lapack_int LAPACKE_ctfttr_work( int matrix_order, char transr, char uplo,
lapack_int n, const lapack_complex_float* arf,
lapack_complex_float* a, lapack_int lda )
{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_ctfttr( &transr, &uplo, &n, arf, a, &lda, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
lapack_int lda_t = MAX(1,n);
lapack_complex_float* a_t = NULL;
lapack_complex_float* arf_t = NULL;
/* Check leading dimension(s) */
if( lda < n ) {
info = -7;
LAPACKE_xerbla( "LAPACKE_ctfttr_work", info );
return info;
}
/* Allocate memory for temporary array(s) */
a_t = (lapack_complex_float*)
LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
if( a_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
arf_t = (lapack_complex_float*)
LAPACKE_malloc( sizeof(lapack_complex_float) *
( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( arf_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_1;
}
/* Transpose input matrices */
LAPACKE_cpf_trans( matrix_order, transr, uplo, n, arf, arf_t );
/* Call LAPACK function and adjust info */
LAPACK_ctfttr( &transr, &uplo, &n, arf_t, a_t, &lda_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 );
/* Release memory and exit */
LAPACKE_free( arf_t );
exit_level_1:
LAPACKE_free( a_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_ctfttr_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_ctfttr_work", info );
}
return info;
}
lapack_int LAPACKE_cpftrf_work( int matrix_layout, char transr, char uplo,
lapack_int n, lapack_complex_float* a )
{
lapack_int info = 0;
if( matrix_layout == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_cpftrf( &transr, &uplo, &n, a, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_layout == LAPACK_ROW_MAJOR ) {
lapack_complex_float* a_t = NULL;
/* Allocate memory for temporary array(s) */
a_t = (lapack_complex_float*)
LAPACKE_malloc( sizeof(lapack_complex_float) *
( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( a_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
/* Transpose input matrices */
LAPACKE_cpf_trans( matrix_layout, transr, uplo, n, a, a_t );
/* Call LAPACK function and adjust info */
LAPACK_cpftrf( &transr, &uplo, &n, a_t, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_cpf_trans( LAPACK_COL_MAJOR, transr, uplo, n, a_t, a );
/* Release memory and exit */
LAPACKE_free( a_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_cpftrf_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_cpftrf_work", info );
}
return info;
}
lapack_int LAPACKE_chfrk_work( int matrix_layout, char transr, char uplo,
char trans, lapack_int n, lapack_int k,
float alpha, const lapack_complex_float* a,
lapack_int lda, float beta,
lapack_complex_float* c )
{
lapack_int info = 0;
lapack_int na, ka, lda_t;
lapack_complex_float *a_t = NULL, *c_t = NULL;
if( matrix_layout == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_chfrk( &transr, &uplo, &trans, &n, &k, &alpha, a, &lda, &beta,
c );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_layout == LAPACK_ROW_MAJOR ) {
na = LAPACKE_lsame( trans, 'n' ) ? n : k;
ka = LAPACKE_lsame( trans, 'n' ) ? k : n;
lda_t = MAX(1,na);
/* Check leading dimension(s) */
if( lda < ka ) {
info = -9;
LAPACKE_xerbla( "LAPACKE_chfrk_work", info );
return info;
}
/* Allocate memory for temporary array(s) */
a_t = (lapack_complex_float*)
LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,ka) );
if( a_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_0;
}
c_t = (lapack_complex_float*)
LAPACKE_malloc( sizeof(lapack_complex_float) *
( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( c_t == NULL ) {
info = LAPACK_TRANSPOSE_MEMORY_ERROR;
goto exit_level_1;
}
/* Transpose input matrices */
LAPACKE_cge_trans( matrix_layout, na, ka, a, lda, a_t, lda_t );
LAPACKE_cpf_trans( matrix_layout, transr, uplo, n, c, c_t );
/* Call LAPACK function and adjust info */
LAPACK_chfrk( &transr, &uplo, &trans, &n, &k, &alpha, a_t, &lda_t,
&beta, c_t );
info = 0; /* LAPACK call is ok! */
/* Transpose output matrices */
LAPACKE_cpf_trans( LAPACK_COL_MAJOR, transr, uplo, n, c_t, c );
/* Release memory and exit */
LAPACKE_free( c_t );
exit_level_1:
LAPACKE_free( a_t );
exit_level_0:
if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_chfrk_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_chfrk_work", info );
}
return info;
}
