1 /* 2 * Copyright 2022 Google LLC 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "fcp/aggregation/core/tensor_data.h" 18 19 #include "fcp/base/monitoring.h" 20 21 namespace fcp { 22 namespace aggregation { 23 CheckValid(size_t value_size) const24Status TensorData::CheckValid(size_t value_size) const { 25 FCP_CHECK(value_size > 0); 26 if (byte_size() == 0) { 27 return FCP_STATUS(FAILED_PRECONDITION) 28 << "TensorData: non-empty size required"; 29 } 30 31 if ((byte_size() % value_size) != 0) { 32 return FCP_STATUS(FAILED_PRECONDITION) 33 << "TensorData: byte_size() must be a multiple of value_size " 34 << value_size; 35 } 36 37 if ((reinterpret_cast<size_t>(data()) % value_size) != 0) { 38 return FCP_STATUS(FAILED_PRECONDITION) 39 << "TensorData: data() address is not aligned by value_size " 40 << value_size; 41 } 42 43 return FCP_STATUS(OK); 44 } 45 46 } // namespace aggregation 47 } // namespace fcp 48