444 lines
21 KiB
C++
444 lines
21 KiB
C++
#ifdef __cplusplus
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extern "C" {
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#endif
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#include "lmp_f2c.h"
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static doublecomplex c_b1 = {1., 0.};
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int ztrsm_(char *side, char *uplo, char *transa, char *diag, integer *m, integer *n,
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doublecomplex *alpha, doublecomplex *a, integer *lda, doublecomplex *b, integer *ldb,
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ftnlen side_len, ftnlen uplo_len, ftnlen transa_len, ftnlen diag_len)
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{
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integer a_dim1, a_offset, b_dim1, b_offset, i__1, i__2, i__3, i__4, i__5, i__6, i__7;
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doublecomplex z__1, z__2, z__3;
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void z_lmp_div(doublecomplex *, doublecomplex *, doublecomplex *),
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d_lmp_cnjg(doublecomplex *, doublecomplex *);
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integer i__, j, k, info;
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doublecomplex temp;
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logical lside;
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extern logical lsame_(char *, char *, ftnlen, ftnlen);
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integer nrowa;
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logical upper;
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extern int xerbla_(char *, integer *, ftnlen);
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logical noconj, nounit;
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a_dim1 = *lda;
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a_offset = 1 + a_dim1;
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a -= a_offset;
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b_dim1 = *ldb;
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b_offset = 1 + b_dim1;
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b -= b_offset;
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lside = lsame_(side, (char *)"L", (ftnlen)1, (ftnlen)1);
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if (lside) {
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nrowa = *m;
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} else {
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nrowa = *n;
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}
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noconj = lsame_(transa, (char *)"T", (ftnlen)1, (ftnlen)1);
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nounit = lsame_(diag, (char *)"N", (ftnlen)1, (ftnlen)1);
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upper = lsame_(uplo, (char *)"U", (ftnlen)1, (ftnlen)1);
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info = 0;
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if (!lside && !lsame_(side, (char *)"R", (ftnlen)1, (ftnlen)1)) {
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info = 1;
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} else if (!upper && !lsame_(uplo, (char *)"L", (ftnlen)1, (ftnlen)1)) {
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info = 2;
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} else if (!lsame_(transa, (char *)"N", (ftnlen)1, (ftnlen)1) &&
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!lsame_(transa, (char *)"T", (ftnlen)1, (ftnlen)1) &&
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!lsame_(transa, (char *)"C", (ftnlen)1, (ftnlen)1)) {
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info = 3;
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} else if (!lsame_(diag, (char *)"U", (ftnlen)1, (ftnlen)1) &&
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!lsame_(diag, (char *)"N", (ftnlen)1, (ftnlen)1)) {
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info = 4;
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} else if (*m < 0) {
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info = 5;
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} else if (*n < 0) {
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info = 6;
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} else if (*lda < max(1, nrowa)) {
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info = 9;
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} else if (*ldb < max(1, *m)) {
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info = 11;
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}
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if (info != 0) {
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xerbla_((char *)"ZTRSM ", &info, (ftnlen)6);
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return 0;
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}
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if (*m == 0 || *n == 0) {
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return 0;
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}
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if (alpha->r == 0. && alpha->i == 0.) {
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i__1 = *n;
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for (j = 1; j <= i__1; ++j) {
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i__2 = *m;
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for (i__ = 1; i__ <= i__2; ++i__) {
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i__3 = i__ + j * b_dim1;
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b[i__3].r = 0., b[i__3].i = 0.;
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}
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}
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return 0;
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}
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if (lside) {
