Nanovolts and other cleanup

Source/Meadow.Units/AngularAcceleration3D.cs

@@ -3,7 +3,6 @@
 using System.ComponentModel;
 using System.Diagnostics.Contracts;
 using System.Runtime.InteropServices;
-using Meadow.Units.Conversions;
 
 namespace Meadow.Units
 {

Source/Meadow.Units/AngularVelocity3D.cs

@@ -3,7 +3,6 @@
 using System.ComponentModel;
 using System.Diagnostics.Contracts;
 using System.Runtime.InteropServices;
-using Meadow.Units.Conversions;
 
 namespace Meadow.Units
 {

Source/Meadow.Units/Azimuth16PointCardinalNames.cs

@@ -1,5 +1,4 @@
-using System;
-namespace Meadow.Units
+namespace Meadow.Units
 {
     /// <summary>
     /// Cardinal compass directions

Source/Meadow.Units/Charge.cs

@@ -0,0 +1,356 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Diagnostics.Contracts;
+using System.Runtime.InteropServices;
+
+namespace Meadow.Units
+{
+    /// <summary>
+    /// Represents a value of Electric Charge.
+    /// </summary>
+    [Serializable]
+    [ImmutableObject(true)]
+    [StructLayout(LayoutKind.Sequential)]
+    public struct Charge :
+        IComparable, IFormattable, IConvertible,
+        IEquatable<double>, IComparable<double>
+    {
+        /// <summary>
+        /// Creates a new `Charge` object.
+        /// </summary>
+        /// <param name="value">The Charge value.</param>
+        /// <param name="type">Coulombs by default.</param>
+        public Charge(double value, UnitType type = UnitType.Coulombs)
+        {
+            Coulombs = value;
+        }
+
+          /// <summary>
+        /// Creates a new `Charge` object from an existing Charge object
+        /// </summary>
+        /// <param name="Charge"></param>
+         public Charge(Charge Charge)
+        {
+            Coulombs = Charge.Coulombs;
+        }
+
+        /// <summary>
+        /// The Charge in coulombs
+        /// </summary>
+        public double Coulombs { get; private set; }
+
+        /// <summary>
+        /// The type of units available to describe the Charge.
+        /// </summary>
+        public enum UnitType
+        {
+            /// <summary>
+            /// coulombs
+            /// </summary>
+            Coulombs
+        }
+
+        /// <summary>
+        /// Compare to another Charge object
+        /// </summary>
+        /// <param name="obj">The object to compare</param>
+        /// <returns>true if equal</returns>
+        [Pure] public override bool Equals(object obj)
+        {
+            if (obj is null) { return false; }
+            if (Equals(this, obj)) { return true; }
+            return obj.GetType() == GetType() && Equals((Charge)obj);
+        }
+
+        /// <summary>
+        /// Get hash of object
+        /// </summary>
+        /// <returns>int32 hash value</returns>
+        [Pure] public override int GetHashCode() => Coulombs.GetHashCode();
+
+        // implicit conversions
+        //[Pure] public static implicit operator Charge(ushort value) => new Charge(value);
+        //[Pure] public static implicit operator Charge(short value) => new Charge(value);
+        //[Pure] public static implicit operator Charge(uint value) => new Charge(value);
+        //[Pure] public static implicit operator Charge(long value) => new Charge(value);
+        //[Pure] public static implicit operator Charge(int value) => new Charge(value);
+        //[Pure] public static implicit operator Charge(float value) => new Charge(value);
+        //[Pure] public static implicit operator Charge(double value) => new Charge(value);
+        //[Pure] public static implicit operator Charge(decimal value) => new Charge((double)value);
+
+        // Comparison
+        /// <summary>
+        /// Compare to another Charge object
+        /// </summary>
+        /// <param name="other">The object to compare</param>
+        /// <returns>true if equal</returns>
+        [Pure] public bool Equals(Charge other) => Coulombs == other.Coulombs;
+
+        /// <summary>
+        /// Equals operator to compare two Charge objects
+        /// </summary>
+        /// <param name="left">left value</param>
+        /// <param name="right">right value</param>
+        /// <returns>true if equal</returns>
+        [Pure] public static bool operator ==(Charge left, Charge right) => Equals(left.Coulombs, right.Coulombs);
+
+        /// <summary>
+        /// Not equals operator to compare two Charge objects
+        /// </summary>
+        /// <param name="left">left value</param>
+        /// <param name="right">right value</param>
+        /// <returns>true if not equal</returns>
+        [Pure] public static bool operator !=(Charge left, Charge right) => !Equals(left.Coulombs, right.Coulombs);
+
+        /// <summary>
+        /// Compare to another Charge object
+        /// </summary>
+        /// <param name="other"></param>
+        /// <returns>0 if equal</returns>
+        [Pure] public int CompareTo(Charge other) => Equals(Coulombs, other.Coulombs) ? 0 : Coulombs.CompareTo(other.Coulombs);
+
+        /// <summary>
+        /// Less than operator to compare two Charge objects
+        /// </summary>
+        /// <param name="left">left value</param>
+        /// <param name="right">right value</param>
+        /// <returns>true if left is less than right</returns>
+        [Pure] public static bool operator <(Charge left, Charge right) => Comparer<double>.Default.Compare(left.Coulombs, right.Coulombs) < 0;
