clamping.h

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/* Copyright  (C) 2010-2018 The RetroArch team
 *
 * ---------------------------------------------------------------------------------------
 * The following license statement only applies to this file (clamping.h).
 * ---------------------------------------------------------------------------------------
 *
 * 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,
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 */

#ifndef _LIBRETRO_SDK_CLAMPING_H
#define _LIBRETRO_SDK_CLAMPING_H

#include <stdint.h>
#include <retro_inline.h>

static INLINE float clamp_float(float val, float lower, float upper)
{
   if (val < lower)
      return lower;
   if (val > upper)
      return upper;
   return val;
}

static INLINE uint8_t clamp_8bit(int val)
{
   if (val > 255)
      return 255;
   if (val < 0)
      return 0;
   return (uint8_t)val;
}

#endif