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

lapack_int LAPACKE_cunmql (int matrix_order, char side, char trans, lapack_int m, lapack_int n, lapack_int k, const lapack_complex_float *a, lapack_int lda, const lapack_complex_float *tau, lapack_complex_float *c, lapack_int ldc)

Function/Subroutine Documentation

lapack_int LAPACKE_cunmql ( int  matrix_order,
char  side,
char  trans,
lapack_int  m,
lapack_int  n,
lapack_int  k,
const lapack_complex_float a,
lapack_int  lda,
const lapack_complex_float tau,
lapack_complex_float c,
lapack_int  ldc 
)

Definition at line 36 of file lapacke_cunmql.c.

{
lapack_int info = 0;
lapack_int lwork = -1;
lapack_complex_float* work = NULL;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_cunmql", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
r = LAPACKE_lsame( side, 'l' ) ? m : n;
if( LAPACKE_cge_nancheck( matrix_order, r, k, a, lda ) ) {
return -7;
}
if( LAPACKE_cge_nancheck( matrix_order, m, n, c, ldc ) ) {
return -10;
}
if( LAPACKE_c_nancheck( k, tau, 1 ) ) {
return -9;
}
#endif
/* Query optimal working array(s) size */
info = LAPACKE_cunmql_work( matrix_order, side, trans, m, n, k, a, lda, tau,
c, ldc, &work_query, lwork );
if( info != 0 ) {
goto exit_level_0;
}
lwork = LAPACK_C2INT( work_query );
/* Allocate memory for work arrays */
if( work == NULL ) {
goto exit_level_0;
}
/* Call middle-level interface */
info = LAPACKE_cunmql_work( matrix_order, side, trans, m, n, k, a, lda, tau,
c, ldc, work, lwork );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_cunmql", info );
}
return info;
}

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