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Functions
bli_invscalm.c File Reference

(r)

Functions

void bli_sinvscalm (char conj, int m, int n, float *alpha, float *a, int a_rs, int a_cs)
void bli_dinvscalm (char conj, int m, int n, double *alpha, double *a, int a_rs, int a_cs)
void bli_csinvscalm (char conj, int m, int n, float *alpha, scomplex *a, int a_rs, int a_cs)
void bli_cinvscalm (char conj, int m, int n, scomplex *alpha, scomplex *a, int a_rs, int a_cs)
void bli_zdinvscalm (char conj, int m, int n, double *alpha, dcomplex *a, int a_rs, int a_cs)
void bli_zinvscalm (char conj, int m, int n, dcomplex *alpha, dcomplex *a, int a_rs, int a_cs)

Function Documentation

void bli_cinvscalm ( char  conj,
int  m,
int  n,
scomplex alpha,
scomplex a,
int  a_rs,
int  a_cs 
)

References bli_cinvert2s(), bli_cscal(), bli_is_row_storage(), bli_is_vector(), bli_vector_dim(), bli_vector_inc(), and bli_zero_dim2().

Referenced by FLA_Inv_scal_external(), and FLA_Inv_scalc_external().

{
    scomplex  alpha_inv;
    scomplex* a_begin;
    int       lda, inca;
    int       n_iter;
    int       n_elem;
    int       j;

    // Return early if possible.
    if ( bli_zero_dim2( m, n ) ) return;
    if ( bli_ceq1( alpha ) ) return;

    // Handle cases where A is a vector to ensure that the underlying axpy
    // gets invoked only once.
    if ( bli_is_vector( m, n ) )
    {
        // Initialize with values appropriate for a vector.
        n_iter = 1;
        n_elem = bli_vector_dim( m, n );
        lda    = 1; // multiplied by zero when n_iter == 1; not needed.
        inca   = bli_vector_inc( BLIS_NO_TRANSPOSE, m, n, a_rs, a_cs );
    }
    else // matrix case
    {
        // Initialize with optimal values for column-major storage.
        n_iter = n;
        n_elem = m;
        lda    = a_cs;
        inca   = a_rs;

        // An optimization: if A is row-major, then let's access the matrix
        // by rows instead of by columns to increase spatial locality.
        if ( bli_is_row_storage( a_rs, a_cs ) )
        {
            bli_swap_ints( n_iter, n_elem );
            bli_swap_ints( lda, inca );
        }
    }

    bli_cinvert2s( conj, alpha, &alpha_inv );

    for ( j = 0; j < n_iter; j++ )
    {
        a_begin = a + j*lda;

        bli_cscal( n_elem,
                   &alpha_inv,
                   a_begin, inca );
    }
}
void bli_csinvscalm ( char  conj,
int  m,
int  n,
float *  alpha,
scomplex a,
int  a_rs,
int  a_cs 
)

References bli_csscal(), bli_is_row_storage(), bli_is_vector(), bli_sinvert2s(), bli_vector_dim(), bli_vector_inc(), and bli_zero_dim2().

Referenced by FLA_Inv_scal_external(), and FLA_Inv_scalc_external().

{
    float     alpha_inv;
    scomplex* a_begin;
    int       lda, inca;
    int       n_iter;
    int       n_elem;
    int       j;

    // Return early if possible.
    if ( bli_zero_dim2( m, n ) ) return;
    if ( bli_seq1( alpha ) ) return;

    // Handle cases where A is a vector to ensure that the underlying axpy
    // gets invoked only once.
    if ( bli_is_vector( m, n ) )
    {
        // Initialize with values appropriate for a vector.
        n_iter = 1;
        n_elem = bli_vector_dim( m, n );
        lda    = 1; // multiplied by zero when n_iter == 1; not needed.
        inca   = bli_vector_inc( BLIS_NO_TRANSPOSE, m, n, a_rs, a_cs );
    }
    else // matrix case
    {
        // Initialize with optimal values for column-major storage.
        n_iter = n;
        n_elem = m;
        lda    = a_cs;
        inca   = a_rs;

