tests/autodiff/cuda-kernel-export.slang


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//DISABLED_TEST:SIMPLE: -target cuda -line-directive-mode none

// Verify that we can output a cuda device function with [CudaDeviceExport].
// Disabled until we have FileCheck.

struct MixedType : IDifferentiable
{
    no_diff float noDiffField;
    float field;
}

[BackwardDifferentiable]
float f1(MixedType m)
{
    return 2.0 * m.field;
}

[BackwardDifferentiable]
float f(MixedType m)
{
    MixedType m1 = { m.noDiffField, m.field };
    return f1(m1);
}

[CudaDeviceExport]
void diffF(inout DifferentialPair<MixedType> m, float dout)
{
    __bwd_diff(f)(m, dout);
}