CSIN(3)                             Linux Programmer's Manual                             CSIN(3)



NAME
       csin, csinf, csinl - complex sine function

SYNOPSIS
       #include <complex.h>

       double complex csin(double complex z);
       float complex csinf(float complex z);
       long double complex csinl(long double complex z);

       Link with -lm.

DESCRIPTION
       The complex sine function is defined as:

           csin(z) = (exp(i * z) - exp(-i * z)) / (2 * i)

VERSIONS
       These functions first appeared in glibc in version 2.1.

CONFORMING TO
       C99.

SEE ALSO
       cabs(3), casin(3), ccos(3), ctan(3), complex(7)

COLOPHON
       This  page  is  part of release 3.74 of the Linux man-pages project.  A description of the
       project, information about reporting bugs, and the latest version of  this  page,  can  be
       found at http://www.kernel.org/doc/man-pages/.



                                            2008-08-11                                    CSIN(3)