src/System.Private.CoreLib/shared/System/Numerics/Register.tt


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

using System.Runtime.InteropServices;

namespace System.Numerics
{
    /// <summary>
    /// A structure describing the layout of an SSE2-sized register.
    /// Contains overlapping fields representing the set of valid numeric types.
    /// Allows the generic Vector'T struct to contain an explicit field layout.
    /// </summary>
    [StructLayout(LayoutKind.Explicit)]
    internal struct Register
    {
        #region Internal Storage Fields
<#
    foreach (var type in supportedTypes)
    {
        Debug.Assert(
            totalSize % Marshal.SizeOf(type) == 0,
            "The size of supported structs must be a factor of the supported register size.");    
#>
        // Internal <#= type.FullName #> Fields
<#
        for (int g = 0; g < totalSize / Marshal.SizeOf(type); g++)
        {
#>
        [FieldOffset(<#=Marshal.SizeOf(type) * g#>)]
        internal <#= typeAliases[type] #> <#= type.Name.ToLowerInvariant() + "_" + g #>;
<#
        }
#>

<#
    }
#>        #endregion Internal Storage Fields
    }
}