Mercurial > hg > Members > koba > t_dandy

view sankaku.h @ 30:427e1aac0bd7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
not run.
author koba <koba@cr.ie.u-ryukyu.ac.jp>
date Fri, 31 Dec 2010 15:50:44 +0900
parents 435ac1cdb64e
children
line wrap: on
line source

#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; }