51 lines
1.4 KiB
Plaintext
51 lines
1.4 KiB
Plaintext
abstract class OperatorExpression : IExpression {
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IExpression A;
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IExpression B;
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internal void Init!(IExpression a, IExpression b) {
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A = a;
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B = b;
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}
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internal abstract double OperatorImplementation(double a, double b);
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internal override double Calculate() => OperatorImplementation(A.Calculate(), B.Calculate());
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}
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class OperatorExpressionAdd : OperatorExpression {
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internal override double OperatorImplementation(double a, double b) => a+b;
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}
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class OperatorExpressionSub : OperatorExpression {
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internal override double OperatorImplementation(double a, double b) => a-b;
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}
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class OperatorExpressionMul : OperatorExpression {
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internal override double OperatorImplementation(double a, double b) => a*b;
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}
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class OperatorExpressionDiv : OperatorExpression {
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internal override double OperatorImplementation(double a, double b) => a/b;
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}
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class OperatorExpressionMod : OperatorExpression {
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// returns if b>0 then returns a%b else returns a
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internal override double OperatorImplementation(double a, double b) {
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if(b <= 0)
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return a;
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if(a > 0){
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while(a >= b)
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a -= b;
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}
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else {
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while(a <= b)
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a += b;
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}
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return a;
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}
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}
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class OperatorExpressionPow : OperatorExpression {
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internal override double OperatorImplementation(double a, double b) => Math.Pow(a, b);
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}
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