fortran90

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Reading C data file in F90

I am not an expert in programming but have some experi开发者_如何学Goence. It is more than a week that I am trying to read a data file from C into a Fortran program. C program saves a matrix in a bin[详细]

2023-01-05 07:36 分类：问答
Fortran 90 Presence Of Optional Arguments

I do not understand the behavior of the present() intrinsic function with pgf90 7.2.I wrote a 20 line sample program to test this, but the results still make no sense to me.Observe:[详细]

2023-01-04 15:47 分类：问答
Fortran intent(inout) versus omitting intent

Good practice dictates that subroutine 开发者_运维知识库arguments in Fortran should each have a specified intent (i.e. intent(in), intent(out) or intent(inout) as described this question):[详细]

2022-12-31 18:36 分类：问答
Fortran SAVE statement

I\'ve read about the save statement in the (Intel\'s) language reference document, but I cannot quite grasp what it does. Could someone explain to me in simple开发者_StackOverflow中文版 language what[详细]

2022-12-31 03:18 分类：问答
An error which does not present itself with a debugger attached

I am using Intel\'s FORTRAN compiler to compile a numerical library.The test case prov开发者_运维技巧ided errors out within libc.so.6.When I attach Intel\'s debugger (IDB) the application runs through[详细]

2022-12-31 02:10 分类：问答
fortran 90 user defined type, passing by value?

I have an issue in Fortran 90. I have a user-defined type, and when I call one of the MPI subroutines the data looks to be passed by value (not address, as I thought it should). The output arguments[详细]

2022-12-24 11:53 分类：问答
MPI_SCATTER Fortran Matrices by Rows

What is the best way to scatter a Fortran 90 matrix by its rows rather than columns?That is, let\'s say I have a matrix a(4,50) and I want to MPI_SCATTER it onto two 开发者_StackOverflowprocesses wher[详细]

2022-12-24 06:56 分类：问答
define integer array fortran

I am a newbie in Fortran. Can any1 tell me how to define an integer array in prior. E.g. I want to define an array with no.of days in 12 months.[详细]

2022-12-11 09:20 分类：问答