FLA_Inv_scal_external.c File Reference

(r12600)

Functions
FLA_Error	FLA_Inv_scal_external (FLA_Obj alpha, FLA_Obj A)

---

Function Documentation

FLA_Error FLA_Inv_scal_external	(	FLA_Obj	alpha,
		FLA_Obj	A
	)

References bl1_cinvscalm(), bl1_csinvscalm(), bl1_dinvscalm(), bl1_sinvscalm(), bl1_zdinvscalm(), bl1_zinvscalm(), FLA_Check_error_level(), FLA_Inv_scal_check(), 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, and FLA_Param_map_flame_to_blis_conj().

Referenced by FLA_Apply_H2_UT_r_unb_var1(), FLA_Chol_l_unb_var2(), FLA_Chol_l_unb_var3(), FLA_Chol_u_unb_var2(), FLA_Chol_u_unb_var3(), FLA_Eig_gest_il_unb_var1(), FLA_Eig_gest_il_unb_var2(), FLA_Eig_gest_il_unb_var3(), FLA_Eig_gest_il_unb_var4(), FLA_Eig_gest_il_unb_var5(), FLA_Eig_gest_iu_unb_var1(), FLA_Eig_gest_iu_unb_var2(), FLA_Eig_gest_iu_unb_var3(), FLA_Eig_gest_iu_unb_var4(), FLA_Eig_gest_iu_unb_var5(), FLA_Inv_scal(), FLA_LU_nopiv_unb_var3(), FLA_LU_nopiv_unb_var4(), FLA_LU_nopiv_unb_var5(), FLA_LU_piv_unb_var3(), FLA_LU_piv_unb_var3b(), FLA_LU_piv_unb_var4(), FLA_LU_piv_unb_var5(), FLA_Trinv_ln_unb_var1(), FLA_Trinv_ln_unb_var2(), FLA_Trinv_ln_unb_var3(), FLA_Trinv_un_unb_var1(), FLA_Trinv_un_unb_var2(), FLA_Trinv_un_unb_var3(), FLA_Trsm_lln_unb_var1(), FLA_Trsm_lln_unb_var2(), FLA_Trsm_llt_unb_var1(), FLA_Trsm_llt_unb_var2(), FLA_Trsm_lun_unb_var1(), FLA_Trsm_lun_unb_var2(), FLA_Trsm_lut_unb_var1(), FLA_Trsm_lut_unb_var2(), FLA_Trsm_rln_unb_var1(), FLA_Trsm_rln_unb_var2(), FLA_Trsm_rlt_unb_var1(), FLA_Trsm_rlt_unb_var2(), FLA_Trsm_run_unb_var1(), FLA_Trsm_run_unb_var2(), FLA_Trsm_rut_unb_var1(), and FLA_Trsm_rut_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_Inv_scal_check( alpha, A );

  if ( FLA_Obj_has_zero_dim( A ) ) return FLA_SUCCESS;

  if ( FLA_Obj_equals( alpha, FLA_ONE ) ) 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_sinvscalm( 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_dinvscalm( 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_cinvscalm( 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_csinvscalm( 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_zinvscalm( 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_zdinvscalm( blis_conj,
                      m_A,
                      n_A,
                      buff_alpha,
                      buff_A, rs_A, cs_A );
    }

    break;
  }

  }

  return FLA_SUCCESS;
}