import struct
from binascii import unhexlify

def integer2ByteArray(val):
    """
    Converts an integer value into a byte array (little endian)

    \param val:  integer to convert to byte array
    \returns byte array
    """
    fmt = '%08x'  # integer to hex string formatter
    b = unhexlify(fmt % val)  # convert int to byte array
    b = b[::-1]  # little endian byte order
    return b


def float2ByteArray(val):
    """
    Converts a float value into a byte array (little endian)

    \param val:  float to convert to byte array
    \returns byte array
    """
    b = struct.pack('<f', val)
    return b