release: 0.0.1

[lilypond.git] / flower / compare.hh

diff --git a/flower/compare.hh b/flower/compare.hh
new file mode 100644 (file)
index 0000000..05b6e89
--- /dev/null
+++ b/flower/compare.hh
@@ -0,0 +1,24 @@
+#ifndef COMPARE_HH
+#define COMPARE_HH
+
+/// handy notations for a signed comparison
+#define instantiate_compare(type, function)                            \
+inline bool operator>(type t1, type t2) { return function(t1, t2) > 0; }       \
+ inline bool operator>=(type t1, type t2) { return function(t1, t2) >= 0; }    \
+ inline bool operator==(type t1, type t2) { return function(t1, t2) == 0; }    \
+ inline bool operator<=(type t1, type t2) { return function(t1, t2) <= 0; }    \
+ inline bool operator<(type t1, type t2) { return function(t1, t2) < 0; } \
+ inline type MAX(type t1, type t2) {  return (t1 > t2 )? t1 : t2; }\
+ inline type MIN(type t1, type t2) {  return (t1 < t2 )? t1 : t2; }\
+  \
+  bool operator<(type t1, type t2) /* stupid fix to allow ; */
+     /**
+    make the operators{<,<=,==,>=,>} and the MAX and MIN of two.
+    Please fill a & in the type argument if necessary.    
+    */
+
+     
+
+     
+#endif
+