mirror of
https://github.com/OpenMathLib/OpenBLAS
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160 lines
4.0 KiB
C
160 lines
4.0 KiB
C
/***************************************************************************
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Copyright (c) 2013, The OpenBLAS Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#include "common.h"
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int CNAME(BLASLONG n, FLOAT *dx, BLASLONG incx, FLOAT *dy, BLASLONG incy, FLOAT *dparam)
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{
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BLASLONG i__1, i__2;
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BLASLONG i__;
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FLOAT w, z__;
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BLASLONG kx, ky;
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FLOAT dh11, dh12, dh22, dh21, dflag;
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BLASLONG nsteps;
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--dparam;
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--dy;
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--dx;
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dflag = dparam[1];
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if (n <= 0 || dflag == - 2.0) goto L140;
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if (! (incx == incy && incx > 0)) goto L70;
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nsteps = n * incx;
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if (dflag < 0.) {
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goto L50;
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} else if (dflag == 0) {
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goto L10;
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} else {
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goto L30;
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}
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L10:
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dh12 = dparam[4];
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dh21 = dparam[3];
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i__1 = nsteps;
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i__2 = incx;
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for (i__ = 1; i__2 < 0 ? i__ >= i__1 : i__ <= i__1; i__ += i__2) {
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w = dx[i__];
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z__ = dy[i__];
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dx[i__] = w + z__ * dh12;
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dy[i__] = w * dh21 + z__;
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/* L20: */
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}
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goto L140;
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L30:
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dh11 = dparam[2];
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dh22 = dparam[5];
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i__2 = nsteps;
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i__1 = incx;
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for (i__ = 1; i__1 < 0 ? i__ >= i__2 : i__ <= i__2; i__ += i__1) {
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w = dx[i__];
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z__ = dy[i__];
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dx[i__] = w * dh11 + z__;
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dy[i__] = -w + dh22 * z__;
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/* L40: */
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}
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goto L140;
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L50:
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dh11 = dparam[2];
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dh12 = dparam[4];
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dh21 = dparam[3];
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dh22 = dparam[5];
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i__1 = nsteps;
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i__2 = incx;
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for (i__ = 1; i__2 < 0 ? i__ >= i__1 : i__ <= i__1; i__ += i__2) {
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w = dx[i__];
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z__ = dy[i__];
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dx[i__] = w * dh11 + z__ * dh12;
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dy[i__] = w * dh21 + z__ * dh22;
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/* L60: */
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}
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goto L140;
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L70:
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kx = 1;
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ky = 1;
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if (incx < 0) {
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kx = (1 - n) * incx + 1;
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}
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if (incy < 0) {
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ky = (1 - n) * incy + 1;
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}
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if (dflag < 0.) {
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goto L120;
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} else if (dflag == 0) {
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goto L80;
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} else {
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goto L100;
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}
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L80:
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dh12 = dparam[4];
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dh21 = dparam[3];
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i__2 = n;
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for (i__ = 1; i__ <= i__2; ++i__) {
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w = dx[kx];
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z__ = dy[ky];
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dx[kx] = w + z__ * dh12;
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dy[ky] = w * dh21 + z__;
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kx += incx;
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ky += incy;
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/* L90: */
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}
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goto L140;
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L100:
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dh11 = dparam[2];
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dh22 = dparam[5];
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i__2 = n;
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for (i__ = 1; i__ <= i__2; ++i__) {
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w = dx[kx];
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z__ = dy[ky];
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dx[kx] = w * dh11 + z__;
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dy[ky] = -w + dh22 * z__;
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kx += incx;
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ky += incy;
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/* L110: */
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}
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goto L140;
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L120:
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dh11 = dparam[2];
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dh12 = dparam[4];
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dh21 = dparam[3];
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dh22 = dparam[5];
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i__2 = n;
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for (i__ = 1; i__ <= i__2; ++i__) {
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w = dx[kx];
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z__ = dy[ky];
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dx[kx] = w * dh11 + z__ * dh12;
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dy[ky] = w * dh21 + z__ * dh22;
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kx += incx;
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ky += incy;
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/* L130: */
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}
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L140:
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return(0);
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}
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