summaryrefslogtreecommitdiffstats
path: root/tests/autodiff-dstdlib/dstdlib-vector.slang
diff options
context:
space:
mode:
Diffstat (limited to 'tests/autodiff-dstdlib/dstdlib-vector.slang')
-rw-r--r--tests/autodiff-dstdlib/dstdlib-vector.slang26
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/autodiff-dstdlib/dstdlib-vector.slang b/tests/autodiff-dstdlib/dstdlib-vector.slang
new file mode 100644
index 000000000..ba66f0756
--- /dev/null
+++ b/tests/autodiff-dstdlib/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<float> outputBuffer;
+
+typedef DifferentialPair<float> dpfloat;
+
+[ForwardDifferentiable]
+float f(float x)
+{
+ float3 vx = float3(x, 2*x, 3*x);
+ float3 vexpx = 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