From bf5300eaee04b5e143dea58e922bc6ae260197dd Mon Sep 17 00:00:00 2001
From: Jeff Johnston <jjohnstn@redhat.com>
Date: Mon, 18 Oct 2010 22:40:24 +0000
Subject: 2010-10-18  Marco Atzeri  <marco_atzeri@yahoo.it>

        * libm/Makefile.am: added complex functions documentation
        * libm/libm.texinfo: ditto
        * libm/complex/Makefile.am: Ditto
        * libm/complex/complex.tex: Ditto
        * libm/complex/(cabs.c, cacos.c, cacosh.c, carg.c,
        casin.c, casinh.c, catan.c, catanh.c, ccos.c, ccosh.c,
        cexp.c, cimag.c, clog.c, conj.c, cpow.c, cproj.c, creal.c,
        csin.c, csinh.c, csqrt.c, ctan.c, ctanh.c): Ditto
        * libm/Makefile.in: Regenerate
        * libm/complex/Makefile.in: Ditto
---
 newlib/libm/complex/cabs.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'newlib/libm/complex/cabs.c')

diff --git a/newlib/libm/complex/cabs.c b/newlib/libm/complex/cabs.c
index eb6366935..2750fab9a 100644
--- a/newlib/libm/complex/cabs.c
+++ b/newlib/libm/complex/cabs.c
@@ -8,6 +8,40 @@
  * Marco Atzeri <marco_atzeri@yahoo.it>
  */
 
+/*
+FUNCTION
+        <<cabs>>, <<cabsf>>---complex absolute-value
+
+INDEX
+        cabs
+INDEX
+        cabsf
+
+ANSI_SYNOPSIS
+       #include <complex.h>
+       double cabs(double complex <[z]>);
+       float cabsf(float complex <[z]>);
+
+
+DESCRIPTION
+        These functions compute compute the complex absolute value 
+        (also called norm, modulus, or magnitude) of <[z]>. 
+
+        <<cabsf>> is identical to <<cabs>>, except that it performs
+        its calculations on <<floats complex>>.
+
+RETURNS
+        The cabs functions return the complex absolute value.
+
+PORTABILITY
+        <<cabs>> and <<cabsf>> are ISO C99
+
+QUICKREF
+        <<cabs>> and <<cabsf>> are ISO C99
+
+*/
+
+
 #include <complex.h>
 #include <math.h>
 
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