cerc-io/solidity
16
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Solidity helper function for testing fixed points

Browse Source 
Signed-off-by: VoR0220 <rj@erisindustries.com>
This commit is contained in:
VoR0220 2016-09-09 21:03:23 -05:00
parent 51a98ab84a
commit cbd933ceed
No known key found for this signature in database
GPG Key ID: D4AB109D9B5D6386
1 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
test/libsolidity/SolidityExecutionFramework.h
View File

@ -39,6 +39,7 @@ namespace dev
{ {
namespace solidity namespace solidity
{ {
using rational = boost::rational<dev::bigint>;
/// An Ethereum address: 20 bytes. /// An Ethereum address: 20 bytes.
/// @NOTE This is not endian-specific; it's just a bunch of bytes. /// @NOTE This is not endian-specific; it's just a bunch of bytes.
using Address = h160; using Address = h160;
@ -186,7 +187,12 @@ public:
{ {
return encodeArgs(u256(0x20), u256(_arg.size()), _arg); 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 class ContractInterface
{ {
public: public: