add conversions and testing

Project.toml

@@ -1,7 +1,7 @@
 name = "StructuralUnits"
 uuid = "ec81c399-378c-4a82-baa1-80fb2fc85b6c"
 authors = ["Cole Miller"]
-version = "0.1.0"
+version = "0.2.0"
 
 [deps]
 Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
@@ -14,8 +14,8 @@ UnitfulLatexify = "^1"
 Reexport = "^1"
 julia = "1.10"
 
-[extras]
-Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+# [extras]
+# Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
-[targets]
-test = ["Test"]
+# [targets]
+# test = ["Test"]

src/Conversions.jl

@@ -0,0 +1,158 @@
+# ----------------
+# ft
+# ----------------
+"""
+    to_ft(x)
+
+Converts x to a Unitful quantity with unit `ft`. 
+"""
+to_ft(x::Real) = x * ft
+to_ft(x::String) = parse(Float64, x) * ft
+to_ft(x::Quantity) = x
+function to_ft(x) 
+    ErrorException("Incorrect Type. Expected float, int, or string, got $(typeof(x))")
+end
+
+
+# ----------------
+# inch
+# ----------------
+"""
+    to_inch(x)
+
+Converts x to a Unitful quantity with unit `inch`. 
+"""
+to_inch(x::Real) = x * inch
+to_inch(x::String) = parse(Float64, x) * inch
+to_inch(x::Quantity) = x
+function to_inch(x) 
+    ErrorException("Incorrect Type. Expected float, int, or string, got $(typeof(x))")
+end
+
+
+# ----------------
+# inch2
+# ----------------
+"""
+    to_inch2(x)
+
+Converts x to a Unitful quantity with unit `inch^2`. 
+"""
+to_inch2(x::Real) = x * inch^2
+to_inch2(x::String) = parse(Float64, x) * inch^2
+to_inch2(x::Quantity) = x
+function to_inch2(x) 
+    ErrorException("Incorrect Type. Expected float, int, or string, got $(typeof(x))")
+end
+
+
+# ----------------
+# pcf
+# ----------------
+"""
+    to_pcf(x)
+
+Converts x to a Unitful quantity with unit `pcf`. 
+"""
+to_pcf(x::Real) = x * pcf
+to_pcf(x::String) = parse(Float64, x) * pcf
+to_pcf(x::Quantity) = x
+function to_pcf(x) 
+    ErrorException("Incorrect Type. Expected float, int, or string, got $(typeof(x))")
+end
+
+
+# ----------------
+# kcf
+# ----------------
+"""
+    to_kcf(x)
+
+Converts x to a Unitful quantity with unit `kcf`. 
+"""
+to_kcf(x::Real) = x * kcf
+to_kcf(x::String) = parse(Float64, x) * kcf
+to_kcf(x::Quantity) = x
+function to_kcf(x) 
+    ErrorException("Incorrect Type. Expected float, int, or string, got $(typeof(x))")
+end
+
+
+# ----------------
+# plf
+# ----------------
+"""
+    to_plf(x)
+
+Converts x to a Unitful quantity with unit `plf`. 
+"""
+to_plf(x::Real) = x * plf
+to_plf(x::String) = parse(Float64, x) * plf
+to_plf(x::Quantity) = x
+function to_plf(x) 
+    ErrorException("Incorrect Type. Expected float, int, or string, got $(typeof(x))")
+end
+
+
+# ----------------
+# klf
+# ----------------
+"""
+    to_klf(x)
+
+Converts x to a Unitful quantity with unit `plf`. 
+"""
+to_klf(x::Real) = x * klf
+to_klf(x::String) = parse(Float64, x) * klf
+to_klf(x::Quantity) = x
+function to_klf(x) 
+    ErrorException("Incorrect Type. Expected float, int, or string, got $(typeof(x))")
+end
+
+
+# ----------------
+# ksi
+# ----------------
+"""
+    to_ksi(x)
+
+Converts x to a Unitful quantity with unit `ksi`. 
+"""
+to_ksi(x::Real) = x * ksi
+to_ksi(x::String) = parse(Float64, x) * ksi
+to_ksi(x::Quantity) = x
+function to_ksi(x) 
+    ErrorException("Incorrect Type. Expected float, int, or string, got $(typeof(x))")
+end
+
+
+# ----------------
+# mph
+# ----------------
+"""
+    to_mph(x)
+
+Converts x to a Unitful quantity with unit `mph`. 
+"""
+to_mph(x::Real) = x * mph
+to_mph(x::String) = parse(Float64, x) * mph
+to_mph(x::Quantity) = x
+function to_mph(x) 
+    ErrorException("Incorrect Type. Expected float, int, or string, got $(typeof(x))")
+end
+
+
+# ----------------
+# deg
+# ----------------
+"""
+    to_deg(x)
+
+Converts x to a Unitful quantity with unit `deg`. 
+"""
+to_deg(x::Real) = x * °
+to_deg(x::String) = parse(Float64, x) * °
+to_deg(x::Quantity) = x
+function to_deg(x) 
+    ErrorException("Incorrect Type. Expected float, int, or string, got $(typeof(x))")
+end

