Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [fortran]

The tag has no usage guidance.

3
votes
1answer
159 views

Which pre-IEEE computers had a single precision FPU and implemented double precision floats in software?

Before the formats of floating point numbers have been standardized in IEEE 754 in 1985, different vendors had used many different floating point formats, some of them listed on the Data Format and ...
14
votes
1answer
672 views

Fortran variable type defaults - origin

In older versions of Fortran, e.g. 77, variables did not need to be declared. If the name starts with I, J, K, L, M, or N then it would be assumed to be an INTEGER. Otherwise, it would be assumed to ...
12
votes
6answers
1k views

Do any mainframe emulators exist with a functional FORTRAN compiler?

Similar to this question, but generalized to any mainframe computer from before the microprocessor era, does there exist an emulator and OS for a vintage mainframe computer that will run the output ...
10
votes
1answer
228 views

Does a CDC 1604 emulator exist with a functional FORTRAN compiler?

The first FORTRAN compiler for the Soviet BESM-6 mainframe was written by means of manually retargeting the assembly code of the CDC 1604 FORTRAN compiler donated by CERN to JINR. As a result is it ...
2
votes
2answers
252 views

How to render FORTRAN overprinting in HTML? [closed]

Consider a FORTRAN program РRINТ 1 1 FОRМАТ(1Х,’ GООD ВУЕ НЕLLО, WОRLD’/’+ХХХХ ХХХ’) ЕND (YMMV re the number of leading spaces to align Xes with "GOOD BYE") Its output, using the SIMH ...