lapack_int LAPACKE_zlascl( int matrix_layout, char type, lapack_int kl,
lapack_int ku, double cfrom, double cto,
lapack_int m, lapack_int n, lapack_complex_double* a,
lapack_int lda )
{
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zlascl", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
if( LAPACKE_get_nancheck() ) {
/* Optionally check input matrices for NaNs */
switch (type) {
case 'G':
if( LAPACKE_zge_nancheck( matrix_layout, m, n, a, lda ) ) {
return -9;
}
break;
case 'L':
// TYPE = 'L' - lower triangle of general matrix
if( matrix_layout == LAPACK_COL_MAJOR &&
LAPACKE_zgb_nancheck( matrix_layout, m, n, m-1, 0, a, lda+1 ) ) {
return -9;
}
if( matrix_layout == LAPACK_ROW_MAJOR &&
LAPACKE_zgb_nancheck( LAPACK_COL_MAJOR, n, m, 0, m-1, a-m+1, lda+1 ) ) {
return -9;
}
break;
case 'U':
// TYPE = 'U' - upper triangle of general matrix
if( matrix_layout == LAPACK_COL_MAJOR &&
LAPACKE_zgb_nancheck( matrix_layout, m, n, 0, n-1, a-n+1, lda+1 ) ) {
return -9;
}
if( matrix_layout == LAPACK_ROW_MAJOR &&
LAPACKE_zgb_nancheck( LAPACK_COL_MAJOR, n, m, n-1, 0, a, lda+1 ) ) {
return -9;
}
break;
case 'H':
// TYPE = 'H' - part of upper Hessenberg matrix in general matrix
if( matrix_layout == LAPACK_COL_MAJOR &&
LAPACKE_zgb_nancheck( matrix_layout, m, n, 1, n-1, a-n+1, lda+1 ) ) {
return -9;
}
if( matrix_layout == LAPACK_ROW_MAJOR &&
LAPACKE_zgb_nancheck( LAPACK_COL_MAJOR, n, m, n-1, 1, a-1, lda+1 ) ) {
return -9;
}
case 'B':
// TYPE = 'B' - lower part of symmetric band matrix (assume m==n)
if( LAPACKE_zhb_nancheck( matrix_layout, 'L', n, kl, a, lda ) ) {
return -9;
}
break;
case 'Q':
// TYPE = 'Q' - upper part of symmetric band matrix (assume m==n)
if( LAPACKE_zhb_nancheck( matrix_layout, 'U', n, ku, a, lda ) ) {
return -9;
}
break;
case 'Z':
// TYPE = 'Z' - band matrix laid out for ?GBTRF
if( matrix_layout == LAPACK_COL_MAJOR &&
LAPACKE_zgb_nancheck( matrix_layout, m, n, kl, ku, a+kl, lda ) ) {
return -9;
}
if( matrix_layout == LAPACK_ROW_MAJOR &&
LAPACKE_zgb_nancheck( matrix_layout, m, n, kl, ku, a+lda*kl, lda ) ) {
return -9;
}
break;
}
}
#endif
return LAPACKE_zlascl_work( matrix_layout, type, kl, ku, cfrom, cto, m, n, a, lda );
}
lapack_int LAPACKE_zlascl( int matrix_layout, char type, lapack_int kl,
lapack_int ku, double cfrom, double cto,
lapack_int m, lapack_int n, lapack_complex_double* a,
lapack_int lda )
{
if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_zlascl", -1 );
return -1;
}
#ifndef LAPACK_zISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
switch (type) {
case 'G':
if( LAPACKE_zge_nancheck( matrix_layout, lda, n, a, lda ) ) {
return -9;
}
break;
case 'L':
// TYPE = 'L' - lower triangular matrix.
if( LAPACKE_ztr_nancheck( matrix_layout, 'L', 'N', n, a, lda ) ) {
return -9;
}
break;
case 'U':
// TYPE = 'U' - upper triangular matrix
if( LAPACKE_ztr_nancheck( matrix_layout, 'U', 'N', n, a, lda ) ) {
return -9;
}
break;
case 'H':
// TYPE = 'H' - upper Hessenberg matrix
if( LAPACKE_zhs_nancheck( matrix_layout, n, a, lda ) ) {
return -9;
}
break;
case 'B':
// TYPE = 'B' - A is a symmetric band matrix with lower bandwidth KL
// and upper bandwidth KU and with the only the lower
// half stored.
if( LAPACKE_zhb_nancheck( matrix_layout, 'L', n, kl, a, lda ) ) {
return -9;
}
break;
case 'Q':
// TYPE = 'Q' - A is a symmetric band matrix with lower bandwidth KL
// and upper bandwidth KU and with the only the upper
// half stored.
if( LAPACKE_zhb_nancheck( matrix_layout, 'U', n, ku, a, lda ) ) {
return -9;
}
break;
case 'Z':
// TYPE = 'Z' - A is a band matrix with lower bandwidth KL and upper
// bandwidth KU. See DGBTRF for storage details.
if( LAPACKE_zgb_nancheck( matrix_layout, n, n, kl, kl+ku, a, lda ) ) {
return -6;
}
break;
}
#endif
return LAPACKE_zlascl_work( matrix_layout, type, kl, ku, cfrom, cto, m, n, a, lda );
}
