private static string GetFullCode()
{
var identity = "return a;";
var result = new PermutationGenerator();
result.AddReduce("sum", identity, "return a + b;");
result.AddReduce("prod", identity, "return a * b;");
result.AddReduce("min", identity, "return min(a, b);");
result.AddReduce("max", identity, "return max(a, b);");
result.AddReduce("e0_norm", "return a != 0 ? 1 : 0;", "return a + b;");
result.AddReduce("e1_norm", "return fabsf(a);", "return a + b;");
result.AddReduce("e2_norm", "return a * a;", "return a + b;");
result.AddReduceNorm("en_norm");
return(result.ToString());
}