Initial open source release of OpenCL 2.2 CTS.

test_conformance/clcpp/math_funcs/exponential_funcs.hpp

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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_EXP_FUNCS_HPP
+#define TEST_CONFORMANCE_CLCPP_MATH_FUNCS_EXP_FUNCS_HPP
+
+#include <type_traits>
+#include <cmath>
+
+#include "common.hpp"
+
+// group_name, func_name, reference_func, use_ulp, ulp, ulp_for_embedded, max_delta, min1, max1
+MATH_FUNCS_DEFINE_UNARY_FUNC(exponential, exp, std::exp, true, 3.0f, 4.0f, 0.001f, -1000.0f, 1000.0f)
+MATH_FUNCS_DEFINE_UNARY_FUNC(exponential, expm1, std::expm1, true, 3.0f, 4.0f, 0.001f, -1000.0f, 1000.0f)
+MATH_FUNCS_DEFINE_UNARY_FUNC(exponential, exp2, std::exp2, true, 3.0f, 4.0f, 0.001f, -1000.0f, 1000.0f)
+MATH_FUNCS_DEFINE_UNARY_FUNC(exponential, exp10, reference::exp10, true, 3.0f, 4.0f, 0.001f, -1000.0f, 1000.0f)
+
+struct exponential_func_ldexp : public binary_func<cl_float, cl_int, cl_float>
+{
+    exponential_func_ldexp(bool is_embedded) : m_is_embedded(is_embedded) 
+    {
+   
+    }
+   
+    std::string str()
+    {
+        return "ldexp";
+    }
+   
+    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 (std::ldexp)(static_cast<cl_double>(x), y);
+    }
+   
+    cl_float min1()
+    {
+        return -1000.0f;
+    }
+   
+    cl_float max1()
+    {
+        return 1000.0f;
+    }
+
+    cl_int min2()
+    {
+        return -8;
+    }
+   
+    cl_int max2()
+    {
+        return 8;
+    }
+   
+    std::vector<cl_float> in1_special_cases()
+    {
+        return { 
+            cl_float(0.0f),
+            cl_float(-0.0f),
+            cl_float(1.0f),
+            cl_float(-1.0f),
+            cl_float(2.0f),
+            cl_float(-2.0f),
+            std::numeric_limits<cl_float>::infinity(),
+            -std::numeric_limits<cl_float>::infinity(),
+            std::numeric_limits<cl_float>::quiet_NaN()
+        };
+    }
+   
+    bool use_ulp()
+    {
+        return true;
+    }
+   
+    float ulp()
+    {
+        if(m_is_embedded)
+        {
+            return 0.0f;
+        }
+        return 0.0f;
+    }
+private:
+    bool m_is_embedded;
+};
+
+// exponential functions
+AUTO_TEST_CASE(test_exponential_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;
+
+    // auto exp(gentype x);
+    // auto expm1(gentype x);
+    // auto exp2(gentype x);
+    // auto exp10(gentype x);
+    TEST_UNARY_FUNC_MACRO((exponential_func_exp(is_embedded_profile)))
+    TEST_UNARY_FUNC_MACRO((exponential_func_expm1(is_embedded_profile)))
+    TEST_UNARY_FUNC_MACRO((exponential_func_exp2(is_embedded_profile)))
+    TEST_UNARY_FUNC_MACRO((exponential_func_exp10(is_embedded_profile)))
+
+    // auto ldexp(gentype x, intn k);
+    TEST_BINARY_FUNC_MACRO((exponential_func_ldexp(is_embedded_profile)))
+
+    if(error != CL_SUCCESS)
+    {
+        return -1;
+    }    
+    return error;
+}
+
+#endif // TEST_CONFORMANCE_CLCPP_MATH_FUNCS_EXP_FUNCS_HPP