--- rpl/lapack/blas/zrotg.f	2010/12/21 13:51:27	1.6
+++ rpl/lapack/blas/zrotg.f	2011/07/22 07:38:03	1.7
@@ -18,19 +18,18 @@
 *     .. Intrinsic Functions ..
       INTRINSIC CDABS,DCMPLX,DCONJG,DSQRT
 *     ..
-      IF (CDABS(CA).NE.0.0d0) GO TO 10
-      C = 0.0d0
-      S = (1.0d0,0.0d0)
-      CA = CB
-      GO TO 20
-   10 CONTINUE
-      SCALE = CDABS(CA) + CDABS(CB)
-      NORM = SCALE*DSQRT((CDABS(CA/DCMPLX(SCALE,0.0d0)))**2+
-     +       (CDABS(CB/DCMPLX(SCALE,0.0d0)))**2)
-      ALPHA = CA/CDABS(CA)
-      C = CDABS(CA)/NORM
-      S = ALPHA*DCONJG(CB)/NORM
-      CA = ALPHA*NORM
-   20 CONTINUE
+      IF (CDABS(CA).EQ.0.0d0) THEN
+         C = 0.0d0
+         S = (1.0d0,0.0d0)
+         CA = CB
+      ELSE
+         SCALE = CDABS(CA) + CDABS(CB)
+         NORM = SCALE*DSQRT((CDABS(CA/DCMPLX(SCALE,0.0d0)))**2+
+     $       (CDABS(CB/DCMPLX(SCALE,0.0d0)))**2)
+         ALPHA = CA/CDABS(CA)
+         C = CDABS(CA)/NORM
+         S = ALPHA*DCONJG(CB)/NORM
+         CA = ALPHA*NORM
+      END IF
       RETURN
       END