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/GNU Fortran 7

9.236 SECOND — CPU time function

Description:

Returns a REAL(4) value representing the elapsed CPU time in seconds. This provides the same functionality as the standard CPU_TIME intrinsic, and is only included for backwards compatibility.

This intrinsic is provided in both subroutine and function forms; however, only one form can be used in any given program unit.

Standard:

GNU extension

Class:

Subroutine, function

Syntax:
CALL SECOND(TIME)
TIME = SECOND()
Arguments:
TIME Shall be of type REAL(4).
Return value:

In either syntax, TIME is set to the process’s current runtime in seconds.

See also:

CPU_TIME

© Free Software Foundation
Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-7.1.0/gfortran/SECOND.html