whitespace fixes
This commit is contained in:
Axel Kohlmeyer
@ -1,13 +1,13 @@
|
||||
/* fortran/zlaed0.f -- translated by f2c (version 20200916).
|
||||
You must link the resulting object file with libf2c:
|
||||
on Microsoft Windows system, link with libf2c.lib;
|
||||
on Linux or Unix systems, link with .../path/to/libf2c.a -lm
|
||||
or, if you install libf2c.a in a standard place, with -lf2c -lm
|
||||
-- in that order, at the end of the command line, as in
|
||||
cc *.o -lf2c -lm
|
||||
Source for libf2c is in /netlib/f2c/libf2c.zip, e.g.,
|
||||
on Microsoft Windows system, link with libf2c.lib;
|
||||
on Linux or Unix systems, link with .../path/to/libf2c.a -lm
|
||||
or, if you install libf2c.a in a standard place, with -lf2c -lm
|
||||
-- in that order, at the end of the command line, as in
|
||||
cc *.o -lf2c -lm
|
||||
Source for libf2c is in /netlib/f2c/libf2c.zip, e.g.,
|
||||
|
||||
http://www.netlib.org/f2c/libf2c.zip
|
||||
http://www.netlib.org/f2c/libf2c.zip
|
||||
*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
@ -22,7 +22,7 @@ static integer c__0 = 0;
|
||||
static integer c__2 = 2;
|
||||
static integer c__1 = 1;
|
||||
|
||||
/* > \brief \b ZLAED0 used by ZSTEDC. Computes all eigenvalues and corresponding eigenvectors of an unreduced
|
||||
/* > \brief \b ZLAED0 used by ZSTEDC. Computes all eigenvalues and corresponding eigenvectors of an unreduced
|
||||
symmetric tridiagonal matrix using the divide and conquer method. */
|
||||
|
||||
/* =========== DOCUMENTATION =========== */
|
||||
@ -168,9 +168,9 @@ f"> */
|
||||
/* > \ingroup complex16OTHERcomputational */
|
||||
|
||||
/* ===================================================================== */
|
||||
/* Subroutine */ int zlaed0_(integer *qsiz, integer *n, doublereal *d__,
|
||||
doublereal *e, doublecomplex *q, integer *ldq, doublecomplex *qstore,
|
||||
integer *ldqs, doublereal *rwork, integer *iwork, integer *info)
|
||||
/* Subroutine */ int zlaed0_(integer *qsiz, integer *n, doublereal *d__,
|
||||
doublereal *e, doublecomplex *q, integer *ldq, doublecomplex *qstore,
|
||||
integer *ldqs, doublereal *rwork, integer *iwork, integer *info)
|
||||
{
|
||||
/* System generated locals */
|
||||
integer q_dim1, q_offset, qstore_dim1, qstore_offset, i__1, i__2;
|
||||
@ -184,27 +184,27 @@ f"> */
|
||||
integer i__, j, k, ll, iq, lgn, msd2, smm1, spm1, spm2;
|
||||
doublereal temp;
|
||||
integer curr, iperm;
|
||||
extern /* Subroutine */ int dcopy_(integer *, doublereal *, integer *,
|
||||
doublereal *, integer *);
|
||||
extern /* Subroutine */ int dcopy_(integer *, doublereal *, integer *,
|
||||
doublereal *, integer *);
|
||||
integer indxq, iwrem, iqptr, tlvls;
|
||||
extern /* Subroutine */ int zcopy_(integer *, doublecomplex *, integer *,
|
||||
doublecomplex *, integer *), zlaed7_(integer *, integer *,
|
||||
integer *, integer *, integer *, integer *, doublereal *,
|
||||
doublecomplex *, integer *, doublereal *, integer *, doublereal *,
|
||||
integer *, integer *, integer *, integer *, integer *,
|
||||
