libclc/generic/lib/common/step.cl

   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
  25 #include "../clcmacro.h"
  26
  27 _CLC_OVERLOAD _CLC_DEF float step(float edge, float x) {
  28   return x < edge ? 0.0f : 1.0f;
  29 }
  30
  31 _CLC_BINARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, float, step, float, float);
  32
  33 _CLC_V_S_V_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, float, step, float, float);
  34
  35 #ifdef cl_khr_fp64
  36 #pragma OPENCL EXTENSION cl_khr_fp64 : enable
  37
  38 #define STEP_DEF(edge_type, x_type) \
  39   _CLC_OVERLOAD _CLC_DEF x_type step(edge_type edge, x_type x) { \
  40     return x < edge ? 0.0 : 1.0; \
  41  }
  42
  43 STEP_DEF(double, double);
  44
  45 _CLC_BINARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, double, step, double, double);
  46 _CLC_V_S_V_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, double, step, double, double);
  47
  48 #if !defined(CLC_SPIRV) && !defined(CLC_SPIRV64)
  49 STEP_DEF(float, double);
  50 STEP_DEF(double, float);
  51
  52 _CLC_V_S_V_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, double, step, float, double);
  53 _CLC_V_S_V_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, float, step, double, float);
  54 #endif
  55
  56 #endif