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

lapack_int LAPACKE_cupgtr (int matrix_order, char uplo, lapack_int n, const lapack_complex_float *ap, const lapack_complex_float *tau, lapack_complex_float *q, lapack_int ldq)

Function/Subroutine Documentation

lapack_int LAPACKE_cupgtr ( int  matrix_order,
char  uplo,
lapack_int  n,
const lapack_complex_float ap,
const lapack_complex_float tau,
lapack_complex_float q,
lapack_int  ldq 
)

Definition at line 36 of file lapacke_cupgtr.c.

{
lapack_int info = 0;
lapack_complex_float* work = NULL;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_cupgtr", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_cpp_nancheck( n, ap ) ) {
return -4;
}
if( LAPACKE_c_nancheck( n-1, tau, 1 ) ) {
return -5;
}
#endif
/* Allocate memory for working array(s) */
if( work == NULL ) {
goto exit_level_0;
}
/* Call middle-level interface */
info = LAPACKE_cupgtr_work( matrix_order, uplo, n, ap, tau, q, ldq, work );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_cupgtr", info );
}
return info;
}

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