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| author | chriseth <chris@ethereum.org> | 2017-07-14 04:07:01 +0800 |
|---|---|---|
| committer | chriseth <chris@ethereum.org> | 2017-08-23 23:37:35 +0800 |
| commit | 5bfd5d98c13b57c887eb09bffb9a03f2d1726b41 (patch) | |
| tree | a1a6e908036b956b9dba33064f7212e9fde97b16 /libdevcore | |
| parent | 1e05ebe50e0530beb62c96fc1112e935a5b11473 (diff) | |
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Format numbers more nicely.
Diffstat (limited to 'libdevcore')
| -rw-r--r-- | libdevcore/CommonData.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/libdevcore/CommonData.h b/libdevcore/CommonData.h index 0321011e..5df8986a 100644 --- a/libdevcore/CommonData.h +++ b/libdevcore/CommonData.h @@ -145,6 +145,17 @@ inline std::string toHex(u256 val, HexPrefix prefix = HexPrefix::DontAdd) return (prefix == HexPrefix::Add) ? "0x" + str : str; } +/// Returns decimal representation for small numbers and hex for large numbers. +inline std::string formatNumber(bigint const& _value) +{ + if (_value < 0) + return "-" + formatNumber(-_value); + if (_value > 0x1000000) + return toHex(toCompactBigEndian(_value), 2, HexPrefix::Add); + else + return _value.str(); +} + inline std::string toCompactHexWithPrefix(u256 val) { std::ostringstream ret; |