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Disable templetized operators by default

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To avoid nasty bugs due to silently overriding of
common operator we enable the templates on a type
by type base using partial template specialization.

No functional change, zero overhead at runtime.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2010-08-19 07:38:13 +01:00
parent 94b9c65e09
commit a5ae7fe260
8 changed files with 58 additions and 16 deletions
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10
src/value.h
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@@ -50,6 +50,8 @@ enum Value {
VALUE_ENSURE_SIGNED = -1
};
ENABLE_OPERATORS_ON(Value);
enum ScaleFactor {
SCALE_FACTOR_ZERO = 0,
@@ -65,7 +67,13 @@ enum ScaleFactor {
// Compiler is free to choose the enum type as long as can keep
// its data, so ensure Score to be an integer type.
enum Score { ENSURE_32_BITS_SIZE_P = (1 << 16), ENSURE_32_BITS_SIZE_N = -(1 << 16)};
enum Score {
ENSURE_32_BITS_SIZE_P = (1 << 16),
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