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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include <iostream>
#include "itkIndex.h"
bool
math_test_helper(std::string str, bool test)
{
if (!test)
{
std::cout << "test (" << str << ") failed" << std::endl;
}
return test;
}
int
itkMathRoundTest(int, char *[])
{
bool ok = true;
using IndexValueType = itk::Index<3>::IndexValueType;
ok &= math_test_helper("rnd(-8.4999) == -8", itk::Math::Round<IndexValueType>(-8.4999) == -8);
ok &= math_test_helper("rnd(-8.4999f) == -8", itk::Math::Round<IndexValueType>(-8.4999f) == -8);
ok &= math_test_helper("rnd(-8.50 == -8", itk::Math::Round<IndexValueType>(-8.50) == -8);
ok &= math_test_helper("rnd(-8.50f) == -8", itk::Math::Round<IndexValueType>(-8.50f) == -8);
ok &= math_test_helper("rnd(-8.5001) == -9", itk::Math::Round<IndexValueType>(-8.5001) == -9);
ok &= math_test_helper("rnd(-8.5001f) == -9", itk::Math::Round<IndexValueType>(-8.5001f) == -9);
ok &= math_test_helper("rnd(8.4999) == 8", itk::Math::Round<IndexValueType>(8.4999) == 8);
ok &= math_test_helper("rnd(8.4999f) == 8", itk::Math::Round<IndexValueType>(8.4999f) == 8);
ok &= math_test_helper("rnd(8.50) == 9", itk::Math::Round<IndexValueType>(8.50) == 9);
ok &= math_test_helper("rnd(8.50f) == 9", itk::Math::Round<IndexValueType>(8.50f) == 9);
ok &= math_test_helper("rnd(8.5001) == 9", itk::Math::Round<IndexValueType>(8.5001) == 9);
ok &= math_test_helper("rnd(8.5001f) == 9", itk::Math::Round<IndexValueType>(8.5001f) == 9);
ok &= math_test_helper("rnd(-9.4999) == -9 ", itk::Math::Round<IndexValueType>(-9.4999) == -9);
ok &= math_test_helper("rnd(-9.4999f) == -9 ", itk::Math::Round<IndexValueType>(-9.4999f) == -9);
ok &= math_test_helper("rnd(-9.50) == -9 ", itk::Math::Round<IndexValueType>(-9.50) == -9);
ok &= math_test_helper("rnd(-9.50f) == -9 ", itk::Math::Round<IndexValueType>(-9.50f) == -9);
ok &= math_test_helper("rnd(-9.5001) == -10", itk::Math::Round<IndexValueType>(-9.5001) == -10);
ok &= math_test_helper("rnd(-9.5001f) == -10", itk::Math::Round<IndexValueType>(-9.5001f) == -10);
ok &= math_test_helper("rnd(9.4999) == 9 ", itk::Math::Round<IndexValueType>(9.4999) == 9);
ok &= math_test_helper("rnd(9.4999f) == 9 ", itk::Math::Round<IndexValueType>(9.4999f) == 9);
ok &= math_test_helper("rnd(9.50) == 10", itk::Math::Round<IndexValueType>(9.50) == 10);
ok &= math_test_helper("rnd(9.50f) == 10", itk::Math::Round<IndexValueType>(9.50f) == 10);
ok &= math_test_helper("rnd(9.5001) == 10", itk::Math::Round<IndexValueType>(9.5001) == 10);
ok &= math_test_helper("rnd(9.5001f) == 10", itk::Math::Round<IndexValueType>(9.5001f) == 10);
ok &= math_test_helper("rnd_halfinttoeven(-8.4999) == -8",
itk::Math::RoundHalfIntegerToEven<IndexValueType>(-8.4999) == -8);
ok &= math_test_helper("rnd_halfinttoeven(-8.4999f) == -8",
itk::Math::RoundHalfIntegerToEven<IndexValueType>(-8.4999f) == -8);
ok &=
math_test_helper("rnd_halfinttoeven(-8.50) == -8", itk::Math::RoundHalfIntegerToEven<IndexValueType>(-8.50) == -8);
ok &= math_test_helper("rnd_halfinttoeven(-8.50f) == -8",
itk::Math::RoundHalfIntegerToEven<IndexValueType>(-8.50f) == -8);
ok &= math_test_helper("rnd_halfinttoeven(-8.5001) == -9",
itk::Math::RoundHalfIntegerToEven<IndexValueType>(-8.5001) == -9);
