| // Copyright (c) 2018 Google LLC |
| // |
| // 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. |
| |
| #include "bit_vector.h" |
| |
| #include <iostream> |
| |
| namespace spvtools { |
| namespace utils { |
| |
| void BitVector::ReportDensity(std::ostream& out) { |
| uint32_t count = 0; |
| |
| for (BitContainer e : bits_) { |
| while (e != 0) { |
| if ((e & 1) != 0) { |
| ++count; |
| } |
| e = e >> 1; |
| } |
| } |
| |
| out << "count=" << count |
| << ", total size (bytes)=" << bits_.size() * sizeof(BitContainer) |
| << ", bytes per element=" |
| << (double)(bits_.size() * sizeof(BitContainer)) / (double)(count); |
| } |
| } // namespace utils |
| } // namespace spvtools |
