LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_cggglm()

lapack_int LAPACKE_cggglm ( int  matrix_layout,
lapack_int  n,
lapack_int  m,
lapack_int  p,
lapack_complex_float a,
lapack_int  lda,
lapack_complex_float b,
lapack_int  ldb,
lapack_complex_float d,
lapack_complex_float x,
lapack_complex_float y 
)

Definition at line 35 of file lapacke_cggglm.c.

40{
41 lapack_int info = 0;
42 lapack_int lwork = -1;
43 lapack_complex_float* work = NULL;
44 lapack_complex_float work_query;
45 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
46 LAPACKE_xerbla( "LAPACKE_cggglm", -1 );
47 return -1;
48 }
49#ifndef LAPACK_DISABLE_NAN_CHECK
50 if( LAPACKE_get_nancheck() ) {
51 /* Optionally check input matrices for NaNs */
52 if( LAPACKE_cge_nancheck( matrix_layout, n, m, a, lda ) ) {
53 return -5;
54 }
55 if( LAPACKE_cge_nancheck( matrix_layout, n, p, b, ldb ) ) {
56 return -7;
57 }
58 if( LAPACKE_c_nancheck( n, d, 1 ) ) {
59 return -9;
60 }
61 }
62#endif
63 /* Query optimal working array(s) size */
64 info = LAPACKE_cggglm_work( matrix_layout, n, m, p, a, lda, b, ldb, d, x, y,
65 &work_query, lwork );
66 if( info != 0 ) {
67 goto exit_level_0;
68 }
69 lwork = LAPACK_C2INT( work_query );
70 /* Allocate memory for work arrays */
71 work = (lapack_complex_float*)
72 LAPACKE_malloc( sizeof(lapack_complex_float) * lwork );
73 if( work == NULL ) {
75 goto exit_level_0;
76 }
77 /* Call middle-level interface */
78 info = LAPACKE_cggglm_work( matrix_layout, n, m, p, a, lda, b, ldb, d, x, y,
79 work, lwork );
80 /* Release memory and exit */
81 LAPACKE_free( work );
82exit_level_0:
83 if( info == LAPACK_WORK_MEMORY_ERROR ) {
84 LAPACKE_xerbla( "LAPACKE_cggglm", info );
85 }
86 return info;
87}
#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 LAPACK_C2INT(x)
Definition: lapacke.h:49
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
lapack_int LAPACKE_cggglm_work(int matrix_layout, lapack_int n, lapack_int m, lapack_int p, lapack_complex_float *a, lapack_int lda, lapack_complex_float *b, lapack_int ldb, lapack_complex_float *d, lapack_complex_float *x, lapack_complex_float *y, lapack_complex_float *work, lapack_int lwork)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_c_nancheck(lapack_int n, const lapack_complex_float *x, lapack_int incx)
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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