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/* copyright (c) 2007 magnus auvinen, see licence.txt for more info */
#ifndef BASE_MATH_H
#define BASE_MATH_H
#include <stdlib.h>
template <typename T>
inline T clamp(T val, T min, T max)
{
if(val < min)
return min;
if(val > max)
return max;
return val;
}
inline float sign(float f)
{
return f<0.0f?-1.0f:1.0f;
}
inline int round(float f)
{
if(f > 0)
return (int)(f+0.5f);
return (int)(f-0.5f);
}
template<typename T, typename TB>
inline T mix(const T a, const T b, TB amount)
{
return a + (b-a)*amount;
}
inline float frandom() { return rand()/(float)(RAND_MAX); }
const float pi = 3.1415926535897932384626433f;
template <typename T> inline T min(T a, T b) { return a<b?a:b; }
template <typename T> inline T max(T a, T b) { return a>b?a:b; }
template <typename T> inline T min(T a, T b, T c) { return min(min(a,b),c); }
template <typename T> inline T max(T a, T b, T c) { return max(max(a,b),c); }
#endif // BASE_MATH_H
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