Multipole: remove unused functions

Author: lwJi

Multipole/src/io.cxx

@@ -39,10 +39,6 @@
 namespace Multipole {
 using namespace std;
 
-static inline int Index_2d(int it, int ip, int ntheta) {
-  return it + (ntheta + 1) * ip;
-}
-
 static bool file_exists(const string &name) {
   struct stat sts;
   return !(stat(name.c_str(), &sts) == -1 && errno == ENOENT);

Multipole/src/surface.hxx

@@ -106,10 +106,10 @@ public:
 
     for (size_t si = 0; si < spinWeights.size(); ++si) {
       int sw = spinWeights[si];
-      realY_[si].resize(lmax + 1);
-      imagY_[si].resize(lmax + 1);
+      realY_[si].resize(lmax_ + 1);
+      imagY_[si].resize(lmax_ + 1);
 
-      for (int l = 0; l <= lmax; ++l) {
+      for (int l = 0; l <= lmax_; ++l) {
         realY_[si][l].resize(2 * l + 1);
         imagY_[si][l].resize(2 * l + 1);