[pure-lang-svn] SF.net SVN: pure-lang: [355] pure/trunk/lib/math.pure

[<ag...@us...>]

Revision: 355
          http://pure-lang.svn.sourceforge.net/pure-lang/?rev=355&view=rev
Author:   agraef
Date:     2008-07-01 07:50:04 -0700 (Tue, 01 Jul 2008)

Log Message:
-----------
Add Euler's number.

Modified Paths:
--------------
    pure/trunk/lib/math.pure

Modified: pure/trunk/lib/math.pure
===================================================================
--- pure/trunk/lib/math.pure	2008-07-01 14:07:14 UTC (rev 354)
+++ pure/trunk/lib/math.pure	2008-07-01 14:50:04 UTC (rev 355)
@@ -70,6 +70,10 @@
 ln x::int | ln x::bigint = ln (double x);
 log x::int | log x::bigint = log (double x);
 
+/* Euler's number. */
+
+def e = exp 1.0;
+
 /* Trigonometric functions. */
 
 extern double sin(double), double cos(double), double tan(double);
@@ -89,6 +93,8 @@
 atan2 x::int y::double | atan2 x::bigint y::double = atan2 (double x) y;
 atan2 x::double y::int | atan2 x::double y::bigint = atan2 x (double y);
 
+/* Ludolph's number. */
+
 def pi = 4.0*atan 1.0;
 
 /* Hyperbolic functions. */


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