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if (lsame_(transa, (char *)"N", (ftnlen)1, (ftnlen)1)) {
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if (upper) {
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i__1 = *n;
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for (j = 1; j <= i__1; ++j) {
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if (alpha->r != 1. || alpha->i != 0.) {
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i__2 = *m;
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for (i__ = 1; i__ <= i__2; ++i__) {
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i__3 = i__ + j * b_dim1;
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i__4 = i__ + j * b_dim1;
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z__1.r = alpha->r * b[i__4].r - alpha->i * b[i__4].i,
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z__1.i = alpha->r * b[i__4].i + alpha->i * b[i__4].r;
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b[i__3].r = z__1.r, b[i__3].i = z__1.i;
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}
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}
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for (k = *m; k >= 1; --k) {
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i__2 = k + j * b_dim1;
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if (b[i__2].r != 0. || b[i__2].i != 0.) {
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if (nounit) {
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i__2 = k + j * b_dim1;
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z_lmp_div(&z__1, &b[k + j * b_dim1], &a[k + k * a_dim1]);
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b[i__2].r = z__1.r, b[i__2].i = z__1.i;
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}
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i__2 = k - 1;
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for (i__ = 1; i__ <= i__2; ++i__) {
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i__3 = i__ + j * b_dim1;
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i__4 = i__ + j * b_dim1;
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i__5 = k + j * b_dim1;
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i__6 = i__ + k * a_dim1;
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z__2.r = b[i__5].r * a[i__6].r - b[i__5].i * a[i__6].i,
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z__2.i = b[i__5].r * a[i__6].i + b[i__5].i * a[i__6].r;
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z__1.r = b[i__4].r - z__2.r, z__1.i = b[i__4].i - z__2.i;
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b[i__3].r = z__1.r, b[i__3].i = z__1.i;
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}
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}
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}
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}
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} else {
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i__1 = *n;
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for (j = 1; j <= i__1; ++j) {
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if (alpha->r != 1. || alpha->i != 0.) {
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i__2 = *m;
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for (i__ = 1; i__ <= i__2; ++i__) {
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i__3 = i__ + j * b_dim1;
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i__4 = i__ + j * b_dim1;
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z__1.r = alpha->r * b[i__4].r - alpha->i * b[i__4].i,
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z__1.i = alpha->r * b[i__4].i + alpha->i * b[i__4].r;
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b[i__3].r = z__1.r, b[i__3].i = z__1.i;
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}
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}
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i__2 = *m;
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for (k = 1; k <= i__2; ++k) {
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i__3 = k + j * b_dim1;
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if (b[i__3].r != 0. || b[i__3].i != 0.) {
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if (nounit) {
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i__3 = k + j * b_dim1;
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z_lmp_div(&z__1, &b[k + j * b_dim1], &a[k + k * a_dim1]);
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b[i__3].r = z__1.r, b[i__3].i = z__1.i;
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}
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i__3 = *m;
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for (i__ = k + 1; i__ <= i__3; ++i__) {
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i__4 = i__ + j * b_dim1;
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i__5 = i__ + j * b_dim1;
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i__6 = k + j * b_dim1;
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i__7 = i__ + k * a_dim1;
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z__2.r = b[i__6].r * a[i__7].r - b[i__6].i * a[i__7].i,
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z__2.i = b[i__6].r * a[i__7].i + b[i__6].i * a[i__7].r;
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z__1.r = b[i__5].r - z__2.r, z__1.i = b[i__5].i - z__2.i;
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b[i__4].r = z__1.r, b[i__4].i = z__1.i;
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}
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}
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}
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}
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}
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} else {
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if (upper) {
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i__1 = *n;
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for (j = 1; j <= i__1; ++j) {
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i__2 = *m;
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for (i__ = 1; i__ <= i__2; ++i__) {
