Esempio n. 1
0
        /// <summary>
        /// Try parsing a correctly-formatted float floating-point literal into the nearest representable float
        /// using IEEE round-to-nearest-ties-to-even rounding mode. Behavior is not defined for inputs that are
        /// not valid C# floating-point literals.
        /// </summary>
        /// <param name="s">The float floating-point constant's string</param>
        /// <param name="f">The nearest float value, if conversion succeeds</param>
        /// <returns>True if the input was converted; false if there was an overflow</returns>
        public static bool TryParseFloat(string s, out float f)
        {
            var   str = DecimalFloatingPointString.FromSource(s);
            var   dbl = FloatFloatingPointType.Instance;
            ulong result;
            var   status = RealParser.ConvertDecimalToFloatingPointBits(str, dbl, out result);

            f = Int32BitsToFloat((uint)result);
            return(status != Status.Overflow);
        }
Esempio n. 2
0
        /// <summary>
        /// Try parsing a correctly-formatted double floating-point literal into the nearest representable double
        /// using IEEE round-to-nearest-ties-to-even rounding mode. Behavior is not defined for inputs that are
        /// not valid C# floating-point literals.
        /// </summary>
        /// <param name="s">The decimal floating-point constant's string</param>
        /// <param name="d">The nearest double value, if conversion succeeds</param>
        /// <returns>True if the input was converted; false if there was an overflow</returns>
        public static bool TryParseDouble(string s, out double d)
        {
            var   str = DecimalFloatingPointString.FromSource(s);
            var   dbl = DoubleFloatingPointType.Instance;
            ulong result;
            var   status = RealParser.ConvertDecimalToFloatingPointBits(str, dbl, out result);

            d = BitConverter.Int64BitsToDouble((long)result);
            return(status != Status.Overflow);
        }