Merge branch 'BigIntegerParse'
[mono.git] / mcs / mcs / constant.cs
index 799d81bfac6adb3706ede095c5177c615d7714e4..d37e0f01bf37b55a738b4cc3c8b06dcb89bfc67d 100644 (file)
@@ -1646,20 +1646,32 @@ namespace Mono.CSharp {
        }
 
        public class FloatConstant : Constant {
-               public readonly float Value;
+               //
+               // Store constant value as double because float constant operations
+               // need to work on double value to match JIT
+               //
+               public readonly double DoubleValue;
 
-               public FloatConstant (BuiltinTypes types, float v, Location loc)
+               public FloatConstant (BuiltinTypes types, double v, Location loc)
                        : this (types.Float, v, loc)
                {
                }
 
-               public FloatConstant (TypeSpec type, float v, Location loc)
+               public FloatConstant (TypeSpec type, double v, Location loc)
                        : base (loc)
                {
                        this.type = type;
                        eclass = ExprClass.Value;
 
-                       Value = v;
+                       DoubleValue = v;
+               }
+
+               public override Constant ConvertImplicitly (TypeSpec type)
+               {
+                       if (type.BuiltinType == BuiltinTypeSpec.Type.Double)
+                               return new DoubleConstant (type, DoubleValue, loc);
+
+                       return base.ConvertImplicitly (type);
                }
 
                public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
@@ -1672,6 +1684,12 @@ namespace Mono.CSharp {
                        ec.Emit (OpCodes.Ldc_R4, Value);
                }
 
+               public float Value {
+                       get {
+                               return (float) DoubleValue;
+                       }
+               }
+
                public override object GetValue ()
                {
                        return Value;
@@ -1707,59 +1725,59 @@ namespace Mono.CSharp {
                                        if (Value < byte.MinValue || Value > byte.MaxValue || float.IsNaN (Value))
                                                throw new OverflowException ();
                                }
-                               return new ByteConstant (target_type, (byte) Value, Location);
+                               return new ByteConstant (target_type, (byte) DoubleValue, Location);
                        case BuiltinTypeSpec.Type.SByte:
                                if (in_checked_context) {
                                        if (Value < sbyte.MinValue || Value > sbyte.MaxValue || float.IsNaN (Value))
                                                throw new OverflowException ();
                                }
-                               return new SByteConstant (target_type, (sbyte) Value, Location);
+                               return new SByteConstant (target_type, (sbyte) DoubleValue, Location);
                        case BuiltinTypeSpec.Type.Short:
                                if (in_checked_context) {
                                        if (Value < short.MinValue || Value > short.MaxValue || float.IsNaN (Value))
                                                throw new OverflowException ();
                                }
-                               return new ShortConstant (target_type, (short) Value, Location);
+                               return new ShortConstant (target_type, (short) DoubleValue, Location);
                        case BuiltinTypeSpec.Type.UShort:
                                if (in_checked_context) {
                                        if (Value < ushort.MinValue || Value > ushort.MaxValue || float.IsNaN (Value))
                                                throw new OverflowException ();
                                }
-                               return new UShortConstant (target_type, (ushort) Value, Location);
+                               return new UShortConstant (target_type, (ushort) DoubleValue, Location);
                        case BuiltinTypeSpec.Type.Int:
                                if (in_checked_context) {
                                        if (Value < int.MinValue || Value > int.MaxValue || float.IsNaN (Value))
                                                throw new OverflowException ();
                                }
-                               return new IntConstant (target_type, (int) Value, Location);
+                               return new IntConstant (target_type, (int) DoubleValue, Location);
                        case BuiltinTypeSpec.Type.UInt:
                                if (in_checked_context) {
                                        if (Value < uint.MinValue || Value > uint.MaxValue || float.IsNaN (Value))
                                                throw new OverflowException ();
                                }
-                               return new UIntConstant (target_type, (uint) Value, Location);
+                               return new UIntConstant (target_type, (uint) DoubleValue, Location);
                        case BuiltinTypeSpec.Type.Long:
                                if (in_checked_context) {
                                        if (Value < long.MinValue || Value > long.MaxValue || float.IsNaN (Value))
                                                throw new OverflowException ();
                                }
-                               return new LongConstant (target_type, (long) Value, Location);
+                               return new LongConstant (target_type, (long) DoubleValue, Location);
                        case BuiltinTypeSpec.Type.ULong:
                                if (in_checked_context) {
                                        if (Value < ulong.MinValue || Value > ulong.MaxValue || float.IsNaN (Value))
                                                throw new OverflowException ();
                                }
-                               return new ULongConstant (target_type, (ulong) Value, Location);
+                               return new ULongConstant (target_type, (ulong) DoubleValue, Location);
                        case BuiltinTypeSpec.Type.Double:
-                               return new DoubleConstant (target_type, (double) Value, Location);
+                               return new DoubleConstant (target_type, DoubleValue, Location);
                        case BuiltinTypeSpec.Type.Char:
                                if (in_checked_context) {
                                        if (Value < (float) char.MinValue || Value > (float) char.MaxValue || float.IsNaN (Value))
                                                throw new OverflowException ();
                                }
-                               return new CharConstant (target_type, (char) Value, Location);
+                               return new CharConstant (target_type, (char) DoubleValue, Location);
                        case BuiltinTypeSpec.Type.Decimal:
-                               return new DecimalConstant (target_type, (decimal) Value, Location);
+                               return new DecimalConstant (target_type, (decimal) DoubleValue, Location);
                        }
 
                        return null;