361 lines
18 KiB
C++
361 lines
18 KiB
C++
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
#include "lmp_f2c.h"
|
|
int zlasr_(char *side, char *pivot, char *direct, integer *m, integer *n, doublereal *c__,
|
|
doublereal *s, doublecomplex *a, integer *lda, ftnlen side_len, ftnlen pivot_len,
|
|
ftnlen direct_len)
|
|
{
|
|
integer a_dim1, a_offset, i__1, i__2, i__3, i__4;
|
|
doublecomplex z__1, z__2, z__3;
|
|
integer i__, j, info;
|
|
doublecomplex temp;
|
|
extern logical lsame_(char *, char *, ftnlen, ftnlen);
|
|
doublereal ctemp, stemp;
|
|
extern int xerbla_(char *, integer *, ftnlen);
|
|
--c__;
|
|
--s;
|
|
a_dim1 = *lda;
|
|
a_offset = 1 + a_dim1;
|
|
a -= a_offset;
|
|
info = 0;
|
|
if (!(lsame_(side, (char *)"L", (ftnlen)1, (ftnlen)1) || lsame_(side, (char *)"R", (ftnlen)1, (ftnlen)1))) {
|
|
info = 1;
|
|
} else if (!(lsame_(pivot, (char *)"V", (ftnlen)1, (ftnlen)1) ||
|
|
lsame_(pivot, (char *)"T", (ftnlen)1, (ftnlen)1) ||
|
|
lsame_(pivot, (char *)"B", (ftnlen)1, (ftnlen)1))) {
|
|
info = 2;
|
|
} else if (!(lsame_(direct, (char *)"F", (ftnlen)1, (ftnlen)1) ||
|
|
lsame_(direct, (char *)"B", (ftnlen)1, (ftnlen)1))) {
|
|
info = 3;
|
|
} else if (*m < 0) {
|
|
info = 4;
|
|
} else if (*n < 0) {
|
|
info = 5;
|
|
} else if (*lda < max(1, *m)) {
|
|
info = 9;
|
|
}
|
|
if (info != 0) {
|
|
xerbla_((char *)"ZLASR ", &info, (ftnlen)6);
|
|
return 0;
|
|
}
|
|
if (*m == 0 || *n == 0) {
|
|
return 0;
|
|
}
|
|
if (lsame_(side, (char *)"L", (ftnlen)1, (ftnlen)1)) {
|
|
if (lsame_(pivot, (char *)"V", (ftnlen)1, (ftnlen)1)) {
|
|
if (lsame_(direct, (char *)"F", (ftnlen)1, (ftnlen)1)) {
|
|
i__1 = *m - 1;
|
|
for (j = 1; j <= i__1; ++j) {
|
|
ctemp = c__[j];
|
|
stemp = s[j];
|
|
if (ctemp != 1. || stemp != 0.) {
|
|
i__2 = *n;
|
|
for (i__ = 1; i__ <= i__2; ++i__) {
|
|
i__3 = j + 1 + i__ * a_dim1;
|
|
temp.r = a[i__3].r, temp.i = a[i__3].i;
|
|
i__3 = j + 1 + i__ * a_dim1;
|
|
z__2.r = ctemp * temp.r, z__2.i = ctemp * temp.i;
|
|
i__4 = j + i__ * a_dim1;
|
|
z__3.r = stemp * a[i__4].r, z__3.i = stemp * a[i__4].i;
|
|
z__1.r = z__2.r - z__3.r, z__1.i = z__2.i - z__3.i;
|
|
a[i__3].r = z__1.r, a[i__3].i = z__1.i;
|
|
i__3 = j + i__ * a_dim1;
|
|
z__2.r = stemp * temp.r, z__2.i = stemp * temp.i;
|
|
i__4 = j + i__ * a_dim1;
|
|
z__3.r = ctemp * a[i__4].r, z__3.i = ctemp * a[i__4].i;
|
|
z__1.r = z__2.r + z__3.r, z__1.i = z__2.i + z__3.i;
|
|
a[i__3].r = z__1.r, a[i__3].i = z__1.i;
|
|
}
|
|
}
|
|
}
|
|
} else if (lsame_(direct, (char *)"B", (ftnlen)1, (ftnlen)1)) {
|
|
