CSIN(3) Linux Programmer's Manual CSIN(3) NAME csin, csinf, csinl - complex sine function SYNOPSIS #include double complex csin(double complex z); float complex csinf(float complex z); long double complex csinl(long double complex z); Link with -lm. DESCRIPTION These functions calculate the complex sine of z. 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. ATTRIBUTES For an explanation of the terms used in this section, see attributes(7). allbox; lbw24 lb lb l l l. Interface Attribute Value T{ csin(), csinf(), csinl() T} Thread safety MT-Safe CONFORMING TO C99, POSIX.1-2001, POSIX.1-2008. SEE ALSO cabs(3), casin(3), ccos(3), ctan(3), complex(7) COLOPHON This page is part of release 4.16 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 https://www.kernel.org/doc/man-pages/. 2017-09-15 CSIN(3)