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i__3 = i__ + j * b_dim1;
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z__1.r = alpha->r * b[i__3].r - alpha->i * b[i__3].i,
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z__1.i = alpha->r * b[i__3].i + alpha->i * b[i__3].r;
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temp.r = z__1.r, temp.i = z__1.i;
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if (noconj) {
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i__3 = i__ - 1;
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for (k = 1; k <= i__3; ++k) {
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i__4 = k + i__ * a_dim1;
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i__5 = k + j * b_dim1;
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z__2.r = a[i__4].r * b[i__5].r - a[i__4].i * b[i__5].i,
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z__2.i = a[i__4].r * b[i__5].i + a[i__4].i * b[i__5].r;
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z__1.r = temp.r - z__2.r, z__1.i = temp.i - z__2.i;
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temp.r = z__1.r, temp.i = z__1.i;
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}
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if (nounit) {
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z_lmp_div(&z__1, &temp, &a[i__ + i__ * a_dim1]);
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temp.r = z__1.r, temp.i = z__1.i;
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}
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} else {
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i__3 = i__ - 1;
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for (k = 1; k <= i__3; ++k) {
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d_lmp_cnjg(&z__3, &a[k + i__ * a_dim1]);
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i__4 = k + j * b_dim1;
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z__2.r = z__3.r * b[i__4].r - z__3.i * b[i__4].i,
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z__2.i = z__3.r * b[i__4].i + z__3.i * b[i__4].r;
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z__1.r = temp.r - z__2.r, z__1.i = temp.i - z__2.i;
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temp.r = z__1.r, temp.i = z__1.i;
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}
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if (nounit) {
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d_lmp_cnjg(&z__2, &a[i__ + i__ * a_dim1]);
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z_lmp_div(&z__1, &temp, &z__2);
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temp.r = z__1.r, temp.i = z__1.i;
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}
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}
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i__3 = i__ + j * b_dim1;
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b[i__3].r = temp.r, b[i__3].i = temp.i;
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}
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}
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} else {
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i__1 = *n;
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for (j = 1; j <= i__1; ++j) {
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for (i__ = *m; i__ >= 1; --i__) {
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i__2 = i__ + j * b_dim1;
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z__1.r = alpha->r * b[i__2].r - alpha->i * b[i__2].i,
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z__1.i = alpha->r * b[i__2].i + alpha->i * b[i__2].r;
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temp.r = z__1.r, temp.i = z__1.i;
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if (noconj) {
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i__2 = *m;
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for (k = i__ + 1; k <= i__2; ++k) {
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i__3 = k + i__ * a_dim1;
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i__4 = k + j * b_dim1;
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z__2.r = a[i__3].r * b[i__4].r - a[i__3].i * b[i__4].i,
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z__2.i = a[i__3].r * b[i__4].i + a[i__3].i * b[i__4].r;
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z__1.r = temp.r - z__2.r, z__1.i = temp.i - z__2.i;
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temp.r = z__1.r, temp.i = z__1.i;
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}
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if (nounit) {
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z_lmp_div(&z__1, &temp, &a[i__ + i__ * a_dim1]);
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temp.r = z__1.r, temp.i = z__1.i;
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}
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} else {
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i__2 = *m;
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for (k = i__ + 1; k <= i__2; ++k) {
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d_lmp_cnjg(&z__3, &a[k + i__ * a_dim1]);
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i__3 = k + j * b_dim1;
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z__2.r = z__3.r * b[i__3].r - z__3.i * b[i__3].i,
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z__2.i = z__3.r * b[i__3].i + z__3.i * b[i__3].r;
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z__1.r = temp.r - z__2.r, z__1.i = temp.i - z__2.i;
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temp.r = z__1.r, temp.i = z__1.i;
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}
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if (nounit) {
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d_lmp_cnjg(&z__2, &a[i__ + i__ * a_dim1]);
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z_lmp_div(&z__1, &temp, &z__2);
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temp.r = z__1.r, temp.i = z__1.i;
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}
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}
