From 1817e9530989072ac34ff16d11fcc570f7862998 Mon Sep 17 00:00:00 2001 From: Sai Praveen Bangaru <31557731+saipraveenb25@users.noreply.github.com> Date: Tue, 1 Nov 2022 12:55:36 -0400 Subject: Added a vector intrinsic definition for exp (to serve as template for other vector intrinsics) (#2481) * Added vector exp definition * Naming --- tests/autodiff/dstdlib-vector.slang | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 tests/autodiff/dstdlib-vector.slang (limited to 'tests/autodiff/dstdlib-vector.slang') diff --git a/tests/autodiff/dstdlib-vector.slang b/tests/autodiff/dstdlib-vector.slang new file mode 100644 index 000000000..44315daf6 --- /dev/null +++ b/tests/autodiff/dstdlib-vector.slang @@ -0,0 +1,26 @@ +//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; + +[ForwardDifferentiable] +float f(float x) +{ + float3 vx = float3(x, 2*x, 3*x); + float3 vexpx = dstd.exp(vx); + return vexpx.x + vexpx.y + vexpx.z; +} + +[numthreads(1, 1, 1)] +void computeMain(uint3 dispatchThreadID: SV_DispatchThreadID) +{ + { + dpfloat dpa = dpfloat(2.0, 1.0); + + outputBuffer[0] = f(dpa.p()); // Expect: 465.415999 + outputBuffer[1] = __fwd_diff(f)(dpa).d(); // Expect: 1326.871736 + } +} \ No newline at end of file -- cgit v1.2.3