release: 1.0.1

[lilypond.git] / flower / include / real.hh

diff --git a/flower/include/real.hh b/flower/include/real.hh
index 2e8b160a22d02e71f0cbdc8c07e8515d07ef273d..50459fb57fe1e4818de4534b3015f61264041467 100644 (file)
--- a/flower/include/real.hh
+++ b/flower/include/real.hh
@@ -3,7 +3,7 @@
 
   source file of the Flower Library
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c)  1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
 
@@ -11,14 +11,40 @@
 #define REAL_HH
 
 
-#include <builtin.h>
-#include <minmax.h>
 #include <math.h>
 #include <limits.h>
 
 typedef double Real;
 const Real infinity_f = HUGE_VAL;
 
+template<class T> inline T abs (T x)
+{
+  return x > 0 ? x : -x;
+}
+
+template<class T> inline int sign (T x)
+{
+  if (x)
+    return x > 0 ? 1 : -1;
+  return 0;
+}
+
+template<class T> inline T max (T x, T y)
+{
+  return x >? y;
+}
+
+template<class T> inline T sqr (T x)
+{
+  return x*x;
+}
+
+
+template<class T> inline T min (T x, T y)
+{
+  return x <? y;
+}
+
 inline Real
 distance (Real x,Real y)
 {