Fix input argument check

Use the same argument check as the drop-in replacement xGEQRT3
to ensure M >= N.

Author: angsch

SRC/cgeqrt2.f

@@ -154,10 +154,10 @@ SUBROUTINE CGEQRT2( M, N, A, LDA, T, LDT, INFO )
 *     Test the input arguments
 *
       INFO = 0
-      IF( M.LT.0 ) THEN
-         INFO = -1
-      ELSE IF( N.LT.0 ) THEN
+      IF( N.LT.0 ) THEN
          INFO = -2
+      ELSE IF( M.LT.N ) THEN
+         INFO = -1
       ELSE IF( LDA.LT.MAX( 1, M ) ) THEN
          INFO = -4
       ELSE IF( LDT.LT.MAX( 1, N ) ) THEN

SRC/dgeqrt2.f

@@ -154,10 +154,10 @@ SUBROUTINE DGEQRT2( M, N, A, LDA, T, LDT, INFO )
 *     Test the input arguments
 *
       INFO = 0
-      IF( M.LT.0 ) THEN
-         INFO = -1
-      ELSE IF( N.LT.0 ) THEN
+      IF( N.LT.0 ) THEN
          INFO = -2
+      ELSE IF( M.LT.N ) THEN
+         INFO = -1
       ELSE IF( LDA.LT.MAX( 1, M ) ) THEN
          INFO = -4
       ELSE IF( LDT.LT.MAX( 1, N ) ) THEN

SRC/sgeqrt2.f

@@ -154,10 +154,10 @@ SUBROUTINE SGEQRT2( M, N, A, LDA, T, LDT, INFO )
 *     Test the input arguments
 *
       INFO = 0
-      IF( M.LT.0 ) THEN
-         INFO = -1
-      ELSE IF( N.LT.0 ) THEN
+      IF( N.LT.0 ) THEN
          INFO = -2
+      ELSE IF( M.LT.N ) THEN
+         INFO = -1
       ELSE IF( LDA.LT.MAX( 1, M ) ) THEN
          INFO = -4
       ELSE IF( LDT.LT.MAX( 1, N ) ) THEN

SRC/zgeqrt2.f

@@ -154,10 +154,10 @@ SUBROUTINE ZGEQRT2( M, N, A, LDA, T, LDT, INFO )
 *     Test the input arguments
 *
       INFO = 0
-      IF( M.LT.0 ) THEN
-         INFO = -1
-      ELSE IF( N.LT.0 ) THEN
+      IF( N.LT.0 ) THEN
          INFO = -2
+      ELSE IF( M.LT.N ) THEN
+         INFO = -1
       ELSE IF( LDA.LT.MAX( 1, M ) ) THEN
          INFO = -4
       ELSE IF( LDT.LT.MAX( 1, N ) ) THEN