97 lines
2.7 KiB
C++
97 lines
2.7 KiB
C++
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
#include "lmp_f2c.h"
|
|
static integer c__1 = 1;
|
|
int zunm2l_(char *side, char *trans, integer *m, integer *n, integer *k, doublecomplex *a,
|
|
integer *lda, doublecomplex *tau, doublecomplex *c__, integer *ldc, doublecomplex *work,
|
|
integer *info, ftnlen side_len, ftnlen trans_len)
|
|
{
|
|
integer a_dim1, a_offset, c_dim1, c_offset, i__1, i__2, i__3;
|
|
doublecomplex z__1;
|
|
void d_lmp_cnjg(doublecomplex *, doublecomplex *);
|
|
integer i__, i1, i2, i3, mi, ni, nq;
|
|
logical left;
|
|
doublecomplex taui;
|
|
extern logical lsame_(char *, char *, ftnlen, ftnlen);
|
|
extern int xerbla_(char *, integer *, ftnlen);
|
|
logical notran;
|
|
extern int zlarf1l_(char *, integer *, integer *, doublecomplex *, integer *, doublecomplex *,
|
|
doublecomplex *, integer *, doublecomplex *, ftnlen);
|
|
a_dim1 = *lda;
|
|
a_offset = 1 + a_dim1;
|
|
a -= a_offset;
|
|
--tau;
|
|
c_dim1 = *ldc;
|
|
c_offset = 1 + c_dim1;
|
|
c__ -= c_offset;
|
|
--work;
|
|
*info = 0;
|
|
left = lsame_(side, (char *)"L", (ftnlen)1, (ftnlen)1);
|
|
notran = lsame_(trans, (char *)"N", (ftnlen)1, (ftnlen)1);
|
|
if (left) {
|
|
nq = *m;
|
|
} else {
|
|
nq = *n;
|
|
}
|
|
if (!left && !lsame_(side, (char *)"R", (ftnlen)1, (ftnlen)1)) {
|
|
*info = -1;
|
|
} else if (!notran && !lsame_(trans, (char *)"C", (ftnlen)1, (ftnlen)1)) {
|
|
*info = -2;
|
|
} else if (*m < 0) {
|
|
*info = -3;
|
|
} else if (*n < 0) {
|
|
*info = -4;
|
|
} else if (*k < 0 || *k > nq) {
|
|
*info = -5;
|
|
} else if (*lda < max(1, nq)) {
|
|
*info = -7;
|
|
} else if (*ldc < max(1, *m)) {
|
|
*info = -10;
|
|
}
|
|
if (*info != 0) {
|
|
i__1 = -(*info);
|
|
xerbla_((char *)"ZUNM2L", &i__1, (ftnlen)6);
|
|
return 0;
|
|
}
|
|
if (*m == 0 || *n == 0 || *k == 0) {
|
|
return 0;
|
|
}
|
|
if (left && notran || !left && !notran) {
|
|
i1 = 1;
|
|
i2 = *k;
|
|
i3 = 1;
|
|
} else {
|
|
i1 = *k;
|
|
i2 = 1;
|
|
i3 = -1;
|
|
}
|
|
if (left) {
|
|
ni = *n;
|
|
} else {
|
|
mi = *m;
|
|
}
|
|
i__1 = i2;
|
|
i__2 = i3;
|
|
for (i__ = i1; i__2 < 0 ? i__ >= i__1 : i__ <= i__1; i__ += i__2) {
|
|
if (left) {
|
|
mi = *m - *k + i__;
|
|
} else {
|
|
ni = *n - *k + i__;
|
|
}
|
|
if (notran) {
|
|
i__3 = i__;
|
|
taui.r = tau[i__3].r, taui.i = tau[i__3].i;
|
|
} else {
|
|
d_lmp_cnjg(&z__1, &tau[i__]);
|
|
taui.r = z__1.r, taui.i = z__1.i;
|
|
}
|
|
zlarf1l_(side, &mi, &ni, &a[i__ * a_dim1 + 1], &c__1, &taui, &c__[c_offset], ldc, &work[1],
|
|
(ftnlen)1);
|
|
}
|
|
return 0;
|
|
}
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|