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#pragma clang system_header
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 <cstdint>
#include <vector>
#include "contrib/libs/apache/arrow_next/cpp/src/arrow/status.h"
#include "contrib/libs/apache/arrow_next/cpp/src/arrow/util/print.h"
namespace arrow20::internal {
ARROW_EXPORT
Status IsPermutationValid(const std::vector<int64_t>& permutation) {
const auto size = static_cast<int64_t>(permutation.size());
std::vector<uint8_t> dim_seen(size, 0);
for (const auto p : permutation) {
if (p < 0 || p >= size || dim_seen[p] != 0) {
return Status::Invalid(
"Permutation indices for ", size,
" dimensional tensors must be unique and within [0, ", size - 1,
"] range. Got: ", ::arrow20::internal::PrintVector{permutation, ","});
}
dim_seen[p] = 1;
}
return Status::OK();
}
} // namespace arrow20::internal
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