28 lines
723 B
C++
28 lines
723 B
C++
#include "math_utils.h"
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#include "common/log/log.h"
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namespace common {
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double NormalizeAngle(double ang) {
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const double& two_pi = 2 * M_PI;
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return ang - two_pi * std::floor((ang + M_PI) / two_pi);
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}
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double Degree2Rad(double degree) { return degree * M_PI / 180.0; }
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double Rad2Degree(double rad) { return rad * 180.0 / M_PI; }
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const std::vector<int> Range(int begin, int end, int step) {
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ACHECK(step != 0) << "Step must non-zero";
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int num = (end - begin) / step;
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if (num <= 0) return {};
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end = begin + step * num;
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std::vector<int> seq(num);
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for (int i = begin; i != end; i += step) seq[i] = i;
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return seq;
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}
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const std::vector<int> Range(int end) { return Range(0, end, 1); }
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} // namespace common
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