FLA_Scal_external.c File Reference

(r12600)

Functions
FLA_Error	FLA_Scal_external (FLA_Obj alpha, FLA_Obj A)

---

Function Documentation

FLA_Error FLA_Scal_external	(	FLA_Obj	alpha,
		FLA_Obj	A
	)

References bl1_cscalm(), bl1_csscalm(), bl1_dscalm(), bl1_sscalm(), bl1_zdscalm(), bl1_zscalm(), FLA_Check_error_level(), FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_equals(), FLA_Obj_has_zero_dim(), FLA_Obj_is_constant(), FLA_Obj_length(), FLA_Obj_row_stride(), FLA_Obj_width(), FLA_ONE, FLA_Param_map_flame_to_blis_conj(), FLA_Scal_check(), FLA_Set(), and FLA_ZERO.

Referenced by FLA_Dot2cs_external(), FLA_Dot2s_external(), FLA_Dotcs_external(), FLA_Dots_external(), FLA_Eig_gest_il_unb_var3(), FLA_Eig_gest_il_unb_var4(), FLA_Eig_gest_il_unb_var5(), FLA_Eig_gest_iu_unb_var3(), FLA_Eig_gest_iu_unb_var4(), FLA_Eig_gest_iu_unb_var5(), FLA_Eig_gest_nl_unb_var1(), FLA_Eig_gest_nl_unb_var2(), FLA_Eig_gest_nl_unb_var4(), FLA_Eig_gest_nl_unb_var5(), FLA_Eig_gest_nu_unb_var1(), FLA_Eig_gest_nu_unb_var2(), FLA_Eig_gest_nu_unb_var4(), FLA_Eig_gest_nu_unb_var5(), FLA_Gemm_cc_unb_var1(), FLA_Gemm_cc_unb_var2(), FLA_Gemm_cc_unb_var3(), FLA_Gemm_cc_unb_var4(), FLA_Gemm_cc_unb_var5(), FLA_Gemm_cc_unb_var6(), FLA_Gemm_ch_unb_var1(), FLA_Gemm_ch_unb_var2(), FLA_Gemm_ch_unb_var3(), FLA_Gemm_ch_unb_var4(), FLA_Gemm_ch_unb_var5(), FLA_Gemm_ch_unb_var6(), FLA_Gemm_cn_unb_var1(), FLA_Gemm_cn_unb_var2(), FLA_Gemm_cn_unb_var3(), FLA_Gemm_cn_unb_var4(), FLA_Gemm_cn_unb_var5(), FLA_Gemm_cn_unb_var6(), FLA_Gemm_ct_unb_var1(), FLA_Gemm_ct_unb_var2(), FLA_Gemm_ct_unb_var3(), FLA_Gemm_ct_unb_var4(), FLA_Gemm_ct_unb_var5(), FLA_Gemm_ct_unb_var6(), FLA_Gemm_external(), FLA_Gemm_hc_unb_var1(), FLA_Gemm_hc_unb_var2(), FLA_Gemm_hc_unb_var3(), FLA_Gemm_hc_unb_var4(), FLA_Gemm_hc_unb_var5(), FLA_Gemm_hc_unb_var6(), FLA_Gemm_hh_unb_var1(), FLA_Gemm_hh_unb_var2(), FLA_Gemm_hh_unb_var3(), FLA_Gemm_hh_unb_var4(), FLA_Gemm_hh_unb_var5(), FLA_Gemm_hh_unb_var6(), FLA_Gemm_hn_unb_var1(), FLA_Gemm_hn_unb_var2(), FLA_Gemm_hn_unb_var3(), FLA_Gemm_hn_unb_var4(), FLA_Gemm_hn_unb_var5(), FLA_Gemm_hn_unb_var6(), FLA_Gemm_ht_unb_var1(), FLA_Gemm_ht_unb_var2(), FLA_Gemm_ht_unb_var3(), FLA_Gemm_ht_unb_var4(), FLA_Gemm_