lerp7by8()

static fl::i8 lerp7by8 ( fl::i8 a, fl::i8 b, fract8 frac )

inlinestatic

Definition at line 321 of file noise.cpp.hpp.

{
    // int8_t delta = b - a;
    // int16_t prod = (uint16_t)delta * (uint16_t)frac;
    // int8_t scaled = prod >> 8;
    // int8_t result = a + scaled;
    // return result;
    fl::i8 result;
    if( b > a) {
        fl::u8 delta = b - a;
        fl::u8 scaled = scale8( delta, frac);
        result = a + scaled;
    } else {
        fl::u8 delta = a - b;
        fl::u8 scaled = scale8( delta, frac);
        result = a - scaled;
    }
    return result;
}

References FL_NO_EXCEPT.

Referenced by inoise8_raw(), inoise8_raw(), and inoise8_raw().

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