LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_spftrf_work()

lapack_int LAPACKE_spftrf_work ( int  matrix_layout,
char  transr,
char  uplo,
lapack_int  n,
float *  a 
)

Definition at line 35 of file lapacke_spftrf_work.c.

37{
38 lapack_int info = 0;
39 if( matrix_layout == LAPACK_COL_MAJOR ) {
40 /* Call LAPACK function and adjust info */
41 LAPACK_spftrf( &transr, &uplo, &n, a, &info );
42 if( info < 0 ) {
43 info = info - 1;
44 }
45 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
46 float* a_t = NULL;
47 /* Allocate memory for temporary array(s) */
48 a_t = (float*)
49 LAPACKE_malloc( sizeof(float) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
50 if( a_t == NULL ) {
52 goto exit_level_0;
53 }
54 /* Transpose input matrices */
55 LAPACKE_spf_trans( matrix_layout, transr, uplo, n, a, a_t );
56 /* Call LAPACK function and adjust info */
57 LAPACK_spftrf( &transr, &uplo, &n, a_t, &info );
58 if( info < 0 ) {
59 info = info - 1;
60 }
61 /* Transpose output matrices */
62 LAPACKE_spf_trans( LAPACK_COL_MAJOR, transr, uplo, n, a_t, a );
63 /* Release memory and exit */
64 LAPACKE_free( a_t );
65exit_level_0:
66 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
67 LAPACKE_xerbla( "LAPACKE_spftrf_work", info );
68 }
69 } else {
70 info = -1;
71 LAPACKE_xerbla( "LAPACKE_spftrf_work", info );
72 }
73 return info;
74}
#define lapack_int
Definition: lapack.h:87
#define LAPACK_spftrf(...)
Definition: lapack.h:12479
#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)
void LAPACKE_spf_trans(int matrix_layout, char transr, char uplo, lapack_int n, const float *in, float *out)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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