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diff liboctave/oct-inttypes.h @ 8104:fc45357bf50c

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fix integer exponentiation with negative exponent
author Jaroslav Hajek <highegg@gmail.com>
date Fri, 12 Sep 2008 15:34:13 -0400
parents cd90e2842080
children 66bc6f9b4f72
line wrap: on
line diff
--- a/liboctave/oct-inttypes.h
+++ b/liboctave/oct-inttypes.h
@@ -481,10 +481,15 @@
   octave_int<T> zero = octave_int<T> (0);
   octave_int<T> one = octave_int<T> (1);
 
-  if (b == zero)
+  if (b == zero || a == one)
     retval = one;
   else if (b < zero)
-    retval = zero;
+    {
+      if (std::numeric_limits<T>::is_signed && a.value () == -1)
+        retval = (b.value () % 2) ? a : one;
+      else
+        retval = zero;
+    }
   else
     {
       octave_int<T> a_val = a;