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2 Copyright (c) 2014, Intel Corp.
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28 *****************************************************************************
29 * Contents: Native middle-level C interface to LAPACK function ctrevc
30 * Author: Intel Corporation
31 * Generated November 2015
32 *****************************************************************************/
33
34 #include "lapacke_utils.h"
35
LAPACKE_ctrevc_work(int matrix_layout,char side,char howmny,const lapack_logical * select,lapack_int n,lapack_complex_float * t,lapack_int ldt,lapack_complex_float * vl,lapack_int ldvl,lapack_complex_float * vr,lapack_int ldvr,lapack_int mm,lapack_int * m,lapack_complex_float * work,float * rwork)36 lapack_int LAPACKE_ctrevc_work( int matrix_layout, char side, char howmny,
37 const lapack_logical* select, lapack_int n,
38 lapack_complex_float* t, lapack_int ldt,
39 lapack_complex_float* vl, lapack_int ldvl,
40 lapack_complex_float* vr, lapack_int ldvr,
41 lapack_int mm, lapack_int* m,
42 lapack_complex_float* work, float* rwork )
43 {
44 lapack_int info = 0;
45 if( matrix_layout == LAPACK_COL_MAJOR ) {
46 /* Call LAPACK function and adjust info */
47 LAPACK_ctrevc( &side, &howmny, select, &n, t, &ldt, vl, &ldvl, vr,
48 &ldvr, &mm, m, work, rwork, &info );
49 if( info < 0 ) {
50 info = info - 1;
51 }
52 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
53 lapack_int ldt_t = MAX(1,n);
54 lapack_int ldvl_t = MAX(1,n);
55 lapack_int ldvr_t = MAX(1,n);
56 lapack_complex_float* t_t = NULL;
57 lapack_complex_float* vl_t = NULL;
58 lapack_complex_float* vr_t = NULL;
59 /* Check leading dimension(s) */
60 if( ldt < n ) {
61 info = -7;
62 LAPACKE_xerbla( "LAPACKE_ctrevc_work", info );
63 return info;
64 }
65 if( ldvl < mm ) {
66 info = -9;
67 LAPACKE_xerbla( "LAPACKE_ctrevc_work", info );
68 return info;
69 }
70 if( ldvr < mm ) {
71 info = -11;
72 LAPACKE_xerbla( "LAPACKE_ctrevc_work", info );
73 return info;
74 }
75 /* Allocate memory for temporary array(s) */
76 t_t = (lapack_complex_float*)
77 LAPACKE_malloc( sizeof(lapack_complex_float) * ldt_t * MAX(1,n) );
78 if( t_t == NULL ) {
79 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
80 goto exit_level_0;
81 }
82 if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'l' ) ) {
83 vl_t = (lapack_complex_float*)
84 LAPACKE_malloc( sizeof(lapack_complex_float) *
85 ldvl_t * MAX(1,mm) );
86 if( vl_t == NULL ) {
87 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
88 goto exit_level_1;
89 }
90 }
91 if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'r' ) ) {
92 vr_t = (lapack_complex_float*)
93 LAPACKE_malloc( sizeof(lapack_complex_float) *
94 ldvr_t * MAX(1,mm) );
95 if( vr_t == NULL ) {
96 info = LAPACK_TRANSPOSE_MEMORY_ERROR;
97 goto exit_level_2;
98 }
99 }
100 /* Transpose input matrices */
101 LAPACKE_cge_trans( matrix_layout, n, n, t, ldt, t_t, ldt_t );
102 if( ( LAPACKE_lsame( side, 'l' ) || LAPACKE_lsame( side, 'b' ) ) &&
103 LAPACKE_lsame( howmny, 'b' ) ) {
104 LAPACKE_cge_trans( matrix_layout, n, mm, vl, ldvl, vl_t, ldvl_t );
105 }
106 if( ( LAPACKE_lsame( side, 'r' ) || LAPACKE_lsame( side, 'b' ) ) &&
107 LAPACKE_lsame( howmny, 'b' ) ) {
108 LAPACKE_cge_trans( matrix_layout, n, mm, vr, ldvr, vr_t, ldvr_t );
109 }
110 /* Call LAPACK function and adjust info */
111 LAPACK_ctrevc( &side, &howmny, select, &n, t_t, &ldt_t, vl_t, &ldvl_t,
112 vr_t, &ldvr_t, &mm, m, work, rwork, &info );
113 if( info < 0 ) {
114 info = info - 1;
115 }
116 /* Transpose output matrices */
117 LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, n, t_t, ldt_t, t, ldt );
118 if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'l' ) ) {
119 LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, mm, vl_t, ldvl_t, vl,
120 ldvl );
121 }
122 if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'r' ) ) {
123 LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, mm, vr_t, ldvr_t, vr,
124 ldvr );
125 }
126 /* Release memory and exit */
127 if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'r' ) ) {
128 LAPACKE_free( vr_t );
129 }
130 exit_level_2:
131 if( LAPACKE_lsame( side, 'b' ) || LAPACKE_lsame( side, 'l' ) ) {
132 LAPACKE_free( vl_t );
133 }
134 exit_level_1:
135 LAPACKE_free( t_t );
136 exit_level_0:
137 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
138 LAPACKE_xerbla( "LAPACKE_ctrevc_work", info );
139 }
140 } else {
141 info = -1;
142 LAPACKE_xerbla( "LAPACKE_ctrevc_work", info );
143 }
144 return info;
145 }
146