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Diffstat (limited to 'core/wiring_math.h')
-rw-r--r-- | core/wiring_math.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/core/wiring_math.h b/core/wiring_math.h new file mode 100644 index 0000000..f000bbd --- /dev/null +++ b/core/wiring_math.h @@ -0,0 +1,32 @@ +#ifndef _WIRING_MATH_H_ +#define _WIRING_MATH_H_ + +#include <math.h> + +void randomSeed(unsigned int); +long random(long); +long random(long, long); +long map(long, long, long, long, long); + +#define PI 3.1415926535897932384626433832795 +#define HALF_PI 1.5707963267948966192313216916398 +#define TWO_PI 6.283185307179586476925286766559 +#define DEG_TO_RAD 0.017453292519943295769236907684886 +#define RAD_TO_DEG 57.295779513082320876798154814105 + +#define min(a,b) ((a)<(b)?(a):(b)) +#define max(a,b) ((a)>(b)?(a):(b)) +#define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt))) +#define round(x) ((x)>=0?(long)((x)+0.5):(long)((x)-0.5)) +#define radians(deg) ((deg)*DEG_TO_RAD) +#define degrees(rad) ((rad)*RAD_TO_DEG) +#define sq(x) ((x)*(x)) + +/* undefine stdlib's abs if encountered */ +#ifdef abs +#undef abs +#endif +#define abs(x) (((x) > 0) ? (x) : -(unsigned)(x)) + +#endif + |