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#include "Halide.h"
#include <stdio.h>
using namespace Halide;
int main(int argc, char **argv) {
Var x("x");
{
Func f("f");
Param<int> u;
Param<int> u_name("u_name");
f(x) = u;
Target target = get_jit_target_from_environment();
if (target.has_gpu_feature()) {
Var xo, xi;
f.gpu_tile(x, xo, xi, 256);
} else if (target.has_feature(Target::HVX)) {
f.hexagon().vectorize(x, 32);
}
u.set(17);
u.set_estimate(17);
Buffer<int> out_17 = f.realize({1024}, target);
// verify the get method.
assert(u.get() == 17);
// Copied Params should still refer to the same underlying Parameter,
// so setting the copy should be equivalent to setting the original.
Param<int> u_alias = u;
u_alias.set(123);
u_alias.set_estimate(123);
Buffer<int> out_123 = f.realize({1024}, target);
// verify the get method, again.
assert(u.get() == 123);
for (int i = 0; i < 1024; i++) {
if (out_17(i) != 17 || out_123(i) != 123) {
printf("Failed!\n");
for (int i = 0; i < 1024; i++) {
printf("%d %d\n", out_17(i), out_123(i));
}
return 1;
}
}
}
// Now the same tests, but with Param types specified at runtime
{
Func f("f");
Param<> u(Int(32));
Param<> u_name(Int(32), "u_name");
f(x) = u;
Target target = get_jit_target_from_environment();
if (target.has_gpu_feature()) {
Var xo, xi;
f.gpu_tile(x, xo, xi, 256);
} else if (target.has_feature(Target::HVX)) {
f.hexagon().vectorize(x, 32);
}
// For Param<void>, you must provide an explicit template argument to set(),
// and it must match the dynamic type of the Param.
u.set<int32_t>(17);
u.set_estimate<int32_t>(17);
Buffer<int32_t> out_17 = f.realize({1024}, target);
// For Param<void>, you must provide an explicit template argument to get(),
// and it must match the dynamic type of the Param.
assert(u.get<int32_t>() == 17);
// This would fail with a user_assert inside the get() method
// assert(u.get<int16_t>() == 17);
// Copied Params should still refer to the same underlying Parameter,
// so setting the copy should be equivalent to setting the original.
Param<> u_alias = u;
u_alias.set(123);
u_alias.set_estimate(123);
Buffer<int32_t> out_123 = f.realize({1024}, target);
assert(u.get<int32_t>() == 123);
for (int i = 0; i < 1024; i++) {
if (out_17(i) != 17 || out_123(i) != 123) {
printf("Failed!\n");
for (int i = 0; i < 1024; i++) {
printf("%d %d\n", out_17(i), out_123(i));
}
return 1;
}
}
}
// Test copy ctor between void and non-void Params
{
Param<int32_t> u;
Func f("f");
f(x) = u;
u.set(17);
u.set_estimate(17);
Buffer<int32_t> out_17 = f.realize({1});
assert(out_17(0) == 17);
// You can always construct a Param<void> from a Param<nonvoid>
Param<> u_alias = u;
u_alias.set(123);
u_alias.set_estimate(123);
Buffer<int32_t> out_123 = f.realize({1});
assert(out_123(0) == 123);
// You can also construct Param<nonvoid> from Param<void>,
// but only if the runtime type of the RHS matches the static type
// of the LHS (otherwise, assert-fails)
Param<int32_t> u_alias2 = u_alias;
u_alias2.set(124);
u_alias2.set_estimate(124);
Buffer<int32_t> out_124 = f.realize({1});
assert(out_124(0) == 124);
}
// Test operator= between void and non-void Params
{
Param<int32_t> u;
Func f("f");
f(x) = u;
u.set(17);
u.set_estimate(17);
Buffer<int32_t> out_17 = f.realize({1});
assert(out_17(0) == 17);
// You can always do Param<void> = Param<nonvoid> (LHS takes on type of RHS)
Param<> u_alias(Float(64));
u_alias = u;
assert(u_alias.type() == Int(32));
u_alias.set(123);
u_alias.set_estimate(123);
Buffer<int32_t> out_123 = f.realize({1});
assert(out_123(0) == 123);
// You can also do Param<nonvoid> = Param<void>,
// but only if the runtime type of the RHS matches the static type
// of the LHS (otherwise, assert-fails)
Param<int32_t> u_alias2;
u_alias2 = u_alias;
u_alias2.set(124);
u_alias2.set_estimate(124);
Buffer<int32_t> out_124 = f.realize({1});
assert(out_124(0) == 124);
}
printf("Success!\n");
return 0;
}
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