+
+        /// <summary>
+        /// Greater than operator to compare two Charge objects
+        /// </summary>
+        /// <param name="left">left value</param>
+        /// <param name="right">right value</param>
+        /// <returns>true if left is greater than right</returns>
+        [Pure] public static bool operator >(Charge left, Charge right) => Comparer<double>.Default.Compare(left.Coulombs, right.Coulombs) > 0;
+
+        /// <summary>
+        /// Less than or equal operator to compare two Charge objects
+        /// </summary>
+        /// <param name="left">left value</param>
+        /// <param name="right">right value</param>
+        /// <returns>true if left is less than or equal to right</returns>
+        [Pure] public static bool operator <=(Charge left, Charge right) => Comparer<double>.Default.Compare(left.Coulombs, right.Coulombs) <= 0;
+
+        /// <summary>
+        /// Greater than or equal operator to compare two Charge objects
+        /// </summary>
+        /// <param name="left">left value</param>
+        /// <param name="right">right value</param>
+        /// <returns>true if left is greater than or equal to right</returns>
+        [Pure] public static bool operator >=(Charge left, Charge right) => Comparer<double>.Default.Compare(left.Coulombs, right.Coulombs) >= 0;
+
+        // Math
+        /// <summary>
+        /// Addition operator to add two Charge objects
+        /// </summary>
+        /// <param name="left">left value</param>
+        /// <param name="right">right value</param>
+        /// <returns>A new Charge object with a value of left + right</returns>
+        [Pure] public static Charge operator +(Charge left, Charge right) => new (left.Coulombs + right.Coulombs);
+
+        /// <summary>
+        /// Subtraction operator to subtract two Charge objects
+        /// </summary>
+        /// <param name="left">left value</param>
+        /// <param name="right">right value</param>
+        /// <returns>A new Charge object with a value of left - right</returns>
+        [Pure] public static Charge operator -(Charge left, Charge right) => new (left.Coulombs - right.Coulombs);
+
+        /// <summary>
+        /// Multiplication operator to multiply by a double
+        /// </summary>
+        /// <param name="value">object to multiply</param>
+        /// <param name="operand">operand to multiply object</param>
+        /// <returns>A new Charge object with a value of value multiplied by the operand</returns>
+        [Pure] public static Charge operator *(Charge value, double operand) => new (value.Coulombs * operand);
+
+        /// <summary>
+        /// Division operator to divide by a double
+        /// </summary>
+        /// <param name="value">object to be divided</param>
+        /// <param name="operand">operand to divide object</param>
+        /// <returns>A new Charge object with a value of value divided by the operand</returns>
+        [Pure] public static Charge operator /(Charge value, double operand) => new (value.Coulombs / operand);
+
+        /// <summary>
+        /// Returns the absolute value of the <see cref="Charge"/>
+        /// </summary>
+        /// <returns></returns>
+        [Pure] public Charge Abs() { return new Charge(Math.Abs(this.Coulombs)); }
+
+        /// <summary>
+        /// Get a string representation of the object
+        /// </summary>
+        /// <returns>A string representing the object</returns>
+        [Pure] public override string ToString() => Coulombs.ToString();
+
+        /// <summary>
+        /// Get a string representation of the object
+        /// </summary>
+        /// <param name="format">format</param>
+        /// <param name="formatProvider">format provider</param>
+        /// <returns>A string representing the object</returns>
+        [Pure] public string ToString(string format, IFormatProvider formatProvider) => Coulombs.ToString(format, formatProvider);
+
+        // IComparable
+        /// <summary>
+        /// Compare to another Charge object
+        /// </summary>
+        /// <param name="obj">The other Charge cast to object</param>
+        /// <returns>0 if equal</returns>
+        [Pure] public int CompareTo(object obj) => Coulombs.CompareTo(obj);
+
+        /// <summary>
+        /// Get type code of object
+        /// </summary>
+        /// <returns>The TypeCode</returns>
+        [Pure] public TypeCode GetTypeCode() => Coulombs.GetTypeCode();
+
+        /// <summary>
+        /// Convert to boolean
+        /// </summary>
+        /// <param name="provider">format provider</param>
+        /// <returns>bool representation of the object</returns>
+        [Pure] public bool ToBoolean(IFormatProvider provider) => ((IConvertible)Coulombs).ToBoolean(provider);
+
+        /// <summary>
+        /// Convert to byte
+        /// </summary>
+        /// <param name="provider">format provider</param>
+        /// <returns>byte representation of the object</returns>
+        [Pure] public byte ToByte(IFormatProvider provider) => ((IConvertible)Coulombs).ToByte(provider);
+
+        /// <summary>
+        /// Convert to char
+        /// </summary>
+        /// <param name="provider">format provider</param>
+        /// <returns>char representation of the object</returns>
+        [Pure] public char ToChar(IFormatProvider provider) => ((IConvertible)Coulombs).ToChar(provider);
