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//TEST:SIMPLE(filecheck=CHECK): -target hlsl -line-directive-mode none -stage compute -entry computeMain
//TEST:SIMPLE(filecheck=CHECK): -target cuda -line-directive-mode none
//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
RWStructuredBuffer<float> outputBuffer;
[BackwardDifferentiable]
[PreferRecompute]
float comp(float a, float b)
{
// CHECK: standard error = {
// CHECK-NEXT: }
return a * b;
}
[shader("compute")]
[numthreads(128, 1, 1)]
void computeMain(uint3 group_thread_id: SV_GroupThreadID, uint3 dispatch_thread_id: SV_DispatchThreadID)
{
DifferentialPair<float> value1 = diffPair(3.f, 0.f);
DifferentialPair<float> value2 = diffPair(3.f, 0.f);
bwd_diff(comp)(value1, value2, 1.f);
outputBuffer[dispatch_thread_id.x] = value1.d;
}
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