int main(void)
{
/* Local scalars */
char uplo, uplo_i;
lapack_int n, n_i;
lapack_int info, info_i;
lapack_int i;
int failed;
/* Local arrays */
lapack_complex_float *ap = NULL, *ap_i = NULL;
lapack_int *ipiv = NULL, *ipiv_i = NULL;
lapack_complex_float *work = NULL, *work_i = NULL;
lapack_complex_float *ap_save = NULL;
lapack_complex_float *ap_r = NULL;
/* Iniitialize the scalar parameters */
init_scalars_csptri( &uplo, &n );
uplo_i = uplo;
n_i = n;
/* Allocate memory for the LAPACK routine arrays */
ap = (lapack_complex_float *)
LAPACKE_malloc( ((n*(n+1)/2)) * sizeof(lapack_complex_float) );
ipiv = (lapack_int *)LAPACKE_malloc( n * sizeof(lapack_int) );
work = (lapack_complex_float *)
LAPACKE_malloc( n * sizeof(lapack_complex_float) );
/* Allocate memory for the C interface function arrays */
ap_i = (lapack_complex_float *)
LAPACKE_malloc( ((n*(n+1)/2)) * sizeof(lapack_complex_float) );
ipiv_i = (lapack_int *)LAPACKE_malloc( n * sizeof(lapack_int) );
work_i = (lapack_complex_float *)
LAPACKE_malloc( n * sizeof(lapack_complex_float) );
/* Allocate memory for the backup arrays */
ap_save = (lapack_complex_float *)
LAPACKE_malloc( ((n*(n+1)/2)) * sizeof(lapack_complex_float) );
/* Allocate memory for the row-major arrays */
ap_r = (lapack_complex_float *)
LAPACKE_malloc( n*(n+1)/2 * sizeof(lapack_complex_float) );
/* Initialize input arrays */
init_ap( (n*(n+1)/2), ap );
init_ipiv( n, ipiv );
init_work( n, work );
/* Backup the ouptut arrays */
for( i = 0; i < (n*(n+1)/2); i++ ) {
ap_save[i] = ap[i];
}
/* Call the LAPACK routine */
csptri_( &uplo, &n, ap, ipiv, work, &info );
/* Initialize input data, call the column-major middle-level
* interface to LAPACK routine and check the results */
for( i = 0; i < (n*(n+1)/2); i++ ) {
ap_i[i] = ap_save[i];
}
for( i = 0; i < n; i++ ) {
ipiv_i[i] = ipiv[i];
}
for( i = 0; i < n; i++ ) {
work_i[i] = work[i];
}
info_i = LAPACKE_csptri_work( LAPACK_COL_MAJOR, uplo_i, n_i, ap_i, ipiv_i,
work_i );
failed = compare_csptri( ap, ap_i, info, info_i, n );
if( failed == 0 ) {
printf( "PASSED: column-major middle-level interface to csptri\n" );
} else {
printf( "FAILED: column-major middle-level interface to csptri\n" );
}
/* Initialize input data, call the column-major high-level
* interface to LAPACK routine and check the results */
for( i = 0; i < (n*(n+1)/2); i++ ) {
ap_i[i] = ap_save[i];
}
for( i = 0; i < n; i++ ) {
ipiv_i[i] = ipiv[i];
}
for( i = 0; i < n; i++ ) {
work_i[i] = work[i];
}
info_i = LAPACKE_csptri( LAPACK_COL_MAJOR, uplo_i, n_i, ap_i, ipiv_i );
failed = compare_csptri( ap, ap_i, info, info_i, n );
if( failed == 0 ) {
printf( "PASSED: column-major high-level interface to csptri\n" );
} else {
printf( "FAILED: column-major high-level interface to csptri\n" );
}
/* Initialize input data, call the row-major middle-level
* interface to LAPACK routine and check the results */
for( i = 0; i < (n*(n+1)/2); i++ ) {
ap_i[i] = ap_save[i];
}
for( i = 0; i < n; i++ ) {
ipiv_i[i] = ipiv[i];
}
for( i = 0; i < n; i++ ) {
work_i[i] = work[i];
}
LAPACKE_cpp_trans( LAPACK_COL_MAJOR, uplo, n, ap_i, ap_r );
info_i = LAPACKE_csptri_work( LAPACK_ROW_MAJOR, uplo_i, n_i, ap_r, ipiv_i,
work_i );
LAPACKE_cpp_trans( LAPACK_ROW_MAJOR, uplo, n, ap_r, ap_i );
failed = compare_csptri( ap, ap_i, info, info_i, n );
if( failed == 0 ) {
printf( "PASSED: row-major middle-level interface to csptri\n" );
} else {
printf( "FAILED: row-major middle-level interface to csptri\n" );
}
/* Initialize input data, call the row-major high-level
* interface to LAPACK routine and check the results */
for( i = 0; i < (n*(n+1)/2); i++ ) {
ap_i[i] = ap_save[i];
}
for( i = 0; i < n; i++ ) {
ipiv_i[i] = ipiv[i];
}
for( i = 0; i < n; i++ ) {
work_i[i] = work[i];
}
