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  1. Search | Intel® Software

    https://software.intel.com/en-us/search/gss/intel%20fortran%20compiler%20character%20comparison%20bug

    ... when doing the preprocessing. ... There is an insidious optimizer bug in Intel Fortran compilers, version 8 and . ... To make comparison no warning is issued by Intel compiler at compilation time . .... Converting c-string to Fortran string.

  2. get different result from intel fortran compiler and pgi fortran compiler

    https://software.intel.com/pt-br/search/gss/intel%20fortran%20compiler%20character%20comparison%20bug

    What is wrong ? ... bug or not in fortran compiler under linux 64 bits ? ... If the ... Are you able to compare the signon string above with the one that you got .

  3. NaN with -O2 and above, expected results with -O1 and below

    https://software.intel.com/en-us/forums/intel-fortran-compiler-for-linux-and-mac-os-x/topic/405706

    However, when I compile my code with -O2 and above something ... I am suspecting that the optimization algorithm has an error/bug of some variety. ..... as `pure` and will evaluate to this, otherwise it will evalute to the empty string. .... This error occurs on all versions of ifort that I have tested on Linux and ...

  4. Intel® Parallel Studio XE 2016 Composer Edition Compilers Fixes List

    https://software.intel.com/en-us/articles/intel-parallel-studio-xe-2016-composer-edition-compilers-fixes-list

    Aug 21, 2015 ... DPD200377478, Fortran, ifort 16.0 : Vectorizer : Internal Compiler Error with O2 on .... DPD200574412, Fortran, String evaluation shows garbled value ... DPD200365974, C++, constexpr bug with std::is_same array to pointer ..... DPD200359245, C++, Comparing pointer-to-member functions to the same ...

  5. Serious optimizer bug in current Intel Fortran compilers

    https://software.intel.com/en-us/forums/intel-fortran-compiler-for-linux-and-mac-os-x/topic/270147

    Apr 16, 2010 ... There is an insidious optimizer bug in Intel Fortran compilers, version 8 and later, including the current ones. The bug is sensitive in that moving ...

  6. Consistency of Floating-Point Results using the Intel® Compiler ...

    https://software.intel.com/en-us/articles/consistency-of-floating-point-results-using-the-intel-compiler

    The right compiler options can deliver consistent, closely reproducible results while ... See here for a comparison to Intel® MIC Architecture. ... Intel(R) Fortran Compiler Integration for Microsoft Visual Studio 2005, 10.1.3885.2005 .... Some applications may allocate a variable length string containing the directory name, node ...

  7. Debugger problem with assumed-length CHARACTER dummy ...

    https://software.intel.com/en-us/forums/intel-visual-fortran-compiler-for-windows/topic/535663

    I'm using Intel Fortran Compiler 15, Update 1. ... you now acknowledge as a bug and you can follow up on that with the development team? ... I tried both variants where all foo routines used the symbol String and where each ...

  8. Intel® Parallel Studio XE 2015 Composer Edition Compilers Fixes List

    https://software.intel.com/en-us/articles/intel-composer-xe-2015-compilers-fixes-list

    Aug 8, 2014 ... DPD200371086, Fortran, ifort 15.0/16.0 Internal Compiler Error .... DPD200368969, C++, Compiler bug when using C++11 inherited constructors ... DPD200249634, C, UTF-8 raw string literals gives incorrect result on Windows ...... DPD200141539, C, slower performance comparing to Microsoft Visual ...

  9. Intel® Fortran Compiler 17.0 Developer Guide and Reference | Intel ...

    https://software.intel.com/en-us/intel-fortran-compiler-17.0-user-and-reference-guide

    The following are some important features of the compiler: Getting Started with the Compiler Getting Started explains how to invoke the compiler on the ...

  10. Linux Intel Fortran 2017 Update 1: problem with MPI mod files

    https://software.intel.com/en-us/forums/intel-clusters-and-hpc-technology/topic/702330

    After 2017 Update 1, when compiling I get the error: error #7013: This module ... Here are my environment variables that include the string INTEL: .... Maybe I want to compare the performance of gfortran relative to Intel Fortran. ... MPI does its install and configuration to know if that's a bug or something else.

