From f7f0dcadd3b2aca4c0bcd03a96e11c617cf69fc2 Mon Sep 17 00:00:00 2001 From: Sai Praveen Bangaru <31557731+saipraveenb25@users.noreply.github.com> Date: Wed, 26 Oct 2022 22:21:29 -0400 Subject: Adding a differentiable standard library (#2465) --- tests/autodiff/dstdlib.slang | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 tests/autodiff/dstdlib.slang (limited to 'tests/autodiff/dstdlib.slang') diff --git a/tests/autodiff/dstdlib.slang b/tests/autodiff/dstdlib.slang new file mode 100644 index 000000000..6c7ecffbe --- /dev/null +++ b/tests/autodiff/dstdlib.slang @@ -0,0 +1,37 @@ +//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj -output-using-type +//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -output-using-type + +//TEST_INPUT:ubuffer(data=[0 0 0 0 0 0], stride=4):out,name=outputBuffer +RWStructuredBuffer outputBuffer; + +typedef __DifferentialPair dpfloat; + +__differentiate_jvp float f(float x) +{ + return dstd.exp(x); +} + +__differentiate_jvp float g(float x) +{ + return dstd.sin(x); +} + +__differentiate_jvp float h(float x) +{ + return dstd.cos(x); +} + +[numthreads(1, 1, 1)] +void computeMain(uint3 dispatchThreadID: SV_DispatchThreadID) +{ + { + dpfloat dpa = dpfloat(2.0, 1.0); + + outputBuffer[0] = f(dpa.p()); // Expect: 7.389056 + outputBuffer[1] = __jvp(f)(dpa).d(); // Expect: 7.389056 + outputBuffer[2] = g(dpa.p()); // Expect: 0.909297 + outputBuffer[3] = __jvp(g)(dpa).d(); // Expect: -0.416146 + outputBuffer[4] = h(dpa.p()); // Expect: -0.416146 + outputBuffer[5] = __jvp(h)(dpa).d(); // Expect: -0.909297 + } +} \ No newline at end of file -- cgit v1.2.3