/ ************************************************************************** * * Purpose: Give the exponent of a number. * Author: M. J. Leslie * Date: 05-Apr-94 * **************************************************************************/ #include <stdio.h> int exponent(int); main(int argc,char *argv[]) { int user_val; char *progname; progname=argv[0]; /* have we got one command line parameter? */ if (argc != 2) { printf("%s syntax is:\n", progname); printf("\t%s num - where num is the number you ", progname); printf("require the exponent of.\n"); exit(); } /* y. Put it in a suitable variable */ user_val = atoi(argv[1]); /* get and O/P its exponent. */ printf(" The exponent of %d is %d \n", user_val, exponent(user_val)); } /************************************************************************ Get the exponent of an integer number. *************************************************************************/ int exponent(int input) { int count, result=1; /* 'result *= count' means 'result = result * count' to fortran programmers... */ for(count=1; count<=input; count++) result *= count; return result; }
file: /Techref/language/ccpp/cref/EXAMPLES/exponent.c, 1KB, , updated: 1998/1/27 10:16, local time: 2024/8/14 19:35,
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