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diff --git a/man/man3/cexp.3 b/man/man3/cexp.3 new file mode 100644 index 0000000000..032821e28a --- /dev/null +++ b/man/man3/cexp.3 @@ -0,0 +1,59 @@ +.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de) +.\" +.\" SPDX-License-Identifier: GPL-1.0-or-later +.\" +.TH CEXP 3 2021-03-22 "Linux man-pages (unreleased)" +.SH NAME +cexp, cexpf, cexpl \- complex exponential function +.SH LIBRARY +Math library +.RI ( libm ", " \-lm ) +.SH SYNOPSIS +.nf +.B #include <complex.h> +.PP +.BI "double complex cexp(double complex " z ); +.BI "float complex cexpf(float complex " z ); +.BI "long double complex cexpl(long double complex " z ); +.fi +.SH DESCRIPTION +These functions calculate e (2.71828..., the base of natural logarithms) +raised to the power of +.IR z . +.PP +One has: +.PP +.in +4n +.EX +cexp(I * z) = ccos(z) + I * csin(z) +.EE +.in +.SH VERSIONS +These functions first appeared in glibc in version 2.1. +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.ad l +.nh +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.BR cexp (), +.BR cexpf (), +.BR cexpl () +T} Thread safety MT-Safe +.TE +.hy +.ad +.sp 1 +.SH STANDARDS +C99, POSIX.1-2001, POSIX.1-2008. +.SH SEE ALSO +.BR cabs (3), +.BR cexp2 (3), +.BR clog (3), +.BR cpow (3), +.BR complex (7) |