From 972b198a281cc59d2fbb1dc91964d8cba4aabfed Mon Sep 17 00:00:00 2001
From: Mateusz Szewczyk <m.szewczyk58@gmail.com>
Date: Sun, 14 Apr 2024 13:29:25 +0200
Subject: [PATCH] Added documentation comments + code formatted

---
 GeometryCalculator/GeometryCalculator.fsproj |  4 +-
 GeometryCalculator/Library.fs                | 71 +++++++++++++-------
 2 files changed, 50 insertions(+), 25 deletions(-)

diff --git a/GeometryCalculator/GeometryCalculator.fsproj b/GeometryCalculator/GeometryCalculator.fsproj
index 138f4d9..4bcc86b 100644
--- a/GeometryCalculator/GeometryCalculator.fsproj
+++ b/GeometryCalculator/GeometryCalculator.fsproj
@@ -11,7 +11,9 @@
     <Copyright>Mateusz Szewczyk &lt;MAtt5816&gt;</Copyright>
     <PackageLicenseUrl>https://github.com/MAtt5816/geometry-calculator/blob/1.0.0/LICENSE</PackageLicenseUrl>
     <RepositoryUrl>https://github.com/MAtt5816/geometry-calculator</RepositoryUrl>
-    <PackageTags>calculator;solids;figures;figures-calculator</PackageTags>
+    <PackageTags>calculator;solids;figures;figures-calculator;ellipsoid;sphere</PackageTags>
+    <Version>1.0.1</Version>
+    <Title>GeometryCalculator</Title>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/GeometryCalculator/Library.fs b/GeometryCalculator/Library.fs
index 4c7ad95..6d351b4 100644
--- a/GeometryCalculator/Library.fs
+++ b/GeometryCalculator/Library.fs
@@ -5,48 +5,72 @@ module Ellipsoid =
 
     module private Area =
         module Rotational =
-            let e a c =
-                sqrt(1. - a**2. / c**2.)
-        module General = 
+            let e a c = sqrt (1. - a ** 2. / c ** 2.)
+
+        module General =
             open FSharp.Stats.Integration
 
             let f psi k =
-                let integral x = 1. / sqrt(1. - k**2. * sin(x)**2.)
-                integral |> NumericalIntegration.definiteIntegral(LeftEndpoint, 0., psi, 100)
-            let e psi k = 
-                let integral x = sqrt(1. - k**2. * sin(x)**2.)
-                integral |> NumericalIntegration.definiteIntegral(LeftEndpoint, 0., psi, 100)
+                let integral x =
+                    1. / sqrt (1. - k ** 2. * sin (x) ** 2.)
+
+                integral |> NumericalIntegration.definiteIntegral (LeftEndpoint, 0., psi, 100)
+
+            let e psi k =
+                let integral x = sqrt (1. - k ** 2. * sin (x) ** 2.)
+                integral |> NumericalIntegration.definiteIntegral (LeftEndpoint, 0., psi, 100)
 
             let m a b c =
-                a**2. * (b**2. - c**2.) / (b**2. * (a**2. - c**2.))
+                a ** 2. * (b ** 2. - c ** 2.) / (b ** 2. * (a ** 2. - c ** 2.))
 
-            let private epsilon a c =
-                sqrt(1. - (c**2. / a**2.))
-            let tau a c =
-                asin(epsilon a c)
+            let private epsilon a c = sqrt (1. - (c ** 2. / a ** 2.))
+            let tau a c = asin (epsilon a c)
 
-        let sphere r = 4. * Math.PI * r**2.
+        let sphere r = 4. * Math.PI * r ** 2.
 
-        let rotationalEllipsoid c a = 
+        let rotationalEllipsoid c a =
             if c < a then
                 let eValue = Rotational.e c a
-                2. * Math.PI * a**2. + Math.PI * c**2. / eValue * log((1. + eValue) / (1. - eValue))
+
+                2. * Math.PI * a ** 2.
+                + Math.PI * c ** 2. / eValue * log ((1. + eValue) / (1. - eValue))
             else
                 let eValue = Rotational.e a c
-                2. * Math.PI * a**2. * (1. + c / (a * eValue) * asin(eValue))
+                2. * Math.PI * a ** 2. * (1. + c / (a * eValue) * asin (eValue))
 
-        let generalEllipsoid a b c = 
+        let generalEllipsoid a b c =
             let tauValue = General.tau a c
             let mValue = General.m a b c
-            2. * Math.PI * (c**2. + (b * c**2.) / sqrt(a**2. - c**2.) * (General.f tauValue mValue) + b * sqrt(a**2. - c**2.) * (General.e tauValue mValue))
 
+            2. * Math.PI
+            * (c ** 2.
+               + (b * c ** 2.) / sqrt (a ** 2. - c ** 2.) * (General.f tauValue mValue)
+               + b * sqrt (a ** 2. - c ** 2.) * (General.e tauValue mValue))
 
+    /// <summary>
+    /// Function for ellipsoid volume calculation.
+    /// </summary>
+    /// <returns>
+    /// Non-negative <c>double</c> or <c>double.NaN</c> in case at least one negative parameter
+    /// </returns>
+    /// <param name="a">a parameter >= 0</param>
+    /// <param name="b">b parameter >= 0</param>
+    /// <param name="c">c parameter >= 0</param>
     let volume a b c =
         if a > 0. && b > 0. && c > 0. then
             4. / 3. * Math.PI * a * b * c
         else
             nan
 
+    /// <summary>
+    /// Function for ellipsoid area calculation.
+    /// </summary>
+    /// <returns>
+    /// Non-negative <c>double</c> if <paramref name="a"/> >= <paramref name="b"/> >= <paramref name="c"/>, else <c>double.NaN</c>
+    /// </returns>
+    /// <param name="a">a parameter >= 0</param>
+    /// <param name="b">b parameter >= 0</param>
+    /// <param name="c">c parameter >= 0</param>
     let area a b c =
         if a > 0. && b > 0. && c > 0. then
             if a = b && b = c then
@@ -56,10 +80,9 @@ module Ellipsoid =
                     Area.rotationalEllipsoid c a
                 else
                     Area.rotationalEllipsoid a b
+            else if a > b && b > c then
+                Area.generalEllipsoid a b c
             else
-                if a > b && b > c then
-                    Area.generalEllipsoid a b c
-                else
-                    nan
+                nan
         else
-            nan
\ No newline at end of file
+            nan