Modern Fortran: Style and Usage - download pdf or read online

By Norman S. Clerman, Walter Spector

ISBN-10: 0521514533

ISBN-13: 9780521514538

Fortran is among the oldest high-level languages and continues to be the most desirable language for writing code for technological know-how and engineering purposes. glossy Fortran: variety and utilization is a e-book for someone who makes use of Fortran, from the beginner learner to the complex professional. It describes most sensible practices for programmers, scientists, engineers, computing device scientists, and researchers who are looking to observe solid variety and include rigorous utilization of their personal Fortran code or to set up instructions for a staff undertaking. The presentation concentrates totally on the features of Fortran 2003, whereas additionally describing tools in Fortran 90/95 and necessary new good points in Fortran 2008. The authors draw on greater than a part century of expertise writing creation Fortran code to provide transparent succinct guidance on formatting, naming, documenting, programming, and packaging conventions and diverse programming paradigms reminiscent of parallel processing (including OpenMP, MPI, and coarrays), OOP, universal programming, and interval interoperability. Programmers operating with legacy code will particularly relish the part on updating outdated courses.

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Extra info for Modern Fortran: Style and Usage

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3 Data Objects 31. Use plural nouns to differentiate arrays from scalars. ” r e a l (WORKING PREC) : : v e l o c i t y v e c t o r (3) This manner of naming objects is especially useful whenever you refer to an entire array by its name only. Here is a call to a routine where a single oxygen atom and arrays of both carbon and hydrogen atoms are passed as arguments: c a l l Combine atoms ( oxygen , c a r b o n s , h y d r o g e n s , & return val ) 32. In modules in which a derived type is defined, use either the name “this” or the name “self ” for the pass argument in all type-bound procedures and procedure pointer components and for the dummy argument of the type in all module procedures.

The same applies if the selector is a pointer; the associate-name does not acquire the pointer attribute. This means that if you have the following derived type: type , p u b l i c : : e l e m e n t t real , allocatable : : r e a l a r r a y ( : ) end type e l e m e n t t you can use the following associate construct: type ( e l e m e n t t ) : : o b j e c t ... a s s o c i a t e ( r e a l i t e m => o b j e c t%r e a l a r r a y ( i ) ) . . code u s i n g r e a l i t e m end a s s o c i a t e But the following code is not valid because real item is not allocatable: type ( e l e m e n t t ) : : o b j e c t ...

You may prefer this format: i n t e g e r , i n t e n t ( i n out ) : : a r g 2 ( : ) real , i n t e n t ( out ) : : arg 3 l o g i c a l , i n t e n t ( out ) , o p t i o n a l : : e r r o r f l a g In the same manner, align the beginning and ending keywords of all constructs, program units, and other code elements that have beginning and ending keywords. Here is an example: type , p u b l i c : : n o d e t type ( n o d e t ) , p o i n t e r : : p t n e x t => n u l l ( ) ... 0 + cc cv2 = cv * cv ...

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Modern Fortran: Style and Usage by Norman S. Clerman, Walter Spector


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