source: to-imperative/trunk/library/Arithm/neg.cc @ 1035

Last change on this file since 1035 was 1035, checked in by pooh, 18 years ago
  • Finished library changes for long arithmetic.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 684 bytes
Line 
1// $Source$
2// $Revision: 1035 $
3// $Date: 2003-07-18 06:43:34 +0000 (Fri, 18 Jul 2003) $
4// $Author: pooh $
5
6#include <rf_core.hh>
7#include <rf_short_int.hh>
8#include <rf_integer.ih>
9#include <inttypes.h>
10#include <gmp.h>
11
12namespace refal
13{
14
15using namespace rfrt;
16using namespace rftype;
17
18namespace Arithm
19{
20
21RF_FUNC (Neg, (RF_ARG s_Int1), (RF_RES s_Res))
22
23  Term* p_Int1 = s_Int1.get_first();
24
25  if (p_Int1->get_type() == type_short_int) {
26    intptr_t i1 = static_cast<ShortInt*>(p_Int1)->to_int();
27    s_Res = ShortInt::create_expr(-i1);
28  } else if (p_Int1->get_type() == type_int) {
29    Integer* i1 = static_cast<Integer*>(p_Int1);
30    s_Res = Integer::create_expr(-(*i1));
31  } else {
32    RF_LIB_ERROR("Invalid argument");
33  }
34RF_END
35}
36
37}
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