Add isZero/isNonZero to avoid !!hash constructs.

2025-11-20 11:05:54 +00:00 · 2012-02-07 17:26:49 -08:00
parent 104fa67d86
commit 250bb71e7e
1 changed files with 14 additions and 1 deletions
--- a/uint256.h
+++ b/uint256.h
@@ -33,6 +33,19 @@ protected:
 	unsigned int pn[WIDTH];
 public:

+	bool isZero() const
+	{
+		for (int i = 0; i < WIDTH; i++)
+			if (pn[i] != 0)
+				return false;
+		return true;
+	}
+
+	bool isNonZero() const
+	{
+		return !isZero();
+	}
+
 	bool operator!() const
 	{
 		for (int i = 0; i < WIDTH; i++)