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diff src/data.cc @ 14520:c4ed0fdf2b62

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Fix initialization in Higham's method for norm estimate (bug #36031). * oct-norm.cc (higham): Initialize mu to 1.
author Marco Caliari <marco.caliari@univr.it>
date Tue, 03 Apr 2012 20:38:05 -0700
parents 5bd9e47e9277
children 3b19a952ab54
line wrap: on
line diff
--- a/src/data.cc
+++ b/src/data.cc
@@ -5233,6 +5233,12 @@
 %! fhi = single (1e+300);
 %!assert (norm (flo*m2,"fro"), single (sqrt (30)*flo), -eps ("single"))
 %!assert (norm (fhi*m2,"fro"), single (sqrt (30)*fhi), -eps ("single"))
+
+%!test
+%! ## Test for norm returning NaN on sparse matrix (bug #30631)
+%! A = sparse (2,2); 
+%! A(2,1) = 1;
+%! assert (norm (A), 1);
 */
 
 static octave_value