ht_unb_var5(), FLA_Gemm_ht_unb_var6(), FLA_Gemm_nc_unb_var1(), FLA_Gemm_nc_unb_var2(), FLA_Gemm_nc_unb_var3(), FLA_Gemm_nc_unb_var4(), FLA_Gemm_nc_unb_var5(), FLA_Gemm_nc_unb_var6(), FLA_Gemm_nh_unb_var1(), FLA_Gemm_nh_unb_var2(), FLA_Gemm_nh_unb_var3(), FLA_Gemm_nh_unb_var4(), FLA_Gemm_nh_unb_var5(), FLA_Gemm_nh_unb_var6(), FLA_Gemm_nn_unb_var1(), FLA_Gemm_nn_unb_var2(), FLA_Gemm_nn_unb_var3(), FLA_Gemm_nn_unb_var4(), FLA_Gemm_nn_unb_var5(), FLA_Gemm_nn_unb_var6(), FLA_Gemm_nt_unb_var1(), FLA_Gemm_nt_unb_var2(), FLA_Gemm_nt_unb_var3(), FLA_Gemm_nt_unb_var4(), FLA_Gemm_nt_unb_var5(), FLA_Gemm_nt_unb_var6(), FLA_Gemm_tc_unb_var1(), FLA_Gemm_tc_unb_var2(), FLA_Gemm_tc_unb_var3(), FLA_Gemm_tc_unb_var4(), FLA_Gemm_tc_unb_var5(), FLA_Gemm_tc_unb_var6(), FLA_Gemm_th_unb_var1(), FLA_Gemm_th_unb_var2(), FLA_Gemm_th_unb_var3(), FLA_Gemm_th_unb_var4(), FLA_Gemm_th_unb_var5(), FLA_Gemm_th_unb_var6(), FLA_Gemm_tn_unb_var1(), FLA_Gemm_tn_unb_var2(), FLA_Gemm_tn_unb_var3(), FLA_Gemm_tn_unb_var4(), FLA_Gemm_tn_unb_var5(), FLA_Gemm_tn_unb_var6(), FLA_Gemm_tt_unb_var1(), FLA_Gemm_tt_unb_var2(), FLA_Gemm_tt_unb_var3(), FLA_Gemm_tt_unb_var4(), FLA_Gemm_tt_unb_var5(), FLA_Gemm_tt_unb_var6(), FLA_Gemv_external(), FLA_Gemvc_external(), FLA_Hemm_ll_unb_var1(), FLA_Hemm_ll_unb_var2(), FLA_Hemm_ll_unb_var3(), FLA_Hemm_ll_unb_var4(), FLA_Hemm_ll_unb_var5(), FLA_Hemm_ll_unb_var6(), FLA_Hemm_ll_unb_var7(), FLA_Hemm_ll_unb_var8(), FLA_Hemm_lu_unb_var1(), FLA_Hemm_lu_unb_var2(), FLA_Hemm_lu_unb_var3(), FLA_Hemm_lu_unb_var4(), FLA_Hemm_lu_unb_var5(), FLA_Hemm_lu_unb_var6(), FLA_Hemm_lu_unb_var7(), FLA_Hemm_lu_unb_var8(), FLA_Hemm_rl_unb_var1(), FLA_Hemm_rl_unb_var2(), FLA_Hemm_rl_unb_var3(), FLA_Hemm_rl_unb_var4(), FLA_Hemm_rl_unb_var5(), FLA_Hemm_rl_unb_var6(), FLA_Hemm_rl_unb_var7(), FLA_Hemm_rl_unb_var8(), FLA_Hemm_ru_unb_var1(), FLA_Hemm_ru_unb_var2(), FLA_Hemm_ru_unb_var3(), FLA_Hemm_ru_unb_var4(), FLA_Hemm_ru_unb_var5(), FLA_Hemm_ru_unb_var6(), FLA_Hemm_ru_unb_var7(), FLA_Hemm_ru_unb_var8(), FLA_Her2k_external(), FLA_Herk_external(), FLA_Scal(), FLA_Scal_task(), FLA_Symm_ll_unb_var1(), FLA_Symm_ll_unb_var2(), FLA_Symm_ll_unb_var3(), FLA_Symm_ll_unb_var4(), FLA_Symm_ll_unb_var5(), FLA_Symm_ll_unb