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binary: Float writing: Fix exponent assertions

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This commit is contained in:
Lars Mueller 2022-07-03 13:29:49 +02:00
parent 2304cedbac
commit 5a8978f93d
1 changed files with 2 additions and 2 deletions
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4
binary.lua
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@ -147,7 +147,7 @@ function write_single(write_byte, number)
else -- normal numbers are stored as 1.<mantissa>
mantissa = mantissa * 2 - 1
exponent = exponent - 1 + 127 -- mantissa << 1 <=> exponent--
assert(exponent <= 0xFF)
assert(exponent < 0xFF)
end
local exp_lowest_bit = exponent % 2
@ -199,7 +199,7 @@ function write_double(write_byte, number)
else -- normal numbers are stored as 1.<mantissa>
mantissa = mantissa * 2 - 1
exponent = exponent - 1 + 1023 -- mantissa << 1 <=> exponent--
assert(exponent < 2^12) -- 11 exponent bits
assert(exponent < 0x7FF)
end
local exp_low_nibble = exponent % 0x10