Function shiftArrayLeft

src/test/arith_uint256_tests.cpp:140–155

}

static void shiftArrayLeft(unsigned char* to, const unsigned char* from, unsigned int arrayLength, unsigned int bitsToShift)
{
    for (unsigned int T=0; T < arrayLength; ++T)
    {
        if (T >= bitsToShift/8)
        {
            unsigned int F = T-bitsToShift/8;
            to[T] = uint8_t(from[F] << (bitsToShift % 8));
            if (T >= bitsToShift/8+1)
                to[T] |= uint8_t(from[F - 1] >> (8 - bitsToShift % 8));
        }
        else {
            to[T] = 0;
        }
    }
}

BOOST_AUTO_TEST_CASE( shifts ) { // "<<"  ">>"  "<<="  ">>="
    unsigned char TmpArray[32];