user> (time (dotimes [i 100000] (contribmath-ceil (rand))))                 
                                                                            
                                   
"Elapsed time: 4500.530303 msecs"                                           
                                                                            
                            
nil                                                                         
                                                                            
                            
user> (time (dotimes [i 100000] (contribgenericmath-ceil (rand))))           
                                                                            
                                      
"Elapsed time: 44.707193 msecs"                                             
                                                                            
                            
nil                                                                         
                                                                            
                            
user> (time (dotimes [i 100000] (incanterprocessing-ceil (rand))))           
                                                                            
                                              
"Elapsed time: 38.322599 msecs"                                             
                                                                            
                            
nil                                                                         
                                                                            
                            
user> (time (dotimes [i 100000] (inc (int (rand)))))                         
                                                                            
                           
"Elapsed time: 28.939557 msecs"     

Observing the huge differences in speed of certain math functions in 
different clojure libraries, I was wondering if anyone knows which clojure 
math library is fastest in general? Is there any wisdom in this, or is it 
just up to users to check for each function where to get an efficient 
implementation.

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