From: Paolo Carlini <pcarlini@suse.de>
Date: Fri, 8 Sep 2006 14:40:47 +0000 (+0000)
Subject: random.tcc (poisson_distribution<>::operator()): Avoid potential warnings when _IntTy... 
X-Git-Tag: releases/gcc-4.2.0~1484
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=96b9f9a4d84511ca59ebd763dc7128ab9013a9d0;p=thirdparty%2Fgcc.git

random.tcc (poisson_distribution<>::operator()): Avoid potential warnings when _IntType is unsigned.

2006-09-08  Paolo Carlini  <pcarlini@suse.de>

	* include/tr1/random.tcc (poisson_distribution<>::operator()):
	Avoid potential warnings when _IntType is unsigned.

From-SVN: r116779
---

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 103f75d50e63..c2145be7ae3b 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2006-09-08  Paolo Carlini  <pcarlini@suse.de>
+
+	* include/tr1/random.tcc (poisson_distribution<>::operator()):
+	Avoid potential warnings when _IntType is unsigned.
+
 2006-09-08  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* include/debug/debug.h (_GLIBCXX_DEBUG_ONLY): New.
diff --git a/libstdc++-v3/include/tr1/random.tcc b/libstdc++-v3/include/tr1/random.tcc
index e6d4d941d596..a7322605f685 100644
--- a/libstdc++-v3/include/tr1/random.tcc
+++ b/libstdc++-v3/include/tr1/random.tcc
@@ -906,7 +906,7 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
 	else
 #endif
 	  {
-	    _IntType     __x = -1;
+	    _IntType     __x = 0;
 	    _RealType __prod = 1.0;
 
 	    do
@@ -916,7 +916,7 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
 	      }
 	    while (__prod > _M_lm_thr);
 
-	    return __x;
+	    return __x - 1;
 	  }
       }