/* Init row_major arrays */
LAPACKE_cpp_trans( LAPACK_COL_MAJOR, uplo, n, ap_i, ap_r );
info_i = LAPACKE_csptri( LAPACK_ROW_MAJOR, uplo_i, n_i, ap_r, ipiv_i );
LAPACKE_cpp_trans( LAPACK_ROW_MAJOR, uplo, n, ap_r, ap_i );
failed = compare_csptri( ap, ap_i, info, info_i, n );
if( failed == 0 ) {
printf( "PASSED: row-major high-level interface to csptri\n" );
} else {
printf( "FAILED: row-major high-level interface to csptri\n" );
}
/* Release memory */
if( ap != NULL ) {
LAPACKE_free( ap );
}
if( ap_i != NULL ) {
LAPACKE_free( ap_i );
}
if( ap_r != NULL ) {
LAPACKE_free( ap_r );
}
if( ap_save != NULL ) {
LAPACKE_free( ap_save );
}
if( ipiv != NULL ) {
LAPACKE_free( ipiv );
}
if( ipiv_i != NULL ) {
LAPACKE_free( ipiv_i );
}
if( work != NULL ) {
LAPACKE_free( work );
}
if( work_i != NULL ) {
LAPACKE_free( work_i );
}
return 0;
}
/* Subroutine */ int ctimsp_(char *line, integer *nn, integer *nval, integer *
nns, integer *nsval, integer *la, real *timmin, complex *a, complex *
b, complex *work, integer *iwork, real *reslts, integer *ldr1,
integer *ldr2, integer *ldr3, integer *nout, ftnlen line_len)
{
/* Initialized data */
static char uplos[1*2] = "U" "L";
static char subnam[6*3] = "CSPTRF" "CSPTRS" "CSPTRI";
/* Format strings */
static char fmt_9999[] = "(1x,a6,\002 timing run not attempted\002,/)";
static char fmt_9998[] = "(/\002 *** Speed of \002,a6,\002 in megaflops "
"***\002,/)";
static char fmt_9997[] = "(5x,a6,\002 with UPLO = '\002,a1,\002'\002,/)";
/* System generated locals */
integer reslts_dim1, reslts_dim2, reslts_dim3, reslts_offset, i__1, i__2;
/* Builtin functions
Subroutine */ int s_copy(char *, char *, ftnlen, ftnlen);
integer s_wsfe(cilist *), do_fio(integer *, char *, ftnlen), e_wsfe(void);
/* Local variables */
static integer info;
static char path[3];
static real time;
static integer isub, nrhs;
static char uplo[1];
static integer i__, n;
static char cname[6];
static integer laval[1];
extern logical lsame_(char *, char *);
extern /* Subroutine */ int ccopy_(integer *, complex *, integer *,
complex *, integer *);
extern doublereal sopla_(char *, integer *, integer *, integer *, integer
*, integer *);
static integer iuplo;
static real s1, s2;
static integer ic, in;
extern /* Subroutine */ int atimck_(integer *, char *, integer *, integer
*, integer *, integer *, integer *, integer *, ftnlen);
extern doublereal second_(void);
extern /* Subroutine */ int ctimmg_(integer *, integer *, integer *,
complex *, integer *, integer *, integer *), atimin_(char *, char
*, integer *, char *, logical *, integer *, integer *, ftnlen,
ftnlen, ftnlen);
extern doublereal smflop_(real *, real *, integer *);
static real untime;
extern /* Subroutine */ int csptrf_(char *, integer *, complex *, integer
*, integer *);
static logical timsub[3];
extern /* Subroutine */ int csptri_(char *, integer *, complex *, integer
*, complex *, integer *), sprtbl_(char *, char *, integer
*, integer *, integer *, integer *, integer *, real *, integer *,
integer *, integer *, ftnlen, ftnlen), csptrs_(char *, integer *,
integer *, complex *, integer *, complex *, integer *, integer *);
static integer lda, ldb, icl, mat;
static real ops;
/* Fortran I/O blocks */
static cilist io___8 = { 0, 0, 0, fmt_9999, 0 };
static cilist io___26 = { 0, 0, 0, fmt_9998, 0 };
static cilist io___27 = { 0, 0, 0, fmt_9997, 0 };
#define subnam_ref(a_0,a_1) &subnam[(a_1)*6 + a_0 - 6]
#define reslts_ref(a_1,a_2,a_3,a_4) reslts[(((a_4)*reslts_dim3 + (a_3))*\
reslts_dim2 + (a_2))*reslts_dim1 + a_1]
/* -- LAPACK timing routine (version 3.0) --
Univ. of Tennessee, Univ. of California Berkeley, NAG Ltd.,
Courant Institute, Argonne National Lab, and Rice University
March 31, 1993
Purpose
=======
CTIMSP times CSPTRF, -TRS, and -TRI.
