Module: ppl/ppl Branch: ppl-0_11-branch Commit: b397097be829089e5306d0fda548ca097f1483e7 URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=b397097be8290...
Author: Roberto Bagnara bagnara@cs.unipr.it Date: Mon Aug 2 19:45:48 2010 +0200
Added missing conversions.
---
src/checked_int.inlines.hh | 28 ++++++++++++++++++++-------- 1 files changed, 20 insertions(+), 8 deletions(-)
diff --git a/src/checked_int.inlines.hh b/src/checked_int.inlines.hh index 79985cd..465dfcf 100644 --- a/src/checked_int.inlines.hh +++ b/src/checked_int.inlines.hh @@ -1178,7 +1178,8 @@ add_2exp_unsigned_int(Type& to, const Type x, unsigned int exp, } if (exp >= sizeof(Type) * CHAR_BIT) return set_pos_overflow_int<To_Policy>(to, dir); - return add_unsigned_int<To_Policy, From_Policy, void>(to, x, Type(1) << exp, dir); + Type n = Type(1) << exp; + return add_unsigned_int<To_Policy, From_Policy, void>(to, x, n, dir); }
template <typename To_Policy, typename From_Policy, typename Type> @@ -1191,9 +1192,14 @@ add_2exp_signed_int(Type& to, const Type x, unsigned int exp, } if (exp >= sizeof(Type) * CHAR_BIT) return set_pos_overflow_int<To_Policy>(to, dir); - if (exp == sizeof(Type) * CHAR_BIT - 1) - return sub_signed_int<To_Policy, From_Policy, void>(to, x, -2 * (Type(1) << (exp - 1)), dir); - return add_signed_int<To_Policy, From_Policy, void>(to, x, Type(1) << exp, dir); + if (exp == sizeof(Type) * CHAR_BIT - 1) { + Type n = -2 * (Type(1) << (exp - 1)); + return sub_signed_int<To_Policy, From_Policy, void>(to, x, n, dir); + } + else { + Type n = Type(1) << exp; + return add_signed_int<To_Policy, From_Policy, void>(to, x, n, dir); + } }
template <typename To_Policy, typename From_Policy, typename Type> @@ -1206,7 +1212,8 @@ sub_2exp_unsigned_int(Type& to, const Type x, unsigned int exp, } if (exp >= sizeof(Type) * CHAR_BIT) return set_neg_overflow_int<To_Policy>(to, dir); - return sub_unsigned_int<To_Policy, From_Policy, void>(to, x, Type(1) << exp, dir); + Type n = Type(1) << exp; + return sub_unsigned_int<To_Policy, From_Policy, void>(to, x, n, dir); }
template <typename To_Policy, typename From_Policy, typename Type> @@ -1219,9 +1226,14 @@ sub_2exp_signed_int(Type& to, const Type x, unsigned int exp, } if (exp >= sizeof(Type) * CHAR_BIT) return set_neg_overflow_int<To_Policy>(to, dir); - if (exp == sizeof(Type) * CHAR_BIT - 1) - return add_signed_int<To_Policy, From_Policy, void>(to, x, -2 * (Type(1) << (exp - 1)), dir); - return sub_signed_int<To_Policy, From_Policy, void>(to, x, Type(1) << exp, dir); + if (exp == sizeof(Type) * CHAR_BIT - 1) { + Type n = -2 * (Type(1) << (exp - 1)); + return add_signed_int<To_Policy, From_Policy, void>(to, x, n, dir); + } + else { + Type n = Type(1) << exp; + return sub_signed_int<To_Policy, From_Policy, void>(to, x, n, dir); + } }
template <typename To_Policy, typename From_Policy, typename Type>