1.\" $OpenBSD: cpow.3,v 1.3 2013/06/05 03:40:26 tedu Exp $ 2.\" 3.\" Copyright (c) 2011 Martynas Venckus <martynas@openbsd.org> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: June 5 2013 $ 18.Dt CPOW 3 19.Os 20.Sh NAME 21.Nm cpow , 22.Nm cpowf , 23.Nm cpowl 24.Nd complex power functions 25.Sh SYNOPSIS 26.In complex.h 27.Ft double complex 28.Fn cpow "double complex x" "double complex z" 29.Ft float complex 30.Fn cpowf "float complex x" "float complex z" 31.Ft long double complex 32.Fn cpowl "long double complex x" "long double complex z" 33.Sh DESCRIPTION 34The 35.Fn cpow , 36.Fn cpowf 37and 38.Fn cpowl 39functions compute the complex number 40.Fa x 41raised to the complex power 42.Fa z , 43with a branch cut along the negative real axis for the first argument. 44.Sh RETURN VALUES 45The 46.Fn cpow , 47.Fn cpowf 48and 49.Fn cpowl 50functions return the complex number 51.Fa x 52raised to the complex power 53.Fa z . 54.Sh SEE ALSO 55.Xr cexp 3 , 56.Xr clog 3 57.Sh STANDARDS 58The 59.Fn cpow , 60.Fn cpowf 61and 62.Fn cpowl 63functions conform to 64.St -isoC-99 . 65