95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
// Copyright (c) 2007, 2008 libmv authors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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#ifndef LIBMV_IMAGE_TUPLE_H
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#define LIBMV_IMAGE_TUPLE_H
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#include <algorithm>
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namespace libmv {
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// A vector of elements with fixed length and deep copy semantics.
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template <typename T, int N>
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class Tuple {
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public:
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enum { SIZE = N };
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Tuple() {}
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Tuple(T initial_value) { Reset(initial_value); }
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template <typename D>
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Tuple(D* values) {
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Reset(values);
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}
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template <typename D>
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Tuple(const Tuple<D, N>& b) {
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Reset(b);
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}
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template <typename D>
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Tuple& operator=(const Tuple<D, N>& b) {
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Reset(b);
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return *this;
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}
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template <typename D>
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void Reset(const Tuple<D, N>& b) {
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Reset(b.Data());
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}
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template <typename D>
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void Reset(D* values) {
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for (int i = 0; i < N; i++) {
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data_[i] = T(values[i]);
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}
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}
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// Set all tuple values to the same thing.
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void Reset(T value) {
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for (int i = 0; i < N; i++) {
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data_[i] = value;
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}
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}
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// Pointer to the first element.
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T* Data() { return &data_[0]; }
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const T* Data() const { return &data_[0]; }
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T& operator()(int i) { return data_[i]; }
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const T& operator()(int i) const { return data_[i]; }
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bool operator==(const Tuple<T, N>& other) const {
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for (int i = 0; i < N; ++i) {
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if ((*this)(i) != other(i)) {
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return false;
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}
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}
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return true;
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}
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bool operator!=(const Tuple<T, N>& other) const { return !(*this == other); }
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private:
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T data_[N];
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};
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} // namespace libmv
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#endif // LIBMV_IMAGE_TUPLE_H
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