diff options
Diffstat (limited to 'libsolidity')
| -rw-r--r-- | libsolidity/ast/Types.cpp | 3 | ||||
| -rw-r--r-- | libsolidity/ast/Types.h | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/libsolidity/ast/Types.cpp b/libsolidity/ast/Types.cpp index 2dcfda42..21631693 100644 --- a/libsolidity/ast/Types.cpp +++ b/libsolidity/ast/Types.cpp @@ -1263,7 +1263,8 @@ shared_ptr<FixedPointType const> RationalNumberType::fixedPointType() const return shared_ptr<FixedPointType const>(); // This means we round towards zero for positive and negative values. bigint v = value.numerator() / value.denominator(); - if (negative) + + if (negative && v != 0) // modify value to satisfy bit requirements for negative numbers: // add one bit for sign and decrement because negative numbers can be larger v = (v - 1) << 1; diff --git a/libsolidity/ast/Types.h b/libsolidity/ast/Types.h index 3b57109d..787c9360 100644 --- a/libsolidity/ast/Types.h +++ b/libsolidity/ast/Types.h @@ -446,7 +446,8 @@ public: /// @returns the smallest integer type that can hold the value or an empty pointer if not possible. std::shared_ptr<IntegerType const> integerType() const; - /// @returns the smallest fixed type that can hold the value or incurs the least precision loss. + /// @returns the smallest fixed type that can hold the value or incurs the least precision loss, + /// unless the value was truncated, then a suitable type will be chosen to indicate such event. /// If the integer part does not fit, returns an empty pointer. std::shared_ptr<FixedPointType const> fixedPointType() const; |