1/* 2 * Copyright (c) 2014,2015 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 20 * THE SOFTWARE. 21 */ 22 23#include <clc/clc.h> 24#include <clc/clcmacro.h> 25 26_CLC_OVERLOAD _CLC_DEF float step(float edge, float x) { 27 return x < edge ? 0.0f : 1.0f; 28} 29 30_CLC_BINARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, float, step, float, float); 31 32_CLC_V_S_V_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, float, step, float, float); 33 34#ifdef cl_khr_fp64 35#pragma OPENCL EXTENSION cl_khr_fp64 : enable 36 37#define STEP_DEF(edge_type, x_type) \ 38 _CLC_OVERLOAD _CLC_DEF x_type step(edge_type edge, x_type x) { \ 39 return x < edge ? 0.0 : 1.0; \ 40 } 41 42STEP_DEF(double, double); 43 44_CLC_BINARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, double, step, double, double); 45_CLC_V_S_V_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, double, step, double, double); 46 47#if !defined(CLC_SPIRV) 48STEP_DEF(float, double); 49STEP_DEF(double, float); 50 51_CLC_V_S_V_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, double, step, float, double); 52_CLC_V_S_V_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, float, step, double, float); 53#endif 54 55#endif 56