From 518f04ef3d01a6531c587297f8aa21c1f0f70025 Mon Sep 17 00:00:00 2001
From: fred <fred>
Date: Sun, 24 Mar 2002 19:36:56 +0000
Subject: [PATCH] lilypond-0.0.45

---
 flower/matrix.cc      |  9 ++++++---
 lily/include/p-col.hh | 22 +++++++++++++++-------
 2 files changed, 21 insertions(+), 10 deletions(-)

diff --git a/flower/matrix.cc b/flower/matrix.cc
index 9d229c0ae1..885d69f683 100644
--- a/flower/matrix.cc
+++ b/flower/matrix.cc
@@ -201,9 +201,10 @@ Matrix::set_product(Matrix const &m1, Matrix const &m2)
 void
 Matrix::insert_row(Vector v, int k)
 {
+    int c = cols();
     assert(v.dim()==cols());
     dat->insert_row(k);
-    for (int j=0; j < cols(); j++)
+    for (int j=0; j < c; j++)
 	dat->elem(k,j)=v(j);
 }
 
@@ -212,7 +213,8 @@ void
 Matrix::swap_columns(int c1, int c2)
 {
     assert(c1>=0&& c1 < cols()&&c2 < cols() && c2 >=0);
-    for (int i=0; i< rows(); i++) {
+    int r = rows();
+    for (int i=0; i< r; i++) {
 	Real r=dat->elem(i,c1);
 	dat->elem(i,c1) = dat->elem(i,c2);
 	dat->elem(i,c2)=r;
@@ -223,7 +225,8 @@ void
 Matrix::swap_rows(int c1, int c2)
 {
     assert(c1>=0&& c1 < rows()&&c2 < rows() && c2 >=0);
-    for (int i=0; i< cols(); i++) {
+    int c = cols();
+    for (int i=0; i< c; i++) {
 	Real r=dat->elem(c1,i);
 	dat->elem(c1,i) = dat->elem(c2,i);
 	dat->elem(c2,i)=r;
diff --git a/lily/include/p-col.hh b/lily/include/p-col.hh
index 48d6c62a19..2a2dd92afc 100644
--- a/lily/include/p-col.hh
+++ b/lily/include/p-col.hh
@@ -20,12 +20,11 @@
     \end{itemize}
   */
 
-struct PCol { 
+class PCol { 
+public:
     PointerList<Item const *> its;
     PointerList<Spanner const *> stoppers, starters;
     
-
-
     /** prebreak is put before end of line.
     if broken here, then (*this) column is discarded, and prebreak
     is put at end of line, owned by Col
@@ -42,8 +41,10 @@ struct PCol {
     /// if lines are broken then this column is in #line#
     Line_of_score const *line_l_;
 
-    /// if lines are broken then this column x-coord #hpos#
-    Real hpos;
+    /** if lines are broken then this column x-coord #hpos# if not
+      known, then hpos == -1.(ugh?)  */
+
+    Real hpos;			// should use ptr?
 
     PScore * pscore_l_;
 
@@ -68,13 +69,20 @@ struct PCol {
       signed compare on columns.
 
       @return < 0 if c1 < c2.
-    */static int compare(const PCol &c1, const PCol &c2);
-    
+    */
+    static int compare(const PCol &c1, const PCol &c2);
+    void set_rank(int);
 
     void OK() const;
     void set_breakable();
     void print()const;
 private:
+    
+    /**
+      The ranking: left is smaller than right 
+      -1 is uninitialised.
+     */
+    int rank_i_;
     PCol(PCol const&){}
 };
 
-- 
2.39.5