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//TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=CHECK):-slang -compute -shaderobj -output-using-type
//TEST(compute, vulkan):COMPARE_COMPUTE_EX(filecheck-buffer=CHECK):-vk -compute -shaderobj -output-using-type
//TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=CHECK):-cuda -compute -shaderobj -output-using-type
//TEST_INPUT:ubuffer(data=[0], stride=4):out,name=outputBuffer
RWStructuredBuffer<float> outputBuffer;
interface IFoo : IDifferentiable
{
[Differentiable]
__init<T:IFoo>(T d);
[Differentiable]
static This create(Differential d);
[Differentiable]
float getVal();
}
struct Impl : IFoo
{
float x;
[Differentiable]
__init<T : IFoo>(T d)
{
this = (Impl)d;
}
[Differentiable]
static This create(Differential d)
{
This v;
v.x = d.x * d.x;
return v;
}
[Differentiable]
float getVal() { return x; }
}
[Differentiable]
float test<T:IFoo>(T.Differential d)
{
return T.create(d).getVal();
}
[numthreads(1,1,1)]
void computeMain(uint threadId: SV_DispatchThreadID)
{
Impl.Differential d;
d.x = 3.0;
Impl.Differential dd;
dd.x = 1.0;
outputBuffer[0] = fwd_diff(test<Impl>)(diffPair(d, dd)).d;
// CHECK: 6.0
}
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