C++ LAPACKE_d_nancheck函数代码示例

lapack_int LAPACKE_dstedc( int matrix_order, char compz, lapack_int n,
                           double* d, double* e, double* z, lapack_int ldz )
{
    lapack_int info = 0;
    lapack_int liwork = -1;
    lapack_int lwork = -1;
    lapack_int* iwork = NULL;
    double* work = NULL;
    lapack_int iwork_query;
    double work_query;
    if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_dstedc", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_d_nancheck( n, d, 1 ) ) {
        return -4;
    }
    if( LAPACKE_d_nancheck( n-1, e, 1 ) ) {
        return -5;
    }
    if( LAPACKE_lsame( compz, 'i' ) || LAPACKE_lsame( compz, 'v' ) ) {
        if( LAPACKE_dge_nancheck( matrix_order, n, n, z, ldz ) ) {
            return -6;
        }
    }
#endif
    /* Query optimal working array(s) size */
    info = LAPACKE_dstedc_work( matrix_order, compz, n, d, e, z, ldz,
                                &work_query, lwork, &iwork_query, liwork );
    if( info != 0 ) {
        goto exit_level_0;
    }
    liwork = (lapack_int)iwork_query;
    lwork = (lapack_int)work_query;
    /* Allocate memory for work arrays */
    iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * liwork );
    if( iwork == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    work = (double*)LAPACKE_malloc( sizeof(double) * lwork );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_1;
    }
    /* Call middle-level interface */
    info = LAPACKE_dstedc_work( matrix_order, compz, n, d, e, z, ldz, work,
                                lwork, iwork, liwork );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_1:
    LAPACKE_free( iwork );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_dstedc", info );
    }
    return info;
}

lapack_int LAPACKE_dsfrk( int matrix_layout, char transr, char uplo, char trans,
                          lapack_int n, lapack_int k, double alpha,
                          const double* a, lapack_int lda, double beta,
                          double* c )
{
    lapack_int ka, na;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_dsfrk", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    ka = LAPACKE_lsame( trans, 'n' ) ? k : n;
    na = LAPACKE_lsame( trans, 'n' ) ? n : k;
    if( LAPACKE_dge_nancheck( matrix_layout, na, ka, a, lda ) ) {
        return -8;
    }
    if( LAPACKE_d_nancheck( 1, &alpha, 1 ) ) {
        return -7;
    }
    if( LAPACKE_d_nancheck( 1, &beta, 1 ) ) {
        return -10;
    }
    if( LAPACKE_dpf_nancheck( n, c ) ) {
        return -11;
    }
#endif
    return LAPACKE_dsfrk_work( matrix_layout, transr, uplo, trans, n, k, alpha,
                               a, lda, beta, c );
}

lapack_int LAPACKE_zptcon( lapack_int n, const double* d,
                           const lapack_complex_double* e, double anorm,
                           double* rcond )
{
    lapack_int info = 0;
    double* work = NULL;
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_d_nancheck( 1, &anorm, 1 ) ) {
        return -4;
    }
    if( LAPACKE_d_nancheck( n, d, 1 ) ) {
        return -2;
    }
    if( LAPACKE_z_nancheck( n-1, e, 1 ) ) {
        return -3;
    }
#endif
    /* Allocate memory for working array(s) */
    work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    /* Call middle-level interface */
    info = LAPACKE_zptcon_work( n, d, e, anorm, rcond, work );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_zptcon", info );
    }
    return info;
}

lapack_int LAPACKE_dggbak( int matrix_layout, char job, char side, lapack_int n,
                           lapack_int ilo, lapack_int ihi, const double* lscale,
                           const double* rscale, lapack_int m, double* v,
                           lapack_int ldv )
{
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_dggbak", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* Optionally check input matrices for NaNs */
        if( LAPACKE_d_nancheck( n, lscale, 1 ) ) {
            return -7;
        }
        if( LAPACKE_d_nancheck( n, rscale, 1 ) ) {
            return -8;
        }
        if( LAPACKE_dge_nancheck( matrix_layout, n, m, v, ldv ) ) {
            return -10;
        }
    }
#endif
    return LAPACKE_dggbak_work( matrix_layout, job, side, n, ilo, ihi, lscale,
                                rscale, m, v, ldv );
}

lapack_logical LAPACKE_dst_nancheck( lapack_int n,
                                      const double *d,
                                      const double *e )
{
    return LAPACKE_d_nancheck( n,   d, 1 )
        || LAPACKE_d_nancheck( n-1, e, 1 );
}