ok &= math_test_helper("rnd_halfinttoeven(-8.5001f) == -9",
itk::Math::RoundHalfIntegerToEven<IndexValueType>(-8.5001f) == -9);
ok &=
math_test_helper("rnd_halfinttoeven(8.4999) == 8", itk::Math::RoundHalfIntegerToEven<IndexValueType>(8.4999) == 8);
ok &= math_test_helper("rnd_halfinttoeven(8.4999f) == 8",
itk::Math::RoundHalfIntegerToEven<IndexValueType>(8.4999f) == 8);
ok &= math_test_helper("rnd_halfinttoeven(8.50) == 8", itk::Math::RoundHalfIntegerToEven<IndexValueType>(8.50) == 8);
ok &=
math_test_helper("rnd_halfinttoeven(8.50f) == 8", itk::Math::RoundHalfIntegerToEven<IndexValueType>(8.50f) == 8);
ok &=
math_test_helper("rnd_halfinttoeven(8.5001) == 9", itk::Math::RoundHalfIntegerToEven<IndexValueType>(8.5001) == 9);
ok &= math_test_helper("rnd_halfinttoeven(8.5001f) == 9",
itk::Math::RoundHalfIntegerToEven<IndexValueType>(8.5001f) == 9);
ok &= math_test_helper("rnd_halfinttoeven(-9.4999) == -9 ",
itk::Math::RoundHalfIntegerToEven<IndexValueType>(-9.4999) == -9);
ok &= math_test_helper("rnd_halfinttoeven(-9.4999f) == -9 ",
itk::Math::RoundHalfIntegerToEven<IndexValueType>(-9.4999f) == -9);
ok &= math_test_helper("rnd_halfinttoeven(-9.50) == -10",
itk::Math::RoundHalfIntegerToEven<IndexValueType>(-9.50) == -10);
ok &= math_test_helper("rnd_halfinttoeven(-9.50f) == -10",
itk::Math::RoundHalfIntegerToEven<IndexValueType>(-9.50f) == -10);
ok &= math_test_helper("rnd_halfinttoeven(-9.5001) == -10",
itk::Math::RoundHalfIntegerToEven<IndexValueType>(-9.5001) == -10);
ok &= math_test_helper("rnd_halfinttoeven(-9.5001f) == -10",
itk::Math::RoundHalfIntegerToEven<IndexValueType>(-9.5001f) == -10);
ok &=
math_test_helper("rnd_halfinttoeven(9.4999) == 9 ", itk::Math::RoundHalfIntegerToEven<IndexValueType>(9.4999) == 9);
ok &= math_test_helper("rnd_halfinttoeven(9.4999f) == 9 ",
itk::Math::RoundHalfIntegerToEven<IndexValueType>(9.4999f) == 9);
ok &=
math_test_helper("rnd_halfinttoeven(9.50) == 10", itk::Math::RoundHalfIntegerToEven<IndexValueType>(9.50) == 10);
ok &=
math_test_helper("rnd_halfinttoeven(9.50f) == 10", itk::Math::RoundHalfIntegerToEven<IndexValueType>(9.50f) == 10);
ok &= math_test_helper("rnd_halfinttoeven(9.5001) == 10",
itk::Math::RoundHalfIntegerToEven<IndexValueType>(9.5001) == 10);
ok &= math_test_helper("rnd_halfinttoeven(9.5001f) == 10",
itk::Math::RoundHalfIntegerToEven<IndexValueType>(9.5001f) == 10);
ok &= math_test_helper("rnd_halfintup(-8.4999) == -8", itk::Math::RoundHalfIntegerUp<IndexValueType>(-8.4999) == -8);
ok &=
math_test_helper("rnd_halfintup(-8.4999f) == -8", itk::Math::RoundHalfIntegerUp<IndexValueType>(-8.4999f) == -8);
ok &= math_test_helper("rnd_halfintup(-8.50) == -8", itk::Math::RoundHalfIntegerUp<IndexValueType>(-8.50) == -8);
ok &= math_test_helper("rnd_halfintup(-8.50f) == -8", itk::Math::RoundHalfIntegerUp<IndexValueType>(-8.50f) == -8);
ok &= math_test_helper("rnd_halfintup(-8.5001) == -9", itk::Math::RoundHalfIntegerUp<IndexValueType>(-8.5001) == -9);
ok &=
math_test_helper("rnd_halfintup(-8.5001f) == -9", itk::Math::RoundHalfIntegerUp<IndexValueType>(-8.5001f) == -9);
ok &= math_test_helper("rnd_halfintup(8.4999) == 8", itk::Math::RoundHalfIntegerUp<IndexValueType>(8.4999) == 8);
ok &= math_test_helper("rnd_halfintup(8.4999f) == 8", itk::Math::RoundHalfIntegerUp<IndexValueType>(8.4999f) == 8);
