211 lines
10 KiB
C++
211 lines
10 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 doublereal c_b4 = -1.;
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static doublereal c_b5 = 1.;
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static integer c__1 = 1;
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static doublereal c_b16 = 0.;
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int dlabrd_(integer *m, integer *n, integer *nb, doublereal *a, integer *lda, doublereal *d__,
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doublereal *e, doublereal *tauq, doublereal *taup, doublereal *x, integer *ldx,
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doublereal *y, integer *ldy)
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{
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integer a_dim1, a_offset, x_dim1, x_offset, y_dim1, y_offset, i__1, i__2, i__3;
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integer i__;
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extern int dscal_(integer *, doublereal *, doublereal *, integer *),
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dgemv_(char *, integer *, integer *, doublereal *, doublereal *, integer *, doublereal *,
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integer *, doublereal *, doublereal *, integer *, ftnlen),
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dlarfg_(integer *, doublereal *, doublereal *, integer *, doublereal *);
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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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--d__;
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--e;
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--tauq;
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--taup;
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x_dim1 = *ldx;
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x_offset = 1 + x_dim1;
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x -= x_offset;
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y_dim1 = *ldy;
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y_offset = 1 + y_dim1;
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y -= y_offset;
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if (*m <= 0 || *n <= 0) {
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return 0;
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}
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if (*m >= *n) {
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i__1 = *nb;
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for (i__ = 1; i__ <= i__1; ++i__) {
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i__2 = *m - i__ + 1;
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i__3 = i__ - 1;
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dgemv_((char *)"No transpose", &i__2, &i__3, &c_b4, &a[i__ + a_dim1], lda, &y[i__ + y_dim1],
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ldy, &c_b5, &a[i__ + i__ * a_dim1], &c__1, (ftnlen)12);
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i__2 = *m - i__ + 1;
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i__3 = i__ - 1;
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dgemv_((char *)"No transpose", &i__2, &i__3, &c_b4, &x[i__ + x_dim1], ldx, &a[i__ * a_dim1 + 1],
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&c__1, &c_b5, &a[i__ + i__ * a_dim1], &c__1, (ftnlen)12);
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i__2 = *m - i__ + 1;
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i__3 = i__ + 1;
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dlarfg_(&i__2, &a[i__ + i__ * a_dim1], &a[min(i__3, *m) + i__ * a_dim1], &c__1,
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&tauq[i__]);
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d__[i__] = a[i__ + i__ * a_dim1];
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if (i__ < *n) {
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a[i__ + i__ * a_dim1] = 1.;
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i__2 = *m - i__ + 1;
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i__3 = *n - i__;
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dgemv_((char *)"Transpose", &i__2, &i__3, &c_b5, &a[i__ + (i__ + 1) * a_dim1], lda,
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&a[i__ + i__ * a_dim1], &c__1, &c_b16, &y[i__ + 1 + i__ * y_dim1], &c__1,
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(ftnlen)9);
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i__2 = *m - i__ + 1;
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i__3 = i__ - 1;
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dgemv_((char *)"Transpose", &i__2, &i__3, &c_b5, &a[i__ + a_dim1], lda,
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&a[i__ + i__ * a_dim1], &c__1, &c_b16, &y[i__ * y_dim1 + 1], &c__1,
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(ftnlen)9);
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i__2 = *n - i__;
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i__3 = i__ - 1;
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dgemv_((char *)"No transpose", &i__2, &i__3, &c_b4, &y[i__ + 1 + y_dim1], ldy,
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&y[i__ * y_dim1 + 1], &c__1, &c_b5, &y[i__ + 1 + i__ * y_dim1], &c__1,
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(ftnlen)12);
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i__2 = *m - i__ + 1;
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i__3 = i__ - 1;
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dgemv_((char *)"Transpose", &i__2, &i__3, &c_b5, &x[i__ + x_dim1], ldx,
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&a[i__ + i__ * a_dim1], &c__1, &c_b16, &y[i__ * y_dim1 + 1], &c__1,
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(ftnlen)9);
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i__2 = i__ - 1;
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i__3 = *n - i__;
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dgemv_((char *)"Transpose", &i__2, &i__3, &c_b4, &a[(i__ + 1) * a_dim1 + 1], lda,
