diff options
Diffstat (limited to 'tests/autodiff/reverse-continue-loop.slang')
| -rw-r--r-- | tests/autodiff/reverse-continue-loop.slang | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tests/autodiff/reverse-continue-loop.slang b/tests/autodiff/reverse-continue-loop.slang new file mode 100644 index 000000000..0f9502673 --- /dev/null +++ b/tests/autodiff/reverse-continue-loop.slang @@ -0,0 +1,43 @@ +//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:-cpu -compute -output-using-type -shaderobj + +//TEST_INPUT:ubuffer(data=[0 0 0 0 0], stride=4):out,name=outputBuffer +RWStructuredBuffer<float> outputBuffer; + +typedef DifferentialPair<float> dpfloat; +typedef float.Differential dfloat; + +[BackwardDifferentiable] +float test_loop_with_continue(float y) +{ + float t = y; + + for (int i = 0; i < 3; i++) + { + if (t > 4.0) + continue; + + t = t * t; + } + + return t; +} + +[numthreads(1, 1, 1)] +void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID) +{ + { + dpfloat dpa = dpfloat(2.0, 0.0); + + __bwd_diff(test_loop_with_continue)(dpa, 1.0f); + outputBuffer[0] = dpa.d; // Expect: 32.0 + } + + { + dpfloat dpa = dpfloat(0.4, 0.0); + + __bwd_diff(test_loop_with_continue)(dpa, 1.0f); + outputBuffer[1] = dpa.d; // Expect: 0.0131072 + } +} |
