| // Copyright 2016 The Fuchsia Authors |
| // |
| // 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 "algorithms/forculus/forculus_utils.h" |
| |
| namespace cobalt { |
| namespace forculus { |
| |
| // Compute the Forculus epoch index for the given |day_index| based on |
| // the given |epoch_type|. |
| uint32_t EpochIndexFromDayIndex(uint32_t day_index, |
| const EpochType& epoch_type) { |
| switch (epoch_type) { |
| case DAY: |
| return day_index; |
| case WEEK: |
| return util::DayIndexToWeekIndex(day_index); |
| case MONTH: |
| return util::DayIndexToMonthIndex(day_index); |
| default: |
| return kInvalidIndex; |
| } |
| } |
| |
| } // namespace forculus |
| } // namespace cobalt |