rpl/lapack/blas/zdotc.f - diff

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Diff for /rpl/lapack/blas/zdotc.f between versions 1.1 and 1.9

-version 1.1, 2010/01/26 15:22:45
+version 1.9, 2012/08/22 09:36:41
  Line 1
-       DOUBLE COMPLEX FUNCTION ZDOTC(N,ZX,INCX,ZY,INCY)
+ *> \brief \b ZDOTC
+ *
+ *  =========== DOCUMENTATION ===========
+ *
+ * Online html documentation available at
+ *            http://www.netlib.org/lapack/explore-html/
+ *
+ *  Definition:
+ *  ===========
+ *
+ *       COMPLEX*16 FUNCTION ZDOTC(N,ZX,INCX,ZY,INCY)
+ *
+ *       .. Scalar Arguments ..
+ *       INTEGER INCX,INCY,N
+ *       ..
+ *       .. Array Arguments ..
+ *       COMPLEX*16 ZX(*),ZY(*)
+ *       ..
+ *
+ *
+ *> \par Purpose:
+ *  =============
+ *>
+ *> \verbatim
+ *>
+ *> ZDOTC forms the dot product of a vector.
+ *> \endverbatim
+ *
+ *  Authors:
+ *  ========
+ *
+ *> \author Univ. of Tennessee
+ *> \author Univ. of California Berkeley
+ *> \author Univ. of Colorado Denver
+ *> \author NAG Ltd.
+ *
+ *> \date November 2011
+ *
+ *> \ingroup complex16_blas_level1
+ *
+ *> \par Further Details:
+ *  =====================
+ *>
+ *> \verbatim
+ *>
+ *>     jack dongarra, 3/11/78.
+ *>     modified 12/3/93, array(1) declarations changed to array(*)
+ *> \endverbatim
+ *>
+ *  =====================================================================
+       COMPLEX*16 FUNCTION ZDOTC(N,ZX,INCX,ZY,INCY)
+ *
+ *  -- Reference BLAS level1 routine (version 3.4.0) --
+ *  -- Reference BLAS is a software package provided by Univ. of Tennessee,    --
+ *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
+ *     November 2011
+ *
  *     .. Scalar Arguments ..
        INTEGER INCX,INCY,N
  *     ..
  *     .. Array Arguments ..
-       DOUBLE COMPLEX ZX(*),ZY(*)
+       COMPLEX*16 ZX(*),ZY(*)
  *     ..
  *
- *  Purpose
- *  =======
- *
- *  ZDOTC forms the dot product of a vector.
- *
- *  Further Details
- *  ===============
- *
- *     jack dongarra, 3/11/78.
- *     modified 12/3/93, array(1) declarations changed to array(*)
- *
  *  =====================================================================
  *
  *     .. Local Scalars ..
-       DOUBLE COMPLEX ZTEMP
+       COMPLEX*16 ZTEMP
        INTEGER I,IX,IY
  *     ..
  *     .. Intrinsic Functions ..
- Line 29
+ Line 74
        ZTEMP = (0.0d0,0.0d0)
        ZDOTC = (0.0d0,0.0d0)
        IF (N.LE.0) RETURN
-       IF (INCX.EQ.1 .AND. INCY.EQ.1) GO TO 20
+       IF (INCX.EQ.1 .AND. INCY.EQ.1) THEN
  *
- *        code for unequal increments or equal increments
+ *        code for both increments equal to 1
- *          not equal to 1
  *
-       IX = 1
+          DO I = 1,N
-       IY = 1
+             ZTEMP = ZTEMP + DCONJG(ZX(I))*ZY(I)
-       IF (INCX.LT.0) IX = (-N+1)*INCX + 1
+          END DO
-       IF (INCY.LT.0) IY = (-N+1)*INCY + 1
+       ELSE
-       DO 10 I = 1,N
-           ZTEMP = ZTEMP + DCONJG(ZX(IX))*ZY(IY)
-           IX = IX + INCX
-           IY = IY + INCY
-CONTINUE
-       ZDOTC = ZTEMP
-       RETURN
  *
- *        code for both increments equal to 1
+ *        code for unequal increments or equal increments
+ *          not equal to 1
  *
-DO 30 I = 1,N
+          IX = 1
-           ZTEMP = ZTEMP + DCONJG(ZX(I))*ZY(I)
+          IY = 1
-CONTINUE
+          IF (INCX.LT.0) IX = (-N+1)*INCX + 1
+          IF (INCY.LT.0) IY = (-N+1)*INCY + 1
+          DO I = 1,N
+             ZTEMP = ZTEMP + DCONJG(ZX(IX))*ZY(IY)
+             IX = IX + INCX
+             IY = IY + INCY
+          END DO
+       END IF
        ZDOTC = ZTEMP
        RETURN
        END

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