#ifdef __cplusplus extern "C" { #endif #include "lmp_f2c.h" static integer c__2 = 2; static integer c__1 = 1; static doublereal c_b10 = 1.; static doublereal c_b11 = 0.; static integer c_n1 = -1; int dlaed7_(integer *icompq, integer *n, integer *qsiz, integer *tlvls, integer *curlvl, integer *curpbm, doublereal *d__, doublereal *q, integer *ldq, integer *indxq, doublereal *rho, integer *cutpnt, doublereal *qstore, integer *qptr, integer *prmptr, integer *perm, integer *givptr, integer *givcol, doublereal *givnum, doublereal *work, integer *iwork, integer *info) { integer q_dim1, q_offset, i__1, i__2; integer pow_lmp_ii(integer *, integer *); integer i__, k, n1, n2, is, iw, iz, iq2, ptr, ldq2, indx, curr; extern int dgemm_(char *, char *, integer *, integer *, integer *, doublereal *, doublereal *, integer *, doublereal *, integer *, doublereal *, doublereal *, integer *, ftnlen, ftnlen); integer indxc, indxp; extern int dlaed8_(integer *, integer *, integer *, integer *, doublereal *, doublereal *, integer *, integer *, doublereal *, integer *, doublereal *, doublereal *, doublereal *, integer *, doublereal *, integer *, integer *, integer *, doublereal *, integer *, integer *, integer *), dlaed9_(integer *, integer *, integer *, integer *, doublereal *, doublereal *, integer *, doublereal *, doublereal *, doublereal *, doublereal *, integer *, integer *), dlaeda_(integer *, integer *, integer *, integer *, integer *, integer *, integer *, integer *, doublereal *, doublereal *, integer *, doublereal *, doublereal *, integer *); integer idlmda; extern int dlamrg_(integer *, integer *, doublereal *, integer *, integer *, integer *), xerbla_(char *, integer *, ftnlen); integer coltyp; --d__; q_dim1 = *ldq; q_offset = 1 + q_dim1; q -= q_offset; --indxq; --qstore; --qptr; --prmptr; --perm; --givptr; givcol -= 3; givnum -= 3; --work; --iwork; *info = 0; if (*icompq < 0 || *icompq > 1) { *info = -1; } else if (*n < 0) { *info = -2; } else if (*icompq == 1 && *qsiz < *n) { *info = -3; } else if (*ldq < max(1, *n)) { *info = -9; } else if (min(1, *n) > *cutpnt || *n < *cutpnt) { *info = -12; } if (*info != 0) { i__1 = -(*info); xerbla_((char *)"DLAED7", &i__1, (ftnlen)6); return 0; } if (*n == 0) { return 0; } if (*icompq == 1) { ldq2 = *qsiz; } else { ldq2 = *n; } iz = 1; idlmda = iz + *n; iw = idlmda + *n; iq2 = iw + *n; is = iq2 + *n * ldq2; indx = 1; indxc = indx + *n; coltyp = indxc + *n; indxp = coltyp + *n; ptr = pow_lmp_ii(&c__2, tlvls) + 1; i__1 = *curlvl - 1; for (i__ = 1; i__ <= i__1; ++i__) { i__2 = *tlvls - i__; ptr += pow_lmp_ii(&c__2, &i__2); } curr = ptr + *curpbm; dlaeda_(n, tlvls, curlvl, curpbm, &prmptr[1], &perm[1], &givptr[1], &givcol[3], &givnum[3], &qstore[1], &qptr[1], &work[iz], &work[iz + *n], info); if (*curlvl == *tlvls) { qptr[curr] = 1; prmptr[curr] = 1; givptr[curr] = 1; } dlaed8_(icompq, &k, n, qsiz, &d__[1], &q[q_offset], ldq, &indxq[1], rho, cutpnt, &work[iz], &work[idlmda], &work[iq2], &ldq2, &work[iw], &perm[prmptr[curr]], &givptr[curr + 1], &givcol[(givptr[curr] << 1) + 1], &givnum[(givptr[curr] << 1) + 1], &iwork[indxp], &iwork[indx], info); prmptr[curr + 1] = prmptr[curr] + *n; givptr[curr + 1] += givptr[curr]; if (k != 0) { dlaed9_(&k, &c__1, &k, n, &d__[1], &work[is], &k, rho, &work[idlmda], &work[iw], &qstore[qptr[curr]], &k, info); if (*info != 0) { goto L30; } if (*icompq == 1) { dgemm_((char *)"N", (char *)"N", qsiz, &k, &k, &c_b10, &work[iq2], &ldq2, &qstore[qptr[curr]], &k, &c_b11, &q[q_offset], ldq, (ftnlen)1, (ftnlen)1); } i__1 = k; qptr[curr + 1] = qptr[curr] + i__1 * i__1; n1 = k; n2 = *n - k; dlamrg_(&n1, &n2, &d__[1], &c__1, &c_n1, &indxq[1]); } else { qptr[curr + 1] = qptr[curr]; i__1 = *n; for (i__ = 1; i__ <= i__1; ++i__) { indxq[i__] = i__; } } L30: return 0; } #ifdef __cplusplus } #endif