35 #ifndef TEMPLATE_LAPACK_STEBZ_HEADER 36 #define TEMPLATE_LAPACK_STEBZ_HEADER 41 *vl,
const Treal *vu,
const integer *il,
const integer *iu,
const Treal *abstol,
216 Treal d__1, d__2, d__3, d__4, d__5;
218 integer iend, ioff, iout, itmp1, j, jdisc;
224 Treal wkill, rtoli, tnorm;
284 }
else if (iorder <= 0) {
288 }
else if (irange == 2) {
292 }
else if (irange == 3 && (*il < 1 || *il >
maxMACRO(1,*n))) {
294 }
else if (irange == 3 && (*iu <
minMACRO(*n,*il) || *iu > *n)) {
319 if (irange == 3 && *il == 1 && *iu == *n) {
341 if (irange == 2 && (*vl >= d__[1] || *vu < d__[1])) {
359 for (j = 2; j <= i__1; ++j) {
365 if ((d__1 = d__[j] * d__[j - 1],
absMACRO(d__1)) * (d__2 * d__2) + safemn
367 isplit[*nsplit] = j - 1;
376 isplit[*nsplit] = *n;
394 for (j = 1; j <= i__1; ++j) {
397 d__1 =
gu, d__2 = d__[j] + tmp1 + tmp2;
400 d__1 = gl, d__2 = d__[j] - tmp1 - tmp2;
407 d__1 =
gu, d__2 = d__[*n] + tmp1;
410 d__1 = gl, d__2 = d__[*n] - tmp1;
415 gl = gl - tnorm * 2. * ulp * *n - pivmin * 4.;
416 gu = gu + tnorm * 2. * ulp * *n + pivmin * 2.;
441 &d__[1], &e[1], &work[1], &iwork[5], &work[*n + 1], &work[*n
442 + 5], &iout, &iwork[1], &w[1], &iblock[1], &iinfo);
444 if (iwork[6] == *iu) {
460 if (nwl < 0 || nwl >= *n || nwu < 1 || nwu > *n) {
474 for (j = 2; j <= i__1; ++j) {
476 d__4 = tnorm, d__5 = (d__1 = d__[j],
absMACRO(d__1)) + (d__2 = e[j - 1]
508 for (jb = 1; jb <= i__1; ++jb) {
518 if (irange == 1 || wl >= d__[ibegin] - pivmin) {
521 if (irange == 1 || wu >= d__[ibegin] - pivmin) {
524 if (irange == 1 || ( wl < d__[ibegin] - pivmin && wu >= d__[ibegin]
542 for (j = ibegin; j <= i__2; ++j) {
543 tmp2 = (d__1 = e[j],
absMACRO(d__1));
545 d__1 =
gu, d__2 = d__[j] + tmp1 + tmp2;
548 d__1 = gl, d__2 = d__[j] - tmp1 - tmp2;
555 d__1 =
gu, d__2 = d__[iend] + tmp1;
558 d__1 = gl, d__2 = d__[iend] - tmp1;
563 gl = gl - bnorm * 2. * ulp * in - pivmin * 2.;
564 gu = gu + bnorm * 2. * ulp * in + pivmin * 2.;
592 work[*n + in + 1] =
gu;
594 pivmin, &d__[ibegin], &e[ibegin], &work[ibegin], idumma, &
595 work[*n + 1], &work[*n + (in << 1) + 1], &im, &iwork[1], &
596 w[*m + 1], &iblock[*m + 1], &iinfo);
599 nwu += iwork[in + 1];
600 iwoff = *m - iwork[1];
607 pivmin, &d__[ibegin], &e[ibegin], &work[ibegin], idumma, &
608 work[*n + 1], &work[*n + (in << 1) + 1], &iout, &iwork[1],
609 &w[*m + 1], &iblock[*m + 1], &iinfo);
615 for (j = 1; j <= i__2; ++j) {
616 tmp1 = (work[j + *n] + work[j + in + *n]) * .5;
620 if (j > iout - iinfo) {
626 i__3 = iwork[j + in] + iwoff;
627 for (je = iwork[j] + 1 + iwoff; je <= i__3; ++je) {
646 idiscl = *il - 1 - nwl;
649 if (idiscl > 0 || idiscu > 0) {
651 for (je = 1; je <= i__1; ++je) {
652 if (w[je] <= wlu && idiscl > 0) {
654 }
else if (w[je] >= wul && idiscu > 0) {
659 iblock[im] = iblock[je];
665 if (idiscl > 0 || idiscu > 0) {
680 for (jdisc = 1; jdisc <= i__1; ++jdisc) {
683 for (je = 1; je <= i__2; ++je) {
684 if (iblock[je] != 0 && (w[je] < wkill || iw == 0)) {
698 for (jdisc = 1; jdisc <= i__1; ++jdisc) {
701 for (je = 1; je <= i__2; ++je) {
702 if (iblock[je] != 0 && (w[je] > wkill || iw == 0)) {
714 for (je = 1; je <= i__1; ++je) {
715 if (iblock[je] != 0) {
718 iblock[im] = iblock[je];
724 if (idiscl < 0 || idiscu < 0) {
733 if (iorder == 1 && *nsplit > 1) {
735 for (je = 1; je <= i__1; ++je) {
739 for (j = je + 1; j <= i__2; ++j) {
750 iblock[ie] = iblock[je];
static const real gu
Definition: fun-pz81.c:71
#define absMACRO(x)
Definition: template_blas_common.h:45
int template_lapack_laebz(const integer *ijob, const integer *nitmax, const integer *n, const integer *mmax, const integer *minp, const integer *nbmin, const Treal *abstol, const Treal *reltol, const Treal *pivmin, const Treal *d__, const Treal *e, const Treal *e2, integer *nval, Treal *ab, Treal *c__, integer *mout, integer *nab, Treal *work, integer *iwork, integer *info)
Definition: template_lapack_laebz.h:40
int integer
Definition: template_blas_common.h:38
integer template_lapack_ilaenv(const integer *ispec, const char *name__, const char *opts, const integer *n1, const integer *n2, const integer *n3, const integer *n4, ftnlen name_len, ftnlen opts_len)
Definition: template_lapack_common.cc:279
#define maxMACRO(a, b)
Definition: template_blas_common.h:43
#define minMACRO(a, b)
Definition: template_blas_common.h:44
int template_lapack_stebz(const char *range, const char *order, const integer *n, const Treal *vl, const Treal *vu, const integer *il, const integer *iu, const Treal *abstol, const Treal *d__, const Treal *e, integer *m, integer *nsplit, Treal *w, integer *iblock, integer *isplit, Treal *work, integer *iwork, integer *info)
Definition: template_lapack_stebz.h:40
Treal template_blas_log(Treal x)
int template_blas_erbla(const char *srname, integer *info)
Definition: template_blas_common.cc:144
Treal template_lapack_lamch(const char *cmach, Treal dummyReal)
Definition: template_lapack_lamch.h:199
bool logical
Definition: template_blas_common.h:39
#define TRUE_
Definition: template_lapack_common.h:40
#define FALSE_
Definition: template_lapack_common.h:41
int ftnlen
Definition: template_blas_common.h:40
Treal template_blas_sqrt(Treal x)
logical template_blas_lsame(const char *ca, const char *cb)
Definition: template_blas_common.cc:44