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i__2 = i__ + j * b_dim1;
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b[i__2].r = temp.r, b[i__2].i = temp.i;
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}
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}
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}
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}
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} else {
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if (lsame_(transa, (char *)"N", (ftnlen)1, (ftnlen)1)) {
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if (upper) {
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i__1 = *n;
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for (j = 1; j <= i__1; ++j) {
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if (alpha->r != 1. || alpha->i != 0.) {
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i__2 = *m;
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for (i__ = 1; i__ <= i__2; ++i__) {
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i__3 = i__ + j * b_dim1;
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i__4 = i__ + j * b_dim1;
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z__1.r = alpha->r * b[i__4].r - alpha->i * b[i__4].i,
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z__1.i = alpha->r * b[i__4].i + alpha->i * b[i__4].r;
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b[i__3].r = z__1.r, b[i__3].i = z__1.i;
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}
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}
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i__2 = j - 1;
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for (k = 1; k <= i__2; ++k) {
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i__3 = k + j * a_dim1;
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if (a[i__3].r != 0. || a[i__3].i != 0.) {
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i__3 = *m;
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for (i__ = 1; i__ <= i__3; ++i__) {
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i__4 = i__ + j * b_dim1;
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i__5 = i__ + j * b_dim1;
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i__6 = k + j * a_dim1;
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i__7 = i__ + k * b_dim1;
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z__2.r = a[i__6].r * b[i__7].r - a[i__6].i * b[i__7].i,
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z__2.i = a[i__6].r * b[i__7].i + a[i__6].i * b[i__7].r;
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z__1.r = b[i__5].r - z__2.r, z__1.i = b[i__5].i - z__2.i;
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b[i__4].r = z__1.r, b[i__4].i = z__1.i;
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}
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}
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}
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if (nounit) {
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z_lmp_div(&z__1, &c_b1, &a[j + j * a_dim1]);
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temp.r = z__1.r, temp.i = z__1.i;
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i__2 = *m;
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for (i__ = 1; i__ <= i__2; ++i__) {
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i__3 = i__ + j * b_dim1;
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i__4 = i__ + j * b_dim1;
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z__1.r = temp.r * b[i__4].r - temp.i * b[i__4].i,
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z__1.i = temp.r * b[i__4].i + temp.i * b[i__4].r;
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b[i__3].r = z__1.r, b[i__3].i = z__1.i;
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}
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}
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}
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} else {
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for (j = *n; j >= 1; --j) {
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if (alpha->r != 1. || alpha->i != 0.) {
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i__1 = *m;
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for (i__ = 1; i__ <= i__1; ++i__) {
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i__2 = i__ + j * b_dim1;
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i__3 = i__ + j * b_dim1;
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z__1.r = alpha->r * b[i__3].r - alpha->i * b[i__3].i,
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z__1.i = alpha->r * b[i__3].i + alpha->i * b[i__3].r;
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b[i__2].r = z__1.r, b[i__2].i = z__1.i;
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}
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}
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i__1 = *n;
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for (k = j + 1; k <= i__1; ++k) {
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i__2 = k + j * a_dim1;
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if (a[i__2].r != 0. || a[i__2].i != 0.) {
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i__2 = *m;
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for (i__ = 1; i__ <= i__2; ++i__) {
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i__3 = i__ + j * b_dim1;
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i__4 = i__ + j * b_dim1;
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i__5 = k + j * a_dim1;
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i__6 = i__ + k * b_dim1;
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z__2.r = a[i__5].r * b[i__6].r - a[i__5].i * b[i__6].i,
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z__2.i = a[i__5].r * b[i__6].i + a[i__5].i * b[i__6].r;
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z__1.r = b[i__4].r - z__2.r, z__1.i = b[i__4].i - z__2.i;
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b[i__3].r = z__1.r, b[i__3].i = z__1.i;
