LAPACK  3.5.0
LAPACK: Linear Algebra PACKage
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lapacke_dposvxx.c File Reference
#include "lapacke_utils.h"
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Functions/Subroutines

lapack_int LAPACKE_dposvxx (int matrix_order, char fact, char uplo, lapack_int n, lapack_int nrhs, double *a, lapack_int lda, double *af, lapack_int ldaf, char *equed, double *s, double *b, lapack_int ldb, double *x, lapack_int ldx, double *rcond, double *rpvgrw, double *berr, lapack_int n_err_bnds, double *err_bnds_norm, double *err_bnds_comp, lapack_int nparams, double *params)

Function/Subroutine Documentation

lapack_int LAPACKE_dposvxx ( int  matrix_order,
char  fact,
char  uplo,
lapack_int  n,
lapack_int  nrhs,
double *  a,
lapack_int  lda,
double *  af,
lapack_int  ldaf,
char *  equed,
double *  s,
double *  b,
lapack_int  ldb,
double *  x,
lapack_int  ldx,
double *  rcond,
double *  rpvgrw,
double *  berr,
lapack_int  n_err_bnds,
double *  err_bnds_norm,
double *  err_bnds_comp,
lapack_int  nparams,
double *  params 
)

Definition at line 36 of file lapacke_dposvxx.c.

{
lapack_int info = 0;
lapack_int* iwork = NULL;
double* work = NULL;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_dposvxx", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_dpo_nancheck( matrix_order, uplo, n, a, lda ) ) {
return -6;
}
if( LAPACKE_lsame( fact, 'f' ) ) {
if( LAPACKE_dpo_nancheck( matrix_order, uplo, n, af, ldaf ) ) {
return -8;
}
}
if( LAPACKE_dge_nancheck( matrix_order, n, nrhs, b, ldb ) ) {
return -12;
}
if( nparams>0 ) {
if( LAPACKE_d_nancheck( nparams, params, 1 ) ) {
return -23;
}
}
if( LAPACKE_lsame( fact, 'f' ) && LAPACKE_lsame( *equed, 'y' ) ) {
if( LAPACKE_d_nancheck( n, s, 1 ) ) {
return -11;
}
}
#endif
/* Allocate memory for working array(s) */
iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
if( iwork == NULL ) {
goto exit_level_0;
}
work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,4*n) );
if( work == NULL ) {
goto exit_level_1;
}
/* Call middle-level interface */
info = LAPACKE_dposvxx_work( matrix_order, fact, uplo, n, nrhs, a, lda, af,
ldaf, equed, s, b, ldb, x, ldx, rcond, rpvgrw,
berr, n_err_bnds, err_bnds_norm, err_bnds_comp,
nparams, params, work, iwork );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_1:
LAPACKE_free( iwork );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_dposvxx", info );
}
return info;
}

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