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| 1 | +using System; |
| 2 | + |
| 3 | +namespace BLM16.Util.Calculator.Models; |
| 4 | + |
| 5 | +/// <summary> |
| 6 | +/// A function used by the calculator |
| 7 | +/// </summary> |
| 8 | +public struct Function |
| 9 | +{ |
| 10 | + /// <summary> |
| 11 | + /// The symbols that represent the function |
| 12 | + /// </summary> |
| 13 | + public string[] Symbols { get; private set; } |
| 14 | + /// <summary> |
| 15 | + /// The operation the function performs |
| 16 | + /// </summary> |
| 17 | + public Func<double, string> Operation { get; private set; } |
| 18 | + |
| 19 | + public Function(Func<double, string> func, params string[] symbols) |
| 20 | + { |
| 21 | + Symbols = symbols; |
| 22 | + Operation = func; |
| 23 | + } |
| 24 | +} |
| 25 | + |
| 26 | +/// <summary> |
| 27 | +/// Contains all the default functions built into the Calculator |
| 28 | +/// </summary> |
| 29 | +public static class DefaultFunctions |
| 30 | +{ |
| 31 | + /// <summary> |
| 32 | + /// The absolute function |
| 33 | + /// </summary> |
| 34 | + public static Function Abs |
| 35 | + => new((double val) => Math.Abs(val).ToString(), "abs"); |
| 36 | + |
| 37 | + /// <summary> |
| 38 | + /// The square root function |
| 39 | + /// </summary> |
| 40 | + public static Function Sqrt |
| 41 | + => new((double val) => Math.Sqrt(val).ToString(), "sqrt", "root", "√"); |
| 42 | + |
| 43 | + /// <summary> |
| 44 | + /// The cubed root function |
| 45 | + /// </summary> |
| 46 | + public static Function Cbrt |
| 47 | + => new((double val) => Math.Cbrt(val).ToString(), "cbrt", "sqrt3", "root3"); |
| 48 | + |
| 49 | + /// <summary> |
| 50 | + /// The sine function with a parameter in radians |
| 51 | + /// </summary> |
| 52 | + public static Function Sin |
| 53 | + => new((double val) => Math.Sin(val).ToString(), "sin"); |
| 54 | + |
| 55 | + /// <summary> |
| 56 | + /// The cosine function with a parameter in radians |
| 57 | + /// </summary> |
| 58 | + public static Function Cos |
| 59 | + => new((double val) => Math.Cos(val).ToString(), "cos"); |
| 60 | + |
| 61 | + /// <summary> |
| 62 | + /// The tangent function with a parameter in radians |
| 63 | + /// </summary> |
| 64 | + public static Function Tan |
| 65 | + => new((double val) => Math.Tan(val).ToString(), "tan"); |
| 66 | + |
| 67 | + /// <summary> |
| 68 | + /// The inverse sine function |
| 69 | + /// </summary> |
| 70 | + public static Function Asin |
| 71 | + => new((double val) => Math.Asin(val).ToString(), "asin", "arcsin", "sin^-1", "sin^(-1)"); |
| 72 | + |
| 73 | + /// <summary> |
| 74 | + /// The inverse cosine function |
| 75 | + /// </summary> |
| 76 | + public static Function Acos |
| 77 | + => new((double val) => Math.Acos(val).ToString(), "acos", "arccos", "cos^-1", "cos^(-1)"); |
| 78 | + |
| 79 | + /// <summary> |
| 80 | + /// The inverse tangent function |
| 81 | + /// </summary> |
| 82 | + public static Function Atan |
| 83 | + => new((double val) => Math.Atan(val).ToString(), "atan", "arctan", "tan^-1", "tan^(-1)"); |
| 84 | + |
| 85 | + /// <summary> |
| 86 | + /// The hyperbolic sine function |
| 87 | + /// </summary> |
| 88 | + public static Function Sinh |
