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util.serialization: Remove encoding of very large or very small numbers in scientific notation

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Also difficult to describe this option, easier to remove it.

%.18g covers a very large range of numbers
This commit is contained in:
Kim Alvefur 2018-10-12 00:15:08 +02:00
parent e0a16c75dc
commit 1789a7adf8
1 changed files with 1 additions and 12 deletions
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13
util/serialization.lua
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@ -20,11 +20,6 @@ local pcall = pcall;
local envload = require"util.envload".envload;
local pos_inf, neg_inf = math.huge, -math.huge;
local m_log = math.log;
local m_log10 = math.log10 or function (n)
return m_log(n, 10);
end
local m_floor = math.floor;
-- luacheck: ignore 143/math
local m_type = math.type or function (n)
return n % 1 == 0 and n <= 9007199254740992 and n >= -9007199254740992 and "integer" or "float";
@ -124,7 +119,6 @@ local function new(opt)
local unquoted = opt.unquoted == nil and "^[%a_][%w_]*$" or opt.unquoted;
local hex = opt.hex;
local freeze = opt.freeze;
local precision = opt.precision or 10;
-- serialize one table, recursively
-- t - table being serialized
@ -237,12 +231,7 @@ local function new(opt)
elseif t ~= t then
return "(0/0)";
end
local log = m_floor(m_log10(t));
if log > precision then
return s_format("%.18e", t);
else
return s_format("%.18g", t);
end
return s_format("%.18g", t);
end
-- Are these faster than tostring?