lapack_int LAPACKE_dsbevx( int matrix_layout, char jobz, char range, char uplo,
                           lapack_int n, lapack_int kd, double* ab,
                           lapack_int ldab, double* q, lapack_int ldq,
                           double vl, double vu, lapack_int il, lapack_int iu,
                           double abstol, lapack_int* m, double* w, double* z,
                           lapack_int ldz, lapack_int* ifail )
{
    lapack_int info = 0;
    lapack_int* iwork = NULL;
    double* work = NULL;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_dsbevx", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_dsb_nancheck( matrix_layout, uplo, n, kd, ab, ldab ) ) {
        return -7;
    }
    if( LAPACKE_d_nancheck( 1, &abstol, 1 ) ) {
        return -15;
    }
    if( LAPACKE_lsame( range, 'v' ) ) {
        if( LAPACKE_d_nancheck( 1, &vl, 1 ) ) {
            return -11;
        }
    }
    if( LAPACKE_lsame( range, 'v' ) ) {
        if( LAPACKE_d_nancheck( 1, &vu, 1 ) ) {
            return -12;
        }
    }
#endif
    /* Allocate memory for working array(s) */
    iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,5*n) );
    if( iwork == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,7*n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_1;
    }
    /* Call middle-level interface */
    info = LAPACKE_dsbevx_work( matrix_layout, jobz, range, uplo, n, kd, ab,
                                ldab, q, ldq, vl, vu, il, iu, abstol, m, w, z,
                                ldz, work, iwork, ifail );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_1:
    LAPACKE_free( iwork );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_dsbevx", info );
    }
    return info;
}

lapack_int LAPACKE_dbdsdc( int matrix_layout, char uplo, char compq,
                           lapack_int n, double* d, double* e, double* u,
                           lapack_int ldu, double* vt, lapack_int ldvt,
                           double* q, lapack_int* iq )
{
    lapack_int info = 0;
    /* Additional scalars declarations for work arrays */
    size_t lwork;
    lapack_int* iwork = NULL;
    double* work = NULL;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_dbdsdc", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_d_nancheck( n, d, 1 ) ) {
        return -5;
    }
    if( LAPACKE_d_nancheck( n, e, 1 ) ) {
        return -6;
    }
#endif
    /* Additional scalars initializations for work arrays */
    if( LAPACKE_lsame( compq, 'i' ) ) {
        lwork = (size_t)3*MAX(1,n)*MAX(1,n)+4*MAX(1,n);
    } else if( LAPACKE_lsame( compq, 'p' ) ) {
        lwork = MAX(1,6*n);
    } else if( LAPACKE_lsame( compq, 'n' ) ) {
        lwork = MAX(1,4*n);
    } else {
        lwork = 1; /* Any value */
    }
    /* Allocate memory for working array(s) */
    iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,8*n) );
    if( iwork == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    work = (double*)LAPACKE_malloc( sizeof(double) * lwork );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_1;
    }
    /* Call middle-level interface */
    info = LAPACKE_dbdsdc_work( matrix_layout, uplo, compq, n, d, e, u, ldu, vt,
                                ldvt, q, iq, work, iwork );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_1:
    LAPACKE_free( iwork );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_dbdsdc", info );
    }
    return info;
}

lapack_logical LAPACKE_dgt_nancheck( lapack_int n,
                                      const double *dl,
                                      const double *d,
                                      const double *du )
{
    return LAPACKE_d_nancheck( n-1, dl, 1 )
        || LAPACKE_d_nancheck( n  , d,  1 )
        || LAPACKE_d_nancheck( n-1, du, 1 );
}

lapack_int LAPACKE_dbdsqr( int matrix_layout, char uplo, lapack_int n,
                           lapack_int ncvt, lapack_int nru, lapack_int ncc,
                           double* d, double* e, double* vt, lapack_int ldvt,
                           double* u, lapack_int ldu, double* c,
                           lapack_int ldc )
{
    lapack_int info = 0;
    double* work = NULL;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_dbdsqr", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( ncc != 0 ) {
        if( LAPACKE_dge_nancheck( matrix_layout, n, ncc, c, ldc ) ) {
            return -13;
        }
    }
    if( LAPACKE_d_nancheck( n, d, 1 ) ) {
        return -7;
    }
    if( LAPACKE_d_nancheck( n-1, e, 1 ) ) {
        return -8;
    }
    if( nru != 0 ) {
        if( LAPACKE_dge_nancheck( matrix_layout, nru, n, u, ldu ) ) {
            return -11;
        }
    }
    if( ncvt != 0 ) {
        if( LAPACKE_dge_nancheck( matrix_layout, n, ncvt, vt, ldvt ) ) {
            return -9;
        }
    }
#endif
    /* Allocate memory for working array(s) */
    work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,4*n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    /* Call middle-level interface */
    info = LAPACKE_dbdsqr_work( matrix_layout, uplo, n, ncvt, nru, ncc, d, e, vt,
                                ldvt, u, ldu, c, ldc, work );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_dbdsqr", info );
    }
    return info;
}

lapack_int LAPACKE_dgglse( int matrix_order, lapack_int m, lapack_int n,
                           lapack_int p, double* a, lapack_int lda, double* b,
                           lapack_int ldb, double* c, double* d, double* x )
{
    lapack_int info = 0;
    lapack_int lwork = -1;
    double* work = NULL;
    double work_query;
    if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_dgglse", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_dge_nancheck( matrix_order, m, n, a, lda ) ) {
        return -5;
    }
    if( LAPACKE_dge_nancheck( matrix_order, p, n, b, ldb ) ) {
        return -7;
    }
    if( LAPACKE_d_nancheck( m, c, 1 ) ) {
        return -9;
    }
    if( LAPACKE_d_nancheck( p, d, 1 ) ) {
        return -10;
    }
#endif
    /* Query optimal working array(s) size */
    info = LAPACKE_dgglse_work( matrix_order, m, n, p, a, lda, b, ldb, c, d, x,
                                &work_query, lwork );
    if( info != 0 ) {
        goto exit_level_0;
    }
    lwork = (lapack_int)work_query;
    /* Allocate memory for work arrays */
    work = (double*)LAPACKE_malloc( sizeof(double) * lwork );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    /* Call middle-level interface */
    info = LAPACKE_dgglse_work( matrix_order, m, n, p, a, lda, b, ldb, c, d, x,
                                work, lwork );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_dgglse", info );
    }
    return info;
}

