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//
// Copyright (c) 2017 The Khronos Group Inc.
//
// 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
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// 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.
//
#ifndef TEST_CONFORMANCE_CLCPP_MATH_FUNCS_POWER_FUNCS_HPP
#define TEST_CONFORMANCE_CLCPP_MATH_FUNCS_POWER_FUNCS_HPP
#include <limits>
#include <type_traits>
#include <cmath>
#include "common.hpp"
#define DEFINE_BINARY_POWER_FUNC_INT(NAME, HOST_FUNC, USE_ULP, ULP, ULP_EMBEDDED, MIN1, MAX1, MIN2, MAX2) \
struct power_func_ ## NAME : public binary_func<cl_float, cl_int, cl_float> \
{ \
power_func_ ## NAME(bool is_embedded) : m_is_embedded(is_embedded) \
{ \
\
} \
\
std::string str() \
{ \
return #NAME; \
} \
\
std::string headers() \
{ \
return "#include <opencl_math>\n"; \
} \
/* Reference value type is cl_double */ \
cl_double operator()(const cl_float& x, const cl_int& y) \
{ \
return (HOST_FUNC)(static_cast<cl_double>(x), y); \
} \
\
cl_float min1() \
{ \
return MIN1; \
} \
\
cl_float max1() \
{ \
return MAX1; \
} \
\
cl_int min2() \
{ \
return MIN2; \
} \
\
cl_int max2() \
{ \
return MAX2; \
} \
\
std::vector<cl_float> in1_special_cases() \
{ \
return { \
cl_float(-1.0f), \
cl_float(0.0f), \
cl_float(-0.0f), \
}; \
} \
\
std::vector<cl_int> in2_special_cases() \
{ \
return { \
2, 3, -1, 1, -2, 2 \
}; \
} \
\
bool use_ulp() \
{ \
return USE_ULP; \
} \
\
float ulp() \
{ \
if(m_is_embedded) \
{ \
return ULP_EMBEDDED; \
} \
return ULP; \
} \
private: \
bool m_is_embedded; \
};
// group_name, func_name, reference_func, use_ulp, ulp, ulp_for_embedded, max_delta, min1, max1
MATH_FUNCS_DEFINE_UNARY_FUNC(power, cbrt, std::cbrt, true, 2.0f, 4.0f, 0.001f, -1000.0f, -9.0f)
MATH_FUNCS_DEFINE_UNARY_FUNC(power, rsqrt, reference::rsqrt, true, 2.0f, 4.0f, 0.001f, 1.0f, 100.0f)
MATH_FUNCS_DEFINE_UNARY_FUNC(power, sqrt, std::sqrt, true, 3.0f, 4.0f, 0.001f, 1.0f, 100.0f)
// group_name, func_name, reference_func, use_ulp, ulp, ulp_for_embedded, max_delta, min1, max1, min2, max2
MATH_FUNCS_DEFINE_BINARY_FUNC(power, pow, std::pow, true, 16.0f, 16.0f, 0.001f, 1.0f, 100.0f, 1.0f, 10.0f)
MATH_FUNCS_DEFINE_BINARY_FUNC(power, powr, reference::powr, true, 16.0f, 16.0f, 0.001f, 1.0f, 100.0f, 1.0f, 10.0f)
// func_name, reference_func, use_ulp, ulp, ulp_for_embedded, min1, max1, min2, max2
DEFINE_BINARY_POWER_FUNC_INT(pown, std::pow, true, 16.0f, 16.0f, 1.0f, 100.0f, 1, 10)
DEFINE_BINARY_POWER_FUNC_INT(rootn, reference::rootn, true, 16.0f, 16.0f, -100.0f, 100.0f, -10, 10)
// power functions
AUTO_TEST_CASE(test_power_funcs)
(cl_device_id device, cl_context context, cl_command_queue queue, int n_elems)
{
int error = CL_SUCCESS;
int last_error = CL_SUCCESS;
// Check for EMBEDDED_PROFILE
bool is_embedded_profile = false;
char profile[128];
last_error = clGetDeviceInfo(device, CL_DEVICE_PROFILE, sizeof(profile), (void *)&profile, NULL);
RETURN_ON_CL_ERROR(last_error, "clGetDeviceInfo")
if (std::strcmp(profile, "EMBEDDED_PROFILE") == 0)
is_embedded_profile = true;
// gentype cbrt(gentype x);
// gentype rsqrt(gentype x);
// gentype sqrt(gentype x);
TEST_UNARY_FUNC_MACRO((power_func_cbrt(is_embedded_profile)))
TEST_UNARY_FUNC_MACRO((power_func_sqrt(is_embedded_profile)))
TEST_UNARY_FUNC_MACRO((power_func_rsqrt(is_embedded_profile)))
// gentype pow(gentype x, gentype y);
// gentype powr(gentype x, gentype y);
TEST_BINARY_FUNC_MACRO((power_func_pow(is_embedded_profile)))
TEST_BINARY_FUNC_MACRO((power_func_powr(is_embedded_profile)))
// gentype pown(gentype x, intn y);
// gentype rootn(gentype x, intn y);
TEST_BINARY_FUNC_MACRO((power_func_pown(is_embedded_profile)))
TEST_BINARY_FUNC_MACRO((power_func_rootn(is_embedded_profile)))
if(error != CL_SUCCESS)
{
return -1;
}
return error;
}
#endif // TEST_CONFORMANCE_CLCPP_MATH_FUNCS_POWER_FUNCS_HPP