parser.cpp

#include "parser.hpp"

std::vector<PointData> parseFile(const std::string& filename) {
    std::ifstream in(filename);
    if (in) {
        std::vector<PointData> vertices;
        std::string line;
        PointData vertex;
        while (in.good()) {
            in >> vertex.potential;
            in >> vertex.position[0];
            in >> vertex.position[1];

            vertices.push_back(vertex);
        }
        return vertices;
    }
    throw errno;
}

float getBound(const std::vector<PointData> &vertices) {
    /* Find the maximum absolute Potential */
    float min = 0, max = 0;

    for (const auto& vertex : vertices) {
        min = std::min(min, vertex.potential);
        max = std::max(max, vertex.potential);
    }
    return std::max(std::abs(min), std::abs(max));
}