UInt32.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / UInt32.cs / 1305376 / UInt32.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class:  UInt32 
**
** 
** Purpose: This class will encapsulate an uint and
**          provide an Object representation of it.
**
** 
===========================================================*/
namespace System { 
    using System.Globalization; 
    using System;
///#if GENERICS_WORK 
///    using System.Numerics;
///#endif
    using System.Runtime;
    using System.Runtime.InteropServices; 
    using System.Diagnostics.Contracts;
 
    // * Wrapper for unsigned 32 bit integers. 
    [Serializable]
    [CLSCompliant(false), System.Runtime.InteropServices.StructLayout(LayoutKind.Sequential)] 
    [System.Runtime.InteropServices.ComVisible(true)]
#if GENERICS_WORK
    public struct UInt32 : IComparable, IFormattable, IConvertible
        , IComparable, IEquatable 
///     , IArithmetic
#if false // ugly hack to fix syntax for TrimSrc parser, which ignores #if directives 
    { 
    }
#endif 
#else
    public struct UInt32 : IComparable, IFormattable, IConvertible
#endif
    { 
        private uint m_value;
 
        public const uint MaxValue = (uint)0xffffffff; 
        public const uint MinValue = 0U;
 

        // Compares this object to another object, returning an integer that
        // indicates the relationship.
        // Returns a value less than zero if this  object 
        // null is considered to be less than any instance.
        // If object is not of type UInt32, this method throws an ArgumentException. 
        // 
        public int CompareTo(Object value) {
            if (value == null) { 
                return 1;
            }
            if (value is UInt32) {
                // Need to use compare because subtraction will wrap 
                // to positive for very large neg numbers, etc.
                uint i = (uint)value; 
                if (m_value < i) return -1; 
                if (m_value > i) return 1;
                return 0; 
            }
            throw new ArgumentException(Environment.GetResourceString("Arg_MustBeUInt32"));
        }
 
        public int CompareTo(UInt32 value) {
            // Need to use compare because subtraction will wrap 
            // to positive for very large neg numbers, etc. 
            if (m_value < value) return -1;
            if (m_value > value) return 1; 
            return 0;
        }

#if !FEATURE_CORECLR 
        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
#endif 
        public override bool Equals(Object obj) { 
            if (!(obj is UInt32)) {
                return false; 
            }
            return m_value == ((UInt32)obj).m_value;
        }
 
        public bool Equals(UInt32 obj)
        { 
            return m_value == obj; 
        }
 
        // The absolute value of the int contained.
#if !FEATURE_CORECLR
        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
#endif 
        public override int GetHashCode() {
            return ((int) m_value); 
        } 

        // The base 10 representation of the number with no extra padding. 
        [System.Security.SecuritySafeCritical]  // auto-generated
#if !FEATURE_CORECLR
        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
#endif 
        public override String ToString() {
            Contract.Ensures(Contract.Result() != null); 
            return Number.FormatUInt32(m_value, null, NumberFormatInfo.CurrentInfo); 
        }
 
        [System.Security.SecuritySafeCritical]  // auto-generated
        public String ToString(IFormatProvider provider) {
            Contract.Ensures(Contract.Result() != null);
            return Number.FormatUInt32(m_value, null, NumberFormatInfo.GetInstance(provider)); 
        }
 
        [System.Security.SecuritySafeCritical]  // auto-generated 
        public String ToString(String format) {
            Contract.Ensures(Contract.Result() != null); 
            return Number.FormatUInt32(m_value, format, NumberFormatInfo.CurrentInfo);
        }

        [System.Security.SecuritySafeCritical]  // auto-generated 
#if !FEATURE_CORECLR
        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")] 
#endif 
        public String ToString(String format, IFormatProvider provider) {
            Contract.Ensures(Contract.Result() != null); 
            return Number.FormatUInt32(m_value, format, NumberFormatInfo.GetInstance(provider));
        }

