# HG changeset patch
# User Rik <rik@octave.org>
# Date 1459262543 25200
# Node ID d42aa67801753f73f5ec39f8e179340e286b1b97
# Parent  9f0088f3f335224cf0032cc4a11127a60f526a89
Initialize variable to stop unstable results for lgamma (bug #47524).

* lo-specfun.cc (rc_lgamma (double x), rc_lgamma (float x)):
Initialize sgngam variable to 0.

diff -r 9f0088f3f335 -r d42aa6780175 liboctave/numeric/lo-specfun.cc
--- a/liboctave/numeric/lo-specfun.cc	Mon Mar 28 22:00:43 2016 -0400
+++ b/liboctave/numeric/lo-specfun.cc	Tue Mar 29 07:42:23 2016 -0700
@@ -416,7 +416,7 @@
   int sgngam;
   result = lgamma_r (x, &sgngam);
 #else
-  double sgngam;
+  double sgngam = 0.0;
 
   if (xisnan (x))
     result = x;
@@ -488,7 +488,7 @@
   int sgngam;
   result = lgammaf_r (x, &sgngam);
 #else
-  float sgngam;
+  float sgngam = 0.0f;
 
   if (xisnan (x))
     result = x;