FORCE_INLINE void setidx()

in include/SIMD.h [476:498]

• 23 lines of code
• 1 McCabe index (conditional complexity)

    FORCE_INLINE void setidx( const float *xi, const IVec<AVX,float>& idx )
    {
#if 1 // use gather primitives
        vec = _mm256_i32gather_ps (xi, idx, 4);
#elif 0
        uint32 i0 = idx.get0();
        uint32 i1 = idx.get1();
        uint32 i2 = idx.get2();
        uint32 i3 = idx.get3();
        uint32 i4 = idx.get4();
        uint32 i5 = idx.get5();
        uint32 i6 = idx.get6();
        uint32 i7 = idx.get7();
        vec = _mm256_set_ps( xi[i7], xi[i6], xi[i5], xi[i4], xi[i3], xi[i2], xi[i1], xi[i0] );
#else
        union {
            __m256i vec;
            uint32 ui32[8];
        } i;
        i.vec = static_cast<const __m256i&>(idx);
        vec = _mm256_set_ps(xi[i.ui32[7]], xi[i.ui32[6]], xi[i.ui32[5]], xi[i.ui32[4]], xi[i.ui32[3]], xi[i.ui32[2]], xi[i.ui32[1]], xi[i.ui32[0]]);
#endif
    }