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

lapack_int LAPACKE_zpbrfs (int matrix_order, char uplo, lapack_int n, lapack_int kd, lapack_int nrhs, const lapack_complex_double *ab, lapack_int ldab, const lapack_complex_double *afb, lapack_int ldafb, const lapack_complex_double *b, lapack_int ldb, lapack_complex_double *x, lapack_int ldx, double *ferr, double *berr)

Function/Subroutine Documentation

lapack_int LAPACKE_zpbrfs ( int  matrix_order,
char  uplo,
lapack_int  n,
lapack_int  kd,
lapack_int  nrhs,
const lapack_complex_double ab,
lapack_int  ldab,
const lapack_complex_double afb,
lapack_int  ldafb,
const lapack_complex_double b,
lapack_int  ldb,
lapack_complex_double x,
lapack_int  ldx,
double *  ferr,
double *  berr 
)

Definition at line 36 of file lapacke_zpbrfs.c.

{
lapack_int info = 0;
double* rwork = NULL;
lapack_complex_double* work = NULL;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zpbrfs", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_zpb_nancheck( matrix_order, uplo, n, kd, ab, ldab ) ) {
return -6;
}
if( LAPACKE_zpb_nancheck( matrix_order, uplo, n, kd, afb, ldafb ) ) {
return -8;
}
if( LAPACKE_zge_nancheck( matrix_order, n, nrhs, b, ldb ) ) {
return -10;
}
if( LAPACKE_zge_nancheck( matrix_order, n, nrhs, x, ldx ) ) {
return -12;
}
#endif
/* Allocate memory for working array(s) */
rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
if( rwork == NULL ) {
goto exit_level_0;
}
if( work == NULL ) {
goto exit_level_1;
}
/* Call middle-level interface */
info = LAPACKE_zpbrfs_work( matrix_order, uplo, n, kd, nrhs, ab, ldab, afb,
ldafb, b, ldb, x, ldx, ferr, berr, work,
rwork );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_1:
LAPACKE_free( rwork );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_zpbrfs", info );
}
return info;
}

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