OpenBLAS/interface/rotm.c at v0.3.21 · OpenMathLib/OpenBLAS · GitHub

Name: OpenBLAS/interface/rotm.c at v0.3.21 · OpenMathLib/OpenBLAS · GitHub
Rating: 4.9 (3883 reviews)
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#include"common.h"
#ifdefFUNCTION_PROFILE
#include"functable.h"
#endif

#ifndefCBLAS

voidNAME(blasint*N, FLOAT*dx, blasint*INCX, FLOAT*dy, blasint*INCY, FLOAT*dparam){

blasintn=*N;
blasintincx=*INCX;
blasintincy=*INCY;

#else

voidCNAME(blasintn, FLOAT*dx, blasintincx, FLOAT*dy, blasintincy, FLOAT*dparam){

#endif

blasinti__1, i__2;

blasinti__;
FLOATw, z__;
blasintkx, ky;
FLOATdh11, dh12, dh22, dh21, dflag;
blasintnsteps;

#ifndefCBLAS
PRINT_DEBUG_CNAME;
#else
PRINT_DEBUG_CNAME;
#endif

--dparam;
--dy;
--dx;

dflag=dparam[1];
if (n <= 0||dflag==-2.0) goto L140;

if (! (incx==incy&&incx>0)) goto L70;

nsteps=n*incx;
if (dflag<0.) {
 goto L50;
 } elseif (dflag==0) {
 goto L10;
 } else {
 goto L30;
 }
L10:
dh12=dparam[4];
dh21=dparam[3];
i__1=nsteps;
i__2=incx;
for (i__=1; i__2<0 ? i__ >= i__1 : i__ <= i__1; i__+=i__2) {
w=dx[i__];
z__=dy[i__];
dx[i__] =w+z__*dh12;
dy[i__] =w*dh21+z__;
/* L20: */
 }
 goto L140;
L30:
dh11=dparam[2];
dh22=dparam[5];
i__2=nsteps;
i__1=incx;
for (i__=1; i__1<0 ? i__ >= i__2 : i__ <= i__2; i__+=i__1) {
w=dx[i__];
z__=dy[i__];
dx[i__] =w*dh11+z__;
dy[i__] =-w+dh22*z__;
/* L40: */
 }
 goto L140;
L50:
dh11=dparam[2];
dh12=dparam[4];
dh21=dparam[3];
dh22=dparam[5];
i__1=nsteps;
i__2=incx;
for (i__=1; i__2<0 ? i__ >= i__1 : i__ <= i__1; i__+=i__2) {
w=dx[i__];
z__=dy[i__];
dx[i__] =w*dh11+z__*dh12;
dy[i__] =w*dh21+z__*dh22;
/* L60: */
 }
 goto L140;
L70:
kx=1;
ky=1;
if (incx<0) {
kx= (1-n) *incx+1;
 }
if (incy<0) {
ky= (1-n) *incy+1;
 }

if (dflag<0.) {
 goto L120;
 } elseif (dflag==0) {
 goto L80;
 } else {
 goto L100;
 }
L80:
dh12=dparam[4];
dh21=dparam[3];
i__2=n;
for (i__=1; i__ <= i__2; ++i__) {
w=dx[kx];
z__=dy[ky];
dx[kx] =w+z__*dh12;
dy[ky] =w*dh21+z__;
kx+=incx;
ky+=incy;
/* L90: */
 }
 goto L140;
L100:
dh11=dparam[2];
dh22=dparam[5];
i__2=n;
for (i__=1; i__ <= i__2; ++i__) {
w=dx[kx];
z__=dy[ky];
dx[kx] =w*dh11+z__;
dy[ky] =-w+dh22*z__;
kx+=incx;
ky+=incy;
/* L110: */
 }
 goto L140;
L120:
dh11=dparam[2];
dh12=dparam[4];
dh21=dparam[3];
dh22=dparam[5];
i__2=n;
for (i__=1; i__ <= i__2; ++i__) {
w=dx[kx];
z__=dy[ky];
dx[kx] =w*dh11+z__*dh12;
dy[ky] =w*dh21+z__*dh22;
kx+=incx;
ky+=incy;
/* L130: */
 }
L140:
return;
}