Arguments
=========
LINE (input) CHARACTER*80
The input line that requested this routine. The first six
characters contain either the name of a subroutine or a
generic path name. The remaining characters may be used to
specify the individual routines to be timed. See ATIMIN for
a full description of the format of the input line.
NN (input) INTEGER
The number of values of N contained in the vector NVAL.
NVAL (input) INTEGER array, dimension (NN)
The values of the matrix size N.
NNS (input) INTEGER
The number of values of NRHS contained in the vector NSVAL.
NSVAL (input) INTEGER array, dimension (NNS)
The values of the number of right hand sides NRHS.
LA (input) INTEGER
The size of the arrays A, B, and C.
TIMMIN (input) REAL
The minimum time a subroutine will be timed.
A (workspace) COMPLEX array, dimension (LA)
B (workspace) COMPLEX array, dimension (LA)
WORK (workspace) COMPLEX array, dimension (NMAX)
IWORK (workspace) INTEGER array, dimension (NMAX)
where NMAX is the maximum value of N permitted.
RESLTS (output) REAL array, dimension
(LDR1,LDR2,LDR3,NSUBS)
The timing results for each subroutine over the relevant
values of N.
LDR1 (input) INTEGER
The first dimension of RESLTS. LDR1 >= max(4,NNB).
LDR2 (input) INTEGER
The second dimension of RESLTS. LDR2 >= max(1,NN).
LDR3 (input) INTEGER
The third dimension of RESLTS. LDR3 >= 2.
NOUT (input) INTEGER
The unit number for output.
=====================================================================
Parameter adjustments */
--nval;
--nsval;
--a;
--b;
--work;
--iwork;
reslts_dim1 = *ldr1;
reslts_dim2 = *ldr2;
reslts_dim3 = *ldr3;
reslts_offset = 1 + reslts_dim1 * (1 + reslts_dim2 * (1 + reslts_dim3 * 1)
);
reslts -= reslts_offset;
/* Function Body
Extract the timing request from the input line. */
s_copy(path, "Complex precision", (ftnlen)1, (ftnlen)17);
s_copy(path + 1, "SP", (ftnlen)2, (ftnlen)2);
atimin_(path, line, &c__3, subnam, timsub, nout, &info, (ftnlen)3, (
ftnlen)80, (ftnlen)6);
if (info != 0) {
goto L120;
}
/* Check that N*(N+1)/2 <= LA for the input values. */
s_copy(cname, line, (ftnlen)6, (ftnlen)6);
laval[0] = *la;
atimck_(&c__4, cname, nn, &nval[1], &c__1, laval, nout, &info, (ftnlen)6);
if (info > 0) {
io___8.ciunit = *nout;
s_wsfe(&io___8);
do_fio(&c__1, cname, (ftnlen)6);
e_wsfe();
goto L120;
}
/* Do first for UPLO = 'U', then for UPLO = 'L' */
for (iuplo = 1; iuplo <= 2; ++iuplo) {
*(unsigned char *)uplo = *(unsigned char *)&uplos[iuplo - 1];
if (lsame_(uplo, "U")) {
mat = 9;
} else {
mat = -9;
}
/* Do for each value of N in NVAL. */
i__1 = *nn;
for (in = 1; in <= i__1; ++in) {
n = nval[in];
lda = n * (n + 1) / 2;
/* Time CSPTRF */
if (timsub[0]) {
ctimmg_(&mat, &n, &n, &a[1], &lda, &c__0, &c__0);
ic = 0;
s1 = second_();
L10:
csptrf_(uplo, &n, &a[1], &iwork[1], &info);
s2 = second_();
time = s2 - s1;
++ic;
if (time < *timmin) {
ctimmg_(&mat, &n, &n, &a[1], &lda, &c__0, &c__0);
goto L10;
}
