Changeset 68:a315a588a20d in lemon-main

Timestamp:

02/07/08 23:25:42 (17 years ago)

Author:

Alpar Juttner <alpar@…>

Branch:

default

Phase:

public

Message:

Some usefull math constants

lemon/math.h also includes the standard cmath, so one should prefer using
just lemon/math.h instead of cmath.

Location:

lemon

Files:

• Makefile.am (modified) (1 diff)
• math.h (added)
• random.h (modified) (2 diffs)

lemon/Makefile.am

@@ -18 +18 @@
         lemon/dim2.h \
         lemon/maps.h \
+        lemon/math.h \
         lemon/random.h \
         lemon/list_graph.h \

lemon/random.h

@@ -68 +68 @@
 
 #include <ctime>
-#include <cmath>
-
+
+#include <lemon/math.h>
 #include <lemon/dim2.h>
+
 ///\ingroup misc
 ///\file
@@ -760 +761 @@
       double xi,nu;
       const double delta = k-std::floor(k);
-      const double v0=M_E/(M_E-delta);
+      const double v0=E/(E-delta);
       do {
         double V0=1.0-real<double>();