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//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -output-using-type
//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj -output-using-type
//TEST(compute):COMPARE_COMPUTE_EX:-cuda -compute -shaderobj -output-using-type
//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
RWStructuredBuffer<float> outputBuffer;
typedef DifferentialPair<float> dpfloat;
interface IFoo : IDifferentiable
{
[ForwardDifferentiable]
float getVal();
}
struct A : IFoo
{
float x;
[ForwardDifferentiable]
float getVal(){return x;}
}
[ForwardDifferentiable]
float f(float x, no_diff IFoo y)
{
return x * x + y.getVal();
}
[numthreads(1, 1, 1)]
void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
{
{
A a;
a.x = 2.0;
let rs = __fwd_diff(f)(dpfloat(1.5, 1.0), a);
outputBuffer[0] = rs.p; // Expect: 6.25
outputBuffer[1] = rs.d; // Expect: 3.0
}
}
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