doublereal *, doublecomplex *, doublereal *, integer *, integer *)
|
||||
;
|
||||
extern /* Subroutine */ int zcopy_(integer *, doublecomplex *, integer *,
|
||||
doublecomplex *, integer *), zlaed7_(integer *, integer *,
|
||||
integer *, integer *, integer *, integer *, doublereal *,
|
||||
doublecomplex *, integer *, doublereal *, integer *, doublereal *,
|
||||
integer *, integer *, integer *, integer *, integer *,
|
||||
doublereal *, doublecomplex *, doublereal *, integer *, integer *)
|
||||
;
|
||||
integer igivcl;
|
||||
extern /* Subroutine */ int xerbla_(char *, integer *, ftnlen);
|
||||
extern integer ilaenv_(integer *, char *, char *, integer *, integer *,
|
||||
integer *, integer *, ftnlen, ftnlen);
|
||||
extern integer ilaenv_(integer *, char *, char *, integer *, integer *,
|
||||
integer *, integer *, ftnlen, ftnlen);
|
||||
extern /* Subroutine */ int zlacrm_(integer *, integer *, doublecomplex *,
|
||||
integer *, doublereal *, integer *, doublecomplex *, integer *,
|
||||
doublereal *);
|
||||
integer *, doublereal *, integer *, doublecomplex *, integer *,
|
||||
doublereal *);
|
||||
integer igivnm, submat, curprb, subpbs, igivpt;
|
||||
extern /* Subroutine */ int dsteqr_(char *, integer *, doublereal *,
|
||||
doublereal *, doublereal *, integer *, doublereal *, integer *,
|
||||
ftnlen);
|
||||
extern /* Subroutine */ int dsteqr_(char *, integer *, doublereal *,
|
||||
doublereal *, doublereal *, integer *, doublereal *, integer *,
|
||||
ftnlen);
|
||||
integer curlvl, matsiz, iprmpt, smlsiz;
|
||||
|
||||
|
||||
@ -255,28 +255,28 @@ f"> */
|
||||
/* ELSE IF( ( ICOMPQ .EQ. 1 ) .AND. ( QSIZ .LT. MAX( 0, N ) ) ) */
|
||||
/* $ THEN */
|
||||
if (*qsiz < max(0,*n)) {
|
||||
*info = -1;
|
||||
*info = -1;
|
||||
} else if (*n < 0) {
|
||||
*info = -2;
|
||||
*info = -2;
|
||||
} else if (*ldq < max(1,*n)) {
|
||||
*info = -6;
|
||||
*info = -6;
|
||||
} else if (*ldqs < max(1,*n)) {
|
||||
*info = -8;
|
||||
*info = -8;
|
||||
}
|
||||
if (*info != 0) {
|
||||
i__1 = -(*info);
|
||||
xerbla_((char *)"ZLAED0", &i__1, (ftnlen)6);
|
||||
return 0;
|
||||
i__1 = -(*info);
|
||||
xerbla_((char *)"ZLAED0", &i__1, (ftnlen)6);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Quick return if possible */
|
||||
|
||||
if (*n == 0) {
|
||||
return 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
smlsiz = ilaenv_(&c__9, (char *)"ZLAED0", (char *)" ", &c__0, &c__0, &c__0, &c__0, (
|
||||
ftnlen)6, (ftnlen)1);
|
||||
ftnlen)6, (ftnlen)1);
|
||||
|
||||
/* Determine the size and placement of the submatrices, and save in */
|
||||
/* the leading elements of IWORK. */
|
||||
@ -286,18 +286,18 @@ f"> */
|
||||
tlvls = 0;
|
||||
L10:
|
||||
if (iwork[subpbs] > smlsiz) {
|
||||
for (j = subpbs; j >= 1; --j) {
|
||||
iwork[j * 2] = (iwork[j] + 1) / 2;
|
||||
iwork[(j << 1) - 1] = iwork[j] / 2;
|
||||
for (j = subpbs; j >= 1; --j) {
|
||||
iwork[j * 2] = (iwork[j] + 1) / 2;
|
||||
iwork[(j << 1) - 1] = iwork[j] / 2;
|
||||
/* L20: */
|
||||
}
|
||||
++tlvls;
|
||||
subpbs <<= 1;
|
||||
goto L10;
|
||||
}
|
