mono/netcore/System.Private.CoreLib/shared/System/Numerics/ConstantHelper.tt

<#@ template debug="true" hostSpecific="true" #>
<#@ output extension=".cs" #>
<#@ Assembly Name="System.Core.dll" #>
<#@ Assembly Name="System.Xml.dll" #>
<#@ Assembly Name="System.Xml.Linq.dll" #>
<#@ Assembly Name="System.Windows.Forms.dll" #>
<#@ import namespace="System" #>
<#@ import namespace="System.IO" #>
<#@ import namespace="System.Diagnostics" #>
<#@ import namespace="System.Linq" #>
<#@ import namespace="System.Xml.Linq" #>
<#@ import namespace="System.Collections" #>
<#@ import namespace="System.Collections.Generic" #>
<#@ import namespace="System.Runtime.InteropServices" #>
<#@ include file="GenerationConfig.ttinclude" #><# GenerateCopyrightHeader(); #>

#nullable enable
using System.Runtime.CompilerServices;

namespace System.Numerics
{
    internal class ConstantHelper
    {
<#
    foreach (var type in supportedTypes)
    {
        string hexValue = "0x" + new string('f', Marshal.SizeOf(type) * 2);
#>
        [MethodImplAttribute(MethodImplOptions.AggressiveInlining)]
        public static <#= typeAliases[type] #> Get<#= type.Name #>WithAllBitsSet()
        {
            <#= typeAliases[type] #> value = 0;
            unsafe
            {
                unchecked
                {
                    *((<#= typeAliases[GetIntegralEquivalent(type)] #>*)&value) = (<#= typeAliases[GetIntegralEquivalent(type)] #>)<#= hexValue #>;
                }
            }
            return value;
        }
<#
    }
#>
    }
}<#+
    public Type GetIntegralEquivalent(Type type)
    {
        if (type == typeof(float))
        {
            return typeof(int);
        }
        else if (type == typeof(double))
        {
            return typeof(long);
        }
        else 
        {
            return type;
        }
    }
#>