From 8c5cedee697d9dc6985cc6b2be7524dd5fcc0b62 Mon Sep 17 00:00:00 2001
From: Fred Drake <fdrake@acm.org>
Date: Thu, 18 May 2000 05:07:38 +0000
Subject: New description for math.frexp() -- poor description noted by
 Francois Pinard.

---
 Doc/lib/libmath.tex | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Doc/lib/libmath.tex b/Doc/lib/libmath.tex
index c20fd7f..bf0a1af 100644
--- a/Doc/lib/libmath.tex
+++ b/Doc/lib/libmath.tex
@@ -64,8 +64,12 @@ Return \code{\var{x} \%\ \var{y}}.
 \end{funcdesc}
 
 \begin{funcdesc}{frexp}{x}
-Return the matissa and exponent for \var{x}.  The mantissa is
-positive.
+Convert a floating-point number to fractional and integral
+components.  If \var{x} is zero, returns \code{(0.0, 0)}, otherwise
+returns \code{(\var{frac}, \var{exp})} such that \code{\var{frac} *
+2**\var{exp}} will equal \var{x}.  \var{exp} will be an integer, and
+the absolute value of \var{frac} will be in the range [0.5, 1.0)
+(\var{frac} will share the sign of \var{x}).
 \end{funcdesc}
 
 \begin{funcdesc}{hypot}{x, y}
-- 
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