_var6(), FLA_Symm_ll_unb_var7(), FLA_Symm_ll_unb_var8(), FLA_Symm_lu_unb_var1(), FLA_Symm_lu_unb_var2(), FLA_Symm_lu_unb_var3(), FLA_Symm_lu_unb_var4(), FLA_Symm_lu_unb_var5(), FLA_Symm_lu_unb_var6(), FLA_Symm_lu_unb_var7(), FLA_Symm_lu_unb_var8(), FLA_Symm_rl_unb_var1(), FLA_Symm_rl_unb_var2(), FLA_Symm_rl_unb_var3(), FLA_Symm_rl_unb_var4(), FLA_Symm_rl_unb_var5(), FLA_Symm_rl_unb_var6(), FLA_Symm_rl_unb_var7(), FLA_Symm_rl_unb_var8(), FLA_Symm_ru_unb_var1(), FLA_Symm_ru_unb_var2(), FLA_Symm_ru_unb_var3(), FLA_Symm_ru_unb_var4(), FLA_Symm_ru_unb_var5(), FLA_Symm_ru_unb_var6(), FLA_Symm_ru_unb_var7(), FLA_Symm_ru_unb_var8(), FLA_Syr2k_external(), FLA_Syrk_external(), FLA_Trinv_ln_unb_var1(), FLA_Trinv_ln_unb_var2(), FLA_Trinv_ln_unb_var3(), FLA_Trinv_ln_unb_var4(), FLA_Trinv_lu_unb_var1(), FLA_Trinv_lu_unb_var2(), FLA_Trinv_lu_unb_var3(), FLA_Trinv_lu_unb_var4(), FLA_Trinv_un_unb_var1(), FLA_Trinv_un_unb_var2(), FLA_Trinv_un_unb_var3(), FLA_Trinv_un_unb_var4(), FLA_Trinv_uu_unb_var1(), FLA_Trinv_uu_unb_var2(), FLA_Trinv_uu_unb_var3(), FLA_Trinv_uu_unb_var4(), FLA_Trmm_llc_unb_var1(), FLA_Trmm_llc_unb_var2(), FLA_Trmm_llc_unb_var3(), FLA_Trmm_llc_unb_var4(), FLA_Trmm_llh_unb_var1(), FLA_Trmm_llh_unb_var2(), FLA_Trmm_llh_unb_var3(), FLA_Trmm_llh_unb_var4(), FLA_Trmm_lln_unb_var1(), FLA_Trmm_lln_unb_var2(), FLA_Trmm_lln_unb_var3(), FLA_Trmm_lln_unb_var4(), FLA_Trmm_llt_unb_var1(), FLA_Trmm_llt_unb_var2(), FLA_Trmm_llt_unb_var3(), FLA_Trmm_llt_unb_var4(), FLA_Trmm_luc_unb_var1(), FLA_Trmm_luc_unb_var2(), FLA_Trmm_luc_unb_var3(), FLA_Trmm_luc_unb_var4(), FLA_Trmm_luh_unb_var1(), FLA_Trmm_luh_unb_var2(), FLA_Trmm_luh_unb_var3(), FLA_Trmm_luh_unb_var4(), FLA_Trmm_lun_unb_var1(), FLA_Trmm_lun_unb_var2(), FLA_Trmm_lun_unb_var3(), FLA_Trmm_lun_unb_var4(), FLA_Trmm_lut_unb_var1(), FLA_Trmm_lut_unb_var2(), FLA_Trmm_lut_unb_var3(), FLA_Trmm_lut_unb_var4(), FLA_Trmm_rlc_unb_var1(), FLA_Trmm_rlc_unb_var2(), FLA_Trmm_rlc_unb_var3(), FLA_Trmm_rlc_unb_var4(), FLA_Trmm_rlh_unb_var1(), FLA_Trmm_rlh_unb_var2(), FLA_Trmm_rlh_unb_var3(), FLA_Trmm_rlh_unb_var4(), FLA_Trmm_rln_unb_var1(), FLA_Trmm_rln_unb_var2(), FLA_Trmm_rln_unb_var3(), FLA_Trmm_rln_unb_var4(), FLA_Trmm_rlt_unb_var1(), FLA_Trmm