blob: 44015d91cd696fbe1a872f4e804a196e1b55e0c7 [file] [log] [blame]
/*
* 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.
*/
#include "math32.h"
__attribute__((overloadable, always_inline)) float
maxmag(float x, float y)
{
int ix = as_int(x);
int iy = as_int(y);
int ax = ix & 0x7fffffff;
int ay = iy & 0x7fffffff;
ax |= -(ax > 0x7f800000);
ay |= -(ay > 0x7f800000);
return as_float((-(ax > ay) & ix) |
(-(ay > ax) & iy) |
(-(ax == ay) & ((ix & iy) | (ax & 0x00400000))));
}