Pete Blacker PeteBlackerThe3rd

💭

Cramming in a couple of extra hours each day

PeteBlackerThe3rd / quaternion_average.h

Last active March 25, 2024 13:57

Rotation quaternion average calculation function using Eigen

	#include <Eigen/SVD>

	/// Method to find the average of a set of rotation quaternions using Singular Value Decomposition
	/*
	* The algorithm used is described here:
	* https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20070017872.pdf
	*/
	Eigen::Vector4f quaternionAverage(std::vector<Eigen::Vector4f> quaternions)
	{
	if (quaternions.size() == 0)

PeteBlackerThe3rd / getline_async.h

Last active May 6, 2023 23:53

drop in non-blocking replacement for std::getline

	#include <iostream>

	bool getline_async(std::istream& is, std::string& str, char delim = '\n') {

	static std::string lineSoFar;
	char inChar;
	int charsRead = 0;
	bool lineRead = false;
	str = "";