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Add isZero/isNonZero to avoid !!hash constructs.

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This commit is contained in:
JoelKatz
2012-02-07 17:26:49 -08:00
parent 104fa67d86
commit 250bb71e7e
1 changed files with 14 additions and 1 deletions
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15
uint256.h
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@@ -33,6 +33,19 @@ protected:
unsigned int pn[WIDTH]; unsigned int pn[WIDTH];
public: 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 bool operator!() const
{ {
for (int i = 0; i < WIDTH; i++) for (int i = 0; i < WIDTH; i++)
@@ -279,7 +292,7 @@ public:
return false; return false;
return true; return true;
} }
friend inline bool operator!=(const base_uint& a, const base_uint& b) friend inline bool operator!=(const base_uint& a, const base_uint& b)
{ {
return (!(a == b)); return (!(a == b));