Changeset 987 for trunk/src/real.cppTweet

Timestamp:

Sep 27, 2011, 7:09:21 PM (11 years ago)

Author:

sam

Message:

real: fix a bug in the real number multiplication when one of the arguments
is zero.

File:

• trunk/src/real.cpp (modified) (1 diff)

trunk/src/real.cpp

@@ -263 +263 @@
 {
     real ret;
+
+    if (m_signexp << 1 == 0 || x.m_signexp << 1 == 0)
+    {
+        ret = (m_signexp << 1 == 0) ? *this : x;
+        ret.m_signexp ^= x.m_signexp & 0x80000000u;
+        return ret;
+    }
 
     ret.m_signexp = (m_signexp ^ x.m_signexp) & 0x80000000u;