Hex to float and float to hex

Question

I couldn’t find a working answer for the conversion of an hex to float value. Starting from this answer for converting a float to an hex float to hex, would you know how I can then convert that same hex to the original float back again?

Asked By: shin

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Source

Answer 1

Same thing but in reverse:

import struct

def float_to_hex(f):
    return hex(struct.unpack('<I', struct.pack('<f', f))[0])

def hex_to_float(h):
    return struct.unpack('<f', struct.pack('<I', int(h, 16)))[0]

def double_to_hex(f):
    return hex(struct.unpack('<Q', struct.pack('<d', f))[0])

def hex_to_double(h):
    return struct.unpack('<d', struct.pack('<Q', int(h, 16)))[0]

(Notes: Python 3 doesn’t add the L to longs. float_to_hex and double_to_hex come from this answer.)

Answered By: Ouroborus

Hex to float and float to hex

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