LAPACK  3.5.0
LAPACK: Linear Algebra PACKage
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lapacke_ssbgst.c File Reference
#include "lapacke_utils.h"
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Functions/Subroutines

lapack_int LAPACKE_ssbgst (int matrix_order, char vect, char uplo, lapack_int n, lapack_int ka, lapack_int kb, float *ab, lapack_int ldab, const float *bb, lapack_int ldbb, float *x, lapack_int ldx)

Function/Subroutine Documentation

lapack_int LAPACKE_ssbgst ( int  matrix_order,
char  vect,
char  uplo,
lapack_int  n,
lapack_int  ka,
lapack_int  kb,
float *  ab,
lapack_int  ldab,
const float *  bb,
lapack_int  ldbb,
float *  x,
lapack_int  ldx 
)

Definition at line 36 of file lapacke_ssbgst.c.

{
lapack_int info = 0;
float* work = NULL;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_ssbgst", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_ssb_nancheck( matrix_order, uplo, n, ka, ab, ldab ) ) {
return -7;
}
if( LAPACKE_ssb_nancheck( matrix_order, uplo, n, kb, bb, ldbb ) ) {
return -9;
}
#endif
/* Allocate memory for working array(s) */
work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,2*n) );
if( work == NULL ) {
goto exit_level_0;
}
/* Call middle-level interface */
info = LAPACKE_ssbgst_work( matrix_order, vect, uplo, n, ka, kb, ab, ldab,
bb, ldbb, x, ldx, work );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_ssbgst", info );
}
return info;
}

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