--- rpl/lapack/blas/dzasum.f	2010/12/21 13:51:26	1.6
+++ rpl/lapack/blas/dzasum.f	2011/07/22 07:38:02	1.7
@@ -22,7 +22,7 @@
 *
 *     .. Local Scalars ..
       DOUBLE PRECISION STEMP
-      INTEGER I,IX
+      INTEGER I,NINCX
 *     ..
 *     .. External Functions ..
       DOUBLE PRECISION DCABS1
@@ -31,23 +31,22 @@
       DZASUM = 0.0d0
       STEMP = 0.0d0
       IF (N.LE.0 .OR. INCX.LE.0) RETURN
-      IF (INCX.EQ.1) GO TO 20
+      IF (INCX.EQ.1) THEN
 *
-*        code for increment not equal to 1
+*        code for increment equal to 1
 *
-      IX = 1
-      DO 10 I = 1,N
-          STEMP = STEMP + DCABS1(ZX(IX))
-          IX = IX + INCX
-   10 CONTINUE
-      DZASUM = STEMP
-      RETURN
+         DO I = 1,N
+            STEMP = STEMP + DCABS1(ZX(I))
+         END DO
+      ELSE
 *
-*        code for increment equal to 1
+*        code for increment not equal to 1
 *
-   20 DO 30 I = 1,N
-          STEMP = STEMP + DCABS1(ZX(I))
-   30 CONTINUE
+         NINCX = N*INCX
+         DO I = 1,NINCX,INCX
+            STEMP = STEMP + DCABS1(ZX(I))
+         END DO
+      END IF
       DZASUM = STEMP
       RETURN
       END