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c63539ff ML |
1 | .. |
2 | Copyright 1988-2022 Free Software Foundation, Inc. | |
3 | This is part of the GCC manual. | |
4 | For copying conditions, see the copyright.rst file. | |
5 | ||
6 | .. index:: MAXEXPONENT, model representation, maximum exponent | |
7 | ||
8 | .. _maxexponent: | |
9 | ||
10 | MAXEXPONENT --- Maximum exponent of a real kind | |
11 | *********************************************** | |
12 | ||
13 | .. function:: MAXEXPONENT(X) | |
14 | ||
15 | ``MAXEXPONENT(X)`` returns the maximum exponent in the model of the | |
16 | type of ``X``. | |
17 | ||
18 | :param X: | |
19 | Shall be of type ``REAL``. | |
20 | ||
21 | :return: | |
22 | The return value is of type ``INTEGER`` and of the default integer | |
23 | kind. | |
24 | ||
25 | Standard: | |
26 | Fortran 90 and later | |
27 | ||
28 | Class: | |
29 | Inquiry function | |
30 | ||
31 | Syntax: | |
32 | .. code-block:: fortran | |
33 | ||
34 | RESULT = MAXEXPONENT(X) | |
35 | ||
36 | Example: | |
37 | .. code-block:: fortran | |
38 | ||
39 | program exponents | |
40 | real(kind=4) :: x | |
41 | real(kind=8) :: y | |
42 | ||
43 | print *, minexponent(x), maxexponent(x) | |
44 | print *, minexponent(y), maxexponent(y) | |
3ed1b4ce | 45 | end program exponents |