lapack_int LAPACKE_ctbcon( int matrix_layout, char norm, char uplo, char diag,
lapack_int n, lapack_int kd,
const lapack_complex_float* ab, lapack_int ldab,
float* rcond )
{
lapack_int info = 0;
float* rwork = NULL;
lapack_complex_float* work = NULL;
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_ctbcon", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
if( LAPACKE_get_nancheck() ) {
/* Optionally check input matrices for NaNs */
if( LAPACKE_ctb_nancheck( matrix_layout, uplo, diag, n, kd, ab, ldab ) ) {
return -7;
}
}
#endif
/* Allocate memory for working array(s) */
rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
if( rwork == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_0;
}
work = (lapack_complex_float*)
LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
if( work == NULL ) {
info = LAPACK_WORK_MEMORY_ERROR;
goto exit_level_1;
}
/* Call middle-level interface */
info = LAPACKE_ctbcon_work( matrix_layout, norm, uplo, diag, n, kd, ab, ldab,
rcond, 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_ctbcon", info );
}
return info;
}
lapack_int LAPACKE_ctbtrs( int matrix_order, char uplo, char trans, char diag,
lapack_int n, lapack_int kd, lapack_int nrhs,
const lapack_complex_float* ab, lapack_int ldab,
lapack_complex_float* b, lapack_int ldb )
{
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_ctbtrs", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_ctb_nancheck( matrix_order, uplo, diag, n, kd, ab, ldab ) ) {
return -8;
}
if( LAPACKE_cge_nancheck( matrix_order, n, nrhs, b, ldb ) ) {
return -10;
}
#endif
return LAPACKE_ctbtrs_work( matrix_order, uplo, trans, diag, n, kd, nrhs,
ab, ldab, b, ldb );
}
