From 5bfd5d98c13b57c887eb09bffb9a03f2d1726b41 Mon Sep 17 00:00:00 2001
From: chriseth <chris@ethereum.org>
Date: Thu, 13 Jul 2017 22:07:01 +0200
Subject: Format numbers more nicely.

---
 libdevcore/CommonData.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'libdevcore')

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;
-- 
cgit