rpl/lapack/blas/daxpy.f - diff

Return to daxpy.f CVS log

Up to [local] / rpl / lapack / blas

Diff for /rpl/lapack/blas/daxpy.f between versions 1.6 and 1.7

-version 1.6, 2010/12/21 13:51:24
+version 1.7, 2011/07/22 07:38:01
  Line 29
  *     ..
        IF (N.LE.0) RETURN
        IF (DA.EQ.0.0d0) RETURN
-       IF (INCX.EQ.1 .AND. INCY.EQ.1) GO TO 20
+       IF (INCX.EQ.1 .AND. INCY.EQ.1) THEN
+ *
+ *        code for both increments equal to 1
+ *
+ *
+ *        clean-up loop
+ *
+          M = MOD(N,4)
+          IF (M.NE.0) THEN
+             DO I = 1,M
+                DY(I) = DY(I) + DA*DX(I)
+             END DO
+          END IF
+          IF (N.LT.4) RETURN
+          MP1 = M + 1
+          DO I = MP1,N,4
+             DY(I) = DY(I) + DA*DX(I)
+             DY(I+1) = DY(I+1) + DA*DX(I+1)
+             DY(I+2) = DY(I+2) + DA*DX(I+2)
+             DY(I+3) = DY(I+3) + DA*DX(I+3)
+          END DO
+       ELSE
  *
  *        code for unequal increments or equal increments
  *          not equal to 1
  *
-       IX = 1
+          IX = 1
-       IY = 1
+          IY = 1
-       IF (INCX.LT.0) IX = (-N+1)*INCX + 1
+          IF (INCX.LT.0) IX = (-N+1)*INCX + 1
-       IF (INCY.LT.0) IY = (-N+1)*INCY + 1
+          IF (INCY.LT.0) IY = (-N+1)*INCY + 1
-       DO 10 I = 1,N
+          DO I = 1,N
            DY(IY) = DY(IY) + DA*DX(IX)
            IX = IX + INCX
            IY = IY + INCY
-CONTINUE
+          END DO
-       RETURN
+       END IF
- *
- *        code for both increments equal to 1
- *
- *
- *        clean-up loop
- *
-M = MOD(N,4)
-       IF (M.EQ.0) GO TO 40
-       DO 30 I = 1,M
-           DY(I) = DY(I) + DA*DX(I)
-CONTINUE
-       IF (N.LT.4) RETURN
-MP1 = M + 1
-       DO 50 I = MP1,N,4
-           DY(I) = DY(I) + DA*DX(I)
-           DY(I+1) = DY(I+1) + DA*DX(I+1)
-           DY(I+2) = DY(I+2) + DA*DX(I+2)
-           DY(I+3) = DY(I+3) + DA*DX(I+3)
-CONTINUE
        RETURN
        END

CVSweb interface <joel.bertrand@systella.fr>

Removed from v.1.6
changed lines
	Added in v.1.7