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&y[i__ * y_dim1 + 1], &c__1, &c_b5, &y[i__ + 1 + i__ * y_dim1], &c__1,
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(ftnlen)9);
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i__2 = *n - i__;
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dscal_(&i__2, &tauq[i__], &y[i__ + 1 + i__ * y_dim1], &c__1);
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i__2 = *n - i__;
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dgemv_((char *)"No transpose", &i__2, &i__, &c_b4, &y[i__ + 1 + y_dim1], ldy,
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&a[i__ + a_dim1], lda, &c_b5, &a[i__ + (i__ + 1) * a_dim1], lda, (ftnlen)12);
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i__2 = i__ - 1;
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i__3 = *n - i__;
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dgemv_((char *)"Transpose", &i__2, &i__3, &c_b4, &a[(i__ + 1) * a_dim1 + 1], lda,
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&x[i__ + x_dim1], ldx, &c_b5, &a[i__ + (i__ + 1) * a_dim1], lda, (ftnlen)9);
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i__2 = *n - i__;
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i__3 = i__ + 2;
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dlarfg_(&i__2, &a[i__ + (i__ + 1) * a_dim1], &a[i__ + min(i__3, *n) * a_dim1], lda,
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&taup[i__]);
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e[i__] = a[i__ + (i__ + 1) * a_dim1];
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a[i__ + (i__ + 1) * a_dim1] = 1.;
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i__2 = *m - i__;
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i__3 = *n - i__;
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dgemv_((char *)"No transpose", &i__2, &i__3, &c_b5, &a[i__ + 1 + (i__ + 1) * a_dim1], lda,
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&a[i__ + (i__ + 1) * a_dim1], lda, &c_b16, &x[i__ + 1 + i__ * x_dim1], &c__1,
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(ftnlen)12);
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i__2 = *n - i__;
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dgemv_((char *)"Transpose", &i__2, &i__, &c_b5, &y[i__ + 1 + y_dim1], ldy,
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&a[i__ + (i__ + 1) * a_dim1], lda, &c_b16, &x[i__ * x_dim1 + 1], &c__1,
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(ftnlen)9);
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i__2 = *m - i__;
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dgemv_((char *)"No transpose", &i__2, &i__, &c_b4, &a[i__ + 1 + a_dim1], lda,
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&x[i__ * x_dim1 + 1], &c__1, &c_b5, &x[i__ + 1 + i__ * x_dim1], &c__1,
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(ftnlen)12);
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i__2 = i__ - 1;
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i__3 = *n - i__;
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dgemv_((char *)"No transpose", &i__2, &i__3, &c_b5, &a[(i__ + 1) * a_dim1 + 1], lda,
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&a[i__ + (i__ + 1) * a_dim1], lda, &c_b16, &x[i__ * x_dim1 + 1], &c__1,
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(ftnlen)12);
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i__2 = *m - i__;
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i__3 = i__ - 1;
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dgemv_((char *)"No transpose", &i__2, &i__3, &c_b4, &x[i__ + 1 + x_dim1], ldx,
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&x[i__ * x_dim1 + 1], &c__1, &c_b5, &x[i__ + 1 + i__ * x_dim1], &c__1,
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(ftnlen)12);
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i__2 = *m - i__;
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dscal_(&i__2, &taup[i__], &x[i__ + 1 + i__ * x_dim1], &c__1);
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}
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}
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} else {
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i__1 = *nb;
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for (i__ = 1; i__ <= i__1; ++i__) {
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i__2 = *n - i__ + 1;
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i__3 = i__ - 1;
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dgemv_((char *)"No transpose", &i__2, &i__3, &c_b4, &y[i__ + y_dim1], ldy, &a[i__ + a_dim1],
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lda, &c_b5, &a[i__ + i__ * a_dim1], lda, (ftnlen)12);
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i__2 = i__ - 1;
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i__3 = *n - i__ + 1;
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dgemv_((char *)"Transpose", &i__2, &i__3, &c_b4, &a[i__ * a_dim1 + 1], lda, &x[i__ + x_dim1],
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ldx, &c_b5, &a[i__ + i__ * a_dim1], lda, (ftnlen)9);
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i__2 = *n - i__ + 1;
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i__3 = i__ + 1;
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dlarfg_(&i__2, &a[i__ + i__ * a_dim1], &a[i__ + min(i__3, *n) * a_dim1], lda,
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&taup[i__]);
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d__[i__] = a[i__ + i__ * a_dim1];
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if (i__ < *m) {
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a[i__ + i__ * a_dim1] = 1.;
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i__2 = *m - i__;
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i__3 = *n - i__ + 1;
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dgemv_((char *)"No transpose", &i__2, &i__3, &c_b5, &a[i__ + 1 + i__ * a_dim1], lda,
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&a[i__ + i__ * a_dim1], lda, &c_b16, &x[i__ + 1 + i__ * x_dim1], &c__1,
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(ftnlen)12);
