg 3 incorrect.");
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TryFunctionInterface5(
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vtkm::internal::make_FunctionInterface<void>(Arg1,Arg2,Arg3,Arg4,Arg5));
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}
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void TestInvokeResult()
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{
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std::cout << "Checking invocation with return." << std::endl;
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vtkm::internal::FunctionInterface<std::string(Type1,Type2,Type3)> funcInterface
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= vtkm::internal::make_FunctionInterface<std::string>(Arg1, Arg2, Arg3);
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funcInterface.InvokeCont(ThreeArgFunctorWithReturn());
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std::string result = funcInterface.GetReturnValue();
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std::cout << "Got result: " << result << std::endl;
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VTKM_TEST_ASSERT(result == "1234 5678.125 Third argument",
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"Got bad result from invoke.");
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}
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void TestAppend()
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{
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std::cout << "Appending interface with return value." << std::endl;
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vtkm::internal::FunctionInterface<std::string(Type1,Type2)>
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funcInterface2ArgWRet =
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vtkm::internal::make_FunctionInterface<std::string>(Arg1,Arg2);
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vtkm::internal::FunctionInterface<std::string(Type1,Type2,Type3)>
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funcInterface3ArgWRet = funcInterface2ArgWRet.Append(Arg3);
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VTKM_TEST_ASSERT(funcInterface3ArgWRet.GetParameter<1>() == Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(funcInterface3ArgWRet.GetParameter<2>() == Arg2, "Arg 2 incorrect.");
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VTKM_TEST_ASSERT(funcInterface3ArgWRet.GetParameter<3>() == Arg3, "Arg 3 incorrect.");
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std::cout << "Invoking appended function interface." << std::endl;
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funcInterface3ArgWRet.InvokeExec(ThreeArgFunctorWithReturn());
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std::string result = funcInterface3ArgWRet.GetReturnValue();
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std::cout << "Got result: " << result << std::endl;
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VTKM_TEST_ASSERT(result == "1234 5678.125 Third argument",
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"Got bad result from invoke.");
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std::cout << "Appending another value." << std::endl;
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vtkm::internal::FunctionInterface<std::string(Type1,Type2,Type3,Type4)>
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funcInterface4ArgWRet = funcInterface3ArgWRet.Append(Arg4);
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VTKM_TEST_ASSERT(funcInterface4ArgWRet.GetParameter<4>() == Arg4, "Arg 4 incorrect.");
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VTKM_TEST_ASSERT(funcInterface4ArgWRet.GetReturnValue() == "1234 5678.125 Third argument",
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"Got bad result from copy.");
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std::cout << "Checking double append." << std::endl;
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vtkm::internal::FunctionInterface<void(Type1,Type2,Type3)> funcInterface3 =
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vtkm::internal::make_FunctionInterface<void>(Arg1,Arg2,Arg3);
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TryFunctionInterface5(funcInterface3
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.Append(Arg4)
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.Append(Arg5));
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}
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void TestTransformInvoke()
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{
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std::cout << "Trying transform invoke." << std::endl;
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vtkm::internal::FunctionInterface<std::string(Type1,Type2,Type3)>
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funcInterface =
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vtkm::internal::make_FunctionInterface<std::string>(Arg1, Arg2, Arg3);
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funcInterface.InvokeCont(ThreeArgStringFunctorWithReturn(),
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StringTransform());
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std::string result = funcInterface.GetReturnValue();
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std::cout << "Got result: " << result << std::endl;
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VTKM_TEST_ASSERT(result == "1234 5678.125 Third argument",
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"Got bad result from invoke.");
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}
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void TestDynamicTransform()
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{
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std::cout << "Trying dynamic transform." << std::endl;
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vtkm::internal::FunctionInterface<void(Type1,Type2,Type3)> funcInterface =
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vtkm::internal::make_FunctionInterface<void>(Arg1, Arg2, Arg3);
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g_DynamicTransformFinishCalls = 0;
|
||
|
|
||
|
funcInterface.DynamicTransformCont(DynamicTransformFunctor(),
|
||
|
DynamicTransformFinish());
|
||
|
|
||
|
// We use an idiosyncrasy of DynamicTransform to call finish with two
|
||
|
// permutations for every non string argument and one permutation for every
|
||
|
// string argument. Thus, we expect it to be called 4 times.