||||
++tlvls;
|
||||
subpbs <<= 1;
|
||||
goto L10;
|
||||
}
|
||||
i__1 = subpbs;
|
||||
for (j = 2; j <= i__1; ++j) {
|
||||
iwork[j] += iwork[j - 1];
|
||||
iwork[j] += iwork[j - 1];
|
||||
/* L30: */
|
||||
}
|
||||
|
||||
@ -307,10 +307,10 @@ L10:
|
||||
spm1 = subpbs - 1;
|
||||
i__1 = spm1;
|
||||
for (i__ = 1; i__ <= i__1; ++i__) {
|
||||
submat = iwork[i__] + 1;
|
||||
smm1 = submat - 1;
|
||||
d__[smm1] -= (d__1 = e[smm1], abs(d__1));
|
||||
d__[submat] -= (d__1 = e[smm1], abs(d__1));
|
||||
submat = iwork[i__] + 1;
|
||||
smm1 = submat - 1;
|
||||
d__[smm1] -= (d__1 = e[smm1], abs(d__1));
|
||||
d__[submat] -= (d__1 = e[smm1], abs(d__1));
|
||||
/* L40: */
|
||||
}
|
||||
|
||||
@ -322,10 +322,10 @@ L10:
|
||||
temp = log((doublereal) (*n)) / log(2.);
|
||||
lgn = (integer) temp;
|
||||
if (pow_ii(&c__2, &lgn) < *n) {
|
||||
++lgn;
|
||||
++lgn;
|
||||
}
|
||||
if (pow_ii(&c__2, &lgn) < *n) {
|
||||
++lgn;
|
||||
++lgn;
|
||||
}
|
||||
iprmpt = indxq + *n + 1;
|
||||
iperm = iprmpt + *n * lgn;
|
||||
@ -341,8 +341,8 @@ L10:
|
||||
/* Initialize pointers */
|
||||
i__1 = subpbs;
|
||||
for (i__ = 0; i__ <= i__1; ++i__) {
|
||||
iwork[iprmpt + i__] = 1;
|
||||
iwork[igivpt + i__] = 1;
|
||||
iwork[iprmpt + i__] = 1;
|
||||
iwork[igivpt + i__] = 1;
|
||||
/* L50: */
|
||||
}
|
||||
iwork[iqptr] = 1;
|
||||
@ -353,34 +353,34 @@ L10:
|
||||
curr = 0;
|
||||
i__1 = spm1;
|
||||
for (i__ = 0; i__ <= i__1; ++i__) {
|
||||
if (i__ == 0) {
|
||||
submat = 1;
|
||||
matsiz = iwork[1];
|
||||
} else {
|
||||
submat = iwork[i__] + 1;
|
||||
matsiz = iwork[i__ + 1] - iwork[i__];
|
||||
}
|
||||
ll = iq - 1 + iwork[iqptr + curr];
|
||||
dsteqr_((char *)"I", &matsiz, &d__[submat], &e[submat], &rwork[ll], &matsiz, &
|
||||
rwork[1], info, (ftnlen)1);
|
||||
zlacrm_(qsiz, &matsiz, &q[submat * q_dim1 + 1], ldq, &rwork[ll], &
|
||||
matsiz, &qstore[submat * qstore_dim1 + 1], ldqs, &rwork[iwrem]
|
||||
);
|
||||
if (i__ == 0) {
|
||||
submat = 1;
|
||||
matsiz = iwork[1];
|
||||
} else {
|
||||
submat = iwork[i__] + 1;
|
||||
matsiz = iwork[i__ + 1] - iwork[i__];
|
||||
}
|
||||
ll = iq - 1 + iwork[iqptr + curr];
|
||||
dsteqr_((char *)"I", &matsiz, &d__[submat], &e[submat], &rwork[ll], &matsiz, &
|
||||
rwork[1], info, (ftnlen)1);
|
||||
zlacrm_(qsiz, &matsiz, &q[submat * q_dim1 + 1], ldq, &rwork[ll], &
|
||||
matsiz, &qstore[submat * qstore_dim1 + 1], ldqs, &rwork[iwrem]
|
||||
);
|
||||
/* Computing 2nd power */
|
||||
i__2 = matsiz;
|
||||
iwork[iqptr + curr + 1] = iwork[iqptr + curr] + i__2 * i__2;
|
||||
++curr;
|
||||
if (*info > 0) {
|
||||
*info = submat * (*n + 1) + submat + matsiz - 1;
|
||||
return 0;
|
||||
}
|
||||
k = 1;
|
||||
i__2 = iwork[i__ + 1];
|
||||
for (j = submat; j <= i__2; ++j) {
|
||||
iwork[indxq + j] = k;
|
||||
++k;
|
||||
i__2 = matsiz;
|
||||
iwork[iqptr + curr + 1] = iwork[iqptr + curr] + i__2 * i__2;
|
||||
++curr;
|
||||
if (*info > 0) {
|
||||
*info = submat * (*n + 1) + submat + matsiz - 1;
|
||||
return 0;
|
||||
}
|
||||
k = 1;
|
||||
i__2 = iwork[i__ + 1];
|
||||
