21 lines
524 B
C++
21 lines
524 B
C++
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// A Scalar with internal representation T+1 so that zero is internally
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// represented by T(1). This is used to test memory fill.
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//
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#pragma once
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template <typename T>
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class OffByOneScalar {
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public:
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OffByOneScalar() : val_(1) {}
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OffByOneScalar(const OffByOneScalar& other) = default;
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OffByOneScalar& operator=(const OffByOneScalar& other) = default;
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OffByOneScalar(T val) : val_(val + 1) {}
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OffByOneScalar& operator=(T val) { val_ = val + 1; }
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operator T() const { return val_ - 1; }
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private:
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T val_;
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};
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