for (j = *m - 1; j >= 1; --j) {
|
|
ctemp = c__[j];
|
|
stemp = s[j];
|
|
if (ctemp != 1. || stemp != 0.) {
|
|
i__1 = *n;
|
|
for (i__ = 1; i__ <= i__1; ++i__) {
|
|
i__2 = j + 1 + i__ * a_dim1;
|
|
temp.r = a[i__2].r, temp.i = a[i__2].i;
|
|
i__2 = j + 1 + i__ * a_dim1;
|
|
z__2.r = ctemp * temp.r, z__2.i = ctemp * temp.i;
|
|
i__3 = j + i__ * a_dim1;
|
|
z__3.r = stemp * a[i__3].r, z__3.i = stemp * a[i__3].i;
|
|
z__1.r = z__2.r - z__3.r, z__1.i = z__2.i - z__3.i;
|
|
a[i__2].r = z__1.r, a[i__2].i = z__1.i;
|
|
i__2 = j + i__ * a_dim1;
|
|
z__2.r = stemp * temp.r, z__2.i = stemp * temp.i;
|
|
i__3 = j + i__ * a_dim1;
|
|
z__3.r = ctemp * a[i__3].r, z__3.i = ctemp * a[i__3].i;
|
|
z__1.r = z__2.r + z__3.r, z__1.i = z__2.i + z__3.i;
|
|
a[i__2].r = z__1.r, a[i__2].i = z__1.i;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else if (lsame_(pivot, (char *)"T", (ftnlen)1, (ftnlen)1)) {
|
|
if (lsame_(direct, (char *)"F", (ftnlen)1, (ftnlen)1)) {
|
|
i__1 = *m;
|
|
for (j = 2; j <= i__1; ++j) {
|
|
ctemp = c__[j - 1];
|
|
stemp = s[j - 1];
|
|
if (ctemp != 1. || stemp != 0.) {
|
|
i__2 = *n;
|
|
for (i__ = 1; i__ <= i__2; ++i__) {
|
|
i__3 = j + i__ * a_dim1;
|
|
temp.r = a[i__3].r, temp.i = a[i__3].i;
|
|
i__3 = j + i__ * a_dim1;
|
|
z__2.r = ctemp * temp.r, z__2.i = ctemp * temp.i;
|
|
i__4 = i__ * a_dim1 + 1;
|
|
z__3.r = stemp * a[i__4].r, z__3.i = stemp * a[i__4].i;
|
|
z__1.r = z__2.r - z__3.r, z__1.i = z__2.i - z__3.i;
|
|
a[i__3].r = z__1.r, a[i__3].i = z__1.i;
|
|
i__3 = i__ * a_dim1 + 1;
|
|
z__2.r = stemp * temp.r, z__2.i = stemp * temp.i;
|
|
i__4 = i__ * a_dim1 + 1;
|
|
z__3.r = ctemp * a[i__4].r, z__3.i = ctemp * a[i__4].i;
|
|
z__1.r = z__2.r + z__3.r, z__1.i = z__2.i + z__3.i;
|
|
a[i__3].r = z__1.r, a[i__3].i = z__1.i;
|
|
}
|
|
}
|
|
}
|
|
} else if (lsame_(direct, (char *)"B", (ftnlen)1, (ftnlen)1)) {
|
|
for (j = *m; j >= 2; --j) {
|
|
ctemp = c__[j - 1];
|
|
stemp = s[j - 1];
|
|
if (ctemp != 1. || stemp != 0.) {
|
|
i__1 = *n;
|
|
for (i__ = 1; i__ <= i__1; ++i__) {
|
|
i__2 = j + i__ * a_dim1;
|
|
temp.r = a[i__2].r, temp.i = a[i__2].i;
|
|
i__2 = j + i__ * a_dim1;
|
|
z__2.r = ctemp * temp.r, z__2.i = ctemp * temp.i;
|
|
i__3 = i__ * a_dim1 + 1;
|
|
z__3.r = stemp * a[i__3].r, z__3.i = stemp * a[i__3].i;
|
|
z__1.r = z__2.r - z__3.r, z__1.i = z__2.i - z__3.i;
|
|
a[i__2].r = z__1.r, a[i__2].i = z__1.i;
|
|
i__2 = i__ * a_dim1 + 1;
|
|
z__2.r = stemp * temp.r, z__2.i = stemp * temp.i;
|
|
i__3 = i__ * a_dim1 + 1;
|
|
z__3.r = ctemp * a[i__3].r, z__3.i = ctemp * a[i__3].i;
|
|
