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/*******************************************************
* Copyright (c) 2014, ArrayFire
* All rights reserved.
*
* This file is distributed under 3-clause BSD license.
* The complete license agreement can be obtained at:
* http://arrayfire.com/licenses/BSD-3-Clause
********************************************************/
#include <gtest/gtest.h>
#include <arrayfire.h>
#include <af/dim4.hpp>
#include <af/traits.hpp>
#include <vector>
#include <iostream>
#include <string>
#include <testHelpers.hpp>
using std::vector;
using std::string;
using std::cout;
using std::endl;
using std::abs;
using af::cfloat;
using af::cdouble;
template<typename T>
class RotateLinear : public ::testing::Test
{
public:
virtual void SetUp() {
subMat0.push_back(af_make_seq(0, 4, 1));
subMat0.push_back(af_make_seq(2, 6, 1));
subMat0.push_back(af_make_seq(0, 2, 1));
}
vector<af_seq> subMat0;
};
// create a list of types to be tested
typedef ::testing::Types<float, double, cfloat, cdouble, int, intl, char, short> TestTypes;
// register the type list
TYPED_TEST_CASE(RotateLinear, TestTypes);
#define PI 3.1415926535897931f
template<typename T>
void rotateTest(string pTestFile, const unsigned resultIdx, const float angle, const bool crop, const bool recenter, bool isSubRef = false, const vector<af_seq> * seqv = NULL)
{
if (noDoubleTests<T>()) return;
vector<af::dim4> numDims;
vector<vector<T> > in;
vector<vector<T> > tests;
readTests<T, T, float>(pTestFile,numDims,in,tests);
af::dim4 dims = numDims[0];
af_array inArray = 0;
af_array outArray = 0;
af_array tempArray = 0;
float theta = angle * PI / 180.0f;
if (isSubRef) {
ASSERT_EQ(AF_SUCCESS, af_create_array(&tempArray, &(in[0].front()), dims.ndims(), dims.get(), (af_dtype) af::dtype_traits<T>::af_type));
ASSERT_EQ(AF_SUCCESS, af_index(&inArray, tempArray, seqv->size(), &seqv->front()));
} else {
ASSERT_EQ(AF_SUCCESS, af_create_array(&inArray, &(in[0].front()), dims.ndims(), dims.get(), (af_dtype) af::dtype_traits<T>::af_type));
}
ASSERT_EQ(AF_SUCCESS, af_rotate(&outArray, inArray, theta, crop, AF_INTERP_BILINEAR));
// Get result
T* outData = new T[tests[resultIdx].size()];
ASSERT_EQ(AF_SUCCESS, af_get_data_ptr((void*)outData, outArray));
// Compare result
size_t nElems = tests[resultIdx].size();
// This is a temporary solution. The reason we need this is because of
// floating point error in the index computations on CPU/GPU, some
// elements of GPU(CUDA/OpenCL) versions are different from the CPU version.
// That is, the input index of CPU/GPU may differ by 1 (rounding error) on
// x or y, hence a different value is copied.
// We expect 99.99% values to be same between the CPU/GPU versions and
// ASSERT_EQ (in comments below) to pass for CUDA & OpenCL backends
size_t fail_count = 0;
for(size_t i = 0; i < nElems; i++) {
if(abs((tests[resultIdx][i] - (T)outData[i])) > 0.001) {
fail_count++;
}
}
ASSERT_EQ(true, ((fail_count / (float)nElems) < 0.02)) << "where count = " << fail_count << std::endl;
//for (size_t elIter = 0; elIter < nElems; ++elIter) {
// ASSERT_EQ(tests[resultIdx][elIter], outData[elIter]) << "at: " << elIter << std::endl;
//}
// Delete
delete[] outData;
if(inArray != 0) af_release_array(inArray);
if(outArray != 0) af_release_array(outArray);
if(tempArray != 0) af_release_array(tempArray);
}
#define ROTATE_INIT(desc, file, resultIdx, angle, crop, recenter) \
TYPED_TEST(RotateLinear, desc) \
{ \
rotateTest<TypeParam>(string(TEST_DIR"/rotate/"#file".test"), resultIdx, angle, crop, recenter); \
}
ROTATE_INIT(Square180NoCropRecenter , rotatelinear1, 0, 180, false, true);
ROTATE_INIT(Square180CropRecenter , rotatelinear1, 1, 180, true , true);
ROTATE_INIT(Square90NoCropRecenter , rotatelinear1, 2, 90 , false, true);
ROTATE_INIT(Square90CropRecenter , rotatelinear1, 3, 90 , true , true);
ROTATE_INIT(Square45NoCropRecenter , rotatelinear1, 4, 45 , false, true);
ROTATE_INIT(Square45CropRecenter , rotatelinear1, 5, 45 , true , true);
ROTATE_INIT(Squarem45NoCropRecenter , rotatelinear1, 6,-45 , false, true);
ROTATE_INIT(Squarem45CropRecenter , rotatelinear1, 7,-45 , true , true);
ROTATE_INIT(Square60NoCropRecenter , rotatelinear1, 8, 60 , false, true);
ROTATE_INIT(Square60CropRecenter , rotatelinear1, 9, 60 , true , true);
ROTATE_INIT(Square30NoCropRecenter , rotatelinear1, 10, 30 , false, true);
