Month: August 2014

Intel Fortran Compiler v15 Released

Intel has released version 15 of their Fortran compiler (the product formerly known as Intel Visual Fortran, and now part of the confusingly-named “Intel Parallel Studio XE 2015 Composer Edition”, is an update to the v14 release which was called “Intel Composer XE 2013

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Computus

The Computus is the algorithm for the calculation of the date of Easter.  The following is a simple Fortran subroutine of the Computus, using the “Meeus/Jones/Butcher” Gregorian Easter algorithm. Note that this subroutine makes use of Fortran integer division. The sequence

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Fixed to Free Form Fortran Conversion

Old style fixed-form Fortran code (commonly called FORTRAN 77 style) was replaced by free-form style in 1991 with the introduction of the Fortran 90 standard. In spite of this, fixed-form code can still be found in legacy projects, and there

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