X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fmisc.hh;h=b70d2c2ce2e2d15dad2b95973af7cf47fca62007;hb=32a34dcef0c0041c6d62677487a380b5c8b85712;hp=d45eabe840e958dfd34685f0b08835fc08f9fdb2;hpb=622b379cd71af8dde94f68135a489b2536309e6f;p=lilypond.git

diff --git a/lily/include/misc.hh b/lily/include/misc.hh
index d45eabe840..b70d2c2ce2 100644
--- a/lily/include/misc.hh
+++ b/lily/include/misc.hh
@@ -1,40 +1,69 @@
+/*
+  This file is part of LilyPond, the GNU music typesetter.
+
+  Copyright (C) 2005--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
+
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
 #ifndef MISC_HH
 #define MISC_HH
 
-#include <stdlib.h>
+#include <cstdlib>
+using namespace std;
 
-#include "real.hh"
-#include "array.hh"
+#include "std-vector.hh"
 #include "interval.hh"
 
-double log_2(double x) ;
-int intlog2(int d);
+double log_2 (double x);
+int intlog2 (int d);
 
-#if 0
-				// defined in real.hh
 inline int
-abs (int i){
-    return (i < 0)?-i:i;
+sign (int i)
+{
+  if (i < 0)
+    return -1;
+  else if (i)
+    return 1;
+  else return 0;
 }
-#endif
 
 inline int
-sign (int i) {
-    if (i<0) return -1;
-    else if (i) return 1;
-    else return 0;
+shift_left (int value, int shiftamount)
+{
+  if (shiftamount < 0) return (value >> -shiftamount);
+  else return (value << shiftamount);
 }
 
-#ifndef STANDALONE
-#include "lily-proto.hh"
-Interval itemlist_width (const Link_array<Item> &its);
-#endif
+inline Real
+linear_interpolate (Real x, Real x1, Real x2, Real y1, Real y2)
+{
+  return (x2 - x) / (x2 - x1) * y1
+         + (x - x1) / (x2 - x1) * y2;
+}
+
+inline Real
+normalize (Real x, Real x1, Real x2)
+{
+  return (x - x1) / (x2 - x1);
+}
+
+Real directed_round (Real f, Direction d);
 
-void set_frobnify (void*, size_t);
-int get_lower_bound (Array<Real> const& positions, Real x);
-Slice get_bounds_slice (Array<Real> const& positions, Real x);
-Interval get_bounds_iv (Array<Real> const& positions, Real x);
-Interval quantise_iv (Array<Real> const& positions, Real period, Real x);
+Real peak_around (Real epsilon, Real threshold, Real x);
+Real convex_amplifier (Real standard_x, Real increase_factor, Real x);
+string camel_case_to_lisp_identifier (string in);
 
 #endif