TryParseAsSpecialFloatingPoint< T >()

static bool System.Buffers.Text.Utf8Parser.TryParseAsSpecialFloatingPoint< T > ( ReadOnlySpan< byte > source, T positiveInfinity, T negativeInfinity, T nan, out T value, out int bytesConsumed )

inlinestaticprivate

Type Constraints

T

:

struct

Definition at line 1060 of file Utf8Parser.cs.

                                                                                                                                                                                : struct
    {
        int num = 0;
        int num2 = source.Length;
        bool flag = false;
        if (num2 >= 4)
        {
            byte b = source[num];
            if (b != 43)
            {
                if (b != 45)
                {
                    goto IL_002e;
                }
                flag = true;
            }
            num++;
            num2--;
        }
        goto IL_002e;
        IL_002e:
        if (num2 >= 3)
        {
            if (((source[num] ^ 0x6E) & -33) == 0 && ((source[num + 1] ^ 0x61) & -33) == 0 && ((source[num + 2] ^ 0x6E) & -33) == 0)
            {
                value = nan;
                bytesConsumed = 3 + num;
                return true;
            }
            if (num2 >= 8)
            {
                int num3 = BinaryPrimitives.ReadInt32LittleEndian(source.Slice(num)) ^ 0x69666E69;
                if ((num3 & -538976289) == 0)
                {
                    num3 = BinaryPrimitives.ReadInt32LittleEndian(source.Slice(num + 4)) ^ 0x7974696E;
                    if ((num3 & -538976289) == 0)
                    {
                        value = (flag ? negativeInfinity : positiveInfinity);
                        bytesConsumed = 8 + num;
                        return true;
                    }
                }
            }
        }
        value = default(T);
        bytesConsumed = 0;
        return false;
    }

References System.Buffers.Binary.BinaryPrimitives.ReadInt32LittleEndian(), System.source, and System.value.