Question

How to use lgamma() function to get the natural logarithm of the absolute value of the gamma function of N in C

Answer 1

#include <stdio.h>     
#include <math.h>     
 
int main(int argc, char **argv)
{   
	printf("lgamma(0.9) = %f\n", lgamma(0.9));
	printf("lgamma(10) = %f\n", lgamma(10));
    printf("lgamma(0.5) = %f\n", lgamma(0.5));
    printf("lgamma(1) = %f\n", lgamma(1));
  
    return 0;
}
 
 
/*
run:
   
lgamma(0.9) = 0.066376
lgamma(10) = 12.801827
lgamma(0.5) = 0.572365
lgamma(1) = 0.000000

*/

 

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