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}
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}
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}
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if (nounit) {
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z_lmp_div(&z__1, &c_b1, &a[j + j * a_dim1]);
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temp.r = z__1.r, temp.i = z__1.i;
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i__1 = *m;
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for (i__ = 1; i__ <= i__1; ++i__) {
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i__2 = i__ + j * b_dim1;
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i__3 = i__ + j * b_dim1;
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z__1.r = temp.r * b[i__3].r - temp.i * b[i__3].i,
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z__1.i = temp.r * b[i__3].i + temp.i * b[i__3].r;
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b[i__2].r = z__1.r, b[i__2].i = z__1.i;
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}
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}
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}
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}
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} else {
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if (upper) {
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for (k = *n; k >= 1; --k) {
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if (nounit) {
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if (noconj) {
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z_lmp_div(&z__1, &c_b1, &a[k + k * a_dim1]);
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temp.r = z__1.r, temp.i = z__1.i;
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} else {
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d_lmp_cnjg(&z__2, &a[k + k * a_dim1]);
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z_lmp_div(&z__1, &c_b1, &z__2);
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temp.r = z__1.r, temp.i = z__1.i;
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}
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i__1 = *m;
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for (i__ = 1; i__ <= i__1; ++i__) {
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i__2 = i__ + k * b_dim1;
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i__3 = i__ + k * b_dim1;
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z__1.r = temp.r * b[i__3].r - temp.i * b[i__3].i,
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z__1.i = temp.r * b[i__3].i + temp.i * b[i__3].r;
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b[i__2].r = z__1.r, b[i__2].i = z__1.i;
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}
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}
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i__1 = k - 1;
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for (j = 1; j <= i__1; ++j) {
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i__2 = j + k * a_dim1;
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if (a[i__2].r != 0. || a[i__2].i != 0.) {
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if (noconj) {
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i__2 = j + k * a_dim1;
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temp.r = a[i__2].r, temp.i = a[i__2].i;
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} else {
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d_lmp_cnjg(&z__1, &a[j + k * a_dim1]);
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temp.r = z__1.r, temp.i = z__1.i;
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}
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i__2 = *m;
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for (i__ = 1; i__ <= i__2; ++i__) {
|
|
i__3 = i__ + j * b_dim1;
|
|
i__4 = i__ + j * b_dim1;
|
|
i__5 = i__ + k * b_dim1;
|
|
z__2.r = temp.r * b[i__5].r - temp.i * b[i__5].i,
|
|
z__2.i = temp.r * b[i__5].i + temp.i * b[i__5].r;
|
|
z__1.r = b[i__4].r - z__2.r, z__1.i = b[i__4].i - z__2.i;
|
|
b[i__3].r = z__1.r, b[i__3].i = z__1.i;
|
|
}
|
|
}
|
|
}
|
|
if (alpha->r != 1. || alpha->i != 0.) {
|
|
i__1 = *m;
|
|
for (i__ = 1; i__ <= i__1; ++i__) {
|
|
i__2 = i__ + k * b_dim1;
|
|
i__3 = i__ + k * b_dim1;
|
|
z__1.r = alpha->r * b[i__3].r - alpha->i * b[i__3].i,
|
|
z__1.i = alpha->r * b[i__3].i + alpha->i * b[i__3].r;
|
|
b[i__2].r = z__1.r, b[i__2].i = z__1.i;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
i__1 = *n;
|
|
for (k = 1; k <= i__1; ++k) {
|
|
if (nounit) {
|
|
if (noconj) {
|
|
z_lmp_div(&z__1, &c_b1, &a[k + k * a_dim1]);
|
|
temp.r = z__1.r, temp.i = z__1.i;
|
|
} else {
|
|
d_lmp_cnjg(&z__2, &a[k + k * a_dim1]);
|
|
z_lmp_div(&z__1, &c_b1, &z__2);
|
|
temp.r = z__1.r, temp.i = z__1.i;
|
|
}
|
|
i__2 = *m;
|
|
for (i__ = 1; i__ <= i__2; ++i__) {
|
|
i__3 = i__ + k * b_dim1;
|
|
i__4 = i__ + k * b_dim1;
|
|
z__1.r = temp.r * b[i__4].r - temp.i * b[i__4].i,
|
|
z__1.i = temp.r * b[i__4].i + temp.i * b[i__4].r;
|
|
b[i__3].r = z__1.r, b[i__3].i = z__1.i;
|
|
}
|
|
}
|
|
i__2 = *n;
|
|
for (j = k + 1; j <= i__2; ++j) {
|
|
i__3 = j + k * a_dim1;
|
|
if (a[i__3].r != 0. || a[i__3].i != 0.) {
|
|
if (noconj) {
|
|
i__3 = j + k * a_dim1;
|
|
temp.r = a[i__3].r, temp.i = a[i__3].i;
|
|
} else {
|
|
d_lmp_cnjg(&z__1, &a[j + k * a_dim1]);
|
|
temp.r = z__1.r, temp.i = z__1.i;
|
|
}
|
|
i__3 = *m;
|
|
for (i__ = 1; i__ <= i__3; ++i__) {
|
|
i__4 = i__ + j * b_dim1;
|
|
i__5 = i__ + j * b_dim1;
|
|
i__6 = i__ + k * b_dim1;
|
|
z__2.r = temp.r * b[i__6].r - temp.i * b[i__6].i,
|
|
z__2.i = temp.r * b[i__6].i + temp.i * b[i__6].r;
|
|
z__1.r = b[i__5].r - z__2.r, z__1.i = b[i__5].i - z__2.i;
|
|
b[i__4].r = z__1.r, b[i__4].i = z__1.i;
|
|
}
|
|
}
|
|
}
|
|
if (alpha->r != 1. || alpha->i != 0.) {
|
|
i__2 = *m;
|
|
for (i__ = 1; i__ <= i__2; ++i__) {
|
|
i__3 = i__ + k * b_dim1;
|
|
i__4 = i__ + k * b_dim1;
|
|
z__1.r = alpha->r * b[i__4].r - alpha->i * b[i__4].i,
|
|
z__1.i = alpha->r * b[i__4].i + alpha->i * b[i__4].r;
|
|
b[i__3].r = z__1.r, b[i__3].i = z__1.i;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|