+
+        /// <summary>
+        /// Convert to DateTime
+        /// </summary>
+        /// <param name="provider">format provider</param>
+        /// <returns>DateTime representation of the object</returns>
+        [Pure] public DateTime ToDateTime(IFormatProvider provider) => ((IConvertible)Coulombs).ToDateTime(provider);
+
+        /// <summary>
+        /// Convert to Decimal
+        /// </summary>
+        /// <param name="provider">format provider</param>
+        /// <returns>Decimal representation of the object</returns>
+        [Pure] public decimal ToDecimal(IFormatProvider provider) => ((IConvertible)Coulombs).ToDecimal(provider);
+
+        /// <summary>
+        /// Convert to double
+        /// </summary>
+        /// <param name="provider">format provider</param>
+        /// <returns>double representation of the object</returns>
+        [Pure] public double ToDouble(IFormatProvider provider) => Coulombs;
+
+        /// <summary>
+        /// Convert to in16
+        /// </summary>
+        /// <param name="provider">format provider</param>
+        /// <returns>int16 representation of the object</returns>
+        [Pure] public short ToInt16(IFormatProvider provider) => ((IConvertible)Coulombs).ToInt16(provider);
+
+        /// <summary>
+        /// Convert to int32
+        /// </summary>
+        /// <param name="provider">format provider</param>
+        /// <returns>int32 representation of the object</returns>
+        [Pure] public int ToInt32(IFormatProvider provider) => ((IConvertible)Coulombs).ToInt32(provider);
+
+        /// <summary>
+        /// Convert to int64
+        /// </summary>
+        /// <param name="provider">format provider</param>
+        /// <returns>int64 representation of the object</returns>
+        [Pure] public long ToInt64(IFormatProvider provider) => ((IConvertible)Coulombs).ToInt64(provider);
+
+        /// <summary>
+        /// Convert to sbyte
+        /// </summary>
+        /// <param name="provider">format provider</param>
+        /// <returns>sbyte representation of the object</returns>
+        [Pure] public sbyte ToSByte(IFormatProvider provider) => ((IConvertible)Coulombs).ToSByte(provider);
+
+        /// <summary>
+        /// Convert to float
+        /// </summary>
+        /// <param name="provider">format provider</param>
+        /// <returns>float representation of the object</returns>
+        [Pure] public float ToSingle(IFormatProvider provider) => ((IConvertible)Coulombs).ToSingle(provider);
+
+        /// <summary>
+        /// Convert to string
+        /// </summary>
+        /// <param name="provider">format provider</param>
+        /// <returns>string representation of the object</returns>
+        [Pure] public string ToString(IFormatProvider provider) => Coulombs.ToString(provider);
+
+        /// <summary>
+        /// Convert to type
+        /// </summary>
+        /// <param name="conversionType">conversion unit type</param>
+        /// <param name="provider">format provider</param>
+        /// <returns>type representation of the object</returns>
+        [Pure] public object ToType(Type conversionType, IFormatProvider provider) => ((IConvertible)Coulombs).ToType(conversionType, provider);
+
+        /// <summary>
+        /// Convert to uint16
+        /// </summary>
+        /// <param name="provider">format provider</param>
+        /// <returns>uint16 representation of the object</returns>
+        [Pure] public ushort ToUInt16(IFormatProvider provider) => ((IConvertible)Coulombs).ToUInt16(provider);
+
+        /// <summary>
+        /// Convert to uint32
+        /// </summary>
+        /// <param name="provider">format provider</param>
+        /// <returns>uint32 representation of the object</returns>
+        [Pure] public uint ToUInt32(IFormatProvider provider) => ((IConvertible)Coulombs).ToUInt32(provider);
+
+        /// <summary>
+        /// Convert to uint64
+        /// </summary>
+        /// <param name="provider">format provider</param>
+        /// <returns>uint64 representation of the object</returns>
+        [Pure] public ulong ToUInt64(IFormatProvider provider) => ((IConvertible)Coulombs).ToUInt64(provider);
+
+        /// <summary>
+        /// Compare the default value to a double 
+        /// </summary>
+        /// <param name="other">value to compare</param>
+        /// <returns>0 if equal</returns>
+        [Pure] public int CompareTo(double? other)
+        {
+            return (other is null) ? -1 : (Coulombs).CompareTo(other.Value);
+        }
+
+        /// <summary>
+        /// Compare the default value to a double 
+        /// </summary>
+        /// <param name="other">value to compare</param>
+        /// <returns>0 if equal</returns>
+        [Pure] public bool Equals(double? other) => Coulombs.Equals(other);
+
+        /// <summary>
+        /// Compare the default value to a double 
+        /// </summary>
+        /// <param name="other">value to compare</param>
+        /// <returns>0 if equal</returns>
+        [Pure] public bool Equals(double other) => Coulombs.Equals(other);
+
+        /// <summary>
+        /// Compare the default value to a double 
+        /// </summary>
+        /// <param name="other">value to compare</param>
+        /// <returns>0 if equal</returns>
+        [Pure] public int CompareTo(double other) => Coulombs.CompareTo(other);
+    }
+}