z__1.r = z__2.r + z__3.r, z__1.i = z__2.i + z__3.i;
|
|
a[i__2].r = z__1.r, a[i__2].i = z__1.i;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else if (lsame_(pivot, (char *)"B", (ftnlen)1, (ftnlen)1)) {
|
|
if (lsame_(direct, (char *)"F", (ftnlen)1, (ftnlen)1)) {
|
|
i__1 = *m - 1;
|
|
for (j = 1; j <= i__1; ++j) {
|
|
ctemp = c__[j];
|
|
stemp = s[j];
|
|
if (ctemp != 1. || stemp != 0.) {
|
|
i__2 = *n;
|
|
for (i__ = 1; i__ <= i__2; ++i__) {
|
|
i__3 = j + i__ * a_dim1;
|
|
temp.r = a[i__3].r, temp.i = a[i__3].i;
|
|
i__3 = j + i__ * a_dim1;
|
|
i__4 = *m + i__ * a_dim1;
|
|
z__2.r = stemp * a[i__4].r, z__2.i = stemp * a[i__4].i;
|
|
z__3.r = ctemp * temp.r, z__3.i = ctemp * temp.i;
|
|
z__1.r = z__2.r + z__3.r, z__1.i = z__2.i + z__3.i;
|
|
a[i__3].r = z__1.r, a[i__3].i = z__1.i;
|
|
i__3 = *m + i__ * a_dim1;
|
|
i__4 = *m + i__ * a_dim1;
|
|
z__2.r = ctemp * a[i__4].r, z__2.i = ctemp * a[i__4].i;
|
|
z__3.r = stemp * temp.r, z__3.i = stemp * temp.i;
|
|
z__1.r = z__2.r - z__3.r, z__1.i = z__2.i - z__3.i;
|
|
a[i__3].r = z__1.r, a[i__3].i = z__1.i;
|
|
}
|
|
}
|
|
}
|
|
} else if (lsame_(direct, (char *)"B", (ftnlen)1, (ftnlen)1)) {
|
|
for (j = *m - 1; j >= 1; --j) {
|
|
ctemp = c__[j];
|
|
stemp = s[j];
|
|
if (ctemp != 1. || stemp != 0.) {
|
|
i__1 = *n;
|
|
for (i__ = 1; i__ <= i__1; ++i__) {
|
|
i__2 = j + i__ * a_dim1;
|
|
temp.r = a[i__2].r, temp.i = a[i__2].i;
|
|
i__2 = j + i__ * a_dim1;
|
|
i__3 = *m + i__ * a_dim1;
|
|
z__2.r = stemp * a[i__3].r, z__2.i = stemp * a[i__3].i;
|
|
z__3.r = ctemp * temp.r, z__3.i = ctemp * temp.i;
|
|
z__1.r = z__2.r + z__3.r, z__1.i = z__2.i + z__3.i;
|
|
a[i__2].r = z__1.r, a[i__2].i = z__1.i;
|
|
i__2 = *m + i__ * a_dim1;
|
|
i__3 = *m + i__ * a_dim1;
|
|
z__2.r = ctemp * a[i__3].r, z__2.i = ctemp * a[i__3].i;
|
|
z__3.r = stemp * temp.r, z__3.i = stemp * temp.i;
|
|
z__1.r = z__2.r - z__3.r, z__1.i = z__2.i - z__3.i;
|
|
a[i__2].r = z__1.r, a[i__2].i = z__1.i;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else if (lsame_(side, (char *)"R", (ftnlen)1, (ftnlen)1)) {
|
|
if (lsame_(pivot, (char *)"V", (ftnlen)1, (ftnlen)1)) {
|
|
if (lsame_(direct, (char *)"F", (ftnlen)1, (ftnlen)1)) {
|
|
i__1 = *n - 1;
|
|
for (j = 1; j <= i__1; ++j) {
|
|
ctemp = c__[j];
|
|
stemp = s[j];
|
|
if (ctemp != 1. || stemp != 0.) {
|
|
i__2 = *m;
|
|
for (i__ = 1; i__ <= i__2; ++i__) {
|
|
i__3 = i__ + (j + 1) * a_dim1;
|
|
temp.r = a[i__3].r, temp.i = a[i__3].i;
|
|
i__3 = i__ + (j + 1) * a_dim1;
|
|
z__2.r = ctemp * temp.r, z__2.i = ctemp * temp.i;
|
|
