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fix #41: Large numbers serialized incorrectly #42

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7 changes: 6 additions & 1 deletion json.lua
Original file line number Diff line number Diff line change
Expand Up @@ -108,7 +108,12 @@ local function encode_number(val)
if val ~= val or val <= -math.huge or val >= math.huge then
error("unexpected number value '" .. tostring(val) .. "'")
end
return string.format("%.14g", val)
local intVal = math.tointeger(val)
if intVal == val then
return string.format("%d", intVal)
else
return string.format("%.14g", val)
end
end


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