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Functions
bli_scalmr.c File Reference

(r)

Functions

void bli_sscalmr (uplo_t uplo, int m, int n, float *alpha, float *a, int a_rs, int a_cs)
void bli_dscalmr (uplo_t uplo, int m, int n, double *alpha, double *a, int a_rs, int a_cs)
void bli_csscalmr (uplo_t uplo, int m, int n, float *alpha, scomplex *a, int a_rs, int a_cs)
void bli_cscalmr (uplo_t uplo, int m, int n, scomplex *alpha, scomplex *a, int a_rs, int a_cs)
void bli_zdscalmr (uplo_t uplo, int m, int n, double *alpha, dcomplex *a, int a_rs, int a_cs)
void bli_zscalmr (uplo_t uplo, int m, int n, dcomplex *alpha, dcomplex *a, int a_rs, int a_cs)

Function Documentation

void bli_cscalmr ( uplo_t  uplo,
int  m,
int  n,
scomplex alpha,
scomplex a,
int  a_rs,
int  a_cs 
)

References bli_cscal(), bli_is_row_storage(), bli_is_upper(), and bli_zero_dim2().

Referenced by FLA_Scalr_external().

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

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

    // We initialize for column-major.
    n_iter     = n;
    n_elem_max = 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_max );
        bli_swap_ints( lda, inca );
        bli_toggle_uplo( uplo );
    }
    
    if ( bli_is_upper( uplo ) )
    {
        for ( j = 0; j < n_iter; j++ )
        {
            n_elem  = bli_min( j + 1, n_elem_max );
            a_begin = a + j*lda;

            bli_cscal( n_elem,
                       alpha,
                       a_begin, inca );
        }
    }
    else // if ( bli_is_lower( uplo ) )
    {
        for ( j = 0; j < n_iter; j++ )
        {
            n_elem  = bli_max( 0, n_elem_max - j );
            a_begin = a + j*lda + j*inca;

            if ( n_elem <= 0 ) break;

            bli_cscal( n_elem,
                       alpha,
                       a_begin, inca );
        }
    }
}
void bli_csscalmr ( uplo_t  uplo,
int  m,
int  n,
float *  alpha,
scomplex a,
int  a_rs,
int  a_cs 
)

References bli_csscal(), bli_is_row_storage(), bli_is_upper(), and bli_zero_dim2().

Referenced by bli_cher2k(), bli_cherk(), and FLA_Scalr_external().

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

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

    // We initialize for column-major.
    n_iter     = n;
    n_elem_max = 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_max );
        bli_swap_ints( lda, inca );
        bli_toggle_uplo( uplo );
    }
    
    if ( bli_is_upper( uplo ) )
    {
        for ( j = 0; j < n_iter; j++ )
        {
            n_elem  = bli_min( j + 1, n_elem_max );
            a_begin = a + j*lda;

            bli_csscal( n_elem,
                        alpha,
                        a_begin, inca );
        }
    }
    else // if ( bli_is_lower( uplo ) )
    {
        for ( j = 0; j < n_iter; j++ )
        {
            n_elem  = bli_max( 0, n_elem_max - j );
            a_begin = a + j*lda + j*inca;

            if ( n_elem <= 0 ) break;

            bli_csscal( n_elem,
                        alpha,
                        a_begin, inca );
        }
    }
}
void bli_dscalmr ( uplo_t  uplo,
int  m,
int  n,
double *  alpha,
double *  a,
int  a_rs,
int  a_cs 
)

References bli_dscal(), bli_is_row_storage(), bli_is_upper(), and bli_zero_dim2().

Referenced by FLA_Scalr_external().

