floor_frac()

FASTLED_FORCE_INLINE void fl::perlin_s8x8::floor_frac ( fl::i32 fp16, int & ifloor, fl::i16 & frac8 )

staticprivate

Definition at line 64 of file perlin_s8x8.cpp.hpp.

                                                          {
    ifloor = fp16 >> FP_BITS;
    fl::i32 frac16 = fp16 & (FP_ONE - 1);
    // Shift from 16 frac bits to 8 frac bits
    frac8 = static_cast<fl::i16>(frac16 >> (FP_BITS - HP_BITS));
}

References FASTLED_FORCE_INLINE, FP_BITS, FP_ONE, and HP_BITS.

Referenced by pnoise2d_raw().

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