dstdlib-vector.slang
//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
}
}