        [CLSCompliant(false)] 
        public static uint Parse(String s) {
            return Number.ParseUInt32(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo); 
        } 

        [CLSCompliant(false)] 
        public static uint Parse(String s, NumberStyles style) {
            NumberFormatInfo.ValidateParseStyleInteger(style);
            return Number.ParseUInt32(s, style, NumberFormatInfo.CurrentInfo);
        } 

 
        [CLSCompliant(false)] 
        public static uint Parse(String s, IFormatProvider provider) {
            return Number.ParseUInt32(s, NumberStyles.Integer, NumberFormatInfo.GetInstance(provider)); 
        }

        [CLSCompliant(false)]
        public static uint Parse(String s, NumberStyles style, IFormatProvider provider) { 
            NumberFormatInfo.ValidateParseStyleInteger(style);
            return Number.ParseUInt32(s, style, NumberFormatInfo.GetInstance(provider)); 
        } 

        [System.Security.SecuritySafeCritical]  // auto-generated 
        [CLSCompliant(false)]
        public static bool TryParse(String s, out UInt32 result) {
            return Number.TryParseUInt32(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo, out result);
        } 

        [System.Security.SecuritySafeCritical]  // auto-generated 
        [CLSCompliant(false)] 
        public static bool TryParse(String s, NumberStyles style, IFormatProvider provider, out UInt32 result) {
            NumberFormatInfo.ValidateParseStyleInteger(style); 
            return Number.TryParseUInt32(s, style, NumberFormatInfo.GetInstance(provider), out result);
        }

        // 
        // IConvertible implementation
        // 
 
#if !FEATURE_CORECLR
        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")] 
#endif
        public TypeCode GetTypeCode() {
            return TypeCode.UInt32;
        } 

        ///  
        bool IConvertible.ToBoolean(IFormatProvider provider) { 
            return Convert.ToBoolean(m_value);
        } 

        /// 
        char IConvertible.ToChar(IFormatProvider provider) {
            return Convert.ToChar(m_value); 
        }
 
        ///  
        sbyte IConvertible.ToSByte(IFormatProvider provider) {
            return Convert.ToSByte(m_value); 
        }

        /// 
        byte IConvertible.ToByte(IFormatProvider provider) { 
            return Convert.ToByte(m_value);
        } 
 
        /// 
        short IConvertible.ToInt16(IFormatProvider provider) { 
            return Convert.ToInt16(m_value);
        }

        ///  
        ushort IConvertible.ToUInt16(IFormatProvider provider) {
            return Convert.ToUInt16(m_value); 
        } 

        ///  
        int IConvertible.ToInt32(IFormatProvider provider) {
            return Convert.ToInt32(m_value);
        }
 
        /// 
        uint IConvertible.ToUInt32(IFormatProvider provider) { 
            return m_value; 
        }
 
        /// 
        long IConvertible.ToInt64(IFormatProvider provider) {
            return Convert.ToInt64(m_value);
        } 

        ///  
#if !FEATURE_CORECLR 
        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
#endif 
        ulong IConvertible.ToUInt64(IFormatProvider provider) {
            return Convert.ToUInt64(m_value);
        }
 
        /// 
        float IConvertible.ToSingle(IFormatProvider provider) { 
            return Convert.ToSingle(m_value); 
        }
 
        /// 
        double IConvertible.ToDouble(IFormatProvider provider) {
            return Convert.ToDouble(m_value);
        } 

        ///  
        Decimal IConvertible.ToDecimal(IFormatProvider provider) { 
            return Convert.ToDecimal(m_value);
        } 

        /// 
        DateTime IConvertible.ToDateTime(IFormatProvider provider) {
            throw new InvalidCastException(Environment.GetResourceString("InvalidCast_FromTo", "UInt32", "DateTime")); 
        }
 
        ///  
        Object IConvertible.ToType(Type type, IFormatProvider provider) {
            return Convert.DefaultToType((IConvertible)this, type, provider); 
        }

