LAPACK  3.10.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_chpgst_work()

lapack_int LAPACKE_chpgst_work ( int  matrix_layout,
lapack_int  itype,
char  uplo,
lapack_int  n,
lapack_complex_float ap,
const lapack_complex_float bp 
)

Definition at line 35 of file lapacke_chpgst_work.c.

38 {
39  lapack_int info = 0;
40  if( matrix_layout == LAPACK_COL_MAJOR ) {
41  /* Call LAPACK function and adjust info */
42  LAPACK_chpgst( &itype, &uplo, &n, ap, bp, &info );
43  if( info < 0 ) {
44  info = info - 1;
45  }
46  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
47  lapack_complex_float* ap_t = NULL;
48  lapack_complex_float* bp_t = NULL;
49  /* Allocate memory for temporary array(s) */
50  ap_t = (lapack_complex_float*)
52  ( MAX(1,n) * MAX(2,n+1) ) / 2 );
53  if( ap_t == NULL ) {
55  goto exit_level_0;
56  }
57  bp_t = (lapack_complex_float*)
59  ( MAX(1,n) * MAX(2,n+1) ) / 2 );
60  if( bp_t == NULL ) {
62  goto exit_level_1;
63  }
64  /* Transpose input matrices */
65  LAPACKE_chp_trans( matrix_layout, uplo, n, ap, ap_t );
66  LAPACKE_chp_trans( matrix_layout, uplo, n, bp, bp_t );
67  /* Call LAPACK function and adjust info */
68  LAPACK_chpgst( &itype, &uplo, &n, ap_t, bp_t, &info );
69  if( info < 0 ) {
70  info = info - 1;
71  }
72  /* Transpose output matrices */
73  LAPACKE_chp_trans( LAPACK_COL_MAJOR, uplo, n, ap_t, ap );
74  /* Release memory and exit */
75  LAPACKE_free( bp_t );
76 exit_level_1:
77  LAPACKE_free( ap_t );
78 exit_level_0:
79  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
80  LAPACKE_xerbla( "LAPACKE_chpgst_work", info );
81  }
82  } else {
83  info = -1;
84  LAPACKE_xerbla( "LAPACKE_chpgst_work", info );
85  }
86  return info;
87 }
#define LAPACK_chpgst(...)
Definition: lapack.h:8608
#define lapack_int
Definition: lapack.h:83
#define lapack_complex_float
Definition: lapack.h:45
#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
void LAPACKE_xerbla(const char *name, lapack_int info)
#define MAX(x, y)
Definition: lapacke_utils.h:46
void LAPACKE_chp_trans(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *in, lapack_complex_float *out)
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