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// SimdRuntime.cs
//
// Author:
// Rodrigo Kumpera (rkumpera@novell.com)
//
// (C) 2008 Novell, Inc. (http://www.novell.com)
//
// 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.Reflection;
using System.Text;
namespace Mono.Simd
{
public static class SimdRuntime
{
//
// Mono replaces the method below at JIT time on platforms that support
// SIMD with the actual acceleration mode
//
public static AccelMode AccelMode
{
get
{
return AccelMode.None;
}
}
public static AccelMode MethodAccelerationMode (MethodInfo method)
{
if (method == null)
throw new ArgumentNullException ("method");
object[] attr = method.GetCustomAttributes (typeof (AccelerationAttribute), false);
if (attr.Length == 0)
return AccelMode.None;
return ((AccelerationAttribute) attr [0]).Mode;
}
public static AccelMode MethodAccelerationMode (Type type, String method)
{
return MethodAccelerationMode (type, method, null);
}
public static AccelMode MethodAccelerationMode (Type type, String method, params Type[] signature)
{
MethodInfo mi = signature == null ? type.GetMethod (method) : type.GetMethod (method, signature);
if (mi == null) {
if (signature == null) {
throw new ArgumentException ("method", String.Format ("Type {0} doesn't have a method '{1}'", type, method));
} else {
StringBuilder sb = new StringBuilder ();
for (int i = 0; i < signature.Length; ++i) {
if (i > 0)
sb.Append (", ");
sb.Append (signature[i]);
}
throw new ArgumentException ("method", String.Format ("Type {0} doesn't have a method '{1}' with signature {2}", type, method, sb));
}
}
return MethodAccelerationMode (mi);
}
public static bool IsMethodAccelerated (Type type, String method)
{
return (MethodAccelerationMode (type, method, null) & AccelMode) != 0;
}
public static bool IsMethodAccelerated (Type type, String method, params Type[] signature)
{
return (MethodAccelerationMode (type, method, signature) & AccelMode) != 0;
}
}
}
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