src/StructuralUnits.jl

@@ -5,6 +5,7 @@ using Reexport
 @reexport using UnitfulLatexify
 
 export ft, inch, kip, ksi, ksf, klf, plf, mph, kcf, pcf, °
+export to_ft, to_inch, to_inch2, to_pcf, to_kcf, to_plf, to_klf, to_ksi, to_mph, to_deg
 
 Unitful.register(StructuralUnits)
 @unit kip "kip" Kip 1000*u"lbf" false
@@ -46,6 +47,8 @@ const kcf = u"kcf"
 const pcf = u"pcf"
 const ° = u"°"
 
+include("Conversions.jl")
+
 const localpromotion = copy(Unitful.promotion)
 function __init__()
     Unitful.register(StructuralUnits)

test/Conversions.jl

@@ -0,0 +1,71 @@
+using StructuralUnits
+
+# ft conversion
+let 
+    @test 5.0ft == to_ft(5)
+    @test 5.0ft == to_ft("5")
+    @test 1.0ft == to_ft(12inch)
+end
+
+# inch conversion
+let 
+    @test 5.0inch == to_inch(5)
+    @test 5.0inch == to_inch("5")
+    @test 12.0inch == to_inch(1ft)
+end
+
+# inch^2 conversion
+let 
+    @test 5.0inch^2 == to_inch2(5)
+    @test 5.0inch^2 == to_inch2("5")
+    @test 144.0inch^2 == to_inch2(1ft^2)
+end
+
+# pcf conversion
+let 
+    @test 5.0pcf == to_pcf(5)
+    @test 5.0pcf == to_pcf("5")
+    @test 1000.0pcf == to_pcf(1kcf)
+end
+
+# kcf conversion
+let 
+    @test 5.0kcf == to_kcf(5)
+    @test 5.0kcf == to_kcf("5")
+    @test 1.0kcf == to_kcf(1000pcf)
+end
+
+# plf conversion
+let 
+    @test 5.0plf == to_plf(5)
+    @test 5.0plf == to_plf("5")
+    @test 1000.0plf == to_plf(1klf)
+end
+
+# plf conversion
+let 
+    @test 5.0klf == to_klf(5)
+    @test 5.0klf == to_klf("5")
+    @test 1.0klf == to_klf(1000plf)
+end
+
+# ksi conversion
+let 
+    @test 5.0ksi == to_ksi(5)
+    @test 5.0ksi == to_ksi("5")
+    @test 1.0ksi == to_ksi(1ksi)
+end
+
+# mph conversion
+let 
+    @test 5.0mph == to_mph(5)
+    @test 5.0mph == to_mph("5")
+    @test 1.0mph == to_mph(1mph)
+end
+
+# mph conversion
+let 
+    @test 5.0° == to_deg(5)
+    @test 5.0° == to_deg("5")
+    @test 1.0° == to_deg(1°)
+end