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SINCOS(3) Library Functions Manual SINCOS(3) NAME sincos, sincosf, sincosl -- sine and cosine functions LIBRARY Math Library (libm, -lm) SYNOPSIS #include <math.h> void sincos(double x, double *s, double *c); void sincosf(float x, float *s, float *c); void sincosl(long double x, long double *s, long double *c); DESCRIPTION The sincos(), sincosf(), and sincosl() functions compute the sine and co- sine of x. Using these functions allows argument reduction to occur only once instead of twice with individual invocations of sin() and cos(). Like sin() and cos(), a large magnitude argument may yield a result with little or no significance. RETURN VALUES Upon returning from sincos(), sincosf(), and sincosl(), the memory pointed to by *s and *c are assigned the values of sine and cosine, respectively. SEE ALSO cos(3), sin(3) HISTORY These functions were added to FreeBSD 11.2 to aid in writing various com- plex function contained in ISO/IEC 9899:1999 ("ISO C99"). FreeBSD ports 15.quarterly March 12, 2011 SINCOS(3)
NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO | HISTORY
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