3

Convert a floating-point number to an integer

  1. #include <stdio.h>
  2.  
  3. main() {
  4.     const double pi = 22.0/7;
  5.  
  6.     printf( "pi = %f\n", pi );
  7.     printf( "(int)pi = %d\n", (int)pi );
  8. }
$ gcc -o cast cast.c
$ ./cast
pi = 3.142857
(int)pi = 3

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