BigMax returns the larger of x or y.

BigMin returns the smaller of x or y.

BigPow returns a ** b as a big integer.

BigUint64 returns the integer casted to a uint64 and returns whether it overflowed in the process.

Byte returns the byte at position n, with the supplied padlength in Little-Endian encoding.

Exp implements exponentiation by squaring.

GetDataBig returns a slice from the data based on the start and size and pads up to size with zero's.

leftPadBytes zero-pads slice to the left up to length l.

PaddedBigBytes encodes a big integer as a big-endian byte slice.

ReadBits encodes the absolute amount of bigint as big-endian bytes.

rightPadBytes zero-pads slice to the right up to length l.

S256 interprets x as a two's complement number.

SafeAdd returns the result and whether overflow occurred.

SafeMul returns multiplication result and whether overflow occurred.

ToWordSize returns the ceiled word size required for memory expansion.

U256 encodes as a 256 bit two's complement number.

number of bits in a big.Word.

number of bytes in a big.Word.

number of bytes in a vm word.