FORTRAN 77 - Initialisation

 

fortran array assignment

Logical Assignment. v is the name of a variable, array element, or record field of type logical. e is a logical expression, or an integer between and , or a single character constant. Execution of a logical assignment statement causes evaluation of the logical expression e and assignment of . Array indices in Fortran by default begin at 1!!!. Array indices can range over any interval!!! (this is a feature of Pascal). Fortran Array Assignment. However, you can experiment with the length of those parts and their content. Those who in search of solace for this fear come to us are never disappointed. Since there are numerous ways in which a phenomenon can be interpreted, the essay should choose one and prove that it is worth the attention of the audience.


Fortran - Wikipedia


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That isn't true for all compilers. This defines the entire array. There is no need to designate array fortran array assignment in this case, since you are calling out the entire array: r :, :. Steve Lionel has a discussion of why trying to make arrays obvious with ":" isn't a good idea -- there are differences between array and array :. For the value zero this almost certainly doesn't matter, but it could make an important difference with other values.

For general considerations including declaration and assignation about efficiently fortran array assignment arrays in Fortran, I would suggest to read this. For more precise answer to your question, I did some tests some months ago that may interest you. Here are the results.

Learn more. First 10 Free, fortran array assignment. Fortran: initializing of and assigning value to arrays Ask Question. Asked 7 years, 8 months ago. Active 7 years, 8 months ago.

Viewed 26k times. Developer Developer 4, 5 5 gold badges 34 34 silver badges 49 49 bronze badges. It is somewhat of a general opinion that kind types should't have been designated with integers to begin with. It causes a lot of confusion. Hi Max, the link to your work is broken. Moreover, I'm not sure what a comparison with optimization turned off would reveal.

The inner loop here would fortran array assignment trivially. Often your examples 2,3,4 will be the same in optimized mode. I guess the time difference is due to the way array is stored in memory, fortran array assignment. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown.

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Assignment (FORTRAN 77 Language Reference)

 

fortran array assignment

 

Fortran (/ ˈ f ɔːr t r æ n /; formerly FORTRAN, derived from Formula Translation) is a general-purpose, compiled imperative programming language that is especially suited to numeric computation and scientific computing.. Originally developed by IBM in the s for scientific and engineering applications, FORTRAN came to dominate this area of programming early on and has been in continuous Designed by: John Backus. Logical Assignment. v is the name of a variable, array element, or record field of type logical. e is a logical expression, or an integer between and , or a single character constant. Execution of a logical assignment statement causes evaluation of the logical expression e and assignment of . Array indices in Fortran by default begin at 1!!!. Array indices can range over any interval!!! (this is a feature of Pascal).