//// 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_HALF_UTILS_HPP#define TEST_CONFORMANCE_CLCPP_HALF_UTILS_HPP#include "../common.hpp"#include "../funcs_test_utils.hpp"#include <cmath>namespace detail{template<class INT_TYPE>inline int clz(INT_TYPE x){int count = 0;if(std::is_unsigned<INT_TYPE>::value){cl_ulong value = x;value <<= 8 * sizeof(value) - (8 * sizeof(x));for(count = 0; 0 == (value & (CL_LONG_MIN)); count++){value <<= 1;}}else{cl_long value = x;value <<= 8 * sizeof(value) - (8 * sizeof(x));for(count = 0; 0 == (value & (CL_LONG_MIN)); count++){value <<= 1;}}return count;}} // namespace detail#endif // TEST_CONFORMANCE_CLCPP_HALF_UTILS_HPP