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view sankaku.h @ 19:bdc882acda58

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get_matrix
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Thu, 09 Dec 2010 22:31:06 +0900
parents c95b185b4c33
children
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#include <math.h>

#define SANKAKU (100000.0)

static const double pi2 = M_PI * 2.0;

static inline float Mycos(float c) { return cosf( c /  360.0 * pi2 ) * SANKAKU; }
static inline float Mysin(float c) { return sinf( c /  360.0 * pi2 ) * SANKAKU; }