diff options
Diffstat (limited to 'ExpressionClasses.cpp')
| -rw-r--r-- | ExpressionClasses.cpp | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/ExpressionClasses.cpp b/ExpressionClasses.cpp index 1fe6643f..9d13a57a 100644 --- a/ExpressionClasses.cpp +++ b/ExpressionClasses.cpp @@ -183,6 +183,16 @@ private: vector<pair<Pattern, function<Pattern()>>> m_rules; }; +template <class S> S divWorkaround(S const& _a, S const& _b) +{ + return (S)(bigint(_a) / bigint(_b)); +} + +template <class S> S modWorkaround(S const& _a, S const& _b) +{ + return (S)(bigint(_a) % bigint(_b)); +} + Rules::Rules() { // Multiple occurences of one of these inside one rule must match the same equivalence class. @@ -206,10 +216,10 @@ Rules::Rules() {{Instruction::ADD, {A, B}}, [=]{ return A.d() + B.d(); }}, {{Instruction::MUL, {A, B}}, [=]{ return A.d() * B.d(); }}, {{Instruction::SUB, {A, B}}, [=]{ return A.d() - B.d(); }}, - {{Instruction::DIV, {A, B}}, [=]{ return B.d() == 0 ? 0 : A.d() / B.d(); }}, - {{Instruction::SDIV, {A, B}}, [=]{ return B.d() == 0 ? 0 : s2u(u2s(A.d()) / u2s(B.d())); }}, - {{Instruction::MOD, {A, B}}, [=]{ return B.d() == 0 ? 0 : A.d() % B.d(); }}, - {{Instruction::SMOD, {A, B}}, [=]{ return B.d() == 0 ? 0 : s2u(u2s(A.d()) % u2s(B.d())); }}, + {{Instruction::DIV, {A, B}}, [=]{ return B.d() == 0 ? 0 : divWorkaround(A.d(), B.d()); }}, + {{Instruction::SDIV, {A, B}}, [=]{ return B.d() == 0 ? 0 : s2u(divWorkaround(u2s(A.d()), u2s(B.d()))); }}, + {{Instruction::MOD, {A, B}}, [=]{ return B.d() == 0 ? 0 : modWorkaround(A.d(), B.d()); }}, + {{Instruction::SMOD, {A, B}}, [=]{ return B.d() == 0 ? 0 : s2u(modWorkaround(u2s(A.d()), u2s(B.d()))); }}, {{Instruction::EXP, {A, B}}, [=]{ return u256(boost::multiprecision::powm(bigint(A.d()), bigint(B.d()), bigint(1) << 256)); }}, {{Instruction::NOT, {A}}, [=]{ return ~A.d(); }}, {{Instruction::LT, {A, B}}, [=]() { return A.d() < B.d() ? u256(1) : 0; }}, |