| 89 | + => new((double val) => Math.Sinh(val).ToString(), "sinh"); |
| 90 | + |
| 91 | + /// <summary> |
| 92 | + /// The hyperbolic cosine function |
| 93 | + /// </summary> |
| 94 | + public static Function Cosh |
| 95 | + => new((double val) => Math.Cosh(val).ToString(), "cosh"); |
| 96 | + |
| 97 | + /// <summary> |
| 98 | + /// The hyperbolic tangent function |
| 99 | + /// </summary> |
| 100 | + public static Function Tanh |
| 101 | + => new((double val) => Math.Tanh(val).ToString(), "tanh"); |
| 102 | + |
| 103 | + /// <summary> |
| 104 | + /// The inverse hyperbolic sine function |
| 105 | + /// </summary> |
| 106 | + public static Function Asinh |
| 107 | + => new((double val) => Math.Asinh(val).ToString(), "asinh", "arcsinh", "sinh^-1", "sinh^(-1)"); |
| 108 | + |
| 109 | + /// <summary> |
| 110 | + /// The inverse hyperbolic cosine function |
| 111 | + /// </summary> |
| 112 | + public static Function Acosh |
| 113 | + => new((double val) => Math.Acosh(val).ToString(), "acosh", "arccosh", "cosh^-1", "cosh^(-1)"); |
| 114 | + |
| 115 | + /// <summary> |
| 116 | + /// The inverse hyperbolic tangent function |
| 117 | + /// </summary> |
| 118 | + public static Function Atanh |
| 119 | + => new((double val) => Math.Atanh(val).ToString(), "atanh", "arctanh", "tanh^-1", "tanh^(-1)"); |
| 120 | + |
| 121 | + /// <summary> |
| 122 | + /// The ceiling function |
| 123 | + /// </summary> |
| 124 | + public static Function Ceil |
| 125 | + => new((double val) => Math.Ceiling(val).ToString(), "ceil"); |
| 126 | + |
| 127 | + /// <summary> |
| 128 | + /// The floor function |
| 129 | + /// </summary> |
| 130 | + public static Function Floor |
| 131 | + => new((double val) => Math.Floor(val).ToString(), "floor"); |
| 132 | + |
| 133 | + /// <summary> |
| 134 | + /// The sign function |
| 135 | + /// </summary> |
| 136 | + public static Function Sign |
| 137 | + => new((double val) => Math.Sign(val).ToString(), "sign", "sgn"); |
| 138 | + |
| 139 | + /// <summary> |
| 140 | + /// The logarithm function of base e |
| 141 | + /// </summary> |
| 142 | + public static Function Log |
| 143 | + => new((double val) => Math.Log(val).ToString(), "loge", "log_e", "ln"); |
| 144 | + |
| 145 | + /// <summary> |
| 146 | + /// The logarithm function of base 2 |
| 147 | + /// </summary> |
| 148 | + public static Function Log2 |
| 149 | + => new((double val) => Math.Log2(val).ToString(), "log2", "log_2"); |
| 150 | + |
| 151 | + /// <summary> |
| 152 | + /// The logarithm function of base 10 |
| 153 | + /// </summary> |
| 154 | + public static Function Log10 |
| 155 | + => new((double val) => Math.Log10(val).ToString(), "log10", "log_10", "log"); |
| 156 | + |
| 157 | + /// <summary> |
| 158 | + /// The degree function converts radians to degrees |
| 159 | + /// </summary> |
| 160 | + public static Function Deg |
| 161 | + => new((double val) => (val * 180 / Math.PI).ToString(), "deg"); |
| 162 | + |
| 163 | + /// <summary> |
| 164 | + /// The radian function converts degrees to radians |
| 165 | + /// </summary> |
| 166 | + public static Function Rad |
| 167 | + => new((double val) => (val * Math.PI / 180).ToString(), "rad"); |
| 168 | +} |
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