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Use simple macro to enable operators

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Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Joona Kiiski
2011-01-03 16:09:38 +02:00
committed by Marco Costalba
parent 078354060e
commit 83d8d54216
6 changed files with 34 additions and 70 deletions
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16
src/value.h
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@@ -43,7 +43,7 @@ enum Value {
VALUE_ENSURE_SIGNED = -1
};
ENABLE_OPERATORS_ON(Value);
ENABLE_OPERATORS_ON(Value)
enum ScaleFactor {
@@ -66,9 +66,6 @@ enum Score {
SCORE_ENSURE_32_BITS_SIZE_N = -(1 << 16)
};
ENABLE_OPERATORS_ON(Score);
// Extracting the _signed_ lower and upper 16 bits it not so trivial
// because according to the standard a simple cast to short is
// implementation defined and so is a right shift of a signed integer.
@@ -91,6 +88,17 @@ inline Score operator/(Score s, int i) { return make_score(mg_value(s) / i, eg_v
// a very high risk of overflow. So user should explicitly convert to integer.
inline Score operator*(Score s1, Score s2);
// Rest of operators are standard:
inline Score operator+ (const Score d1, const Score d2) { return Score(int(d1) + int(d2)); }
inline Score operator- (const Score d1, const Score d2) { return Score(int(d1) - int(d2)); }
inline Score operator* (int i, const Score d) { return Score(i * int(d)); }
inline Score operator* (const Score d, int i) { return Score(int(d) * i); }
inline Score operator- (const Score d) { return Score(-int(d)); }
inline void operator+= (Score& d1, const Score d2) { d1 = d1 + d2; }
inline void operator-= (Score& d1, const Score d2) { d1 = d1 - d2; }
inline void operator*= (Score& d, int i) { d = Score(int(d) * i); }
inline void operator/= (Score& d, int i) { d = Score(int(d) / i); }
////
//// Inline functions