diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/autodiff/no-diff-member.slang | 28 | ||||
| -rw-r--r-- | tests/autodiff/no-diff-member.slang.expected.txt | 5 |
2 files changed, 33 insertions, 0 deletions
diff --git a/tests/autodiff/no-diff-member.slang b/tests/autodiff/no-diff-member.slang new file mode 100644 index 000000000..a91e84bf4 --- /dev/null +++ b/tests/autodiff/no-diff-member.slang @@ -0,0 +1,28 @@ +//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -output-using-type +//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -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; + +struct A : IDifferentiable +{ + float x; + no_diff float y; +} + +[BackwardDifferentiable] +float f(A obj) +{ + return obj.y * obj.x * obj.x + obj.y * obj.y; +} + +[numthreads(1, 1, 1)] +void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID) +{ + A a = {2.0, 3.0}; + var p = diffPair(a); + let rs = __bwd_diff(f)(p, 1.0); + outputBuffer[0] = p.d.x; +} diff --git a/tests/autodiff/no-diff-member.slang.expected.txt b/tests/autodiff/no-diff-member.slang.expected.txt new file mode 100644 index 000000000..31af8a224 --- /dev/null +++ b/tests/autodiff/no-diff-member.slang.expected.txt @@ -0,0 +1,5 @@ +type: float +12.000000 +0.000000 +0.000000 +0.000000
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