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i__2 = *n - i__ + 1;
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i__3 = i__ - 1;
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dgemv_((char *)"Transpose", &i__2, &i__3, &c_b5, &y[i__ + y_dim1], ldy,
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&a[i__ + i__ * a_dim1], lda, &c_b16, &x[i__ * x_dim1 + 1], &c__1, (ftnlen)9);
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i__2 = *m - i__;
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i__3 = i__ - 1;
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dgemv_((char *)"No transpose", &i__2, &i__3, &c_b4, &a[i__ + 1 + a_dim1], lda,
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&x[i__ * x_dim1 + 1], &c__1, &c_b5, &x[i__ + 1 + i__ * x_dim1], &c__1,
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(ftnlen)12);
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i__2 = i__ - 1;
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i__3 = *n - i__ + 1;
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dgemv_((char *)"No transpose", &i__2, &i__3, &c_b5, &a[i__ * a_dim1 + 1], lda,
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&a[i__ + i__ * a_dim1], lda, &c_b16, &x[i__ * x_dim1 + 1], &c__1,
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(ftnlen)12);
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i__2 = *m - i__;
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i__3 = i__ - 1;
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dgemv_((char *)"No transpose", &i__2, &i__3, &c_b4, &x[i__ + 1 + x_dim1], ldx,
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&x[i__ * x_dim1 + 1], &c__1, &c_b5, &x[i__ + 1 + i__ * x_dim1], &c__1,
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(ftnlen)12);
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i__2 = *m - i__;
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dscal_(&i__2, &taup[i__], &x[i__ + 1 + i__ * x_dim1], &c__1);
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i__2 = *m - i__;
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i__3 = i__ - 1;
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dgemv_((char *)"No transpose", &i__2, &i__3, &c_b4, &a[i__ + 1 + a_dim1], lda,
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&y[i__ + y_dim1], ldy, &c_b5, &a[i__ + 1 + i__ * a_dim1], &c__1, (ftnlen)12);
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i__2 = *m - i__;
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dgemv_((char *)"No transpose", &i__2, &i__, &c_b4, &x[i__ + 1 + x_dim1], ldx,
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&a[i__ * a_dim1 + 1], &c__1, &c_b5, &a[i__ + 1 + i__ * a_dim1], &c__1,
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(ftnlen)12);
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i__2 = *m - i__;
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i__3 = i__ + 2;
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dlarfg_(&i__2, &a[i__ + 1 + i__ * a_dim1], &a[min(i__3, *m) + i__ * a_dim1], &c__1,
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&tauq[i__]);
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e[i__] = a[i__ + 1 + i__ * a_dim1];
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a[i__ + 1 + i__ * a_dim1] = 1.;
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i__2 = *m - i__;
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i__3 = *n - i__;
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dgemv_((char *)"Transpose", &i__2, &i__3, &c_b5, &a[i__ + 1 + (i__ + 1) * a_dim1], lda,
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&a[i__ + 1 + i__ * a_dim1], &c__1, &c_b16, &y[i__ + 1 + i__ * y_dim1], &c__1,
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(ftnlen)9);
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i__2 = *m - i__;
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i__3 = i__ - 1;
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dgemv_((char *)"Transpose", &i__2, &i__3, &c_b5, &a[i__ + 1 + a_dim1], lda,
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&a[i__ + 1 + i__ * a_dim1], &c__1, &c_b16, &y[i__ * y_dim1 + 1], &c__1,
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(ftnlen)9);
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i__2 = *n - i__;
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i__3 = i__ - 1;
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dgemv_((char *)"No transpose", &i__2, &i__3, &c_b4, &y[i__ + 1 + y_dim1], ldy,
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&y[i__ * y_dim1 + 1], &c__1, &c_b5, &y[i__ + 1 + i__ * y_dim1], &c__1,
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(ftnlen)12);
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i__2 = *m - i__;
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dgemv_((char *)"Transpose", &i__2, &i__, &c_b5, &x[i__ + 1 + x_dim1], ldx,
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&a[i__ + 1 + i__ * a_dim1], &c__1, &c_b16, &y[i__ * y_dim1 + 1], &c__1,
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(ftnlen)9);
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i__2 = *n - i__;
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dgemv_((char *)"Transpose", &i__, &i__2, &c_b4, &a[(i__ + 1) * a_dim1 + 1], lda,
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&y[i__ * y_dim1 + 1], &c__1, &c_b5, &y[i__ + 1 + i__ * y_dim1], &c__1,
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(ftnlen)9);
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i__2 = *n - i__;
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dscal_(&i__2, &tauq[i__], &y[i__ + 1 + i__ * y_dim1], &c__1);
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}
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}
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}
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return 0;
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}
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#ifdef __cplusplus
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}
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#endif
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