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

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

    // We initialize for column-major.
    n_iter     = n;
    n_elem_max = 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_max );
        bli_swap_ints( lda, inca );
        bli_toggle_uplo( uplo );
    }
    
    if ( bli_is_upper( uplo ) )
    {
        for ( j = 0; j < n_iter; j++ )
        {
            n_elem  = bli_min( j + 1, n_elem_max );
            a_begin = a + j*lda;

            bli_dscal( n_elem,
                       alpha,
                       a_begin, inca );
        }
    }
    else // if ( bli_is_lower( uplo ) )
    {
        for ( j = 0; j < n_iter; j++ )
        {
            n_elem  = bli_max( 0, n_elem_max - j );
            a_begin = a + j*lda + j*inca;

            if ( n_elem <= 0 ) break;

            bli_dscal( n_elem,
                       alpha,
                       a_begin, inca );
        }
    }
}
void bli_sscalmr ( uplo_t  uplo,
int  m,
int  n,
float *  alpha,
float *  a,
int  a_rs,
int  a_cs 
)

References bli_is_row_storage(), bli_is_upper(), bli_sscal(), and bli_zero_dim2().

Referenced by FLA_Scalr_external().

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

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

    // We initialize for column-major.
    n_iter     = n;
    n_elem_max = 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_max );
        bli_swap_ints( lda, inca );
        bli_toggle_uplo( uplo );
    }
    
    if ( bli_is_upper( uplo ) )
    {
        for ( j = 0; j < n_iter; j++ )
        {
            n_elem  = bli_min( j + 1, n_elem_max );
            a_begin = a + j*lda;

            bli_sscal( n_elem,
                       alpha,
                       a_begin, inca );
        }
    }
    else // if ( bli_is_lower( uplo ) )
    {
        for ( j = 0; j < n_iter; j++ )
        {
            n_elem  = bli_max( 0, n_elem_max - j );
            a_begin = a + j*lda + j*inca;

            if ( n_elem <= 0 ) break;

            bli_sscal( n_elem,
                       alpha,
                       a_begin, inca );
        }
    }
}
void bli_zdscalmr ( uplo_t  uplo,
int  m,
int  n,
double *  alpha,
dcomplex a,
int  a_rs,
int  a_cs 
)

References bli_is_row_storage(), bli_is_upper(), bli_zdscal(), and bli_zero_dim2().

Referenced by bli_zher2k(), bli_zherk(), and FLA_Scalr_external().

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

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

    // We initialize for column-major.
    n_iter     = n;
    n_elem_max = 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_max );
        bli_swap_ints( lda, inca );
        bli_toggle_uplo( uplo );
    }
    
    if ( bli_is_upper( uplo ) )
    {
        for ( j = 0; j < n_iter; j++ )
        {
            n_elem  = bli_min( j + 1, n_elem_max );
            a_begin = a + j*lda;

            bli_zdscal( n_elem,
                        alpha,
                        a_begin, inca );
        }
    }
    else // if ( bli_is_lower( uplo ) )
    {
        for ( j = 0; j < n_iter; j++ )
        {
            n_elem  = bli_max( 0, n_elem_max - j );
            a_begin = a + j*lda + j*inca;

            if ( n_elem <= 0 ) break;

            bli_zdscal( n_elem,
                        alpha,
                        a_begin, inca );
        }
    }
}
void bli_zscalmr ( uplo_t  uplo,
int  m,
int  n,
dcomplex alpha,
dcomplex a,
int  a_rs,
int  a_cs 
)

References bli_is_row_storage(), bli_is_upper(), bli_zero_dim2(), and bli_zscal().

Referenced by FLA_Scalr_external().

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

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

    // We initialize for column-major.
    n_iter     = n;
    n_elem_max = 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_max );
        bli_swap_ints( lda, inca );
        bli_toggle_uplo( uplo );
    }
    
    if ( bli_is_upper( uplo ) )
    {
        for ( j = 0; j < n_iter; j++ )
        {
            n_elem  = bli_min( j + 1, n_elem_max );
            a_begin = a + j*lda;

            bli_zscal( n_elem,
                       alpha,
                       a_begin, inca );
        }
    }
    else // if ( bli_is_lower( uplo ) )
    {
        for ( j = 0; j < n_iter; j++ )
        {
            n_elem  = bli_max( 0, n_elem_max - j );
            a_begin = a + j*lda + j*inca;

            if ( n_elem <= 0 ) break;

            bli_zscal( n_elem,
                       alpha,
                       a_begin, inca );
        }
    }
}