Function orient2d

source/math.cpp:89–96

    }

    double orient2d(const vec2& pa, const vec2& pb, const vec2& pc)
    {
        const double pa_[2] = { static_cast<double>(pa.x()), static_cast<double>(pa.y()) };
        const double pb_[2] = { static_cast<double>(pb.x()), static_cast<double>(pb.y()) };
        const double pc_[2] = { static_cast<double>(pc.x()), static_cast<double>(pc.y()) };

        return ::orient2d(pa_, pb_, pc_); // shewchuk predicate
    }

    double orient3d(const vec3& pa, const vec3& pb, const vec3& pc,
        const vec3& pd)