/* Subtract the time used in CTIMMG. */
icl = 1;
s1 = second_();
L20:
s2 = second_();
untime = s2 - s1;
++icl;
if (icl <= ic) {
ctimmg_(&mat, &n, &n, &a[1], &lda, &c__0, &c__0);
goto L20;
}
time = (time - untime) / (real) ic;
ops = sopla_("CSPTRF", &n, &n, &c__0, &c__0, &c__0)
;
reslts_ref(1, in, iuplo, 1) = smflop_(&ops, &time, &info);
} else {
ic = 0;
ctimmg_(&mat, &n, &n, &a[1], &lda, &c__0, &c__0);
}
/* Generate another matrix and factor it using CSPTRF so
that the factored form can be used in timing the other
routines. */
if (ic != 1) {
csptrf_(uplo, &n, &a[1], &iwork[1], &info);
}
/* Time CSPTRI */
if (timsub[2]) {
ccopy_(&lda, &a[1], &c__1, &b[1], &c__1);
ic = 0;
s1 = second_();
L30:
csptri_(uplo, &n, &b[1], &iwork[1], &work[1], &info);
s2 = second_();
time = s2 - s1;
++ic;
if (time < *timmin) {
ccopy_(&lda, &a[1], &c__1, &b[1], &c__1);
goto L30;
}
/* Subtract the time used in CCOPY. */
icl = 1;
s1 = second_();
L40:
s2 = second_();
untime = s2 - s1;
++icl;
if (icl <= ic) {
ccopy_(&lda, &a[1], &c__1, &b[1], &c__1);
goto L40;
}
time = (time - untime) / (real) ic;
ops = sopla_("CSPTRI", &n, &n, &c__0, &c__0, &c__0)
;
reslts_ref(1, in, iuplo, 3) = smflop_(&ops, &time, &info);
}
/* Time CSPTRS */
if (timsub[1]) {
i__2 = *nns;
for (i__ = 1; i__ <= i__2; ++i__) {
nrhs = nsval[i__];
ldb = n;
if (ldb % 2 == 0) {
++ldb;
}
ctimmg_(&c__0, &n, &nrhs, &b[1], &ldb, &c__0, &c__0);
ic = 0;
s1 = second_();
L50:
csptrs_(uplo, &n, &nrhs, &a[1], &iwork[1], &b[1], &ldb, &
info);
s2 = second_();
time = s2 - s1;
++ic;
if (time < *timmin) {
ctimmg_(&c__0, &n, &nrhs, &b[1], &ldb, &c__0, &c__0);
goto L50;
}
/* Subtract the time used in CTIMMG. */
icl = 1;
s1 = second_();
L60:
s2 = second_();
untime = s2 - s1;
++icl;
if (icl <= ic) {
ctimmg_(&c__0, &n, &nrhs, &b[1], &ldb, &c__0, &c__0);
goto L60;
}
time = (time - untime) / (real) ic;
ops = sopla_("CSPTRS", &n, &nrhs, &c__0, &c__0, &c__0);
reslts_ref(i__, in, iuplo, 2) = smflop_(&ops, &time, &
info);
/* L70: */
}
}
/* L80: */
}
/* L90: */
}
/* Print tables of results for each timed routine. */
for (isub = 1; isub <= 3; ++isub) {
if (! timsub[isub - 1]) {
goto L110;
}
io___26.ciunit = *nout;
s_wsfe(&io___26);
do_fio(&c__1, subnam_ref(0, isub), (ftnlen)6);
e_wsfe();
for (iuplo = 1; iuplo <= 2; ++iuplo) {
io___27.ciunit = *nout;
s_wsfe(&io___27);
do_fio(&c__1, subnam_ref(0, isub), (ftnlen)6);
do_fio(&c__1, uplos + (iuplo - 1), (ftnlen)1);
e_wsfe();
if (isub == 1) {
sprtbl_(" ", "N", &c__1, laval, nn, &nval[1], &c__1, &
reslts_ref(1, 1, iuplo, 1), ldr1, ldr2, nout, (ftnlen)
1, (ftnlen)1);
} else if (isub == 2) {
sprtbl_("NRHS", "N", nns, &nsval[1], nn, &nval[1], &c__1, &
reslts_ref(1, 1, iuplo, 2), ldr1, ldr2, nout, (ftnlen)
4, (ftnlen)1);
} else if (isub == 3) {
sprtbl_(" ", "N", &c__1, laval, nn, &nval[1], &c__1, &
reslts_ref(1, 1, iuplo, 3), ldr1, ldr2, nout, (ftnlen)
1, (ftnlen)1);
}
/* L100: */
}
L110:
;
}
L120:
return 0;
/* End of CTIMSP */
} /* ctimsp_ */
