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diff libinterp/corefcn/data.cc @ 19041:9d185537e5d1 stable

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* data.cc: New test for log2 (bug #42583).
author John W. Eaton <jwe@octave.org>
date Thu, 19 Jun 2014 20:08:37 -0400
parents 53af80da6781
children 589354cf668f 23681c9ea7ba
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line diff
--- a/libinterp/corefcn/data.cc
+++ b/libinterp/corefcn/data.cc
@@ -568,6 +568,9 @@
 %! [f, e] = log2 (complex (zeros (3, 2), [0,-1; 2,-4; Inf,-Inf]));
 %! assert (f, complex (zeros (3, 2), [0,-0.5; 0.5,-0.5; Inf,-Inf]));
 %! assert (e(1:2,:), [0,1; 2,3]);
+
+# bug #42583
+%!assert (all (log2 (pow2 (-1074:1023)) == -1074:1023))
 */
 
 DEFUN (rem, args, ,