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Solidity helper function for testing fixed points

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Signed-off-by: VoR0220 <rj@erisindustries.com>
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VoR0220 2016-09-09 21:03:23 -05:00
parent 51a98ab84a
commit cbd933ceed
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1 changed files with 7 additions and 1 deletions
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8
test/libsolidity/SolidityExecutionFramework.h
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@ -39,6 +39,7 @@ namespace dev
{
namespace solidity
{
using rational = boost::rational<dev::bigint>;
/// An Ethereum address: 20 bytes.
/// @NOTE This is not endian-specific; it's just a bunch of bytes.
using Address = h160;
@ -186,7 +187,12 @@ public:
{
return encodeArgs(u256(0x20), u256(_arg.size()), _arg);
}
static u256 fixed(dev::bigint _numerator, dev::bigint _denominator, int _fixedBits)
{
rational _value = rational(dev::bigint(_numerator), dev::bigint(_denominator));
rational value = _value * boost::multiprecision::pow(bigint(2), _fixedBits);
return u256(value.numerator()/value.denominator());
}
class ContractInterface
{
public: