import struct

# 大端模式
def floatToABCD(value):
	valueByte = struct.unpack('>HH',struct.pack('>f', value))
	return valueByte

# 小端模式
def floatToDCBA(value):
	valueByte = struct.unpack('>HH', struct.pack('<f', value))
	return valueByte

# 单字反转
def floatToBADC(value):
	valueByte = struct.unpack('<HH', struct.pack('>f', value))
	return valueByte

#  双字反转
def floatToCDAB(value):
	valueByte = struct.unpack('<HH', struct.pack('<f', value))
	return valueByte


def ABCDToFloat(value):
	valueByte = struct.unpack('>f',struct.pack('>HH', value[0], value[1])) 
	return valueByte[0]

# 小端模式
def DCBAToFloat(value):
	valueByte = struct.unpack('<f', struct.pack('>HH', value[0], value[1])) 
	return valueByte[0]

def BADCToFloat(value):
	valueByte = struct.unpack('>f', struct.pack('<HH', value[0], value[1])) 
	return valueByte[0]


def CDABToFloat(value):
	valueByte = struct.unpack('<f', struct.pack('<HH', value[0], value[1]))
	return valueByte[0]