LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ctgsja()

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

Definition at line 36 of file lapacke_ctgsja.c.

45 {
46  lapack_int info = 0;
47  lapack_complex_float* work = NULL;
48  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
49  LAPACKE_xerbla( "LAPACKE_ctgsja", -1 );
50  return -1;
51  }
52 #ifndef LAPACK_DISABLE_NAN_CHECK
53  /* Optionally check input matrices for NaNs */
54  if( LAPACKE_cge_nancheck( matrix_layout, m, n, a, lda ) ) {
55  return -10;
56  }
57  if( LAPACKE_cge_nancheck( matrix_layout, p, n, b, ldb ) ) {
58  return -12;
59  }
60  if( LAPACKE_lsame( jobq, 'i' ) || LAPACKE_lsame( jobq, 'q' ) ) {
61  if( LAPACKE_cge_nancheck( matrix_layout, n, n, q, ldq ) ) {
62  return -22;
63  }
64  }
65  if( LAPACKE_s_nancheck( 1, &tola, 1 ) ) {
66  return -14;
67  }
68  if( LAPACKE_s_nancheck( 1, &tolb, 1 ) ) {
69  return -15;
70  }
71  if( LAPACKE_lsame( jobu, 'i' ) || LAPACKE_lsame( jobu, 'u' ) ) {
72  if( LAPACKE_cge_nancheck( matrix_layout, m, m, u, ldu ) ) {
73  return -18;
74  }
75  }
76  if( LAPACKE_lsame( jobv, 'i' ) || LAPACKE_lsame( jobv, 'v' ) ) {
77  if( LAPACKE_cge_nancheck( matrix_layout, p, p, v, ldv ) ) {
78  return -20;
79  }
80  }
81 #endif
82  /* Allocate memory for working array(s) */
83  work = (lapack_complex_float*)
84  LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
85  if( work == NULL ) {
87  goto exit_level_0;
88  }
89  /* Call middle-level interface */
90  info = LAPACKE_ctgsja_work( matrix_layout, jobu, jobv, jobq, m, p, n, k, l,
91  a, lda, b, ldb, tola, tolb, alpha, beta, u, ldu,
92  v, ldv, q, ldq, work, ncycle );
93  /* Release memory and exit */
94  LAPACKE_free( work );
95 exit_level_0:
96  if( info == LAPACK_WORK_MEMORY_ERROR ) {
97  LAPACKE_xerbla( "LAPACKE_ctgsja", info );
98  }
99  return info;
100 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define lapack_complex_float
Definition: lapacke.h:74
lapack_logical LAPACKE_s_nancheck(lapack_int n, const 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)
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
lapack_int LAPACKE_ctgsja_work(int matrix_layout, char jobu, char jobv, char jobq, lapack_int m, lapack_int p, lapack_int n, lapack_int k, lapack_int l, lapack_complex_float *a, lapack_int lda, lapack_complex_float *b, lapack_int ldb, float tola, float tolb, float *alpha, float *beta, lapack_complex_float *u, lapack_int ldu, lapack_complex_float *v, lapack_int ldv, lapack_complex_float *q, lapack_int ldq, lapack_complex_float *work, lapack_int *ncycle)
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