RetroArch
clamping.h
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1 /* Copyright (C) 2010-2018 The RetroArch team
2  *
3  * ---------------------------------------------------------------------------------------
4  * The following license statement only applies to this file (clamping.h).
5  * ---------------------------------------------------------------------------------------
6  *
7  * Permission is hereby granted, free of charge,
8  * to any person obtaining a copy of this software and associated documentation files (the "Software"),
9  * to deal in the Software without restriction, including without limitation the rights to
10  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
11  * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
16  * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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21  */
22 
23 #ifndef _LIBRETRO_SDK_CLAMPING_H
24 #define _LIBRETRO_SDK_CLAMPING_H
25 
26 #include <stdint.h>
27 #include <retro_inline.h>
28 
39 static INLINE float clamp_float(float val, float lower, float upper)
40 {
41  if (val < lower)
42  return lower;
43  if (val > upper)
44  return upper;
45  return val;
46 }
47 
57 {
58  if (val > 255)
59  return 255;
60  if (val < 0)
61  return 0;
62  return (uint8_t)val;
63 }
64 
65 #endif
GLuint GLfloat * val
Definition: glext.h:7847
#define INLINE
Definition: retro_inline.h:35
static INLINE uint8_t clamp_8bit(int val)
Definition: clamping.h:56
static INLINE float clamp_float(float val, float lower, float upper)
Definition: clamping.h:39
unsigned char uint8_t
Definition: stdint.h:124