shuffle.h

// Copyright 2022 Ant Group Co., Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

#include "absl/types/span.h"

#include "libspu/core/context.h"
#include "libspu/core/value.h"

namespace spu::kernel::hlo {

// secret shuffle which means the order is kept secret between parties.
std::vector<spu::Value> Shuffle(SPUContext* ctx,
                                absl::Span<const spu::Value> inputs,
                                int64_t axis = 0);

}  // namespace spu::kernel::hlo