_rlt_unb_var2(), FLA_Trmm_rlt_unb_var3(), FLA_Trmm_rlt_unb_var4(), FLA_Trmm_ruc_unb_var1(), FLA_Trmm_ruc_unb_var2(), FLA_Trmm_ruc_unb_var3(), FLA_Trmm_ruc_unb_var4(), FLA_Trmm_ruh_unb_var1(), FLA_Trmm_ruh_unb_var2(), FLA_Trmm_ruh_unb_var3(), FLA_Trmm_ruh_unb_var4(), FLA_Trmm_run_unb_var1(), FLA_Trmm_run_unb_var2(), FLA_Trmm_run_unb_var3(), FLA_Trmm_run_unb_var4(), FLA_Trmm_rut_unb_var1(), FLA_Trmm_rut_unb_var2(), FLA_Trmm_rut_unb_var3(), FLA_Trmm_rut_unb_var4(), FLA_Trmvsx_external(), FLA_Trsm_llc_unb_var1(), FLA_Trsm_llc_unb_var2(), FLA_Trsm_llc_unb_var3(), FLA_Trsm_llc_unb_var4(), FLA_Trsm_llh_unb_var1(), FLA_Trsm_llh_unb_var2(), FLA_Trsm_llh_unb_var3(), FLA_Trsm_llh_unb_var4(), FLA_Trsm_lln_unb_var1(), FLA_Trsm_lln_unb_var2(), FLA_Trsm_lln_unb_var3(), FLA_Trsm_lln_unb_var4(), FLA_Trsm_llt_unb_var1(), FLA_Trsm_llt_unb_var2(), FLA_Trsm_llt_unb_var3(), FLA_Trsm_llt_unb_var4(), FLA_Trsm_luc_unb_var1(), FLA_Trsm_luc_unb_var2(), FLA_Trsm_luc_unb_var3(), FLA_Trsm_luc_unb_var4(), FLA_Trsm_luh_unb_var1(), FLA_Trsm_luh_unb_var2(), FLA_Trsm_luh_unb_var3(), FLA_Trsm_luh_unb_var4(), FLA_Trsm_lun_unb_var1(), FLA_Trsm_lun_unb_var2(), FLA_Trsm_lun_unb_var3(), FLA_Trsm_lun_unb_var4(), FLA_Trsm_lut_unb_var1(), FLA_Trsm_lut_unb_var2(), FLA_Trsm_lut_unb_var3(), FLA_Trsm_lut_unb_var4(), FLA_Trsm_rlc_unb_var1(), FLA_Trsm_rlc_unb_var2(), FLA_Trsm_rlc_unb_var3(), FLA_Trsm_rlc_unb_var4(), FLA_Trsm_rlh_unb_var1(), FLA_Trsm_rlh_unb_var2(), FLA_Trsm_rlh_unb_var3(), FLA_Trsm_rlh_unb_var4(), FLA_Trsm_rln_unb_var1(), FLA_Trsm_rln_unb_var2(), FLA_Trsm_rln_unb_var3(), FLA_Trsm_rln_unb_var4(), FLA_Trsm_rlt_unb_var1(), FLA_Trsm_rlt_unb_var2(), FLA_Trsm_rlt_unb_var3(), FLA_Trsm_rlt_unb_var4(), FLA_Trsm_ruc_unb_var1(), FLA_Trsm_ruc_unb_var2(), FLA_Trsm_ruc_unb_var3(), FLA_Trsm_ruc_unb_var4(), FLA_Trsm_ruh_unb_var1(), FLA_Trsm_ruh_unb_var2(), FLA_Trsm_ruh_unb_var3(), FLA_Trsm_ruh_unb_var4(), FLA_Trsm_run_unb_var1(), FLA_Trsm_run_unb_var2(), FLA_Trsm_run_unb_var3(), FLA_Trsm_run_unb_var4(), FLA_Trsm_rut_unb_var1(), FLA_Trsm_rut_unb_var2(), FLA_Trsm_rut_unb_var3(), FLA_Trsm_rut_unb_var4(), FLA_Trsvsx_external(), FLA_Ttmm_l_unb_var1(), FLA_Ttmm_l_unb_var2(), FLA_Ttmm_u_unb_var1(), and FLA_Ttmm_u_unb_var2().

