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teal-src/util/mathcompat.tl

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teal-src/util/mathcompat.tl @ 12934:c6dffebab2f8

util.ip: Tests for truncate()
author Matthew Wild <mwild1@gmail.com>
date Tue, 14 Mar 2023 18:40:16 +0000
parent 12782:8815d3090928
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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12782
8815d3090928 util.mathcompat: Module to ease reuse of math.type()
Kim Alvefur <zash@zash.se>
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1 if not math.type then
8815d3090928 util.mathcompat: Module to ease reuse of math.type()
Kim Alvefur <zash@zash.se>
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2 local enum number_subtype
8815d3090928 util.mathcompat: Module to ease reuse of math.type()
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3 "float" "integer"
8815d3090928 util.mathcompat: Module to ease reuse of math.type()
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4 end
8815d3090928 util.mathcompat: Module to ease reuse of math.type()
Kim Alvefur <zash@zash.se>
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5 local function math_type(t:any) : number_subtype
8815d3090928 util.mathcompat: Module to ease reuse of math.type()
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6 if t is number then
8815d3090928 util.mathcompat: Module to ease reuse of math.type()
Kim Alvefur <zash@zash.se>
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7 if t % 1 == 0 and t ~= t+1 and t ~= t-1 then
8815d3090928 util.mathcompat: Module to ease reuse of math.type()
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8 return "integer"
8815d3090928 util.mathcompat: Module to ease reuse of math.type()
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9 else
8815d3090928 util.mathcompat: Module to ease reuse of math.type()
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10 return "float"
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11 end
8815d3090928 util.mathcompat: Module to ease reuse of math.type()
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12 end
8815d3090928 util.mathcompat: Module to ease reuse of math.type()
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13 end
8815d3090928 util.mathcompat: Module to ease reuse of math.type()
Kim Alvefur <zash@zash.se>
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14 _G.math.type = math_type
8815d3090928 util.mathcompat: Module to ease reuse of math.type()
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15 end