LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ztgexc()

lapack_int LAPACKE_ztgexc ( int  matrix_layout,
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 35 of file lapacke_ztgexc.c.

42 {
43  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
44  LAPACKE_xerbla( "LAPACKE_ztgexc", -1 );
45  return -1;
46  }
47 #ifndef LAPACK_DISABLE_NAN_CHECK
48  if( LAPACKE_get_nancheck() ) {
49  /* Optionally check input matrices for NaNs */
50  if( LAPACKE_zge_nancheck( matrix_layout, n, n, a, lda ) ) {
51  return -5;
52  }
53  if( LAPACKE_zge_nancheck( matrix_layout, n, n, b, ldb ) ) {
54  return -7;
55  }
56  if( wantq ) {
57  if( LAPACKE_zge_nancheck( matrix_layout, n, n, q, ldq ) ) {
58  return -9;
59  }
60  }
61  if( wantz ) {
62  if( LAPACKE_zge_nancheck( matrix_layout, n, n, z, ldz ) ) {
63  return -11;
64  }
65  }
66  }
67 #endif
68  return LAPACKE_ztgexc_work( matrix_layout, wantq, wantz, n, a, lda, b, ldb,
69  q, ldq, z, ldz, ifst, ilst );
70 }
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
lapack_int LAPACKE_ztgexc_work(int matrix_layout, 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)
int LAPACKE_get_nancheck(void)
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
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