--- Tree-M/M.xs	2001/05/06 00:45:51	1.1
+++ Tree-M/M.xs	2001/05/06 01:35:15	1.2
@@ -12,8 +12,8 @@
 static double *
 sv2c(SV *sv, int ndims)
 {
-  if (!SvROK (sv) && SvTYPE (SvRV (sv)) != SVt_PVAV)
-    croak ("Tree::M: key must be array references");
+  if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
+    croak ("Tree::M: key must be array reference");
 
   AV *av = (AV *)SvRV (sv);
 
@@ -43,11 +43,10 @@
 
 static AV *searchres;
 
-void add_result(double distance, int data, double *k, int ndims)
+void add_result(int data, double *k, int ndims)
 {
    AV *r = newAV ();
 
-   av_push (r, newSVnv (distance));
    av_push (r, newSViv (data));
    av_push (r, c2sv (k, ndims));
 
@@ -113,6 +112,9 @@
         OUTPUT:
         RETVAL
 
+int
+PMT::maxlevel()
+
 void
 PMT::DESTROY()