| /* |
| * Copyright (c) 2014 Advanced Micro Devices, Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| */ |
| |
| __attribute__((overloadable,weak,always_inline)) float |
| clamp(float x, float minval, float maxval) |
| { |
| return fmin(fmax(x, minval), maxval); |
| } |
| |
| __attribute__((overloadable,weak,always_inline)) double |
| clamp(double x, double minval, double maxval) |
| { |
| // We think there is a bug in section 9.3.3 and match the float version instead |
| return fmin(fmax(x, minval), maxval); |
| } |
| |
| // Integer clamp functions |
| |
| #define ICLAMP(TY) \ |
| __attribute__((overloadable,weak,always_inline)) TY \ |
| clamp(TY x, TY minval, TY maxval) \ |
| { \ |
| return min(max(x, minval), maxval); \ |
| } |
| |
| ICLAMP(char) |
| ICLAMP(uchar) |
| |
| ICLAMP(short) |
| ICLAMP(ushort) |
| |
| ICLAMP(int) |
| ICLAMP(uint) |
| |
| ICLAMP(long) |
| ICLAMP(ulong) |
| |
