コード例 #1
0
ファイル: UndefineTest.cs プロジェクト: zhiyongpeng/xFunc
        public void Equal2Test()
        {
            var exp1 = new Undefine(Variable.X);
            var exp2 = new Undefine(new Variable("y"));

            Assert.False(exp1.Equals(exp2));
        }
コード例 #2
0
ファイル: UndefineTest.cs プロジェクト: zhiyongpeng/xFunc
        public void EqualTest()
        {
            var exp1 = new Undefine(Variable.X);
            var exp2 = new Undefine(Variable.X);

            Assert.True(exp1.Equals(exp2));
        }
コード例 #3
0
ファイル: UndefineTest.cs プロジェクト: zhiyongpeng/xFunc
        public void EqualDiffTypesTest()
        {
            var exp1 = new Undefine(Variable.X);
            var exp2 = new Number(2);

            Assert.False(exp1.Equals(exp2));
        }
コード例 #4
0
ファイル: UndefineTest.cs プロジェクト: zhiyongpeng/xFunc
        public void CloneTest()
        {
            var exp   = new Undefine(Variable.X);
            var clone = exp.Clone();

            Assert.Equal(exp, clone);
        }
コード例 #5
0
ファイル: UndefineTest.cs プロジェクト: zhiyongpeng/xFunc
        public void UndefConstTest()
        {
            var parameters = new ParameterCollection();

            var undef = new Undefine(new Variable("π"));

            Assert.Throws <ArgumentException>(() => undef.Execute(parameters));
        }
コード例 #6
0
ファイル: UndefineTest.cs プロジェクト: zhiyongpeng/xFunc
        public void UndefVarTest()
        {
            var parameters = new ParameterCollection {
                { "a", 1 }
            };

            var undef = new Undefine(new Variable("a"));

            undef.Execute(parameters);
            Assert.False(parameters.ContainsKey("a"));
        }
コード例 #7
0
ファイル: UndefineTest.cs プロジェクト: zhiyongpeng/xFunc
        public void UndefFuncTest()
        {
            var key1 = new UserFunction("f", new IExpression[0]);
            var key2 = new UserFunction("f", new IExpression[1]);

            var functions = new FunctionCollection {
                { key1, new Number(1) }, { key2, new Number(2) }
            };

            var undef  = new Undefine(key1);
            var result = undef.Execute(functions);

            Assert.False(functions.ContainsKey(key1));
            Assert.True(functions.ContainsKey(key2));
            Assert.Equal("The 'f()' function is removed.", result);
        }
コード例 #8
0
 /// <summary>
 /// Analyzes the specified expression.
 /// </summary>
 /// <param name="exp">The expression.</param>
 /// <returns>
 /// The result of analysis.
 /// </returns>
 /// <exception cref="System.NotSupportedException">Always.</exception>
 public virtual TResult Analyze(Undefine exp)
 {
     throw new NotSupportedException();
 }
コード例 #9
0
 /// <summary>
 /// Analyzes the specified expression.
 /// </summary>
 /// <param name="exp">The expression.</param>
 /// <returns>The result of analysis.</returns>
 public string Analyze(Undefine exp)
 {
     return($"undef({exp.Key.Analyze(this)})");
 }
コード例 #10
0
        /// <summary>
        /// Creates an expression object from <see cref="FunctionToken"/>.
        /// </summary>
        /// <param name="token">The function token.</param>
        /// <returns>An expression.</returns>
        protected virtual IExpression CreateFunction(FunctionToken token)
        {
            IExpression exp;

            switch (token.Function)
            {
            case Functions.Add:
                exp = new Add(); break;

            case Functions.Sub:
                exp = new Sub(); break;

            case Functions.Mul:
                exp = new Mul(); break;

            case Functions.Div:
                exp = new Div(); break;

            case Functions.Pow:
                exp = new Pow(); break;

            case Functions.Absolute:
                exp = new Abs(); break;

            case Functions.Sine:
                exp = new Sin(); break;

            case Functions.Cosine:
                exp = new Cos(); break;

            case Functions.Tangent:
                exp = new Tan(); break;

            case Functions.Cotangent:
                exp = new Cot(); break;

            case Functions.Secant:
                exp = new Sec(); break;

            case Functions.Cosecant:
                exp = new Csc(); break;

            case Functions.Arcsine:
                exp = new Arcsin(); break;

