SIN(3) Linux Programmer's Manual SIN(3) NAME sin, sinf, sinl - sine function SYNOPSIS #include <math.h> double sin(double x); float sinf(float x); long double sinl(long double x); Link with -lm. Feature Test Macro Requirements for glibc (see feature_test_macros(7)): sinf(), sinl(): _BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L; or cc -std=c99 DESCRIPTION The sin() function returns the sine of x, where x is given in radians. RETURN VALUE On success, these functions return the sine of x. If x is a NaN, a NaN is returned. If x is positive infinity or negative infinity, a domain error occurs, and a NaN is returned. ERRORS See math_error(7) for information on how to determine whether an error has occurred when calling these functions. The following errors can occur: Domain error: x is an infinity errno is set to EDOM (but see BUGS). An invalid floating-point exception (FE_INVALID) is raised. CONFORMING TO C99, POSIX.1-2001. The variant returning double also conforms to SVr4, 4.3BSD, C89. BUGS Before version 2.10, the glibc implementation did not set errno to EDOM when a domain error occurred. SEE ALSO acos(3), asin(3), atan(3), atan2(3), cos(3), csin(3), sincos(3), tan(3) COLOPHON This page is part of release 3.27 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. 2010-09-11 SIN(3)
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