public static void BoundTransform(AffeCompilerState state,
Expression[] exprs)
{
Assert.AreEqual(2, exprs.Length, "Argument count to BoundTransform");
state.CastTo(exprs[0], typeof(double)).Emit(state);
state.CastTo(exprs[1], typeof(double)).Emit(state);
state.ILGenerator.Emit(OpCodes.Call, typeof(Math).GetMethod("Pow"));
state.ILGenerator.Emit(OpCodes.Conv_R4);
}
public static void abs(AffeCompilerState comp, Expression[] exp)
{
if (exp.Length != 1)
throw new ArgumentException("Wrong number of arguments to method.");
ILGenerator il = comp.ILGenerator;
Label l = il.DefineLabel();
exp[0].Emit(comp);
il.Emit(OpCodes.Dup);
il.Emit(OpCodes.Ldc_R4, 0f);
il.Emit(OpCodes.Bge_Un, l);
il.Emit(OpCodes.Neg);
il.MarkLabel(l);
}