|
||
|
std::cout << "Number of finish calls: " << g_DynamicTransformFinishCalls
|
||
|
<< std::endl;
|
||
|
VTKM_TEST_ASSERT(g_DynamicTransformFinishCalls == 4,
|
||
|
"DynamicTransform did not call finish the right number of times.");
|
||
|
}
|
||
|
|
||
|
void TestInvokeTime()
|
||
|
{
|
||
|
std::cout << "Checking time to call lots of args lots of times." << std::endl;
|
||
|
static vtkm::Id NUM_TRIALS = 50000;
|
||
|
LotsOfArgsFunctor f;
|
||
|
|
||
|
Timer timer;
|
||
|
for (vtkm::Id trial = 0; trial < NUM_TRIALS; trial++)
|
||
|
{
|
||
|
f(1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f, 9.0f, 10.0f);
|
||
|
}
|
||
|
vtkm::Scalar directCallTime = timer.GetElapsedTime();
|
||
|
std::cout << "Time for direct call: " << directCallTime << " seconds"
|
||
|
<< std::endl;
|
||
|
|
||
|
vtkm::internal::FunctionInterface<void(vtkm::Scalar,
|
||
|
vtkm::Scalar,
|
||
|
vtkm::Scalar,
|
||
|
vtkm::Scalar,
|
||
|
vtkm::Scalar,
|
||
|
vtkm::Scalar,
|
||
|
vtkm::Scalar,
|
||
|
vtkm::Scalar,
|
||
|
vtkm::Scalar,
|
||
|
vtkm::Scalar)> funcInterface =
|
||
|
vtkm::internal::make_FunctionInterface<void>(vtkm::Scalar(1),
|
||
|
vtkm::Scalar(2),
|
||
|
vtkm::Scalar(3),
|
||
|
vtkm::Scalar(4),
|
||
|
vtkm::Scalar(5),
|
||
|
vtkm::Scalar(6),
|
||
|
vtkm::Scalar(7),
|
||
|
vtkm::Scalar(8),
|
||
|
vtkm::Scalar(9),
|
||
|
vtkm::Scalar(10));
|
||
|
|
||
|
timer.Reset();
|
||
|
for (vtkm::Id trial = 0; trial < NUM_TRIALS; trial++)
|
||
|
{
|
||
|
funcInterface.InvokeCont(f);
|
||
|
}
|
||
|
vtkm::Scalar invokeCallTime = timer.GetElapsedTime();
|
||
|
std::cout << "Time for invoking function interface: " << invokeCallTime
|
||
|
<< " seconds" << std::endl;
|
||
|
std::cout << "Pointless result (makeing sure compiler computes it) "
|
||
|
<< f.Field << std::endl;
|
||
|
|
||
|
// Might need to disable this for non-release builds.
|
||
|
VTKM_TEST_ASSERT(invokeCallTime < 1.05*directCallTime,
|
||
|
"Function interface invoke took longer than expected.");
|
||
|
}
|
||
|
|
||
|
void TestFunctionInterface()
|
||
|
{
|
||
|
TestBasicFunctionInterface();
|
||
|
TestInvokeResult();
|
||
|
TestAppend();
|
||
|
TestTransformInvoke();
|
||
|
TestDynamicTransform();
|
||
|
TestInvokeTime();
|
||
|
}
|
||
|
|
||
|
} // anonymous namespace
|
||
|
|
||
|
int UnitTestFunctionInterface(int, char *[])
|
||
|
{
|
||
|
return vtkm::testing::Testing::Run(TestFunctionInterface);
|
||
|
}
|