  11. Intel® Professional Edition Compilers 11.1 Fixes List | Intel® Software

    https://software.intel.com/en-us/articles/intel-professional-edition-compilers-111-fixes-list

    Aug 2, 2012 ... DPD200153347, Fortran, Compiler optimization bug on nested if ... DPD200008231, Fortran, IA64 -O3 cause slowdown when comparing serial run to ...... DPD200137735, C++, C, String layout on Mac OS X* Leopard/Snow ...

  12. Problem with If in combination with and

    https://software.intel.com/en-us/forums/intel-visual-fortran-compiler-for-windows/topic/282534

    In Intel fortran, the statment crashes when INDEX_TEST=0, because the ... than 30 years, it seems, thatonly theintel fortran compilers work like this. .... Exclamation, "Unfold Short-Circuit") End If Dim lhs As String = "" Dim rhs As String .... It is logical that when you have an AND comparison and the term on lhs ...

  13. Converting c-string to Fortran string

    https://software.intel.com/en-us/forums/intel-visual-fortran-compiler-for-windows/topic/392505

    May 13, 2013 ... So to use them in a Fortran program and array of characters has to be ... The code I posted has nothing to do with avoiding compiler bugs and ...

  14. Compilation error #6866: Dotted string is neither a defined operator ...

    https://software.intel.com/en-us/forums/intel-fortran-compiler-for-linux-and-mac-os-x/topic/607373

    Jan 24, 2016 ... First off, my compiler and some platform details: view sourceprint? 1, $ ifort -- version. 2, ifort (IFORT) 16.0.1 20151021 ... Compare .... Obviously I would still like the compiler bug to be fixed, but thanks to FortranFan for the ...

  15. Case-sensitivity in the Fortran compiler

    https://software.intel.com/en-us/forums/intel-visual-fortran-compiler-for-windows/topic/285064

    Im just wondering if there is any way to make the Intel Visual Fortran ... So, is there any way to toggle the case sensitivity on/off in the Intel Fortran Compiler? ... the BIND(C,NAME="string") attribute, is the preferred choice for this. ... We have had bugs in the Win32 API modules and we fix them when we can.

  16. List of Run-Time Error Messages | Intel® Software

    https://software.intel.com/en-us/node/678472

    This section lists the errors processed by the compiler run-time library (RTL). ... Intel® Fortran Compiler 17.0 Developer Guide and Reference .... Comparison of Intel® Visual Fortran and Windows* API Routines · Specifying Consistent ...... An attempt was made to read past the end of an internal file character string or array  ...

  17. index() broken in ifort 8.0

    https://software.intel.com/en-us/forums/intel-fortran-compiler-for-linux-and-mac-os-x/topic/267606

    By comparison, this code on DEC/Compaq/HP Fortran gives 0 and 13 which seems correct. ... Don't know why, but maybe this can help you track down the bug. ... with the Windows and linux compilers, with no change in decoration, with ... less performance, as the string comparison is not expanded in line.

  18. FindFirstFile picks up a "wrong" file name

    https://software.intel.com/en-us/forums/intel-visual-fortran-compiler-for-windows/topic/275423

    For more complete information about compiler optimizations, see our Optimization Notice. ... Do stuff here ! eg index for specific string in file name end do .... the value 1 when comparing 'a' with 'a' rather than the expected 0, ... lot of the FindFirstFile/FindNextFile bugs (it's the first attachment that I have tried).

  19. Dynamic allocation of Fortran strings

    https://software.intel.com/en-us/forums/intel-visual-fortran-compiler-for-windows/topic/287349

    Hi,My compiler version is 11.1.051I'am facing difficulties to allocate fortran ... Is it possible to allocate a single fortran string of deferred length without .... The code above works without complains on Windows with ifort and Linus with ... I tried winding back the code to that date but could not reproduce the bug.

  20. Difference between Fortran 12 and Fortran 15 C++ to Fortran calling?

    https://software.intel.com/en-us/forums/intel-visual-fortran-compiler-for-windows/topic/697150

    Sep 26, 2016 ... Visual Studio 2010 Ultimate Version SP1 with Intel(R) Visual Fortran Intel(R) 64 Compiler XE ... The string length arguments are of type "unsigned int". .... IOW at some point they fixed a bug (and this broke your code). ... I was only comparing the Fortran compiler options, and thus asking the Fortran compiler ...

For more complete information about compiler optimizations, see our Optimization Notice.