#include <migraphx/gpu/device/sigmoid.hpp>
#include <migraphx/gpu/device/nary.hpp>
#include <migraphx/gpu/device/types.hpp>

namespace migraphx {
inline namespace MIGRAPHX_INLINE_NS {
namespace gpu {
namespace device {

void sigmoid(hipStream_t stream, const argument& result, const argument& arg)
{
    nary(stream, result, arg)([](auto x)
                                  __device__ { return 1.f / (1.f + ::exp(to_hip_type(-x))); });
}

} // namespace device
} // namespace gpu
} // namespace MIGRAPHX_INLINE_NS
} // namespace migraphx
