#include "Halide.h" #include <stdio.h> using namespace Halide; int main(int argc, char **argv) { Var x("x"), y("y"), z("z"); Func f("f"), g("g"), h("h"); g(x, y) = x + y; g.compute_root(); h(x, y, z) = x + y + z; h.compute_root(); // The initial definition uses 2 implicit vars: f(x, _0, _1) = g(_0, _1) + 2. // The update definition, however, calls h(_) which will be expanded into // h(_0, _1, _2), which is invalid. f(x, _) = g(_) + 2; f(x, _) += h(_) + 3; return 0; }