diff options
Diffstat (limited to 'src/System.Private.CoreLib/shared/System/Double.cs')
| -rw-r--r-- | src/System.Private.CoreLib/shared/System/Double.cs | 79 |
1 files changed, 39 insertions, 40 deletions
diff --git a/src/System.Private.CoreLib/shared/System/Double.cs b/src/System.Private.CoreLib/shared/System/Double.cs index 146ee4600..d85b4bca9 100644 --- a/src/System.Private.CoreLib/shared/System/Double.cs +++ b/src/System.Private.CoreLib/shared/System/Double.cs @@ -24,9 +24,9 @@ namespace System [Serializable] [StructLayout(LayoutKind.Sequential)] [TypeForwardedFrom("mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")] - public struct Double : IComparable, IConvertible, IFormattable, IComparable<Double>, IEquatable<Double>, ISpanFormattable + public readonly struct Double : IComparable, IConvertible, IFormattable, IComparable<double>, IEquatable<double>, ISpanFormattable { - private double m_value; // Do not rename (binary serialization) + private readonly double m_value; // Do not rename (binary serialization) // // Public Constants @@ -47,7 +47,7 @@ namespace System /// <summary>Determines whether the specified value is finite (zero, subnormal, or normal).</summary> [NonVersionable] [MethodImpl(MethodImplOptions.AggressiveInlining)] - public unsafe static bool IsFinite(double d) + public static unsafe bool IsFinite(double d) { var bits = BitConverter.DoubleToInt64Bits(d); return (bits & 0x7FFFFFFFFFFFFFFF) < 0x7FF0000000000000; @@ -56,7 +56,7 @@ namespace System /// <summary>Determines whether the specified value is infinite.</summary> [NonVersionable] [MethodImpl(MethodImplOptions.AggressiveInlining)] - public unsafe static bool IsInfinity(double d) + public static unsafe bool IsInfinity(double d) { var bits = BitConverter.DoubleToInt64Bits(d); return (bits & 0x7FFFFFFFFFFFFFFF) == 0x7FF0000000000000; @@ -65,7 +65,7 @@ namespace System /// <summary>Determines whether the specified value is NaN.</summary> [NonVersionable] [MethodImpl(MethodImplOptions.AggressiveInlining)] - public unsafe static bool IsNaN(double d) + public static unsafe bool IsNaN(double d) { var bits = BitConverter.DoubleToInt64Bits(d); return (bits & 0x7FFFFFFFFFFFFFFF) > 0x7FF0000000000000; @@ -74,10 +74,9 @@ namespace System /// <summary>Determines whether the specified value is negative.</summary> [NonVersionable] [MethodImpl(MethodImplOptions.AggressiveInlining)] - public unsafe static bool IsNegative(double d) + public static unsafe bool IsNegative(double d) { - var bits = unchecked((ulong)BitConverter.DoubleToInt64Bits(d)); - return (bits & 0x8000000000000000) == 0x8000000000000000; + return BitConverter.DoubleToInt64Bits(d) < 0; } /// <summary>Determines whether the specified value is negative infinity.</summary> @@ -91,7 +90,7 @@ namespace System /// <summary>Determines whether the specified value is normal.</summary> [NonVersionable] // This is probably not worth inlining, it has branches and should be rarely called - public unsafe static bool IsNormal(double d) + public static unsafe bool IsNormal(double d) { var bits = BitConverter.DoubleToInt64Bits(d); bits &= 0x7FFFFFFFFFFFFFFF; @@ -109,7 +108,7 @@ namespace System /// <summary>Determines whether the specified value is subnormal.</summary> [NonVersionable] // This is probably not worth inlining, it has branches and should be rarely called - public unsafe static bool IsSubnormal(double d) + public static unsafe bool IsSubnormal(double d) { var bits = BitConverter.DoubleToInt64Bits(d); bits &= 0x7FFFFFFFFFFFFFFF; @@ -123,13 +122,13 @@ namespace System // // Returns a value less than zero if this object // - public int CompareTo(Object value) + public int CompareTo(object value) { if (value == null) { return 1; } - if (value is Double) + if (value is double) { double d = (double)value; if (m_value < d) return -1; @@ -145,7 +144,7 @@ namespace System throw new ArgumentException(SR.Arg_MustBeDouble); } - public int CompareTo(Double value) + public int CompareTo(double value) { if (m_value < value) return -1; if (m_value > value) return 1; @@ -160,13 +159,13 @@ namespace System // True if obj is another Double with the same value as the current instance. This is // a method of object equality, that only returns true if obj is also a double. - public override bool Equals(Object obj) + public override bool Equals(object obj) { - if (!(obj is Double)) + if (!(obj is double)) { return false; } - double temp = ((Double)obj).m_value; + double temp = ((double)obj).m_value; // This code below is written this way for performance reasons i.e the != and == check is intentional. if (temp == m_value) { @@ -176,42 +175,42 @@ namespace System } [NonVersionable] - public static bool operator ==(Double left, Double right) + public static bool operator ==(double left, double right) { return left == right; } [NonVersionable] - public static bool operator !=(Double left, Double right) + public static bool operator !