mirror of https://github.com/pvnis/srsRAN_4G.git
substitution of ul_alloc_t for prb_interval
Francisco Paisana
4 years ago
parent
3eb1b83a43
commit
20b69fb22e
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/*
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* Copyright 2013-2020 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef SRSLTE_INTERVAL_H
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#define SRSLTE_INTERVAL_H
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#include <string>
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namespace srslte {
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template <typename T>
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class interval
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{
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public:
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T start;
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T stop;
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interval() : start(T{}), stop(T{}) {}
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interval(const T& start_, const T& stop_) : start(start_), stop(stop_) {}
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bool is_empty() const { return stop <= start; }
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T length() const { return stop - start; }
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void set_length(const T& len) { stop = start + len; }
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void add_offset(int offset)
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{
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start += offset;
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stop += offset;
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}
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void shift_to(int new_start)
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{
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stop = new_start + length();
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start = new_start;
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}
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bool overlaps(const interval& other) const { return start < other.stop and other.start < stop; }
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bool contains(const T& point) const { return start <= point and point < stop; }
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std::string to_string() const
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{
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std::string s = "[" + std::to_string(start) + ", " + std::to_string(stop) + ")";
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return s;
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}
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};
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template <typename T>
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bool operator==(const interval<T>& lhs, const interval<T>& rhs)
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{
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return lhs.start == rhs.start and lhs.stop == rhs.stop;
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}
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template <typename T>
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bool operator!=(const interval<T>& lhs, const interval<T>& rhs)
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{
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return not(lhs == rhs);
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}
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template <typename T>
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bool operator<(const interval<T>& lhs, const interval<T>& rhs)
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{
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return lhs.start < rhs.start or (lhs.start == rhs.start and lhs.stop < rhs.stop);
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}
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//! Union of intervals
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template <typename T>
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interval<T> operator|(const interval<T>& lhs, const interval<T>& rhs)
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{
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if (not lhs.overlaps(rhs)) {
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return interval<T>{};
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}
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return {std::min(lhs.start, rhs.start), std::max(lhs.stop, rhs.stop)};
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}
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template <typename T>
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interval<T> make_union(const interval<T>& lhs, const interval<T>& rhs)
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{
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return lhs | rhs;
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}
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//! Intersection of intervals
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template <typename T>
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interval<T> operator&(const interval<T>& lhs, const interval<T>& rhs)
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{
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if (not lhs.overlaps(rhs)) {
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return interval<T>{};
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}
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return interval<T>{std::max(lhs.start, rhs.start), std::min(lhs.stop, rhs.stop)};
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}
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template <typename T>
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interval<T> make_intersection(const interval<T>& lhs, const interval<T>& rhs)
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{
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return lhs & rhs;
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}
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template <typename T>
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std::ostream& operator<<(std::ostream& out, const interval<T>& interv)
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{
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out << interv.to_string();
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return out;
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}
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} // namespace srslte
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#endif // SRSLTE_INTERVAL_H
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@ -0,0 +1,72 @@
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/*
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* Copyright 2013-2020 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#include "srslte/adt/interval.h"
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#include "srslte/common/test_common.h"
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int test_interval_overlaps()
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{
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srslte::interval<int> I{10, 15}, I2{9, 11}, I3{11, 14}, I4{9, 16}, I5{14, 16}, I6{4, 10}, I7{15, 17};
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TESTASSERT(I.overlaps(I2));
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TESTASSERT(I.overlaps(I3));
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TESTASSERT(I.overlaps(I4));
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TESTASSERT(I.overlaps(I5));
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TESTASSERT(not I.overlaps(I6));
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TESTASSERT(not I.overlaps(I7));
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return SRSLTE_SUCCESS;
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}
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int test_interval_contains()
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{
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srslte::interval<int> I{5, 10};
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TESTASSERT(I.contains(5));
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TESTASSERT(I.contains(6));
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TESTASSERT(I.contains(9));
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TESTASSERT(not I.contains(10));
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TESTASSERT(not I.contains(11));
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TESTASSERT(not I.contains(4));
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return SRSLTE_SUCCESS;
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}
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int test_interval_intersect()
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{
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srslte::interval<int> I{5, 10}, I2{3, 6}, I3{9, 12}, I4{10, 13};
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TESTASSERT(srslte::make_intersection(I, I2) == (I & I2));
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TESTASSERT((I & I2) == srslte::interval<int>(5, 6));
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TESTASSERT((I & I3) == srslte::interval<int>(9, 10));
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TESTASSERT(not(I & I3).is_empty());
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TESTASSERT((I & I4).is_empty());
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return SRSLTE_SUCCESS;
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}
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int main()
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{
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TESTASSERT(test_interval_overlaps() == SRSLTE_SUCCESS);
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TESTASSERT(test_interval_contains() == SRSLTE_SUCCESS);
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TESTASSERT(test_interval_intersect() == SRSLTE_SUCCESS);
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return 0;
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}
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