OpenRadioss 2025.1.11
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lapacke_zgges_work.c File Reference
#include "lapacke_utils.h"

Go to the source code of this file.

Functions

lapack_int LAPACKE_zgges_work (int matrix_layout, char jobvsl, char jobvsr, char sort, LAPACK_Z_SELECT2 selctg, lapack_int n, lapack_complex_double *a, lapack_int lda, lapack_complex_double *b, lapack_int ldb, lapack_int *sdim, lapack_complex_double *alpha, lapack_complex_double *beta, lapack_complex_double *vsl, lapack_int ldvsl, lapack_complex_double *vsr, lapack_int ldvsr, lapack_complex_double *work, lapack_int lwork, double *rwork, lapack_logical *bwork)

Function Documentation

◆ LAPACKE_zgges_work()

lapack_int LAPACKE_zgges_work ( int matrix_layout,
char jobvsl,
char jobvsr,
char sort,
LAPACK_Z_SELECT2 selctg,
lapack_int n,
lapack_complex_double * a,
lapack_int lda,
lapack_complex_double * b,
lapack_int ldb,
lapack_int * sdim,
lapack_complex_double * alpha,
lapack_complex_double * beta,
lapack_complex_double * vsl,
lapack_int ldvsl,
lapack_complex_double * vsr,
lapack_int ldvsr,
lapack_complex_double * work,
lapack_int lwork,
double * rwork,
lapack_logical * bwork )

Definition at line 35 of file lapacke_zgges_work.c.

45{
46 lapack_int info = 0;
47 if( matrix_layout == LAPACK_COL_MAJOR ) {
48 /* Call LAPACK function and adjust info */
49 LAPACK_zgges( &jobvsl, &jobvsr, &sort, selctg, &n, a, &lda, b, &ldb,
50 sdim, alpha, beta, vsl, &ldvsl, vsr, &ldvsr, work, &lwork,
51 rwork, bwork, &info );
52 if( info < 0 ) {
53 info = info - 1;
54 }
55 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
56 lapack_int lda_t = MAX(1,n);
57 lapack_int ldb_t = MAX(1,n);
58 lapack_int ldvsl_t = MAX(1,n);
59 lapack_int ldvsr_t = MAX(1,n);
60 lapack_complex_double* a_t = NULL;
61 lapack_complex_double* b_t = NULL;
62 lapack_complex_double* vsl_t = NULL;
63 lapack_complex_double* vsr_t = NULL;
64 /* Check leading dimension(s) */
65 if( lda < n ) {
66 info = -8;
67 LAPACKE_xerbla( "LAPACKE_zgges_work", info );
68 return info;
69 }
70 if( ldb < n ) {
71 info = -10;
72 LAPACKE_xerbla( "LAPACKE_zgges_work", info );
73 return info;
74 }
75 if( ldvsl < n ) {
76 info = -15;
77 LAPACKE_xerbla( "LAPACKE_zgges_work", info );
78 return info;
79 }
80 if( ldvsr < n ) {
81 info = -17;
82 LAPACKE_xerbla( "LAPACKE_zgges_work", info );
83 return info;
84 }
85 /* Query optimal working array(s) size if requested */
86 if( lwork == -1 ) {
87 LAPACK_zgges( &jobvsl, &jobvsr, &sort, selctg, &n, a, &lda_t, b,
88 &ldb_t, sdim, alpha, beta, vsl, &ldvsl_t, vsr,
89 &ldvsr_t, work, &lwork, rwork, bwork, &info );
90 return (info < 0) ? (info - 1) : info;
91 }
92 /* Allocate memory for temporary array(s) */
94 LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,n) );
95 if( a_t == NULL ) {
97 goto exit_level_0;
98 }
100 LAPACKE_malloc( sizeof(lapack_complex_double) * ldb_t * MAX(1,n) );
101 if( b_t == NULL ) {
103 goto exit_level_1;
104 }
105 if( LAPACKE_lsame( jobvsl, 'v' ) ) {
106 vsl_t = (lapack_complex_double*)
108 ldvsl_t * MAX(1,n) );
109 if( vsl_t == NULL ) {
111 goto exit_level_2;
112 }
113 }
114 if( LAPACKE_lsame( jobvsr, 'v' ) ) {
115 vsr_t = (lapack_complex_double*)
117 ldvsr_t * MAX(1,n) );
118 if( vsr_t == NULL ) {
120 goto exit_level_3;
121 }
122 }
123 /* Transpose input matrices */
124 LAPACKE_zge_trans( matrix_layout, n, n, a, lda, a_t, lda_t );
125 LAPACKE_zge_trans( matrix_layout, n, n, b, ldb, b_t, ldb_t );
126 /* Call LAPACK function and adjust info */
127 LAPACK_zgges( &jobvsl, &jobvsr, &sort, selctg, &n, a_t, &lda_t, b_t,
128 &ldb_t, sdim, alpha, beta, vsl_t, &ldvsl_t, vsr_t,
129 &ldvsr_t, work, &lwork, rwork, bwork, &info );
130 if( info < 0 ) {
131 info = info - 1;
132 }
133 /* Transpose output matrices */
134 LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, n, a_t, lda_t, a, lda );
135 LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, n, b_t, ldb_t, b, ldb );
136 if( LAPACKE_lsame( jobvsl, 'v' ) ) {
137 LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, n, vsl_t, ldvsl_t, vsl,
138 ldvsl );
139 }
140 if( LAPACKE_lsame( jobvsr, 'v' ) ) {
141 LAPACKE_zge_trans( LAPACK_COL_MAJOR, n, n, vsr_t, ldvsr_t, vsr,
142 ldvsr );
143 }
144 /* Release memory and exit */
145 if( LAPACKE_lsame( jobvsr, 'v' ) ) {
146 LAPACKE_free( vsr_t );
147 }
148exit_level_3:
149 if( LAPACKE_lsame( jobvsl, 'v' ) ) {
150 LAPACKE_free( vsl_t );
151 }
152exit_level_2:
153 LAPACKE_free( b_t );
154exit_level_1:
155 LAPACKE_free( a_t );
156exit_level_0:
157 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
158 LAPACKE_xerbla( "LAPACKE_zgges_work", info );
159 }
160 } else {
161 info = -1;
162 LAPACKE_xerbla( "LAPACKE_zgges_work", info );
163 }
164 return info;
165}
#define alpha
Definition eval.h:35
#define lapack_int
Definition lapack.h:83
#define LAPACK_zgges(...)
Definition lapack.h:4441
#define lapack_complex_double
Definition lapack.h:63
#define LAPACK_COL_MAJOR
Definition lapacke.h:53
#define LAPACKE_free(p)
Definition lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition lapacke.h:52
#define LAPACKE_malloc(size)
Definition lapacke.h:43
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition lapacke.h:56
lapack_logical LAPACKE_lsame(char ca, char cb)
void LAPACKE_xerbla(const char *name, lapack_int info)
void LAPACKE_zge_trans(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *in, lapack_int ldin, lapack_complex_double *out, lapack_int ldout)
#define MAX(x, y)
n