FLA_Random_matrix.c File Reference

(r12600)

Functions
FLA_Error	FLA_Random_matrix (FLA_Obj A)

---

Function Documentation

FLA_Error FLA_Random_matrix

(

FLA_Obj

A

)

References bl1_crandm(), bl1_drandm(), bl1_srandm(), bl1_zrandm(), FLA_Check_error_level(), FLA_Obj_col_stride(), FLA_Obj_datatype(), FLA_Obj_length(), FLA_Obj_row_stride(), FLA_Obj_width(), and FLA_Random_matrix_check().

Referenced by FLA_Fill_with_random_dist(), FLA_Random_unitary_matrix(), and FLASH_Random_matrix().

{
  FLA_Datatype datatype;
  int          m_A, n_A;
  int          rs_A, cs_A;

  if ( FLA_Check_error_level() >= FLA_MIN_ERROR_CHECKING )
    FLA_Random_matrix_check( A );

  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 );


  switch( datatype ){

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

    bl1_srandm( m_A,
                n_A,
                buff_A, rs_A, cs_A );

    break;
  }

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

    bl1_drandm( m_A,
                n_A,
                buff_A, rs_A, cs_A );

    break;
  }

  case FLA_COMPLEX:
  {
    scomplex *buff_A = ( scomplex * ) FLA_COMPLEX_PTR( A );

    bl1_crandm( m_A,
                n_A,
                buff_A, rs_A, cs_A );

    break;
  }

  case FLA_DOUBLE_COMPLEX:
  {
    dcomplex *buff_A = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( A );

    bl1_zrandm( m_A,
                n_A,
                buff_A, rs_A, cs_A );

    break;
  }

  }

  return FLA_SUCCESS;
}