LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_cggsvp()

lapack_int LAPACKE_cggsvp ( int  matrix_layout,
char  jobu,
char  jobv,
char  jobq,
lapack_int  m,
lapack_int  p,
lapack_int  n,
lapack_complex_float a,
lapack_int  lda,
lapack_complex_float b,
lapack_int  ldb,
float  tola,
float  tolb,
lapack_int k,
lapack_int l,
lapack_complex_float u,
lapack_int  ldu,
lapack_complex_float v,
lapack_int  ldv,
lapack_complex_float q,
lapack_int  ldq 
)

Definition at line 35 of file lapacke_cggsvp.c.

43{
44 lapack_int info = 0;
45 lapack_int* iwork = NULL;
46 float* rwork = NULL;
47 lapack_complex_float* tau = NULL;
48 lapack_complex_float* work = NULL;
49 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
50 LAPACKE_xerbla( "LAPACKE_cggsvp", -1 );
51 return -1;
52 }
53#ifndef LAPACK_DISABLE_NAN_CHECK
54 if( LAPACKE_get_nancheck() ) {
55 /* Optionally check input matrices for NaNs */
56 if( LAPACKE_cge_nancheck( matrix_layout, m, n, a, lda ) ) {
57 return -8;
58 }
59 if( LAPACKE_cge_nancheck( matrix_layout, p, n, b, ldb ) ) {
60 return -10;
61 }
62 if( LAPACKE_s_nancheck( 1, &tola, 1 ) ) {
63 return -12;
64 }
65 if( LAPACKE_s_nancheck( 1, &tolb, 1 ) ) {
66 return -13;
67 }
68 }
69#endif
70 /* Allocate memory for working array(s) */
71 iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
72 if( iwork == NULL ) {
74 goto exit_level_0;
75 }
76 rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,2*n) );
77 if( rwork == NULL ) {
79 goto exit_level_1;
80 }
82 LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,n) );
83 if( tau == NULL ) {
85 goto exit_level_2;
86 }
87 work = (lapack_complex_float*)
88 LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,MAX3(3*n,m,p)) );
89 if( work == NULL ) {
91 goto exit_level_3;
92 }
93 /* Call middle-level interface */
94 info = LAPACKE_cggsvp_work( matrix_layout, jobu, jobv, jobq, m, p, n, a, lda,
95 b, ldb, tola, tolb, k, l, u, ldu, v, ldv, q,
96 ldq, iwork, rwork, tau, work );
97 /* Release memory and exit */
98 LAPACKE_free( work );
99exit_level_3:
100 LAPACKE_free( tau );
101exit_level_2:
102 LAPACKE_free( rwork );
103exit_level_1:
104 LAPACKE_free( iwork );
105exit_level_0:
106 if( info == LAPACK_WORK_MEMORY_ERROR ) {
107 LAPACKE_xerbla( "LAPACKE_cggsvp", info );
108 }
109 return info;
110}
#define lapack_int
Definition: lapack.h:87
#define lapack_complex_float
Definition: lapack.h:46
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
lapack_int LAPACKE_cggsvp_work(int matrix_layout, char jobu, char jobv, char jobq, lapack_int m, lapack_int p, lapack_int n, lapack_complex_float *a, lapack_int lda, lapack_complex_float *b, lapack_int ldb, float tola, float tolb, lapack_int *k, lapack_int *l, lapack_complex_float *u, lapack_int ldu, lapack_complex_float *v, lapack_int ldv, lapack_complex_float *q, lapack_int ldq, lapack_int *iwork, float *rwork, lapack_complex_float *tau, lapack_complex_float *work)
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_s_nancheck(lapack_int n, const float *x, lapack_int incx)
#define MAX3(x, y, z)
Definition: lapacke_utils.h:52
#define MAX(x, y)
Definition: lapacke_utils.h:46
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
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