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

lapack_int LAPACKE_dgemqrt (int matrix_order, char side, char trans, lapack_int m, lapack_int n, lapack_int k, lapack_int nb, const double *v, lapack_int ldv, const double *t, lapack_int ldt, double *c, lapack_int ldc)

Function/Subroutine Documentation

lapack_int LAPACKE_dgemqrt ( int  matrix_order,
char  side,
char  trans,
lapack_int  m,
lapack_int  n,
lapack_int  k,
lapack_int  nb,
const double *  v,
lapack_int  ldv,
const double *  t,
lapack_int  ldt,
double *  c,
lapack_int  ldc 
)

Definition at line 36 of file lapacke_dgemqrt.c.

{
lapack_int info = 0;
double* work = NULL;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_dgemqrt", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_dge_nancheck( matrix_order, m, n, c, ldc ) ) {
return -12;
}
if( LAPACKE_dge_nancheck( matrix_order, ldt, nb, t, ldt ) ) {
return -10;
}
if( LAPACKE_dge_nancheck( matrix_order, ldv, k, v, ldv ) ) {
return -8;
}
#endif
/* Allocate memory for working array(s) */
work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,m) * MAX(1,nb) );
if( work == NULL ) {
goto exit_level_0;
}
/* Call middle-level interface */
info = LAPACKE_dgemqrt_work( matrix_order, side, trans, m, n, k, nb, v, ldv,
t, ldt, c, ldc, work );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_dgemqrt", info );
}
return info;
}

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