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authorjames <james@8a072113-8704-0410-8d35-dd094bca7971>2011-04-21 22:00:11 +0000
committerjames <james@8a072113-8704-0410-8d35-dd094bca7971>2011-04-21 22:00:11 +0000
commit654407606d8ff71a833a9e20016c18f5bd088bff (patch)
tree7ac1cc2bd431e15557cb925781e9450d69e57776 /SRC/iladlr.f
parent13397e1419d91674a5338397757a00293d676447 (diff)
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fixed problems with zero matrix and scan
Diffstat (limited to 'SRC/iladlr.f')
-rw-r--r--SRC/iladlr.f9
1 files changed, 6 insertions, 3 deletions
diff --git a/SRC/iladlr.f b/SRC/iladlr.f
index dd4d37ca..e9f86a03 100644
--- a/SRC/iladlr.f
+++ b/SRC/iladlr.f
@@ -53,10 +53,13 @@
* Scan up each column tracking the last zero row seen.
ILADLR = 0
DO J = 1, N
- I=M
- DO WHILE ((A(I,J).NE.ZERO).AND.(I.GE.1))
- I=I-1
+ I = M
+ DO WHILE ((A(I,J).EQ.ZERO).AND.(I.GT.1))
+ I=I-1
ENDDO
+ IF( (I.EQ.1).AND.(A(1,J).EQ.ZERO) ) THEN
+ I = 0
+ END IF
ILADLR = MAX( ILADLR, I )
END DO
END IF