Index: /trunk/psLib/test/dataManip/verified/tst_psMatrix03.stdout
===================================================================
--- /trunk/psLib/test/dataManip/verified/tst_psMatrix03.stdout	(revision 897)
+++ /trunk/psLib/test/dataManip/verified/tst_psMatrix03.stdout	(revision 898)
@@ -24,5 +24,4 @@
 0.750000 -2.750000 -6.500000 
 4.000000 5.000000 6.000000 
-Error: Resulting image is not PS_DIMEN_IMAGE
 
 ---> TESTPOINT PASSED (psMatrix{Calculate LU matrix} | tst_psMatrix03.c)
Index: /trunk/psLib/test/dataManip/verified/tst_psMatrix04.stderr
===================================================================
--- /trunk/psLib/test/dataManip/verified/tst_psMatrix04.stderr	(revision 898)
+++ /trunk/psLib/test/dataManip/verified/tst_psMatrix04.stderr	(revision 898)
@@ -0,0 +1,2 @@
+ <DATE> <TIME> <HOST> |E|psMatrixInvert |Invalid operation: inImage or its data is NULL.
+ <DATE> <TIME> <HOST> |E|psMatrixInvert |Invalid operation: determinant argument is NULL.
Index: /trunk/psLib/test/dataManip/verified/tst_psMatrix04.stdout
===================================================================
--- /trunk/psLib/test/dataManip/verified/tst_psMatrix04.stdout	(revision 897)
+++ /trunk/psLib/test/dataManip/verified/tst_psMatrix04.stdout	(revision 898)
@@ -44,2 +44,24 @@
 ---> TESTPOINT PASSED (psMatrix{Free input and output images} | tst_psMatrix04.c)
 
+/----------------------------- TESTPOINT ------------------------------------------\
+|             TestFile: tst_psMatrix04.c                                           |
+|            TestPoint: psMatrix{Attempt to use null input image argument}         |
+|             TestType: Negative                                                   |
+|    ExpectedErrorText: Invalid operation: inImage or its data is NULL.            |
+|  ExpectedStatusValue: 0                                                          |
+\----------------------------------------------------------------------------------/
+
+
+---> TESTPOINT PASSED (psMatrix{Attempt to use null input image argument} | tst_psMatrix04.c)
+
+/----------------------------- TESTPOINT ------------------------------------------\
+|             TestFile: tst_psMatrix04.c                                           |
+|            TestPoint: psMatrix{Attempt to use null input float argument}         |
+|             TestType: Negative                                                   |
+|    ExpectedErrorText: Invalid operation: determinant argument is NULL.           |
+|  ExpectedStatusValue: 0                                                          |
+\----------------------------------------------------------------------------------/
+
+
+---> TESTPOINT PASSED (psMatrix{Attempt to use null input float argument} | tst_psMatrix04.c)
+