diff options
Diffstat (limited to 'tests/autodiff')
| -rw-r--r-- | tests/autodiff/no-diff-array-access.slang | 23 | ||||
| -rw-r--r-- | tests/autodiff/no-diff-array-access.slang.expected.txt | 6 |
2 files changed, 29 insertions, 0 deletions
diff --git a/tests/autodiff/no-diff-array-access.slang b/tests/autodiff/no-diff-array-access.slang new file mode 100644 index 000000000..df8c8faa0 --- /dev/null +++ b/tests/autodiff/no-diff-array-access.slang @@ -0,0 +1,23 @@ +//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 0], stride=4):out,name=outputBuffer +RWStructuredBuffer<float> outputBuffer; + +typedef DifferentialPair<float> dpfloat; +typedef DifferentialPair<float3> dpfloat3; + +[ForwardDifferentiable] +float f(float x, float[3] y) +{ + return x * no_diff(outputBuffer[4]) + y[2] * x * no_diff(y[1]); +} + + +[numthreads(1, 1, 1)] +void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID) +{ + var dpx = fwd_diff(f)(DifferentialPair<float>(1.0f, 1.0f), DifferentialPair<float[3]>( { 1.0f, 2.0f, 3.0f }, { 1.0f, 2.0f, 3.0f })); + outputBuffer[0] = dpx.p; // Expect: 6.0 + outputBuffer[1] = dpx.d; // Expect: 12.0 +} diff --git a/tests/autodiff/no-diff-array-access.slang.expected.txt b/tests/autodiff/no-diff-array-access.slang.expected.txt new file mode 100644 index 000000000..504eaec3e --- /dev/null +++ b/tests/autodiff/no-diff-array-access.slang.expected.txt @@ -0,0 +1,6 @@ +type: float +6.000000 +12.000000 +0.000000 +0.000000 +0.000000 |