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util: add BitPack

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This commit is contained in:
Michael Scire
2020-01-02 01:41:52 -08:00
parent 48772307bf
commit 145ee8fcc8
3 changed files with 92 additions and 2 deletions
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6
libraries/libvapours/include/vapours/defines.hpp
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@@ -42,6 +42,8 @@
#define CONCATENATE_IMPL(S1, s2) s1##s2
#define CONCATENATE(s1, s2) CONCATENATE_IMPL(s1, s2)
#define BITSIZEOF(x) (sizeof(x) * CHAR_BIT)
#ifdef __COUNTER__
#define ANONYMOUS_VARIABLE(pref) CONCATENATE(pref, __COUNTER__)
#else
@@ -55,8 +57,8 @@
probability; \
}))
#define AMS_PREDICT_TRUE(expr, probability) AMS_PREDICT(!!expr, 1, probability)
#define AMS_PREDICT_FALSE(expr, probability) AMS_PREDICT(!!expr, 0, probability)
#define AMS_PREDICT_TRUE(expr, probability) AMS_PREDICT(!!(expr), 1, probability)
#define AMS_PREDICT_FALSE(expr, probability) AMS_PREDICT(!!(expr), 0, probability)
#define AMS_LIKELY(expr) AMS_PREDICT_TRUE(expr, 1.0)
#define AMS_UNLIKELY(expr) AMS_PREDICT_FALSE(expr, 1.0)