Recent questions tagged fortran

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fortran - Allocatable array valued function. gfortran vs ifort

Why is there different behavior between ifort and gfortran here? Compiled with ifort it returns false and with ... print *, allocated(a) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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fortran - Line truncated, Syntax error in argument list

When I compile the program below, I have an error and a warning in the call Coor_Trans command line as ... E1 !return end subroutine Coor_Trans See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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fortran - '*' and '/' not recognized on input by a read statement

I start learning Fortran and I'm doing a little case test program where the user types two real numbers and ... is ',res end program operateur See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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fortran - Why is this a function declared inside the module and then used somewhere else in the same module not seen by the linker?

I have a function (in case anyone is interested, it is this function) in a module that looks like this ... is a character*-returning function? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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fortran - Function has no implicit type

I am trying to learn to work with functions. I have the following code: program main implicit none write(*,*) ... at (1) has no IMPLICIT type See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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fortran - Output formatting: too much whitespace in gfortran

Using gfortran 4.6. This code: PROGRAM f1 IMPLICIT NONE INTEGER :: i=1, j=3 WRITE(*,*) "integer i ... + where you explicitly write any whitespace in the output. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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fortran - Why should I use interfaces?

Whenever I program in Fortran I use modules and I don't have to worry about writing interfaces. Now I'm ... someone explain me why? What are the benefit? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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fortran - Why Segmentation fault is happening in this openmp code?

main program: program main use omp_lib use my_module implicit none integer, parameter :: nmax = 202000 real(8) :: ... without -openmp option, it runs fine too. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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fortran - MPI_Recv overwrites parts of memory it should not access

In the following code the value of xysize gets changed, if I do not declare it as a parameter (which I generally ... 2 size 4096 4096 1 received size 4096 5000 Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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fortran - Function evaluation conflicting with other effects in statement

I would like to clarify my understanding of evaluation order in Fortran. Let's say I have a ... questions/65869750/function-evaluation-conflicting-with-other-effects-in-statement...