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

lapack_int LAPACKE_ztrsyl_work (int matrix_order, char trana, char tranb, lapack_int isgn, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda, const lapack_complex_double *b, lapack_int ldb, lapack_complex_double *c, lapack_int ldc, double *scale)

Function/Subroutine Documentation

lapack_int LAPACKE_ztrsyl_work ( int  matrix_order,
char  trana,
char  tranb,
lapack_int  isgn,
lapack_int  m,
lapack_int  n,
const lapack_complex_double a,
lapack_int  lda,
const lapack_complex_double b,
lapack_int  ldb,
lapack_complex_double c,
lapack_int  ldc,
double *  scale 
)

Definition at line 36 of file lapacke_ztrsyl_work.c.

{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_ztrsyl( &trana, &tranb, &isgn, &m, &n, a, &lda, b, &ldb, c, &ldc,
scale, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
lapack_int lda_t = MAX(1,m);
lapack_int ldb_t = MAX(1,n);
lapack_int ldc_t = MAX(1,m);
lapack_complex_double* a_t = NULL;
lapack_complex_double* b_t = NULL;
lapack_complex_double* c_t = NULL;
/* Check leading dimension(s) */
if( lda < m ) {
info = -8;
LAPACKE_xerbla( "LAPACKE_ztrsyl_work", info );
return info;
}
if( ldb < n ) {
info = -10;
LAPACKE_xerbla( "LAPACKE_ztrsyl_work", info );
return info;
}
if( ldc < n ) {
info = -12;
LAPACKE_xerbla( "LAPACKE_ztrsyl_work", info );
return info;
}
/* Allocate memory for temporary array(s) */
LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,m) );
if( a_t == NULL ) {
goto exit_level_0;
}
LAPACKE_malloc( sizeof(lapack_complex_double) * ldb_t * MAX(1,n) );
if( b_t == NULL ) {
goto exit_level_1;
}
LAPACKE_malloc( sizeof(lapack_complex_double) * ldc_t * MAX(1,n) );
if( c_t == NULL ) {
goto exit_level_2;
}
/* Transpose input matrices */
LAPACKE_zge_trans( matrix_order, m, m, a, lda, a_t, lda_t );
LAPACKE_zge_trans( matrix_order, n, n, b, ldb, b_t, ldb_t );
LAPACKE_zge_trans( matrix_order, m, n, c, ldc, c_t, ldc_t );
/* Call LAPACK function and adjust info */
LAPACK_ztrsyl( &trana, &tranb, &isgn, &m, &n, a_t, &lda_t, b_t, &ldb_t,
c_t, &ldc_t, scale, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_zge_trans( LAPACK_COL_MAJOR, m, n, c_t, ldc_t, c, ldc );
/* Release memory and exit */
LAPACKE_free( c_t );
exit_level_2:
LAPACKE_free( b_t );
exit_level_1:
LAPACKE_free( a_t );
exit_level_0:
LAPACKE_xerbla( "LAPACKE_ztrsyl_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_ztrsyl_work", info );
}
return info;
}

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