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Using and Porting GNU Fortran

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8.11.9.97 ETime Intrinsic (function)

 
ETime(TArray)

ETime: REAL(KIND=1) function.

TArray: REAL(KIND=1); DIMENSION(2); INTENT(OUT).

Intrinsic groups: unix.

Description:

Return the number of seconds of runtime since the start of the process's execution as the function value, and the user and system components of this in `TArray(1)' and `TArray(2)' respectively. The functions' value is equal to `TArray(1) + TArray(2)'.

On some systems, the underlying timings are represented using types with sufficiently small limits that overflows (wraparounds) are possible, such as 32-bit types. Therefore, the values returned by this intrinsic might be, or become, negative, or numerically less than previous values, during a single run of the compiled program.

For information on other intrinsics with the same name: See section 8.11.9.96 ETime Intrinsic (subroutine).


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