{
  FLA_Datatype datatype, dt_alpha;
  int          m_A, n_A;
  int          rs_A, cs_A;
  conj1_t       blis_conj;

  if ( FLA_Check_error_level() == FLA_FULL_ERROR_CHECKING )
    FLA_Scal_check( alpha, A );

  if ( FLA_Obj_has_zero_dim( A ) ) return FLA_SUCCESS;

  if ( FLA_Obj_equals( alpha, FLA_ONE ) )
  {
    return FLA_SUCCESS;
  }
  else if ( FLA_Obj_equals( alpha, FLA_ZERO ) )
  {
    FLA_Set( FLA_ZERO, A );
    return FLA_SUCCESS;
  }

  datatype = FLA_Obj_datatype( A );

  m_A      = FLA_Obj_length( A );
  n_A      = FLA_Obj_width( A );
  rs_A     = FLA_Obj_row_stride( A );
  cs_A     = FLA_Obj_col_stride( A );

  if ( FLA_Obj_is_constant( alpha ) )
    dt_alpha = datatype;
  else
    dt_alpha = FLA_Obj_datatype( alpha );

  FLA_Param_map_flame_to_blis_conj( FLA_NO_CONJUGATE, &blis_conj );

  switch ( datatype ){

  case FLA_FLOAT:
  {
    float *buff_A     = ( float * ) FLA_FLOAT_PTR( A );
    float *buff_alpha = ( float * ) FLA_FLOAT_PTR( alpha );

    bl1_sscalm( blis_conj,
                m_A,
                n_A,
                buff_alpha,
                buff_A, rs_A, cs_A );

    break;
  }

  case FLA_DOUBLE:
  {
    double *buff_A     = ( double * ) FLA_DOUBLE_PTR( A );
    double *buff_alpha = ( double * ) FLA_DOUBLE_PTR( alpha );

    bl1_dscalm( blis_conj,
                m_A,
                n_A,
                buff_alpha,
                buff_A, rs_A, cs_A );

    break;
  }

  case FLA_COMPLEX:
  {
    if ( dt_alpha == FLA_COMPLEX )
    {
      scomplex *buff_A     = ( scomplex * ) FLA_COMPLEX_PTR( A );
      scomplex *buff_alpha = ( scomplex * ) FLA_COMPLEX_PTR( alpha );

      bl1_cscalm( blis_conj,
                  m_A,
                  n_A,
                  buff_alpha,
                  buff_A, rs_A, cs_A );
    }
    else if ( dt_alpha == FLA_FLOAT )
    {
      scomplex *buff_A     = ( scomplex * ) FLA_COMPLEX_PTR( A );
      float    *buff_alpha = ( float    * ) FLA_FLOAT_PTR( alpha );

      bl1_csscalm( blis_conj,
                   m_A,
                   n_A,
                   buff_alpha,
                   buff_A, rs_A, cs_A );
    }

    break;
  }

  case FLA_DOUBLE_COMPLEX:
  {
    if ( dt_alpha == FLA_DOUBLE_COMPLEX )
    {
      dcomplex *buff_A     = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( A );
      dcomplex *buff_alpha = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( alpha );

      bl1_zscalm( blis_conj,
                  m_A,
                  n_A,
                  buff_alpha,
                  buff_A, rs_A, cs_A );
    }
    else if ( dt_alpha == FLA_DOUBLE )
    {
      dcomplex *buff_A     = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( A );
      double   *buff_alpha = ( double   * ) FLA_DOUBLE_PTR( alpha );

      bl1_zdscalm( blis_conj,
                   m_A,
                   n_A,
                   buff_alpha,
                   buff_A, rs_A, cs_A );
    }

    break;
  }

  }

  return FLA_SUCCESS;
}