=(double left, double right) { return left != right; } [NonVersionable] - public static bool operator <(Double left, Double right) + public static bool operator <(double left, double right) { return left < right; } [NonVersionable] - public static bool operator >(Double left, Double right) + public static bool operator >(double left, double right) { return left > right; } [NonVersionable] - public static bool operator <=(Double left, Double right) + public static bool operator <=(double left, double right) { return left <= right; } [NonVersionable] - public static bool operator >=(Double left, Double right) + public static bool operator >=(double left, double right) { return left >= right; } - public bool Equals(Double obj) + public bool Equals(double obj) { if (obj == m_value) { @@ -226,7 +225,7 @@ namespace System [MethodImpl(MethodImplOptions.AggressiveInlining)] // 64-bit constants make the IL unusually large that makes the inliner to reject the method public override int GetHashCode() { - var bits = Unsafe.As<double, long>(ref m_value); + var bits = Unsafe.As<double, long>(ref Unsafe.AsRef(in m_value)); // Optimized check for IsNan() || IsZero() if (((bits - 1) & 0x7FFFFFFFFFFFFFFF) >= 0x7FF0000000000000) @@ -238,22 +237,22 @@ namespace System return unchecked((int)bits) ^ ((int)(bits >> 32)); } - public override String ToString() + public override string ToString() { return Number.FormatDouble(m_value, null, NumberFormatInfo.CurrentInfo); } - public String ToString(String format) + public string ToString(string format) { return Number.FormatDouble(m_value, format, NumberFormatInfo.CurrentInfo); } - public String ToString(IFormatProvider provider) + public string ToString(IFormatProvider provider) { return Number.FormatDouble(m_value, null, NumberFormatInfo.GetInstance(provider)); } - public String ToString(String format, IFormatProvider provider) + public string ToString(string format, IFormatProvider provider) { return Number.FormatDouble(m_value, format, NumberFormatInfo.GetInstance(provider)); } @@ -263,26 +262,26 @@ namespace System return Number.TryFormatDouble(m_value, format, NumberFormatInfo.GetInstance(provider), destination, out charsWritten); } - public static double Parse(String s) + public static double Parse(string s) { if (s == null) ThrowHelper.ThrowArgumentNullException(ExceptionArgument.s); return Number.ParseDouble(s, NumberStyles.Float | NumberStyles.AllowThousands, NumberFormatInfo.CurrentInfo); } - public static double Parse(String s, NumberStyles style) + public static double Parse(string s, NumberStyles style) { NumberFormatInfo.ValidateParseStyleFloatingPoint(style); if (s == null) ThrowHelper.ThrowArgumentNullException(ExceptionArgument.s); return Number.ParseDouble(s, style, NumberFormatInfo.CurrentInfo); } - public static double Parse(String s, IFormatProvider provider) + public static double Parse(string s, IFormatProvider provider) { if (s == null) ThrowHelper.ThrowArgumentNullException(ExceptionArgument.s); return Number.ParseDouble(s, NumberStyles.Float | NumberStyles.AllowThousands, NumberFormatInfo.GetInstance(provider)); } - public static double Parse(String s, NumberStyles style, IFormatProvider provider) + public static double Parse(string s, NumberStyles style, IFormatProvider provider) { NumberFormatInfo.ValidateParseStyleFloatingPoint(style); if (s == null) ThrowHelper.ThrowArgumentNullException(ExceptionArgument.s); @@ -297,7 +296,7 @@ namespace System // PositiveInfinity or NegativeInfinity for a number that is too // large or too small. - public static double Parse(ReadOnlySpan<char> s, NumberStyles style = NumberStyles.Integer, IFormatProvider provider = null) + public static double Parse(ReadOnlySpan<char> s, NumberStyles style = NumberStyles.Float | NumberStyles.AllowThousands, IFormatProvider provider = null) { NumberFormatInfo.ValidateParseStyleFloatingPoint(style); return Number.ParseDouble(s, style, NumberFormatInfo.GetInstance(provider)); @@ -305,7 +304,7 @@ namespace System - public static bool TryParse(String s, out double result) + public static bool TryParse(string s, out double result) { if (s == null) { @@ -321,7 +320,7 @@ namespace System return TryParse(s, NumberStyles.Float | NumberStyles.AllowThousands, NumberFormatInfo.CurrentInfo, out result); } - public static bool TryParse(String s, NumberStyles style, IFormatProvider provider, out double result) + public static bool TryParse(string s, NumberStyles style, IFormatProvider provider, out double result) { NumberFormatInfo.ValidateParseStyleFloatingPoint(style); @@ -346,15 +345,15 @@ namespace System if (!success) { ReadOnlySpan<char> sTrim = s.Trim(); - if (StringSpanHelpers.Equals(sTrim, info.PositiveInfinitySymbol)) + if (sTrim.EqualsOrdinal(info.PositiveInfinitySymbol)) { result = PositiveInfinity; } - else if (StringSpanHelpers.Equals(sTrim, info.NegativeInfinitySymbol)) + else if (sTrim.EqualsOrdinal(info.NegativeInfinitySymbol)) { result = NegativeInfinity; } - else if (StringSpanHelpers.Equals(sTrim, info.NaNSymbol)) + else if (sTrim.EqualsOrdinal(info.NaNSymbol)) { result = NaN; } @@ -435,7 +434,7 @@ namespace System return m_value; } - Decimal IConvertible.ToDecimal(IFormatProvider provider) + decimal IConvertible.ToDecimal(IFormatProvider provider) { return Convert.ToDecimal(m_value); } @@ -445,7 +444,7 @@ namespace System throw new InvalidCastException(SR.Format(SR.InvalidCast_FromTo, "Double", "DateTime")); } - Object IConvertible.ToType(Type type, IFormatProvider provider) + object IConvertible.ToType(Type type, IFormatProvider provider) { return Convert.DefaultToType((IConvertible)this, type, provider); } |