dos33fsprogs/graphics/galaxy/test.c

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2019-12-09 01:34:57 +00:00
#include <stdio.h>
#include <math.h>
int main(int argc, char **argv) {
printf("%lf\n",atan2(1,1));
printf("%lf\n",atan2(1,-1));
printf("%lf\n",atan2(-1,1));
return 0;
}