///#if GENERICS_WORK
///        // 
///        // IArithmetic implementation
///        // 
/// 
///        /// 
///        UInt32 IArithmetic.AbsoluteValue(out bool overflowed) { 
///            overflowed = false;
///            return m_value;
///        }
/// 
///        /// 
///        UInt32 IArithmetic.Negate(out bool overflowed) { 
///            overflowed = (m_value != 0); 
///            return m_value;
///        } 
///
///        /// 
///        UInt32 IArithmetic.Sign(out bool overflowed) {
///            overflowed = false; 
///            return (UInt32) (m_value == 0 ? 0 : 1);
///        } 
/// 
///        /// 
///        UInt32 IArithmetic.Add(UInt32 addend, out bool overflowed) { 
///            ulong ul = ((ulong)m_value) + addend;
///            overflowed = (ul > MaxValue);
///            return (UInt32) ul;
///        } 
///
///        ///  
///        UInt32 IArithmetic.Subtract(UInt32 subtrahend, out bool overflowed) { 
///            long l = ((long)m_value) - subtrahend;
///            overflowed = (l < MinValue); 
///            return (UInt32) l;
///        }
///
///        ///  
///        UInt32 IArithmetic.Multiply(UInt32 multiplier, out bool overflowed) {
///            // 
///            //   true arithmetic range check         =>     re-written for unsigned int 
///            // -------------------------------            -------------------------------
///            // ((m_value * multiplier) > MaxValue)   =>   (multiplier != 0) && (m_value > (MaxValue / multiplier)) 
///            //
///
///            overflowed = (multiplier != 0) && (m_value > (MaxValue / multiplier));
///            return unchecked(m_value * multiplier); 
///        }
/// 
///        ///  
///        UInt32 IArithmetic.Divide(UInt32 divisor, out bool overflowed) {
///            overflowed = false; 
///            return (UInt32) (m_value / divisor);  // divide by zero will fail
///        }
///
///        ///  
///        UInt32 IArithmetic.DivideRemainder(UInt32 divisor, out UInt32 remainder, out bool overflowed) {
///            overflowed = false; 
///            remainder = (UInt32) (m_value % divisor); 
///            return (UInt32) (m_value / divisor);  // divide by zero will fail
///        } 
///
///        /// 
///        UInt32 IArithmetic.Remainder(UInt32 divisor, out bool overflowed) {
///            overflowed = false; 
///            return (UInt32) (m_value % divisor);
///        } 
/// 
///        /// 
///        ArithmeticDescriptor IArithmetic.GetDescriptor() { 
///            if (s_descriptor == null) {
///                s_descriptor = new UInt32ArithmeticDescriptor( ArithmeticCapabilities.One
///                                                             | ArithmeticCapabilities.Zero
///                                                             | ArithmeticCapabilities.MaxValue 
///                                                             | ArithmeticCapabilities.MinValue
///                                                             | ArithmeticCapabilities.Unsigned); 
///            } 
///            return s_descriptor;
///        } 
///
///        private static UInt32ArithmeticDescriptor s_descriptor;
///
///        class UInt32ArithmeticDescriptor : ArithmeticDescriptor { 
///            public UInt32ArithmeticDescriptor(ArithmeticCapabilities capabilities) : base(capabilities) {}
/// 
///            public override UInt32 One { 
///                get {
///                    return (UInt32) 1; 
///                }
///            }
///
///            public override UInt32 Zero { 
///                get {
///                    return (UInt32) 0; 
///                } 
///            }
/// 
///            public override UInt32 MinValue {
///                get {
///                    return UInt32.MinValue;
///                } 
///            }
/// 
///            public override UInt32 MaxValue { 
///                get {
///                    return UInt32.MaxValue; 
///                }
///            }
///        }
///#endif // #if GENERICS_WORK 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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