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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;
struct NonDiff
{
float a;
}
[BackwardDifferentiable]
bool myFunc(NonDiff fIn, inout float x)
{
x = pow(x, fIn.a);
return x > 100.f;
}
[numthreads(1, 1, 1)]
void computeMain(uint3 dispatchThreadID: SV_DispatchThreadID)
{
float a = 3.0;
NonDiff fIn = { a };
DifferentialPair<float> dpx = DifferentialPair<float>(4.f, 1.f);
__bwd_diff(myFunc)(fIn, dpx);
outputBuffer[0] = dpx.d;
}
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