# | Line 33 | Line 33 | typedef struct { | |
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33 | #define PI 3.14159265358979323846 | |
34 | #endif | |
35 | #endif | |
36 | + | /* defined in tcos.c */ |
37 | + | extern double tcos(double x); |
38 | + | extern double atan2a(double y, double x); |
39 | ||
40 | #ifdef FASTMATH | |
41 | #define tcos cos | |
# | Line 43 | Line 46 | typedef struct { | |
46 | #define tsin(x) tcos((x)-(PI/2.)) | |
47 | #define ttan(x) (tsin(x)/tcos(x)) | |
48 | #endif | |
46 | – | /* defined in tcos.c */ |
47 | – | extern double tcos(double x); |
49 | /* defined in xf.c */ | |
50 | extern int xf(XF *ret, int ac, char *av[]); | |
51 | extern int invxf(XF *ret, int ac, char *av[]); |
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