ok &= math_test_helper("rnd_halfintup(8.50) == 9", itk::Math::RoundHalfIntegerUp<IndexValueType>(8.50) == 9);
ok &= math_test_helper("rnd_halfintup(8.50f) == 9", itk::Math::RoundHalfIntegerUp<IndexValueType>(8.50f) == 9);
ok &= math_test_helper("rnd_halfintup(8.5001) == 9", itk::Math::RoundHalfIntegerUp<IndexValueType>(8.5001) == 9);
ok &= math_test_helper("rnd_halfintup(8.5001f) == 9", itk::Math::RoundHalfIntegerUp<IndexValueType>(8.5001f) == 9);
ok &= math_test_helper("rnd_halfintup(-9.4999) == -9 ", itk::Math::RoundHalfIntegerUp<IndexValueType>(-9.4999) == -9);
ok &=
math_test_helper("rnd_halfintup(-9.4999f) == -9 ", itk::Math::RoundHalfIntegerUp<IndexValueType>(-9.4999f) == -9);
ok &= math_test_helper("rnd_halfintup(-9.50) == -9 ", itk::Math::RoundHalfIntegerUp<IndexValueType>(-9.50) == -9);
ok &= math_test_helper("rnd_halfintup(-9.50f) == -9 ", itk::Math::RoundHalfIntegerUp<IndexValueType>(-9.50f) == -9);
ok &=
math_test_helper("rnd_halfintup(-9.5001) == -10", itk::Math::RoundHalfIntegerUp<IndexValueType>(-9.5001) == -10);
ok &=
math_test_helper("rnd_halfintup(-9.5001f) == -10", itk::Math::RoundHalfIntegerUp<IndexValueType>(-9.5001f) == -10);
ok &= math_test_helper("rnd_halfintup(9.4999) == 9 ", itk::Math::RoundHalfIntegerUp<IndexValueType>(9.4999) == 9);
ok &= math_test_helper("rnd_halfintup(9.4999f) == 9 ", itk::Math::RoundHalfIntegerUp<IndexValueType>(9.4999f) == 9);
ok &= math_test_helper("rnd_halfintup(9.50) == 10", itk::Math::RoundHalfIntegerUp<IndexValueType>(9.50) == 10);
ok &= math_test_helper("rnd_halfintup(9.50f) == 10", itk::Math::RoundHalfIntegerUp<IndexValueType>(9.50f) == 10);
ok &= math_test_helper("rnd_halfintup(9.5001) == 10", itk::Math::RoundHalfIntegerUp<IndexValueType>(9.5001) == 10);
ok &= math_test_helper("rnd_halfintup(9.5001f) == 10", itk::Math::RoundHalfIntegerUp<IndexValueType>(9.5001f) == 10);
ok &= math_test_helper("floor(8.0) == 8", itk::Math::Floor<IndexValueType>(8.0) == 8);
ok &= math_test_helper("floor(8.0f) == 8", itk::Math::Floor<IndexValueType>(8.0f) == 8);
ok &= math_test_helper("floor(8.9999) == 8", itk::Math::Floor<IndexValueType>(8.9999) == 8);
ok &= math_test_helper("floor(8.9999f) == 8", itk::Math::Floor<IndexValueType>(8.9999f) == 8);
ok &= math_test_helper("floor(8.0001) == 8", itk::Math::Floor<IndexValueType>(8.0001) == 8);
ok &= math_test_helper("floor(8.0001f) == 8", itk::Math::Floor<IndexValueType>(8.0001f) == 8);
ok &= math_test_helper("floor(-8.0) == -8", itk::Math::Floor<IndexValueType>(-8.0) == -8);
ok &= math_test_helper("floor(-8.0f) == -8", itk::Math::Floor<IndexValueType>(-8.0f) == -8);
ok &= math_test_helper("floor(-8.9999) == -9", itk::Math::Floor<IndexValueType>(-8.9999) == -9);
ok &= math_test_helper("floor(-8.9999f) == -9", itk::Math::Floor<IndexValueType>(-8.9999f) == -9);
ok &= math_test_helper("floor(-8.0001) == -9", itk::Math::Floor<IndexValueType>(-8.0001) == -9);
ok &= math_test_helper("floor(-8.0001f) == -9", itk::Math::Floor<IndexValueType>(-8.0001f) == -9);
ok &= math_test_helper("floor(9.0) == 9 ", itk::Math::Floor<IndexValueType>(9.0) == 9);
ok &= math_test_helper("floor(9.0f) == 9 ", itk::Math::Floor<IndexValueType>(9.0f) == 9);
ok &= math_test_helper("floor(9.9999) == 9 ", itk::Math::Floor<IndexValueType>(9.9999) == 9);
