FLA_Absolute_square.c File Reference

(r)

Functions
FLA_Error	FLA_Absolute_square (FLA_Obj alpha)

Function Documentation

FLA_Absolute_square()

FLA_Error FLA_Absolute_square

(

FLA_Obj

alpha

)

{
  FLA_Datatype datatype;
 
  if ( FLA_Check_error_level() >= FLA_MIN_ERROR_CHECKING )
    FLA_Absolute_square_check( alpha );
 
  datatype = FLA_Obj_datatype( alpha );
  
  switch ( datatype ){
 
  case FLA_FLOAT:
  {
    float *buff_alpha = ( float * ) FLA_FLOAT_PTR( alpha );
 
    *buff_alpha = (*buff_alpha) * (*buff_alpha);
 
    break;
  }
 
  case FLA_DOUBLE:
  {
    double *buff_alpha = ( double * ) FLA_DOUBLE_PTR( alpha );
 
    *buff_alpha = (*buff_alpha) * (*buff_alpha);
 
    break;
  }
 
  case FLA_COMPLEX:
  {
    scomplex *buff_alpha = ( scomplex * ) FLA_COMPLEX_PTR( alpha );
 
    buff_alpha->real = buff_alpha->real * buff_alpha->real + 
                       buff_alpha->imag * buff_alpha->imag; 
    buff_alpha->imag = 0.0F; 
 
    break;
  }
 
  case FLA_DOUBLE_COMPLEX:
  {
    dcomplex *buff_alpha = ( dcomplex * ) FLA_DOUBLE_COMPLEX_PTR( alpha );
 
    buff_alpha->real = buff_alpha->real * buff_alpha->real + 
                       buff_alpha->imag * buff_alpha->imag; 
    buff_alpha->imag = 0.0; 
 
    break;
  }
 
  }
 
  return FLA_SUCCESS;
}

References FLA_Absolute_square_check(), FLA_Check_error_level(), FLA_Obj_datatype(), i, scomplex::real, and dcomplex::real.

Referenced by FLA_Ttmm_l_unb_var1(), FLA_Ttmm_l_unb_var2(), FLA_Ttmm_l_unb_var3(), FLA_Ttmm_u_unb_var1(), FLA_Ttmm_u_unb_var2(), and FLA_Ttmm_u_unb_var3().