//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="BasicOps"
// Project: StgSharp
// AuthorGroup: Nitload
// Copyright (c) Nitload. All rights reserved.
//     
// 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.Globalization;
using System.Runtime.CompilerServices;

namespace StgSharp.Mathematics
{
    public static unsafe partial class Scalar
    {

        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static unsafe float Abs(float x)
        {
            uint* a = (uint*)&x;
            *a &= 0b_0111_1111_1111_1111_1111_1111_1111_1111;
            return *(float*)a;
        }

        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static unsafe int Abs(int x)
        {
            uint* a = (uint*)&x;
            *a &= 0b_0111_1111_1111_1111_1111_1111_1111_1111;
            return *(int*)a;
        }

        internal static string GetListSeparator(IFormatProvider formatProvider)
        {
            if (formatProvider is CultureInfo cultureInfo) {
                return cultureInfo.TextInfo.ListSeparator;
            }

            if (formatProvider?.GetFormat(typeof(TextInfo)) is TextInfo textInfo) {
                return textInfo.ListSeparator;
            }

            return CultureInfo.CurrentCulture.TextInfo.ListSeparator;
        }

    }
}