i__4 = i__ + j * a_dim1;
|
|
z__3.r = stemp * a[i__4].r, z__3.i = stemp * a[i__4].i;
|
|
z__1.r = z__2.r - z__3.r, z__1.i = z__2.i - z__3.i;
|
|
a[i__3].r = z__1.r, a[i__3].i = z__1.i;
|
|
i__3 = i__ + j * a_dim1;
|
|
z__2.r = stemp * temp.r, z__2.i = stemp * temp.i;
|
|
i__4 = i__ + j * a_dim1;
|
|
z__3.r = ctemp * a[i__4].r, z__3.i = ctemp * a[i__4].i;
|
|
z__1.r = z__2.r + z__3.r, z__1.i = z__2.i + z__3.i;
|
|
a[i__3].r = z__1.r, a[i__3].i = z__1.i;
|
|
}
|
|
}
|
|
}
|
|
} else if (lsame_(direct, (char *)"B", (ftnlen)1, (ftnlen)1)) {
|
|
for (j = *n - 1; j >= 1; --j) {
|
|
ctemp = c__[j];
|
|
stemp = s[j];
|
|
if (ctemp != 1. || stemp != 0.) {
|
|
i__1 = *m;
|
|
for (i__ = 1; i__ <= i__1; ++i__) {
|
|
i__2 = i__ + (j + 1) * a_dim1;
|
|
temp.r = a[i__2].r, temp.i = a[i__2].i;
|
|
i__2 = i__ + (j + 1) * a_dim1;
|
|
z__2.r = ctemp * temp.r, z__2.i = ctemp * temp.i;
|
|
i__3 = i__ + j * a_dim1;
|
|
z__3.r = stemp * a[i__3].r, z__3.i = stemp * a[i__3].i;
|
|
z__1.r = z__2.r - z__3.r, z__1.i = z__2.i - z__3.i;
|
|
a[i__2].r = z__1.r, a[i__2].i = z__1.i;
|
|
i__2 = i__ + j * a_dim1;
|
|
z__2.r = stemp * temp.r, z__2.i = stemp * temp.i;
|
|
i__3 = i__ + j * a_dim1;
|
|
z__3.r = ctemp * a[i__3].r, z__3.i = ctemp * a[i__3].i;
|
|
z__1.r = z__2.r + z__3.r, z__1.i = z__2.i + z__3.i;
|
|
a[i__2].r = z__1.r, a[i__2].i = z__1.i;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else if (lsame_(pivot, (char *)"T", (ftnlen)1, (ftnlen)1)) {
|
|
if (lsame_(direct, (char *)"F", (ftnlen)1, (ftnlen)1)) {
|
|
i__1 = *n;
|
|
for (j = 2; j <= i__1; ++j) {
|
|
ctemp = c__[j - 1];
|
|
stemp = s[j - 1];
|
|
if (ctemp != 1. || stemp != 0.) {
|
|
i__2 = *m;
|
|
for (i__ = 1; i__ <= i__2; ++i__) {
|
|
i__3 = i__ + j * a_dim1;
|
|
temp.r = a[i__3].r, temp.i = a[i__3].i;
|
|
i__3 = i__ + j * a_dim1;
|
|
z__2.r = ctemp * temp.r, z__2.i = ctemp * temp.i;
|
|
i__4 = i__ + a_dim1;
|
|
z__3.r = stemp * a[i__4].r, z__3.i = stemp * a[i__4].i;
|
|
z__1.r = z__2.r - z__3.r, z__1.i = z__2.i - z__3.i;
|
|
a[i__3].r = z__1.r, a[i__3].i = z__1.i;
|
|
i__3 = i__ + a_dim1;
|
|
z__2.r = stemp * temp.r, z__2.i = stemp * temp.i;
|
|
i__4 = i__ + a_dim1;
|
|
z__3.r = ctemp * a[i__4].r, z__3.i = ctemp * a[i__4].i;
|
|
z__1.r = z__2.r + z__3.r, z__1.i = z__2.i + z__3.i;
|
|
a[i__3].r = z__1.r, a[i__3].i = z__1.i;
|
|
}
|
|
}
|
|
}
|
|
} else if (lsame_(direct, (char *)"B", (ftnlen)1, (ftnlen)1)) {
|
|
for (j = *n; j >= 2; --j) {
|
|
ctemp = c__[j - 1];
|
|
stemp = s[j - 1];
|
|
if (ctemp != 1. || stemp != 0.) {
|
|
i__1 = *m;
|
|
