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exp

Usage

   #include <math.h>
   double exp (double x);

   ANSI

Description

   exp generates the natural exponent of the argument x.

Example 

   #include <stdio.h>
   #include <math.h>
   #include <stdlib.h>

   int main()
   {
       double dnum, xpnt;
       dnum = 3.1415926;
       xpnt = exp(dnum);
       printf("The exp(%f) = %f\n",dnum,xpnt);
       return EXIT_SUCCESS;
   }

Return Value

   Returns the real exponential function e to the x. If overflow, errno is
   set to ERANGE and HUGE_VAL is returned. If underflow, exp returns 0 and
   does not set errno. The function matherr can be used to modify the
   behavior on error.

See Also

   log, pow, sqrt



See Also: log pow sqrt

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