ROTATE_INIT(Square30CropRecenter , rotatelinear1, 11, 30 , true , true);
ROTATE_INIT(Square15NoCropRecenter , rotatelinear1, 12, 15 , false, true);
ROTATE_INIT(Square15CropRecenter , rotatelinear1, 13, 15 , true , true);
ROTATE_INIT(Square10NoCropRecenter , rotatelinear1, 14, 10 , false, true);
ROTATE_INIT(Square10CropRecenter , rotatelinear1, 15, 10 , true , true);
ROTATE_INIT(Square01NoCropRecenter , rotatelinear1, 16, 1 , false, true);
ROTATE_INIT(Square01CropRecenter , rotatelinear1, 17, 1 , true , true);
ROTATE_INIT(Square360NoCropRecenter , rotatelinear1, 18, 360, false, true);
ROTATE_INIT(Square360CropRecenter , rotatelinear1, 19, 360, true , true);
ROTATE_INIT(Squarem180NoCropRecenter , rotatelinear1, 20,-180, false, true);
ROTATE_INIT(Squarem180CropRecenter , rotatelinear1, 21,-180, false, true);
ROTATE_INIT(Square00NoCropRecenter , rotatelinear1, 22, 0 , false, true);
ROTATE_INIT(Square00CropRecenter , rotatelinear1, 23, 0 , true , true);
ROTATE_INIT(Rectangle180NoCropRecenter , rotatelinear2, 0, 180, false, true);
ROTATE_INIT(Rectangle180CropRecenter , rotatelinear2, 1, 180, true , true);
ROTATE_INIT(Rectangle90NoCropRecenter , rotatelinear2, 2, 90 , false, true);
ROTATE_INIT(Rectangle90CropRecenter , rotatelinear2, 3, 90 , true , true);
ROTATE_INIT(Rectangle45NoCropRecenter , rotatelinear2, 4, 45 , false, true);
ROTATE_INIT(Rectangle45CropRecenter , rotatelinear2, 5, 45 , true , true);
ROTATE_INIT(Rectanglem45NoCropRecenter , rotatelinear2, 6,-45 , false, true);
ROTATE_INIT(Rectanglem45CropRecenter , rotatelinear2, 7,-45 , true , true);
ROTATE_INIT(Rectangle60NoCropRecenter , rotatelinear2, 8, 60 , false, true);
ROTATE_INIT(Rectangle60CropRecenter , rotatelinear2, 9, 60 , true , true);
ROTATE_INIT(Rectangle30NoCropRecenter , rotatelinear2, 10, 30 , false, true);
ROTATE_INIT(Rectangle30CropRecenter , rotatelinear2, 11, 30 , true , true);
ROTATE_INIT(Rectangle15NoCropRecenter , rotatelinear2, 12, 15 , false, true);
ROTATE_INIT(Rectangle15CropRecenter , rotatelinear2, 13, 15 , true , true);
ROTATE_INIT(Rectangle10NoCropRecenter , rotatelinear2, 14, 10 , false, true);
ROTATE_INIT(Rectangle10CropRecenter , rotatelinear2, 15, 10 , true , true);
ROTATE_INIT(Rectangle01NoCropRecenter , rotatelinear2, 16, 1 , false, true);
ROTATE_INIT(Rectangle01CropRecenter , rotatelinear2, 17, 1 , true , true);
ROTATE_INIT(Rectangle360NoCropRecenter , rotatelinear2, 18, 360, false, true);
ROTATE_INIT(Rectangle360CropRecenter , rotatelinear2, 19, 360, true , true);
ROTATE_INIT(Rectanglem180NoCropRecenter , rotatelinear2, 20,-180, false, true);
ROTATE_INIT(Rectanglem180CropRecenter , rotatelinear2, 21,-180, false, true);
ROTATE_INIT(Rectangle00NoCropRecenter , rotatelinear2, 22, 0 , false, true);
ROTATE_INIT(Rectangle00CropRecenter , rotatelinear2, 23, 0 , true , true);
////////////////////////////////// CPP //////////////////////////////////////
TEST(RotateLinear, CPP)
{
if (noDoubleTests<float>()) return;
const unsigned resultIdx = 0;
const float angle = 180;
const bool crop = false;
vector<af::dim4> numDims;
vector<vector<float> > in;
vector<vector<float> > tests;
readTests<float, float, float>(string(TEST_DIR"/rotate/rotatelinear1.test"),numDims,in,tests);
af::dim4 dims = numDims[0];
float theta = angle * PI / 180.0f;
af::array input(dims, &(in[0].front()));
af::array output = af::rotate(input, theta, crop, AF_INTERP_BILINEAR);
// Get result
float* outData = new float[tests[resultIdx].size()];
output.host((void*)outData);
// Compare result
size_t nElems = tests[resultIdx].size();
// This is a temporary solution. The reason we need this is because of
// floating point error in the index computations on CPU/GPU, some
// elements of GPU(CUDA/OpenCL) versions are different from the CPU version.
// That is, the input index of CPU/GPU may differ by 1 (rounding error) on
// x or y, hence a different value is copied.
// We expect 99.99% values to be same between the CPU/GPU versions and
// ASSERT_EQ (in comments below) to pass for CUDA & OpenCL backends
size_t fail_count = 0;
for(size_t i = 0; i < nElems; i++) {
if(fabs(tests[resultIdx][i] - outData[i]) > 0.0001)
fail_count++;
}
ASSERT_EQ(true, ((fail_count / (float)nElems) < 0.01));
// Delete
delete[] outData;
}
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