lapack_int LAPACKE_dlarfg( lapack_int n, double* alpha, double* x,
                           lapack_int incx, double* tau )
{
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_d_nancheck( 1, alpha, 1 ) ) {
        return -2;
    }
    if( LAPACKE_d_nancheck( 1+(n-2)*ABS(incx), x, incx ) ) {
        return -3;
    }
#endif
    return LAPACKE_dlarfg_work( n, alpha, x, incx, tau );
}

lapack_int LAPACKE_dlartgp( double f, double g, double* cs, double* sn,
                            double* r )
{
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_d_nancheck( 1, &f, 1 ) ) {
        return -1;
    }
    if( LAPACKE_d_nancheck( 1, &g, 1 ) ) {
        return -2;
    }
#endif
    return LAPACKE_dlartgp_work( f, g, cs, sn, r );
}

lapack_int LAPACKE_dptrfs( int matrix_order, lapack_int n, lapack_int nrhs,
                           const double* d, const double* e, const double* df,
                           const double* ef, const double* b, lapack_int ldb,
                           double* x, lapack_int ldx, double* ferr,
                           double* berr )
{
    lapack_int info = 0;
    double* work = NULL;
    if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_dptrfs", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_dge_nancheck( matrix_order, n, nrhs, b, ldb ) ) {
        return -8;
    }
    if( LAPACKE_d_nancheck( n, d, 1 ) ) {
        return -4;
    }
    if( LAPACKE_d_nancheck( n, df, 1 ) ) {
        return -6;
    }
    if( LAPACKE_d_nancheck( n-1, e, 1 ) ) {
        return -5;
    }
    if( LAPACKE_d_nancheck( n-1, ef, 1 ) ) {
        return -7;
    }
    if( LAPACKE_dge_nancheck( matrix_order, n, nrhs, x, ldx ) ) {
        return -10;
    }
#endif
    /* Allocate memory for working array(s) */
    work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,2*n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    /* Call middle-level interface */
    info = LAPACKE_dptrfs_work( matrix_order, n, nrhs, d, e, df, ef, b, ldb, x,
                                ldx, ferr, berr, work );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_dptrfs", info );
    }
    return info;
}

lapack_int LAPACKE_dgtcon( char norm, lapack_int n, const double* dl,
                           const double* d, const double* du, const double* du2,
                           const lapack_int* ipiv, double anorm, double* rcond )
{
    lapack_int info = 0;
    lapack_int* iwork = NULL;
    double* work = NULL;
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_d_nancheck( 1, &anorm, 1 ) ) {
        return -8;
    }
    if( LAPACKE_d_nancheck( n, d, 1 ) ) {
        return -4;
    }
    if( LAPACKE_d_nancheck( n-1, dl, 1 ) ) {
        return -3;
    }
    if( LAPACKE_d_nancheck( n-1, du, 1 ) ) {
        return -5;
    }
    if( LAPACKE_d_nancheck( n-2, du2, 1 ) ) {
        return -6;
    }
#endif
    /* Allocate memory for working array(s) */
    iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
    if( iwork == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,2*n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_1;
    }
    /* Call middle-level interface */
    info = LAPACKE_dgtcon_work( norm, n, dl, d, du, du2, ipiv, anorm, rcond,
                                work, iwork );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_1:
    LAPACKE_free( iwork );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_dgtcon", info );
    }
    return info;
}

lapack_int LAPACKE_zstein( int matrix_order, lapack_int n, const double* d,
                           const double* e, lapack_int m, const double* w,
                           const lapack_int* iblock, const lapack_int* isplit,
                           lapack_complex_double* z, lapack_int ldz,
                           lapack_int* ifailv )
{
    lapack_int info = 0;
    lapack_int* iwork = NULL;
    double* work = NULL;
    if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_zstein", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_d_nancheck( n, d, 1 ) ) {
        return -3;
    }
    if( LAPACKE_d_nancheck( n, e, 1 ) ) {
        return -4;
    }
    if( LAPACKE_d_nancheck( n, w, 1 ) ) {
        return -6;
    }
#endif
    /* Allocate memory for working array(s) */
    iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
    if( iwork == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,5*n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_1;
    }
    /* Call middle-level interface */
    info = LAPACKE_zstein_work( matrix_order, n, d, e, m, w, iblock, isplit, z,
                                ldz, work, iwork, ifailv );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_1:
    LAPACKE_free( iwork );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_zstein", info );
    }
    return info;
}