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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 3.53 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)