XmlAggregates.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / XmlUtils / System / Xml / Xsl / Runtime / XmlAggregates.cs / 1305376 / XmlAggregates.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
using System; 
using System.Xml; 
using System.Diagnostics;
using System.ComponentModel; 

namespace System.Xml.Xsl.Runtime {

    ///  
    /// Computes aggregates over a sequence of Int32 values.
    ///  
    [EditorBrowsable(EditorBrowsableState.Never)] 
    public struct Int32Aggregator {
        private int result; 
        private int cnt;

        public void Create() {
            this.cnt = 0; 
        }
 
        public void Sum(int value) { 
            if (this.cnt == 0) {
                this.result = value; 
                this.cnt = 1;
            }
            else {
                this.result += value; 
            }
        } 
 
        public void Average(int value) {
            if (this.cnt == 0) 
                this.result = value;
            else
                this.result += value;
 
            this.cnt++;
        } 
 
        public void Minimum(int value) {
            if (this.cnt == 0 || value < this.result) 
                this.result = value;

            this.cnt = 1;
        } 

        public void Maximum(int value) { 
            if (this.cnt == 0 || value > this.result) 
                this.result = value;
 
            this.cnt = 1;
        }

        public int SumResult { get { return this.result; } } 
        public int AverageResult { get { return this.result / this.cnt; } }
        public int MinimumResult { get { return this.result; } } 
        public int MaximumResult { get { return this.result; } } 

        public bool IsEmpty { get { return this.cnt == 0; } } 
    }


    ///  
    /// Computes aggregates over a sequence of Int64 values.
    ///  
    [EditorBrowsable(EditorBrowsableState.Never)] 
    public struct Int64Aggregator {
        private long result; 
        private int cnt;

        public void Create() {
            this.cnt = 0; 
        }
 
        public void Sum(long value) { 
            if (this.cnt == 0) {
                this.result = value; 
                this.cnt = 1;
            }
            else {
                this.result += value; 
            }
        } 
 
        public void Average(long value) {
            if (this.cnt == 0) 
                this.result = value;
            else
                this.result += value;
 
            this.cnt++;
        } 
 
        public void Minimum(long value) {
            if (this.cnt == 0 || value < this.result) 
                this.result = value;

            this.cnt = 1;
        } 

        public void Maximum(long value) { 
            if (this.cnt == 0 || value > this.result) 
                this.result = value;
 
            this.cnt = 1;
        }

        public long SumResult { get { return this.result; } } 
        public long AverageResult { get { return this.result / (long) this.cnt; } }
        public long MinimumResult { get { return this.result; } } 
        public long MaximumResult { get { return this.result; } } 

        public bool IsEmpty { get { return this.cnt == 0; } } 
    }


    ///  
    /// Computes aggregates over a sequence of Decimal values.
    ///  
    [EditorBrowsable(EditorBrowsableState.Never)] 
    public struct DecimalAggregator {
        private decimal result; 
        private int cnt;

        public void Create() {
            this.cnt = 0; 
        }
 
        public void Sum(decimal value) { 
            if (this.cnt == 0) {
                this.result = value; 
                this.cnt = 1;
            }
            else {
                this.result += value; 
            }
        } 
 
        public void Average(decimal value) {
            if (this.cnt == 0) 
                this.result = value;
            else
                this.result += value;
 
            this.cnt++;
        } 
 
        public void Minimum(decimal value) {
            if (this.cnt == 0 || value < this.result) 
                this.result = value;

            this.cnt = 1;
        } 

        public void Maximum(decimal value) { 
            if (this.cnt == 0 || value > this.result) 
                this.result = value;
 
            this.cnt = 1;
        }

        public decimal SumResult { get { return this.result; } } 
        public decimal AverageResult { get { return this.result / (decimal) this.cnt; } }
        public decimal MinimumResult { get { return this.result; } } 
        public decimal MaximumResult { get { return this.result; } } 

        public bool IsEmpty { get { return this.cnt == 0; } } 
    }


    ///  
    /// Computes aggregates over a sequence of Double values.
    ///  
    [EditorBrowsable(EditorBrowsableState.Never)] 
    public struct DoubleAggregator {
        private double result; 
        private int cnt;

        public void Create() {
            this.cnt = 0; 
        }
 
        public void Sum(double value) { 
            if (this.cnt == 0) {
                this.result = value; 
                this.cnt = 1;
            }
            else {
                this.result += value; 
            }
        } 
 
        public void Average(double value) {
            if (this.cnt == 0) 
                this.result = value;
            else
                this.result += value;
 
            this.cnt++;
        } 
 
        public void Minimum(double value) {
            if (this.cnt == 0 || value < this.result || double.IsNaN(value)) 
                this.result = value;

            this.cnt = 1;
        } 

        public void Maximum(double value) { 
            if (this.cnt == 0 || value > this.result || double.IsNaN(value)) 
                this.result = value;
 
            this.cnt = 1;
        }

        public double SumResult { get { return this.result; } } 
        public double AverageResult { get { return this.result / (double) this.cnt; } }
        public double MinimumResult { get { return this.result; } } 
        public double MaximumResult { get { return this.result; } } 

        public bool IsEmpty { get { return this.cnt == 0; } } 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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XmlAggregates.cs source code in C# .NET

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