for (i__ = 1; i__ <= i__1; ++i__) {
|
|
i__2 = i__ + j * a_dim1;
|
|
temp.r = a[i__2].r, temp.i = a[i__2].i;
|
|
i__2 = i__ + j * a_dim1;
|
|
z__2.r = ctemp * temp.r, z__2.i = ctemp * temp.i;
|
|
i__3 = i__ + a_dim1;
|
|
z__3.r = stemp * a[i__3].r, z__3.i = stemp * a[i__3].i;
|
|
z__1.r = z__2.r - z__3.r, z__1.i = z__2.i - z__3.i;
|
|
a[i__2].r = z__1.r, a[i__2].i = z__1.i;
|
|
i__2 = i__ + a_dim1;
|
|
z__2.r = stemp * temp.r, z__2.i = stemp * temp.i;
|
|
i__3 = i__ + a_dim1;
|
|
z__3.r = ctemp * a[i__3].r, z__3.i = ctemp * a[i__3].i;
|
|
z__1.r = z__2.r + z__3.r, z__1.i = z__2.i + z__3.i;
|
|
a[i__2].r = z__1.r, a[i__2].i = z__1.i;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else if (lsame_(pivot, (char *)"B", (ftnlen)1, (ftnlen)1)) {
|
|
if (lsame_(direct, (char *)"F", (ftnlen)1, (ftnlen)1)) {
|
|
i__1 = *n - 1;
|
|
for (j = 1; j <= i__1; ++j) {
|
|
ctemp = c__[j];
|
|
stemp = s[j];
|
|
if (ctemp != 1. || stemp != 0.) {
|
|
i__2 = *m;
|
|
for (i__ = 1; i__ <= i__2; ++i__) {
|
|
i__3 = i__ + j * a_dim1;
|
|
temp.r = a[i__3].r, temp.i = a[i__3].i;
|
|
i__3 = i__ + j * a_dim1;
|
|
i__4 = i__ + *n * a_dim1;
|
|
z__2.r = stemp * a[i__4].r, z__2.i = stemp * a[i__4].i;
|
|
z__3.r = ctemp * temp.r, z__3.i = ctemp * temp.i;
|
|
z__1.r = z__2.r + z__3.r, z__1.i = z__2.i + z__3.i;
|
|
a[i__3].r = z__1.r, a[i__3].i = z__1.i;
|
|
i__3 = i__ + *n * a_dim1;
|
|
i__4 = i__ + *n * a_dim1;
|
|
z__2.r = ctemp * a[i__4].r, z__2.i = ctemp * a[i__4].i;
|
|
z__3.r = stemp * temp.r, z__3.i = stemp * temp.i;
|
|
z__1.r = z__2.r - z__3.r, z__1.i = z__2.i - z__3.i;
|
|
a[i__3].r = z__1.r, a[i__3].i = z__1.i;
|
|
}
|
|
}
|
|
}
|
|
} else if (lsame_(direct, (char *)"B", (ftnlen)1, (ftnlen)1)) {
|
|
for (j = *n - 1; j >= 1; --j) {
|
|
ctemp = c__[j];
|
|
stemp = s[j];
|
|
if (ctemp != 1. || stemp != 0.) {
|
|
i__1 = *m;
|
|
for (i__ = 1; i__ <= i__1; ++i__) {
|
|
i__2 = i__ + j * a_dim1;
|
|
temp.r = a[i__2].r, temp.i = a[i__2].i;
|
|
i__2 = i__ + j * a_dim1;
|
|
i__3 = i__ + *n * a_dim1;
|
|
z__2.r = stemp * a[i__3].r, z__2.i = stemp * a[i__3].i;
|
|
z__3.r = ctemp * temp.r, z__3.i = ctemp * temp.i;
|
|
z__1.r = z__2.r + z__3.r, z__1.i = z__2.i + z__3.i;
|
|
a[i__2].r = z__1.r, a[i__2].i = z__1.i;
|
|
i__2 = i__ + *n * a_dim1;
|
|
i__3 = i__ + *n * a_dim1;
|
|
z__2.r = ctemp * a[i__3].r, z__2.i = ctemp * a[i__3].i;
|
|
z__3.r = stemp * temp.r, z__3.i = stemp * temp.i;
|
|
z__1.r = z__2.r - z__3.r, z__1.i = z__2.i - z__3.i;
|
|
a[i__2].r = z__1.r, a[i__2].i = z__1.i;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|