flower-1.0.15

diff --git a/flower/vray.hh b/flower/vray.hh
index 302499b2561616b85ca7464be203f9f6dff55acd..180008c4c6ea91e16ecc8b6ef30d5583f5e558ad 100644 (file)
--- a/flower/vray.hh
+++ b/flower/vray.hh
@@ -105,13 +105,16 @@ public:
     T& last(int j=0) {
        return (*this)[size-j-1];
     }
+    T last(int j=0) const {
+       return (*this)[size-j-1];
+    }
     void swap (int i,int j) {
        T t((*this)[i]);
        (*this)[i]=(*this)[j];
        (*this)[j]=t;
     }
     bool empty() { return !size; }
-    void insert(T&k, int j) {
+    void insert(T k, int j) {
        assert(j >=0 && j<= size);
        set_size(size+1);
        for (int i=size-1; i > j; i--)