        // An optimization: if A is row-major, then let's access the matrix
        // by rows instead of by columns to increase spatial locality.
        if ( bli_is_row_storage( a_rs, a_cs ) )
        {
            bli_swap_ints( n_iter, n_elem );
            bli_swap_ints( lda, inca );
        }
    }

    bli_sinvert2s( conj, alpha, &alpha_inv );

    for ( j = 0; j < n_iter; j++ )
    {
        a_begin = a + j*lda;

        bli_csscal( n_elem,
                    &alpha_inv,
                    a_begin, inca );
    }
}
void bli_dinvscalm ( char  conj,
int  m,
int  n,
double *  alpha,
double *  a,
int  a_rs,
int  a_cs 
)

References bli_dinvert2s(), bli_dscal(), bli_is_row_storage(), bli_is_vector(), bli_vector_dim(), bli_vector_inc(), and bli_zero_dim2().

Referenced by FLA_Inv_scal_external(), and FLA_Inv_scalc_external().

{
    double    alpha_inv;
    double*   a_begin;
    int       lda, inca;
    int       n_iter;
    int       n_elem;
    int       j;

    // Return early if possible.
    if ( bli_zero_dim2( m, n ) ) return;
    if ( bli_deq1( alpha ) ) return;

    // Handle cases where A is a vector to ensure that the underlying axpy
    // gets invoked only once.
    if ( bli_is_vector( m, n ) )
    {
        // Initialize with values appropriate for a vector.
        n_iter = 1;
        n_elem = bli_vector_dim( m, n );
        lda    = 1; // multiplied by zero when n_iter == 1; not needed.
        inca   = bli_vector_inc( BLIS_NO_TRANSPOSE, m, n, a_rs, a_cs );
    }
    else // matrix case
    {
        // Initialize with optimal values for column-major storage.
        n_iter = n;
        n_elem = m;
        lda    = a_cs;
        inca   = a_rs;

        // An optimization: if A is row-major, then let's access the matrix
        // by rows instead of by columns to increase spatial locality.
        if ( bli_is_row_storage( a_rs, a_cs ) )
        {
            bli_swap_ints( n_iter, n_elem );
            bli_swap_ints( lda, inca );
        }
    }

    bli_dinvert2s( conj, alpha, &alpha_inv );

    for ( j = 0; j < n_iter; j++ )
    {
        a_begin = a + j*lda;

        bli_dscal( n_elem,
                   &alpha_inv,
                   a_begin, inca );
    }
}
void bli_sinvscalm ( char  conj,
int  m,
int  n,
float *  alpha,
float *  a,
int  a_rs,
int  a_cs 
)

References bli_is_row_storage(), bli_is_vector(), bli_sinvert2s(), bli_sscal(), bli_vector_dim(), bli_vector_inc(), and bli_zero_dim2().

Referenced by FLA_Inv_scal_external(), and FLA_Inv_scalc_external().

{
    float     alpha_inv;
    float*    a_begin;
    int       lda, inca;
    int       n_iter;
    int       n_elem;
    int       j;

    // Return early if possible.
    if ( bli_zero_dim2( m, n ) ) return;
    if ( bli_seq1( alpha ) ) return;

    // Handle cases where A is a vector to ensure that the underlying axpy
    // gets invoked only once.
    if ( bli_is_vector( m, n ) )
    {
        // Initialize with values appropriate for a vector.
        n_iter = 1;
        n_elem = bli_vector_dim( m, n );
        lda    = 1; // multiplied by zero when n_iter == 1; not needed.
        inca   = bli_vector_inc( BLIS_NO_TRANSPOSE, m, n, a_rs, a_cs );
    }
    else // matrix case
    {
        // Initialize with optimal values for column-major storage.
        n_iter = n;
        n_elem = m;
        lda    = a_cs;
        inca   = a_rs;

        // An optimization: if A is row-major, then let's access the matrix
        // by rows instead of by columns to increase spatial locality.
        if ( bli_is_row_storage( a_rs, a_cs ) )
        {
            bli_swap_ints( n_iter, n_elem );
            bli_swap_ints( lda, inca );
        }
    }

    bli_sinvert2s( conj, alpha, &alpha_inv );

    for ( j = 0; j < n_iter; j++ )
    {
        a_begin = a + j*lda;

        bli_sscal( n_elem,
                   &alpha_inv,
                   a_begin, inca );
    }
}
void bli_zdinvscalm ( char  conj,
int  m,
int  n,
double *  alpha,
dcomplex a,
int  a_rs,
int  a_cs 
)

References bli_dinvert2s(), bli_is_row_storage(), bli_is_vector(), bli_vector_dim(), bli_vector_inc(), bli_zdscal(), and bli_zero_dim2().