            case Functions.Arccosine:
                exp = new Arccos(); break;

            case Functions.Arctangent:
                exp = new Arctan(); break;

            case Functions.Arccotangent:
                exp = new Arccot(); break;

            case Functions.Arcsecant:
                exp = new Arcsec(); break;

            case Functions.Arccosecant:
                exp = new Arccsc(); break;

            case Functions.Sqrt:
                exp = new Sqrt(); break;

            case Functions.Root:
                exp = new Root(); break;

            case Functions.Ln:
                exp = new Ln(); break;

            case Functions.Lg:
                exp = new Lg(); break;

            case Functions.Lb:
                exp = new Lb(); break;

            case Functions.Log:
                exp = new Log(); break;

            case Functions.Sineh:
                exp = new Sinh(); break;

            case Functions.Cosineh:
                exp = new Cosh(); break;

            case Functions.Tangenth:
                exp = new Tanh(); break;

            case Functions.Cotangenth:
                exp = new Coth(); break;

            case Functions.Secanth:
                exp = new Sech(); break;

            case Functions.Cosecanth:
                exp = new Csch(); break;

            case Functions.Arsineh:
                exp = new Arsinh(); break;

            case Functions.Arcosineh:
                exp = new Arcosh(); break;

            case Functions.Artangenth:
                exp = new Artanh(); break;

            case Functions.Arcotangenth:
                exp = new Arcoth(); break;

            case Functions.Arsecanth:
                exp = new Arsech(); break;

            case Functions.Arcosecanth:
                exp = new Arcsch(); break;

            case Functions.Exp:
                exp = new Exp(); break;

            case Functions.GCD:
                exp = new GCD(); break;

            case Functions.LCM:
                exp = new LCM(); break;

            case Functions.Factorial:
                exp = new Fact(); break;

            case Functions.Sum:
                exp = new Sum(); break;

            case Functions.Product:
                exp = new Product(); break;

            case Functions.Round:
                exp = new Round(); break;

            case Functions.Floor:
                exp = new Floor(); break;

            case Functions.Ceil:
                exp = new Ceil(); break;

            case Functions.Derivative:
                exp = new Derivative(); break;

            case Functions.Simplify:
                exp = new Simplify(); break;

            case Functions.Del:
                exp = new Del(); break;

            case Functions.Define:
                exp = new Define(); break;

            case Functions.Vector:
                exp = new Vector(); break;

            case Functions.Matrix:
                exp = new Matrix(); break;

            case Functions.Transpose:
                exp = new Transpose(); break;

            case Functions.Determinant:
                exp = new Determinant(); break;

            case Functions.Inverse:
                exp = new Inverse(); break;

            case Functions.If:
                exp = new If(); break;

            case Functions.For:
                exp = new For(); break;

            case Functions.While:
                exp = new While(); break;

            case Functions.Undefine:
                exp = new Undefine(); break;

            case Functions.Im:
                exp = new Im(); break;

            case Functions.Re:
                exp = new Re(); break;

            case Functions.Phase:
                exp = new Phase(); break;

            case Functions.Conjugate:
                exp = new Conjugate(); break;

            case Functions.Reciprocal:
                exp = new Reciprocal(); break;

            case Functions.Min:
                exp = new Min(); break;

            case Functions.Max:
                exp = new Max(); break;

            case Functions.Avg:
                exp = new Avg(); break;

            case Functions.Count:
                exp = new Count(); break;

            case Functions.Var:
                exp = new Var(); break;

            case Functions.Varp:
                exp = new Varp(); break;

            case Functions.Stdev:
                exp = new Stdev(); break;

            case Functions.Stdevp:
                exp = new Stdevp(); break;

            default:
                exp = null; break;
            }

            if (exp is DifferentParametersExpression diff)
            {
                diff.ParametersCount = token.CountOfParams;
            }

            return(exp);
        }
コード例 #11
0
        public void UndefineToStringTest()
        {
            var exp = new Undefine(Variable.X);

            Assert.Equal("undef(x)", exp.ToString(commoonFormatter));
        }
コード例 #12
0
ファイル: UndefineTest.cs プロジェクト: zhiyongpeng/xFunc
        public void EqualRefTest()
        {
            var exp = new Undefine(Variable.X);

            Assert.True(exp.Equals(exp));
        }