DIV by 0.0, vectorization and optimization
It is not unusual for physics simulation programs to use unit vectors. Physics simulation programs tend to have large sets of data and can benefit significantly through vectorization.In these types of...
View Articlefinding the dll to EXECUTE_COMMAND_LINE
I just am trying to use EXECUTE_COMMAND_LINE to replace non-standard system calls. When I run my executable, I get an error that the function _execute_command_line is not found in the dll...
View ArticleWRITE(*,'(X,A)') my_text
Intel Fortran has a (very) nifty language extension that allows an edit descriptor to be an integer expression, using the < > brackets has shown in the subject line above. But is there a standard...
View ArticleErrors in getting results
Does anyone of you can help me please? I am very new to the FORTRAN and never used it before. I am using Visual Studio 2012 and I think it already has FORTRAN compiler inside the Visual Studio. Every...
View ArticleAnything not standard conforming in following code?
I am puzzled by a difference in behavior between the Intel compiler and the Cray compiler on the example below.PROGRAM TEST_STRING_FUNCTION IMPLICIT NONE CHARACTER(LEN=:),ALLOCATABLE :: S CALL SUB(...
View ArticleError in writing strings
Hi all,I get a "forrtl: severe (66): output statement overflows record, unit -5" in this code, which tries to write a matrix to a CSV file with ";" separator: CHARACTER(255) kterm,scrK REAL*8...
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Compilation aborted code 1 in a fortran program
Hi, I am a student, new in fortran, and my tutor left me a fortran program to study.There is always a message:"Compilation aborted (code 1)" when I try to run it, and it is the only error. I don't know...
View ArticleIs fstack-protector-all supported on MIC?
I'm debugging a crash in my Fortran code, and would like to try stack protection.Is fstack-protector-all supported on the MIC platform? When I build with -mic -fstack-protector-all the executable...
View ArticleDerived Type Variables
The % sign separates the components of a derived type variable. For example: ! The following the syntax given in the language reference. george%age = 56 george%height = 6.0 But I see some examples...
View ArticleNon-scalar pass-object dummy arguments
Hi,I am trying to use type-bound procedures (TBP) with non-scalar pass-object dummy arguments. Although not valid from the standard (C461: "The passed-object dummy argument shall be a scalar,...
View ArticleProblem with IMSL serial number
Hi,I bough the Intel IMSL Fortran Numerical Library, but when I install it a error message appears after I enter the serial number, as if it were an invalid serial number. How could this be fixed? The...
View ArticleHeadache free C-Fortran interface under 11+
I'm in charge of a rather large C-Fortran interface for our codes that has recently run afoul of the extra strictness included in 11+."error #8532: A character dummy argument with length other than 1...
View Articlevalue being NaN and (+-)infinity in fortran
Hi there,I'm running my abaqus .inp file with UMAT( modified by fortran). Due to some errors, the job can not complete successfully. After using write(*,*) to output some variables I've defined. I've...
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Undefined pointer/array *not crashing*
Hello everyone,I'm having issues with this sample of codesubroutine tri_2D(vect) real(kind=DP), dimension(:,:),pointer :: vect integer :: n, n1, n2 real(kind=DP), dimension(:), allocatable :: STOCK1,...
View Articleoptimization help/vectorization/SIMD questions
Hi,Consider the following code snippet: do i = 1, size(rhs,dim=2) if (n == biggest_int) exit !Overflow! n1 = n n = n + 1 n1on = real(n1,WP)/real(n,WP) ! Add SIMD dir? !!!!DIR$ SIMD PRIVATE(p,k) do...
View ArticleLine of sight for compiler allowing mixed coarray/OpenMP use?
I am wondering if we could have an estimate of when Intel will release a compiler that allows mixed coarray/OpenMP usage. It is still not possible in version 15. Thanks!
View Article"Stack trace terminated abnormally": what does this mean?
Hi,running a code compiled with -check all I see various warnings concerning the creation of some temporaries (I know about them and I am fine with them) and somehow interspersed in the ouput various...
View Articlecompiler unable to find module and symbols
Hello,I can compile my sources on Linux with the ifort compiler without any problems. However, when I use the same Makefile or when I use the Visual Studio IDE with Visual Fortran Compiler XE...
View ArticleHow to enforce inlining ?
Hi,My code involves a derived-type variable (denoted 'Object' hereafter) holding another derived-type variable as a component (denoted 'SubObject').The SubObject has a type-bound procedure for...
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size of undefined allocatable array different than zero !
Hello !I've been working on migrating old Compaq projects to Intel Visual Fortran. I'm hitting some problems and I can't find any solution on this forum. Please help me.First, I have to mention that...
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