ok &= math_test_helper("floor(9.9999f) == 9 ", itk::Math::Floor<IndexValueType>(9.9999f) == 9);
ok &= math_test_helper("floor(9.0001) == 9 ", itk::Math::Floor<IndexValueType>(9.0001) == 9);
ok &= math_test_helper("floor(9.0001f) == 9 ", itk::Math::Floor<IndexValueType>(9.0001f) == 9);
ok &= math_test_helper("floor(-9.0) == -9 ", itk::Math::Floor<IndexValueType>(-9.0) == -9);
ok &= math_test_helper("floor(-9.0f) == -9 ", itk::Math::Floor<IndexValueType>(-9.0f) == -9);
ok &= math_test_helper("floor(-9.9999) == -10", itk::Math::Floor<IndexValueType>(-9.9999) == -10);
ok &= math_test_helper("floor(-9.9999f) == -10", itk::Math::Floor<IndexValueType>(-9.9999f) == -10);
ok &= math_test_helper("floor(-9.0001) == -10", itk::Math::Floor<IndexValueType>(-9.0001) == -10);
ok &= math_test_helper("floor(-9.0001f) == -10", itk::Math::Floor<IndexValueType>(-9.0001f) == -10);
ok &= math_test_helper("ceil(8.0) == 8", itk::Math::Ceil<IndexValueType>(8.0) == 8);
ok &= math_test_helper("ceil(8.0f) == 8", itk::Math::Ceil<IndexValueType>(8.0f) == 8);
ok &= math_test_helper("ceil(8.9999) == 9", itk::Math::Ceil<IndexValueType>(8.9999) == 9);
ok &= math_test_helper("ceil(8.9999f) == 9", itk::Math::Ceil<IndexValueType>(8.9999f) == 9);
ok &= math_test_helper("ceil(8.0001) == 9", itk::Math::Ceil<IndexValueType>(8.0001) == 9);
ok &= math_test_helper("ceil(8.0001f) == 9", itk::Math::Ceil<IndexValueType>(8.0001f) == 9);
ok &= math_test_helper("ceil(-8.0) == -8", itk::Math::Ceil<IndexValueType>(-8.0) == -8);
ok &= math_test_helper("ceil(-8.0f) == -8", itk::Math::Ceil<IndexValueType>(-8.0f) == -8);
ok &= math_test_helper("ceil(-8.9999) == -8", itk::Math::Ceil<IndexValueType>(-8.9999) == -8);
ok &= math_test_helper("ceil(-8.9999f) == -8", itk::Math::Ceil<IndexValueType>(-8.9999f) == -8);
ok &= math_test_helper("ceil(-8.0001) == -8", itk::Math::Ceil<IndexValueType>(-8.0001) == -8);
ok &= math_test_helper("ceil(-8.0001f) == -8", itk::Math::Ceil<IndexValueType>(-8.0001f) == -8);
ok &= math_test_helper("ceil(9.0) == 9 ", itk::Math::Ceil<IndexValueType>(9.0) == 9);
ok &= math_test_helper("ceil(9.0f) == 9 ", itk::Math::Ceil<IndexValueType>(9.0f) == 9);
ok &= math_test_helper("ceil(9.9999) == 10", itk::Math::Ceil<IndexValueType>(9.9999) == 10);
ok &= math_test_helper("ceil(9.9999f) == 10", itk::Math::Ceil<IndexValueType>(9.9999f) == 10);
ok &= math_test_helper("ceil(9.0001) == 10", itk::Math::Ceil<IndexValueType>(9.0001) == 10);
ok &= math_test_helper("ceil(9.0001f) == 10", itk::Math::Ceil<IndexValueType>(9.0001f) == 10);
ok &= math_test_helper("ceil(-9.0) == -9 ", itk::Math::Ceil<IndexValueType>(-9.0) == -9);
ok &= math_test_helper("ceil(-9.0f) == -9 ", itk::Math::Ceil<IndexValueType>(-9.0f) == -9);
ok &= math_test_helper("ceil(-9.9999) == -9 ", itk::Math::Ceil<IndexValueType>(-9.9999) == -9);
ok &= math_test_helper("ceil(-9.9999f) == -9 ", itk::Math::Ceil<IndexValueType>(-9.9999f) == -9);
ok &= math_test_helper("ceil(-9.0001) == -9 ", itk::Math::Ceil<IndexValueType>(-9.0001) == -9);
ok &= math_test_helper("ceil(-9.0001f) == -9 ", itk::Math::Ceil<IndexValueType>(-9.0001f) == -9);
if (!ok)
{
return EXIT_FAILURE;
}
else
{
std::cout << "Test passed" << std::endl;
return EXIT_SUCCESS;
}
}
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