LAPACK 3.11.0 LAPACK: Linear Algebra PACKage
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## ◆ LAPACKE_sgeequb_work()

 lapack_int LAPACKE_sgeequb_work ( int matrix_layout, lapack_int m, lapack_int n, const float * a, lapack_int lda, float * r, float * c, float * rowcnd, float * colcnd, float * amax )

Definition at line 35 of file lapacke_sgeequb_work.c.

39{
40 lapack_int info = 0;
41 if( matrix_layout == LAPACK_COL_MAJOR ) {
42 /* Call LAPACK function and adjust info */
43 LAPACK_sgeequb( &m, &n, a, &lda, r, c, rowcnd, colcnd, amax, &info );
44 if( info < 0 ) {
45 info = info - 1;
46 }
47 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
48 lapack_int lda_t = MAX(1,m);
49 float* a_t = NULL;
50 /* Check leading dimension(s) */
51 if( lda < n ) {
52 info = -5;
53 LAPACKE_xerbla( "LAPACKE_sgeequb_work", info );
54 return info;
55 }
56 /* Allocate memory for temporary array(s) */
57 a_t = (float*)LAPACKE_malloc( sizeof(float) * lda_t * MAX(1,n) );
58 if( a_t == NULL ) {
60 goto exit_level_0;
61 }
62 /* Transpose input matrices */
63 LAPACKE_sge_trans( matrix_layout, m, n, a, lda, a_t, lda_t );
64 /* Call LAPACK function and adjust info */
65 LAPACK_sgeequb( &m, &n, a_t, &lda_t, r, c, rowcnd, colcnd, amax,
66 &info );
67 if( info < 0 ) {
68 info = info - 1;
69 }
70 /* Release memory and exit */
71 LAPACKE_free( a_t );
72exit_level_0:
73 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
74 LAPACKE_xerbla( "LAPACKE_sgeequb_work", info );
75 }
76 } else {
77 info = -1;
78 LAPACKE_xerbla( "LAPACKE_sgeequb_work", info );
79 }
80 return info;
81}
#define lapack_int
Definition: lapack.h:87
#define LAPACK_sgeequb
Definition: lapack.h:1614
#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_sge_trans(int matrix_layout, lapack_int m, lapack_int n, const float *in, lapack_int ldin, float *out, lapack_int ldout)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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