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### 8.183 `NINT` — Nearest whole number

Description:
  `NINT(A)` rounds its argument to the nearest whole number.
Standard:
  Fortran 77 and later, with KIND argument Fortran 90 and later
Class:
  Elemental function
Syntax:
  `RESULT = NINT(A [, KIND])`
Arguments:

  A | The type of the argument shall be `REAL`.
  KIND | (Optional) An `INTEGER` initialization expression indicating the kind parameter of the result.

Return value:
  Returns A with the fractional portion of its magnitude eliminated by rounding to the nearest whole number and with its sign preserved, converted to an `INTEGER` of the default kind.
Example:

                program test_nint
                  real(4) x4
                  real(8) x8
                  x4 = 1.234E0_4
                  x8 = 4.321_8
                  print *, nint(x4), idnint(x8)
                end program test_nint

Specific names:

  Name | Argument | Return Type | Standard
  `NINT(A)` | `REAL(4) A` | `INTEGER` | Fortran 95 and later
  `IDNINT(A)` | `REAL(8) A` | `INTEGER` | Fortran 95 and later

See also:
  CEILING, FLOOR