LAPACK  3.5.0
LAPACK: Linear Algebra PACKage
 All Classes Files Functions Variables Typedefs Macros
lapacke_cgghrd_work.c File Reference
#include "lapacke_utils.h"
Include dependency graph for lapacke_cgghrd_work.c:

Go to the source code of this file.

Functions/Subroutines

lapack_int LAPACKE_cgghrd_work (int matrix_order, char compq, char compz, lapack_int n, lapack_int ilo, lapack_int ihi, lapack_complex_float *a, lapack_int lda, lapack_complex_float *b, lapack_int ldb, lapack_complex_float *q, lapack_int ldq, lapack_complex_float *z, lapack_int ldz)

Function/Subroutine Documentation

lapack_int LAPACKE_cgghrd_work ( int  matrix_order,
char  compq,
char  compz,
lapack_int  n,
lapack_int  ilo,
lapack_int  ihi,
lapack_complex_float a,
lapack_int  lda,
lapack_complex_float b,
lapack_int  ldb,
lapack_complex_float q,
lapack_int  ldq,
lapack_complex_float z,
lapack_int  ldz 
)

Definition at line 36 of file lapacke_cgghrd_work.c.

{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_cgghrd( &compq, &compz, &n, &ilo, &ihi, a, &lda, b, &ldb, q,
&ldq, z, &ldz, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
lapack_int lda_t = MAX(1,n);
lapack_int ldb_t = MAX(1,n);
lapack_int ldq_t = MAX(1,n);
lapack_int ldz_t = MAX(1,n);
lapack_complex_float* a_t = NULL;
lapack_complex_float* b_t = NULL;
lapack_complex_float* q_t = NULL;
lapack_complex_float* z_t = NULL;
/* Check leading dimension(s) */
if( lda < n ) {
info = -8;
LAPACKE_xerbla( "LAPACKE_cgghrd_work", info );
return info;
}
if( ldb < n ) {
info = -10;
LAPACKE_xerbla( "LAPACKE_cgghrd_work", info );
return info;
}
if( ldq < n ) {
info = -12;
LAPACKE_xerbla( "LAPACKE_cgghrd_work", info );
return info;
}
if( ldz < n ) {
info = -14;
LAPACKE_xerbla( "LAPACKE_cgghrd_work", info );
return info;
}
/* Allocate memory for temporary array(s) */
LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
if( a_t == NULL ) {
goto exit_level_0;
}
LAPACKE_malloc( sizeof(lapack_complex_float) * ldb_t * MAX(1,n) );
if( b_t == NULL ) {
goto exit_level_1;
}
if( LAPACKE_lsame( compq, 'i' ) || LAPACKE_lsame( compq, 'v' ) ) {
ldq_t * MAX(1,n) );
if( q_t == NULL ) {
goto exit_level_2;
}
}
if( LAPACKE_lsame( compz, 'i' ) || LAPACKE_lsame( compz, 'v' ) ) {
ldz_t * MAX(1,n) );
if( z_t == NULL ) {
goto exit_level_3;
}
}
/* Transpose input matrices */
LAPACKE_cge_trans( matrix_order, n, n, a, lda, a_t, lda_t );
LAPACKE_cge_trans( matrix_order, n, n, b, ldb, b_t, ldb_t );
if( LAPACKE_lsame( compq, 'v' ) ) {
LAPACKE_cge_trans( matrix_order, n, n, q, ldq, q_t, ldq_t );
}
if( LAPACKE_lsame( compz, 'v' ) ) {
LAPACKE_cge_trans( matrix_order, n, n, z, ldz, z_t, ldz_t );
}
/* Call LAPACK function and adjust info */
LAPACK_cgghrd( &compq, &compz, &n, &ilo, &ihi, a_t, &lda_t, b_t, &ldb_t,
q_t, &ldq_t, z_t, &ldz_t, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, a_t, lda_t, a, lda );
LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, b_t, ldb_t, b, ldb );
if( LAPACKE_lsame( compq, 'i' ) || LAPACKE_lsame( compq, 'v' ) ) {
LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, q_t, ldq_t, q, ldq );
}
if( LAPACKE_lsame( compz, 'i' ) || LAPACKE_lsame( compz, 'v' ) ) {
LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, z_t, ldz_t, z, ldz );
}
/* Release memory and exit */
if( LAPACKE_lsame( compz, 'i' ) || LAPACKE_lsame( compz, 'v' ) ) {
LAPACKE_free( z_t );
}
exit_level_3:
if( LAPACKE_lsame( compq, 'i' ) || LAPACKE_lsame( compq, 'v' ) ) {
LAPACKE_free( q_t );
}
exit_level_2:
LAPACKE_free( b_t );
exit_level_1:
LAPACKE_free( a_t );
exit_level_0:
LAPACKE_xerbla( "LAPACKE_cgghrd_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_cgghrd_work", info );
}
return info;
}

Here is the call graph for this function:

Here is the caller graph for this function: