SVF::PopulationCounter< T, SizeOfT > Struct Template Reference

#include <SparseBitVector.h>

Static Public Member Functions
static unsigned	count (T Value)

Detailed Description

template<typename T, std::size_t SizeOfT>
struct SVF::PopulationCounter< T, SizeOfT >

Definition at line 129 of file SparseBitVector.h.

Member Function Documentation

count()

template<typename T, std::size_t SizeOfT>

unsigned SVF::PopulationCounter< T, SizeOfT >::count ( T Value )

inlinestatic

Definition at line 131 of file SparseBitVector.h.

    {
        // Generic version, forward to 32 bits.
        static_assert(SizeOfT <= 4, "Not implemented!");
#if defined(__GNUC__)
        return __builtin_popcount(Value);
#else
        uint32_t v = Value;
        v = v - ((v >> 1) & 0x55555555);
        v = (v & 0x33333333) + ((v >> 2) & 0x33333333);
        return ((v + (v >> 4) & 0xF0F0F0F) * 0x1010101) >> 24;
#endif
    }

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The documentation for this struct was generated from the following file:

• /home/runner/work/SVF/SVF/svf/include/Util/SparseBitVector.h