lldiv() — Compute quotient and remainder of integral division for long long type

Standards

Standards / Extensions	C or C++	Dependencies
z/OS® UNIX C99 Single UNIX Specification, Version 3 C++ TR1 C99	both	OS/390 V2R10

Format

#include <stdio.h>

long long lldiv(long long numer, long long denom);

Compile requirement: Use of this function requires the long long data type. See z/OS XL C/C++ Language Reference for information on how to make long long available.

General description

Calculates the quotient and remainder of the division of numerator by denominator.

Returned value

Returns a structure of type lldiv_t, containing both the quotient long long quot and the remainder long long rem.

If the value cannot be represented, the returned value is undefined. If denominator is 0, a divide by 0 exception is raised.

Example

  /*
     This example uses the
     lldiv() function to calculate the quotients and
     remainders for a set of two dividends and two divisors.
   */
  #define _LONG_LONG 1
  #include <stdio.h>
  #include <stdlib.h>

  int main(void)
  {
     long long  num[2] = {45,-45};
     long long  den[2] = {7,-7};
     lldiv_t ans;   /* lldiv_t is a struct type containing
                       two long long int fields:
                      'quot' stores quotient; 'rem' stores remainder */
     short i,j;

     printf("Results of long division:\n");
     for (i = 0; i < 2; i++)
        for (j = 0; j < 2; j++)
        {
           ans = lldiv(num[i], den[j]);
           printf("Dividend: %6lld  Divisor: %6lld", num[i], den[j]);
           printf("  Quotient: %6lld  Remainder: %6lld\n", ans.quot,
                                                             ans.rem);
        }
  }

Output

  Results of long division:
  Dividend:  45  Divisor:   7  Quotient:   6  Remainder:   3
  Dividend:  45  Divisor:  -7  Quotient:  -6  Remainder:   3
  Dividend: -45  Divisor:   7  Quotient:  -6  Remainder:  -3
  Dividend: -45  Divisor:  -7  Quotient:   6  Remainder:  -3