for (j = submat; j <= i__2; ++j) {
|
||||
iwork[indxq + j] = k;
|
||||
++k;
|
||||
/* L60: */
|
||||
}
|
||||
}
|
||||
/* L70: */
|
||||
}
|
||||
|
||||
@ -392,20 +392,20 @@ L10:
|
||||
curlvl = 1;
|
||||
L80:
|
||||
if (subpbs > 1) {
|
||||
spm2 = subpbs - 2;
|
||||
i__1 = spm2;
|
||||
for (i__ = 0; i__ <= i__1; i__ += 2) {
|
||||
if (i__ == 0) {
|
||||
submat = 1;
|
||||
matsiz = iwork[2];
|
||||
msd2 = iwork[1];
|
||||
curprb = 0;
|
||||
} else {
|
||||
submat = iwork[i__] + 1;
|
||||
matsiz = iwork[i__ + 2] - iwork[i__];
|
||||
msd2 = matsiz / 2;
|
||||
++curprb;
|
||||
}
|
||||
spm2 = subpbs - 2;
|
||||
i__1 = spm2;
|
||||
for (i__ = 0; i__ <= i__1; i__ += 2) {
|
||||
if (i__ == 0) {
|
||||
submat = 1;
|
||||
matsiz = iwork[2];
|
||||
msd2 = iwork[1];
|
||||
curprb = 0;
|
||||
} else {
|
||||
submat = iwork[i__] + 1;
|
||||
matsiz = iwork[i__ + 2] - iwork[i__];
|
||||
msd2 = matsiz / 2;
|
||||
++curprb;
|
||||
}
|
||||
|
||||
/* Merge lower order eigensystems (of size MSD2 and MATSIZ - MSD2) */
|
||||
/* into an eigensystem of size MATSIZ. ZLAED7 handles the case */
|
||||
@ -414,22 +414,22 @@ L80:
|
||||
|
||||
/* I am free to use Q as a valuable working space until Loop 150. */
|
||||
|
||||
zlaed7_(&matsiz, &msd2, qsiz, &tlvls, &curlvl, &curprb, &d__[
|
||||
submat], &qstore[submat * qstore_dim1 + 1], ldqs, &e[
|
||||
submat + msd2 - 1], &iwork[indxq + submat], &rwork[iq], &
|
||||
iwork[iqptr], &iwork[iprmpt], &iwork[iperm], &iwork[
|
||||
igivpt], &iwork[igivcl], &rwork[igivnm], &q[submat *
|
||||
q_dim1 + 1], &rwork[iwrem], &iwork[subpbs + 1], info);
|
||||
if (*info > 0) {
|
||||
*info = submat * (*n + 1) + submat + matsiz - 1;
|
||||
return 0;
|
||||
}
|
||||
iwork[i__ / 2 + 1] = iwork[i__ + 2];
|
||||
zlaed7_(&matsiz, &msd2, qsiz, &tlvls, &curlvl, &curprb, &d__[
|
||||
submat], &qstore[submat * qstore_dim1 + 1], ldqs, &e[
|
||||
submat + msd2 - 1], &iwork[indxq + submat], &rwork[iq], &
|
||||
iwork[iqptr], &iwork[iprmpt], &iwork[iperm], &iwork[
|
||||
igivpt], &iwork[igivcl], &rwork[igivnm], &q[submat *
|
||||
q_dim1 + 1], &rwork[iwrem], &iwork[subpbs + 1], info);
|
||||
if (*info > 0) {
|
||||
*info = submat * (*n + 1) + submat + matsiz - 1;
|
||||
return 0;
|
||||
}
|
||||
iwork[i__ / 2 + 1] = iwork[i__ + 2];
|
||||
/* L90: */
|
||||
}
|
||||
subpbs /= 2;
|
||||
++curlvl;
|
||||
goto L80;
|
||||
}
|
||||
subpbs /= 2;
|
||||
++curlvl;
|
||||
goto L80;
|
||||
}
|
||||
|
||||
/* end while */
|
||||
@ -439,10 +439,10 @@ L80:
|
||||
|
||||
i__1 = *n;
|
||||
for (i__ = 1; i__ <= i__1; ++i__) {
|
||||
j = iwork[indxq + i__];
|
||||
rwork[i__] = d__[j];
|
||||
zcopy_(qsiz, &qstore[j * qstore_dim1 + 1], &c__1, &q[i__ * q_dim1 + 1]
|
||||
, &c__1);
|
||||
j = iwork[indxq + i__];
|
||||
rwork[i__] = d__[j];
|
||||
zcopy_(qsiz, &qstore[j * qstore_dim1 + 1], &c__1, &q[i__ * q_dim1 + 1]
|
||||
, &c__1);
|
||||
/* L100: */
|
||||
}
|
||||
dcopy_(n, &rwork[1], &c__1, &d__[1], &c__1);
|
||||
@ -454,5 +454,5 @@ L80:
|
||||
} /* zlaed0_ */
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
Reference in New Issue
Block a user