//
// Author:
// Tim Coleman <tim@timcoleman.com>
+// Ville Palo <vi64pa@koti.soon.fi>
//
// (C) Copyright 2002 Tim Coleman
//
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
using System;
+using System.Xml;
+using System.Xml.Schema;
+using System.Globalization;
+using System.Xml.Serialization;
namespace System.Data.SqlTypes
{
+#if NET_2_0
+ [SerializableAttribute]
+ [XmlSchemaProvider ("GetXsdType")]
+#endif
public struct SqlSingle : INullable, IComparable
+#if NET_2_0
+ , IXmlSerializable
+#endif
{
#region Fields
- float value;
+ private float value;
+ private bool notNull;
- public static readonly SqlSingle MaxValue = new SqlSingle (3.40E+38);
- public static readonly SqlSingle MinValue = new SqlSingle (-3.40E+38);
+ public static readonly SqlSingle MaxValue = new SqlSingle (3.40282346638528859E+38f);
+ public static readonly SqlSingle MinValue = new SqlSingle (-3.40282346638528859E+38f);
public static readonly SqlSingle Null;
public static readonly SqlSingle Zero = new SqlSingle (0);
#region Constructors
- public SqlSingle (double value)
+ public SqlSingle (double value)
{
this.value = (float)value;
+ notNull = true;
}
- public SqlSingle (float value)
+ public SqlSingle (float value)
{
this.value = value;
+ notNull = true;
}
#endregion
#region Properties
- public bool IsNull {
- get { return (bool) (this == Null); }
+ public bool IsNull {
+ get { return !notNull; }
}
- public float Value {
- get {
- if (this.IsNull)
+ public float Value {
+ get {
+ if (this.IsNull)
throw new SqlNullValueException ();
else
return value;
return 1;
else if (!(value is SqlSingle))
throw new ArgumentException (Locale.GetText ("Value is not a System.Data.SqlTypes.SqlSingle"));
- else if (value.IsNull)
+
+ return CompareSqlSingle ((SqlSingle) value);
+ }
+
+#if NET_2_0
+ public int CompareTo (SqlSingle value)
+ {
+ return CompareSqlSingle (value);
+ }
+#endif
+
+ private int CompareSqlSingle (SqlSingle value)
+ {
+ if (value.IsNull)
return 1;
else
- return value.CompareTo (value.Value);
+ return this.value.CompareTo (value.Value);
}
public static SqlSingle Divide (SqlSingle x, SqlSingle y)
{
if (!(value is SqlSingle))
return false;
+ else if (this.IsNull)
+ return ((SqlSingle)value).IsNull;
+ else if (((SqlSingle)value).IsNull)
+ return false;
else
- return (bool) (this == value);
+ return (bool) (this == (SqlSingle)value);
}
public static SqlBoolean Equals (SqlSingle x, SqlSingle y)
return (x == y);
}
- [MonoTODO]
public override int GetHashCode ()
{
- return (int)value;
+ long LongValue = (long) value;
+ return (int) (LongValue ^ (LongValue >> 32));
}
public static SqlBoolean GreaterThan (SqlSingle x, SqlSingle y)
return (x != y);
}
- [MonoTODO]
public static SqlSingle Parse (string s)
{
- throw new NotImplementedException ();
+ return new SqlSingle (Single.Parse (s));
}
public static SqlSingle Subtract (SqlSingle x, SqlSingle y)
public SqlBoolean ToSqlBoolean ()
{
- return ((SqlBoolean)this);
+ return ((SqlBoolean) this);
}
public SqlByte ToSqlByte ()
{
- return ((SqlByte)this);
+ return ((SqlByte) this);
}
public SqlDecimal ToSqlDecimal ()
{
- return ((SqlDecimal)this);
+ return ((SqlDecimal) this);
}
public SqlDouble ToSqlDouble ()
{
- return ((SqlDouble)this);
+ return ((SqlDouble) this);
}
public SqlInt16 ToSqlInt16 ()
{
- return ((SqlInt16)this);
+ return ((SqlInt16) this);
}
public SqlInt32 ToSqlInt32 ()
{
- return ((SqlInt32)this);
+ return ((SqlInt32) this);
}
public SqlInt64 ToSqlInt64 ()
{
- return ((SqlInt64)this);
+ return ((SqlInt64) this);
}
public SqlMoney ToSqlMoney ()
{
- return ((SqlMoney)this);
+ return ((SqlMoney) this);
}
-
public SqlString ToSqlString ()
{
- return ((SqlString)this);
+ return ((SqlString) this);
}
public override string ToString ()
{
+ if (!notNull)
+ return "Null";
return value.ToString ();
}
public static SqlSingle operator + (SqlSingle x, SqlSingle y)
{
- return new SqlSingle (x.Value + y.Value);
+ float f = (float) (x.Value + y.Value);
+
+ if (Single.IsInfinity (f))
+ throw new OverflowException ();
+
+ return new SqlSingle (f);
}
public static SqlSingle operator / (SqlSingle x, SqlSingle y)
{
+ float f = (float) (x.Value / y.Value);
+
+ if (Single.IsInfinity (f)) {
+ if (y.Value == 0d)
+ throw new DivideByZeroException ();
+ }
+
return new SqlSingle (x.Value / y.Value);
}
public static SqlBoolean operator == (SqlSingle x, SqlSingle y)
{
- if (x.IsNull || y .IsNull) return SqlBoolean.Null;
