1.\" $NetBSD: cabs.3,v 1.4 2017/09/27 09:20:27 maya Exp $ 2.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved 3.Dd September 27, 2017 4.Dt CABS 3 5.Os 6.Sh NAME 7.Nm cabs , 8.Nm cabsf , 9.Nm cabsl 10.Nd return a complex absolute value 11.Sh SYNOPSIS 12.In complex.h 13.Ft double 14.Fn cabs "double complex z" 15.Ft float 16.Fn cabsf "float complex z" 17.Ft long double 18.Fn cabsl "long double complex z" 19.In tgmath.h 20.Ft complex-floating 21.Fn cabs "complex-floating z" 22.Sh DESCRIPTION 23These functions compute the complex absolute value (also called 24norm, modulus, or magnitude) of 25.Ar z . 26.Sh RETURN VALUES 27These functions return the complex absolute value. 28.Sh ERRORS 29No errors are defined. 30.Sh SEE ALSO 31.St -p1003.1-2001 32.Aq Pa complex.h 33.Sh COPYRIGHT 34Portions of this text are reprinted and reproduced in electronic form 35from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology 36-- Portable Operating System Interface (POSIX), The Open Group Base 37Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of 38Electrical and Electronics Engineers, Inc and The Open Group. 39In the 40event of any discrepancy between this version and the original IEEE and 41The Open Group Standard, the original IEEE and The Open Group Standard 42is the referee document. 43The original Standard can be obtained online at 44http://www.opengroup.org/unix/online.html . 45