Problem Statement The problem at hand is related to the declaration of a saved object in Fortran. Consider the following line of code: type(array_t(equations)), allocatable, save :: flowsol(:) The intention here is to have a length-parameterized type (array_t(equations)) as a saved object. However, the compiler raises an error, stating that a saved object cannot be …
How to Use a Variable in a Format String If you are using Intel Fortran, you can take advantage of a proprietary extension that allows you to include an existing variable in angle brackets as a specifier in your format string. This specifier will be replaced with the value of the variable during output. Here …
Where to put implicit none in Fortran: A Comprehensive Guide If you are a Fortran programmer, you are probably familiar with the implicit none statement. This statement is used to enforce explicit declaration of variables in your code, which helps to improve code readability and maintainability. However, you may be wondering where exactly to place …
Fortran is a powerful programming language that has been widely used in scientific and engineering applications for decades. One of the features that sets Fortran apart from other languages is its support for pointers. Pointers allow you to create references to variables or data structures, enabling more efficient memory management and flexible data manipulation. In …
If you are using Ubuntu 20.04 and facing issues with installing libgfortran.so.3, you are not alone. Ubuntu 20.04 does not support g++-6 by default, which can cause problems when trying to install libgfortran.so.3. However, there is a workaround that involves a few steps. In this article, I will guide you through the process of installing …
When it comes to numerical analysis and performance, Fortran has long been considered a powerhouse in the field. However, with the rise of modern programming languages like C++, many developers wonder if Fortran still holds any advantages in this domain. In this article, we will delve into the intricacies of Fortran and C++ to understand …
How are the MAX and MIN functions implemented in Fortran without support for variadic functions? When it comes to implementing the MAX and MIN functions in Fortran without support for variadic functions, it’s important to understand that MAX() in Fortran is not required to be a function. Instead, it can be implemented as a capability …
Fortran is a powerful programming language widely used in scientific and numerical computing. One important aspect of many computational applications is the generation of random numbers. In this article, we will explore how to generate random numbers in Fortran and discuss various considerations and techniques. How to Generate Random Numbers in Fortran Fortran provides built-in …
Fortran 77 is a programming language that was widely used in scientific and engineering applications. One common task in Fortran programming is converting a real number to an integer. However, the rounding direction of this conversion may not always be intuitive. In this article, we will explore how Fortran 77 handles the rounding direction when …
Are you a Fortran programmer looking to install gfortran on your MacOS Monterey (Version 12.2.1) M1 machine? Look no further! In this guide, I will walk you through the step-by-step process of installing gfortran on your Mac. What is gfortran? gfortran is the GNU Fortran compiler, which is a part of the GNU Compiler Collection …
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