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

lapack_int LAPACKE_ztgexc (int matrix_order, lapack_logical wantq, lapack_logical wantz, lapack_int n, lapack_complex_double *a, lapack_int lda, lapack_complex_double *b, lapack_int ldb, lapack_complex_double *q, lapack_int ldq, lapack_complex_double *z, lapack_int ldz, lapack_int ifst, lapack_int ilst)

Function/Subroutine Documentation

lapack_int LAPACKE_ztgexc ( int  matrix_order,
lapack_logical  wantq,
lapack_logical  wantz,
lapack_int  n,
lapack_complex_double a,
lapack_int  lda,
lapack_complex_double b,
lapack_int  ldb,
lapack_complex_double q,
lapack_int  ldq,
lapack_complex_double z,
lapack_int  ldz,
lapack_int  ifst,
lapack_int  ilst 
)

Definition at line 36 of file lapacke_ztgexc.c.

{
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_ztgexc", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_zge_nancheck( matrix_order, n, n, a, lda ) ) {
return -5;
}
if( LAPACKE_zge_nancheck( matrix_order, n, n, b, ldb ) ) {
return -7;
}
if( wantq ) {
if( LAPACKE_zge_nancheck( matrix_order, n, n, q, ldq ) ) {
return -9;
}
}
if( wantz ) {
if( LAPACKE_zge_nancheck( matrix_order, n, n, z, ldz ) ) {
return -11;
}
}
#endif
return LAPACKE_ztgexc_work( matrix_order, wantq, wantz, n, a, lda, b, ldb,
q, ldq, z, ldz, ifst, ilst );
}

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