+ if (x.IsNull || y .IsNull)
+ return SqlBoolean.Null;
return new SqlBoolean (x.Value == y.Value);
}
public static SqlBoolean operator > (SqlSingle x, SqlSingle y)
{
- if (x.IsNull || y .IsNull) return SqlBoolean.Null;
+ if (x.IsNull || y .IsNull)
+ return SqlBoolean.Null;
return new SqlBoolean (x.Value > y.Value);
}
public static SqlBoolean operator >= (SqlSingle x, SqlSingle y)
{
- if (x.IsNull || y .IsNull) return SqlBoolean.Null;
+ if (x.IsNull || y .IsNull)
+ return SqlBoolean.Null;
return new SqlBoolean (x.Value >= y.Value);
}
public static SqlBoolean operator != (SqlSingle x, SqlSingle y)
{
- if (x.IsNull || y .IsNull) return SqlBoolean.Null;
+ if (x.IsNull || y .IsNull)
+ return SqlBoolean.Null;
return new SqlBoolean (!(x.Value == y.Value));
}
public static SqlBoolean operator < (SqlSingle x, SqlSingle y)
{
- if (x.IsNull || y .IsNull) return SqlBoolean.Null;
+ if (x.IsNull || y .IsNull)
+ return SqlBoolean.Null;
return new SqlBoolean (x.Value < y.Value);
}
public static SqlBoolean operator <= (SqlSingle x, SqlSingle y)
{
- if (x.IsNull || y .IsNull) return SqlBoolean.Null;
+ if (x.IsNull || y .IsNull)
+ return SqlBoolean.Null;
return new SqlBoolean (x.Value <= y.Value);
}
public static SqlSingle operator * (SqlSingle x, SqlSingle y)
{
- return new SqlSingle (x.Value * y.Value);
+ float f = (float) (x.Value * y.Value);
+
+ if (Single.IsInfinity (f))
+ throw new OverflowException ();
+
+ return new SqlSingle (f);
}
public static SqlSingle operator - (SqlSingle x, SqlSingle y)
{
- return new SqlSingle (x.Value - y.Value);
+ float f = (float) (x.Value - y.Value);
+
+ if (Single.IsInfinity (f))
+ throw new OverflowException ();
+
+ return new SqlSingle (f);
}
- public static SqlSingle operator - (SqlSingle n)
+ public static SqlSingle operator - (SqlSingle x)
{
- return new SqlSingle (-(n.Value));
+ return new SqlSingle (-(x.Value));
}
public static explicit operator SqlSingle (SqlBoolean x)
{
- return new SqlSingle((float)x.ByteValue);
+ checked {
+ if (x.IsNull)
+ return Null;
+
+ return new SqlSingle((float)x.ByteValue);
+ }
}
public static explicit operator SqlSingle (SqlDouble x)
{
- return new SqlSingle((float)x.Value);
+ if (x.IsNull)
+ return Null;
+
+ float f = (float)x.Value;
+
+ if (Single.IsInfinity (f))
+ throw new OverflowException ();
+
+ return new SqlSingle(f);
}
public static explicit operator float (SqlSingle x)
return x.Value;
}
- [MonoTODO]
public static explicit operator SqlSingle (SqlString x)
{
- throw new NotImplementedException ();
+ checked {
+ if (x.IsNull)
+ return Null;
+
+ return SqlSingle.Parse (x.Value);
+ }
}
public static implicit operator SqlSingle (float x)
public static implicit operator SqlSingle (SqlByte x)
{
- if (x.IsNull)
+ if (x.IsNull)
return Null;
- else
- return new SqlSingle((float)x.Value);
+ else
+ return new SqlSingle((float) x.Value);
}
public static implicit operator SqlSingle (SqlDecimal x)
{
- if (x.IsNull)
+ if (x.IsNull)
return Null;
else
- return new SqlSingle((float)x.Value);
+ return new SqlSingle((float) x.Value);
}
public static implicit operator SqlSingle (SqlInt16 x)
{
- if (x.IsNull)
+ if (x.IsNull)
return Null;
else
- return new SqlSingle((float)x.Value);
+ return new SqlSingle((float) x.Value);
}
public static implicit operator SqlSingle (SqlInt32 x)
{
- if (x.IsNull)
+ if (x.IsNull)
return Null;
else
- return new SqlSingle((float)x.Value);
+ return new SqlSingle((float) x.Value);
}
public static implicit operator SqlSingle (SqlInt64 x)
{
- if (x.IsNull)
+ if (x.IsNull)
return Null;
else
- return new SqlSingle((float)x.Value);
+ return new SqlSingle((float) x.Value);
}
public static implicit operator SqlSingle (SqlMoney x)
{
- if (x.IsNull)
+ if (x.IsNull)
return Null;
else
- return new SqlSingle((float)x.Value);
+ return new SqlSingle((float) x.Value);
+ }
+
+#if NET_2_0
+ public static XmlQualifiedName GetXsdType (XmlSchemaSet schemaSet)
+ {
+ XmlQualifiedName qualifiedName = new XmlQualifiedName ("float", "http://www.w3.org/2001/XMLSchema");
+ return qualifiedName;
+ }
+
+ [MonoTODO]
+ XmlSchema IXmlSerializable.GetSchema ()
+ {
+ throw new NotImplementedException ();
+ }
+
+ [MonoTODO]
+ void IXmlSerializable.ReadXml (XmlReader reader)
+ {
+ throw new NotImplementedException ();
}
+
+ [MonoTODO]
+ void IXmlSerializable.WriteXml (XmlWriter writer)
+ {
+ throw new NotImplementedException ();
+ }
+#endif
#endregion
}
}
-
projects / mono.git / blobdiff