r11340 - /1.3/maths_fns/pseudo_ellipse.py -- July 23, 2010 - 10:56

Author: bugman
Date: Fri Jul 23 10:56:51 2010
New Revision: 11340

URL: http://svn.gna.org/viewcvs/relax?rev=11340&view=rev
Log:
Hardcoded the factorial() function using a dictionary to return support for 
Python 2.4 and 2.5.


Modified:
    1.3/maths_fns/pseudo_ellipse.py

Modified: 1.3/maths_fns/pseudo_ellipse.py
URL: 
http://svn.gna.org/viewcvs/relax/1.3/maths_fns/pseudo_ellipse.py?rev=11340&r1=11339&r2=11340&view=diff
==============================================================================
--- 1.3/maths_fns/pseudo_ellipse.py (original)
+++ 1.3/maths_fns/pseudo_ellipse.py Fri Jul 23 10:56:51 2010
@@ -24,7 +24,63 @@
 """Module for the pseudo-elliptical functions."""
 
 # Python module import.
-from math import factorial, pi
+from math import pi
+
+
+def factorial(n):
+    """Return n!
+
+    @param n:   The number to return the factorial of.
+    @type n:    int
+    @return:    n!
+    @rtype:     int
+    """
+
+    # A dictionary of factorials.
+    dict = {}
+    dict[0] = 1
+    dict[1] = 1
+    dict[2] = 2
+    dict[3] = 6
+    dict[4] = 24
+    dict[5] = 120
+    dict[6] = 720
+    dict[7] = 5040
+    dict[8] = 40320
+    dict[9] = 362880
+    dict[10] = 3628800
+    dict[11] = 39916800
+    dict[12] = 479001600
+    dict[13] = 6227020800
+    dict[14] = 87178291200
+    dict[15] = 1307674368000
+    dict[16] = 20922789888000
+    dict[17] = 355687428096000
+    dict[18] = 6402373705728000
+    dict[19] = 121645100408832000
+    dict[20] = 2432902008176640000
+    dict[21] = 51090942171709440000
+    dict[22] = 1124000727777607680000
+    dict[23] = 25852016738884976640000
+    dict[24] = 620448401733239439360000
+    dict[25] = 15511210043330985984000000
+    dict[26] = 403291461126605635584000000
+    dict[27] = 10888869450418352160768000000
+    dict[28] = 304888344611713860501504000000
+    dict[29] = 8841761993739701954543616000000
+    dict[30] = 265252859812191058636308480000000
+    dict[31] = 8222838654177922817725562880000000
+    dict[32] = 263130836933693530167218012160000000
+    dict[33] = 8683317618811886495518194401280000000
+    dict[34] = 295232799039604140847618609643520000000
+    dict[35] = 10333147966386144929666651337523200000000
+    dict[36] = 371993326789901217467999448150835200000000
+    dict[37] = 13763753091226345046315979581580902400000000
+    dict[38] = 523022617466601111760007224100074291200000000
+    dict[39] = 20397882081197443358640281739902897356800000000
+
+    # Return the value.
+    return dict[n]
 
 
 def pec(x, y):