keep vector imported

src/bSpline.cpp

@@ -8,6 +8,8 @@
 
 using namespace cpp11::literals;
 
+#include <vector>
+
 cpp11::writable::doubles createKnots(int nControl, int degree) {
   int nKnots = nControl + degree + 1;
 

src/bezier.cpp

@@ -5,6 +5,8 @@
 
 using namespace cpp11::literals;
 
+#include <vector>
+
 double Bezier2(double t, const cpp11::doubles& w) {
   double t2 = t * t;
   double mt = 1-t;

src/concaveman.cpp

@@ -4,6 +4,8 @@
 
 #include "concaveman.h"
 
+#include <vector>
+
 [[cpp11::register]]
 cpp11::writable::doubles_matrix<> concaveman_c(cpp11::doubles_matrix<> p, cpp11::integers h,
                                                double concavity, double threshold) {

src/ellipseEnclose.cpp

@@ -7,6 +7,8 @@
 
 using namespace cpp11::literals;
 
+#include <vector>
+
 struct Ellipse {
   double x;
   double y;

src/enclose.cpp

@@ -4,6 +4,8 @@
 
 using namespace cpp11::literals;
 
+#include <vector>
+
 struct Circle {
   double x;
   double y;