Referenced by FLA_Inv_scal_external(), and FLA_Inv_scalc_external().

{
    double    alpha_inv;
    dcomplex* a_begin;
    int       lda, inca;
    int       n_iter;
    int       n_elem;
    int       j;

    // Return early if possible.
    if ( bli_zero_dim2( m, n ) ) return;
    if ( bli_deq1( alpha ) ) return;

    // Handle cases where A is a vector to ensure that the underlying axpy
    // gets invoked only once.
    if ( bli_is_vector( m, n ) )
    {
        // Initialize with values appropriate for a vector.
        n_iter = 1;
        n_elem = bli_vector_dim( m, n );
        lda    = 1; // multiplied by zero when n_iter == 1; not needed.
        inca   = bli_vector_inc( BLIS_NO_TRANSPOSE, m, n, a_rs, a_cs );
    }
    else // matrix case
    {
        // Initialize with optimal values for column-major storage.
        n_iter = n;
        n_elem = m;
        lda    = a_cs;
        inca   = a_rs;

        // An optimization: if A is row-major, then let's access the matrix
        // by rows instead of by columns to increase spatial locality.
        if ( bli_is_row_storage( a_rs, a_cs ) )
        {
            bli_swap_ints( n_iter, n_elem );
            bli_swap_ints( lda, inca );
        }
    }

    bli_dinvert2s( conj, alpha, &alpha_inv );

    for ( j = 0; j < n_iter; j++ )
    {
        a_begin = a + j*lda;

        bli_zdscal( n_elem,
                    &alpha_inv,
                    a_begin, inca );
    }
}
void bli_zinvscalm ( char  conj,
int  m,
int  n,
dcomplex alpha,
dcomplex a,
int  a_rs,
int  a_cs 
)

References bli_is_row_storage(), bli_is_vector(), bli_vector_dim(), bli_vector_inc(), bli_zero_dim2(), bli_zinvert2s(), and bli_zscal().

Referenced by FLA_Inv_scal_external(), and FLA_Inv_scalc_external().

{
    dcomplex  alpha_inv;
    dcomplex* a_begin;
    int       lda, inca;
    int       n_iter;
    int       n_elem;
    int       j;

    // Return early if possible.
    if ( bli_zero_dim2( m, n ) ) return;
    if ( bli_zeq1( alpha ) ) return;

    // Handle cases where A is a vector to ensure that the underlying axpy
    // gets invoked only once.
    if ( bli_is_vector( m, n ) )
    {
        // Initialize with values appropriate for a vector.
        n_iter = 1;
        n_elem = bli_vector_dim( m, n );
        lda    = 1; // multiplied by zero when n_iter == 1; not needed.
        inca   = bli_vector_inc( BLIS_NO_TRANSPOSE, m, n, a_rs, a_cs );
    }
    else // matrix case
    {
        // Initialize with optimal values for column-major storage.
        n_iter = n;
        n_elem = m;
        lda    = a_cs;
        inca   = a_rs;

        // An optimization: if A is row-major, then let's access the matrix
        // by rows instead of by columns to increase spatial locality.
        if ( bli_is_row_storage( a_rs, a_cs ) )
        {
            bli_swap_ints( n_iter, n_elem );
            bli_swap_ints( lda, inca );
        }
    }

    bli_zinvert2s( conj, alpha, &alpha_inv );

    for ( j = 0; j < n_iter; j++ )
    {
        a_begin = a + j*lda;

        bli_zscal( n_elem,
                   &alpha_inv,
                   a_begin, inca );
    }
}