/*
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* Licensed to the Apache Software Foundation (ASF) Under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for Additional information regarding copyright ownership.
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* The ASF licenses this file to You Under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed Under the License is distributed on an "AS Is" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations Under the License.
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*/
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/*
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* Created on May 14, 2005
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*
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*/
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namespace HH.WMS.Utils.NPOI.SS.Formula.Functions
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{
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using System;
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using HH.WMS.Utils.NPOI.SS.Formula.Eval;
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public abstract class OneArg : Fixed1ArgFunction
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{
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protected OneArg()
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{
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// no fields to initialise
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}
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public override ValueEval Evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg0)
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{
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double result;
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try
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{
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double d = NumericFunction.SingleOperandEvaluate(arg0, srcRowIndex, srcColumnIndex);
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result = Evaluate(d);
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NumericFunction.CheckValue(result);
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}
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catch (EvaluationException e)
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{
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return e.GetErrorEval();
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}
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return new NumberEval(result);
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}
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protected double Eval(ValueEval[] args, int srcCellRow, short srcCellCol)
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{
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if (args.Length != 1)
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{
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throw new EvaluationException(ErrorEval.VALUE_INVALID);
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}
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double d = NumericFunction.SingleOperandEvaluate(args[0], srcCellRow, srcCellCol);
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return Evaluate(d);
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}
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public abstract double Evaluate(double d);
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}
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public abstract class TwoArg : Fixed2ArgFunction
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{
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protected TwoArg()
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{
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// no fields to initialise
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}
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public override ValueEval Evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg0, ValueEval arg1)
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{
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double result;
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try
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{
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double d0 = NumericFunction.SingleOperandEvaluate(arg0, srcRowIndex, srcColumnIndex);
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double d1 = NumericFunction.SingleOperandEvaluate(arg1, srcRowIndex, srcColumnIndex);
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result = Evaluate(d0, d1);
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NumericFunction.CheckValue(result);
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}
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catch (EvaluationException e)
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{
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return e.GetErrorEval();
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}
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return new NumberEval(result);
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}
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public abstract double Evaluate(double d0, double d1);
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}
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/**
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* @author Amol S. Deshmukh < amolweb at yahoo dot com >
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*
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*/
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public abstract class NumericFunction : Function
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{
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public static double TEN = 10.0;
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public static double LOG_10_TO_BASE_e = Math.Log(TEN);
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public static double E = Math.E;
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public static double PI = Math.PI;
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public static double ZERO = 0.0;
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public static double SingleOperandEvaluate(ValueEval arg, int srcCellRow, int srcCellCol)
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{
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ValueEval ve = OperandResolver.GetSingleValue(arg, srcCellRow, srcCellCol);
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double result = OperandResolver.CoerceValueToDouble(ve);
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CheckValue(result);
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return result;
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}
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public static void CheckValue(double result)
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{
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if (Double.IsNaN(result) || Double.IsInfinity(result))
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{
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throw new EvaluationException(ErrorEval.NUM_ERROR);
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}
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}
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public ValueEval Evaluate(ValueEval[] args, int srcCellRow, int srcCellCol)
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{
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double result;
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try
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{
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result = Eval(args, srcCellRow, srcCellCol);
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CheckValue(result);
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}
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catch (EvaluationException e)
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{
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return e.GetErrorEval();
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}
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return new NumberEval(result);
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}
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protected abstract double Eval(ValueEval[] evals, int srcCellRow, int srcCellCol);
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public static Function ABS = new Abs();
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public static Function COS = new Cos();
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public static Function COSH = new Cosh();
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public static Function ACOS = new Acos();
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public static Function ACOSH = new Acosh();
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public static Function ASIN = new Asin();
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public static Function ASINH = new Asinh();
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public static Function SIN = new Sin();
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public static Function SINH = new Sinh();
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public static Function TAN = new Tan();
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public static Function TANH = new Tanh();
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public static Function ATAN = new Atan();
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public static Function ATANH = new Atanh();
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public static Function ATAN2 = new Atan2();
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public static Function DEGREES = new Degrees();
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public static Function DOLLAR = new Dollar();
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public static Function EXP = new Exp();
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public static Function FACT = new Fact();
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public static Function INT = new Int();
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public static Function LN = new Ln();
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public static Function LOG10 = new Log10();
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public static Function RADIANS = new Radians();
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public static Function SIGN = new Sign();
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public static Function SQRT=new Sqrt();
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public static Function CEILING = new Ceiling();
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public static Function COMBIN=new Combin();
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public static Function FLOOR = new Floor();
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public static Function MOD=new Mod();
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public static Function POWER=new Power();
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public static Function ROUND=new Round();
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public static Function ROUNDDOWN=new Rounddown();
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public static Function ROUNDUP=new Roundup();
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public static Function LOG = new Log();
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public static Function TRUNC = new Trunc();
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public static Function POISSON = new Poisson();
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}
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}
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