LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ctrexc()

lapack_int LAPACKE_ctrexc ( int  matrix_layout,
char  compq,
lapack_int  n,
lapack_complex_float t,
lapack_int  ldt,
lapack_complex_float q,
lapack_int  ldq,
lapack_int  ifst,
lapack_int  ilst 
)

Definition at line 36 of file lapacke_ctrexc.c.

40 {
41  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
42  LAPACKE_xerbla( "LAPACKE_ctrexc", -1 );
43  return -1;
44  }
45 #ifndef LAPACK_DISABLE_NAN_CHECK
46  /* Optionally check input matrices for NaNs */
47  if( LAPACKE_lsame( compq, 'v' ) ) {
48  if( LAPACKE_cge_nancheck( matrix_layout, n, n, q, ldq ) ) {
49  return -6;
50  }
51  }
52  if( LAPACKE_cge_nancheck( matrix_layout, n, n, t, ldt ) ) {
53  return -4;
54  }
55 #endif
56  return LAPACKE_ctrexc_work( matrix_layout, compq, n, t, ldt, q, ldq, ifst,
57  ilst );
58 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
lapack_int LAPACKE_ctrexc_work(int matrix_layout, char compq, lapack_int n, lapack_complex_float *t, lapack_int ldt, lapack_complex_float *q, lapack_int ldq, lapack_int ifst, lapack_int ilst)
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
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