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### 8.53 `COMPLEX` — Complex conversion function

Description:
  `COMPLEX(X, Y)` returns a complex number where X is converted to the real component and Y is converted to the imaginary component.
Standard:
  GNU extension
Class:
  Elemental function
Syntax:
  `RESULT = COMPLEX(X, Y)`
Arguments:

  X | The type may be `INTEGER` or `REAL`.
  Y | The type may be `INTEGER` or `REAL`.

Return value:
  If X and Y are both of `INTEGER` type, then the return value is of default `COMPLEX` type.

  If X and Y are of `REAL` type, or one is of `REAL` type and one is of `INTEGER` type, then the return value is of `COMPLEX` type with a kind equal to that of the `REAL` argument with the highest precision.

Example:

                program test_complex
                    integer :: i = 42
                    real :: x = 3.14
                    print *, complex(i, x)
                end program test_complex

See also:
  CMPLX