tdm-gcc
TDM-GCC 10.3.0 is now available, along with GDB 10.2, binutils 2.36.1, and new versions of the MinGW.org and MinGW-w64 runtime distributions. Thanks for your patience! Keep reading for download links and change notes. I'm proud to present a new series of TDM-GCC binaries based around GCC 9. It's been a long time coming, but getting back into the groove of delivering a Windows-friendly GCC toolchai
セグメンテーション・フォルト SIGSEGV ã‚„ SIGBUS エラーã®åŽŸå› を特定ã™ã‚‹ | iSUS
ã“ã®è¨˜äº‹ã¯ã€ã‚¤ãƒ³ãƒ†ãƒ«Â® ソフトウェア・ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã«æŽ²è¼‰ã•ã‚Œã¦ã„る「Determining Root Cause of Segmentation Faults SIGSEGV or SIGBUS errorsã€(https://www.intel.com/content/www/us/en/developer/articles/troubleshooting/determining-root-cause-of-sigsegv-or-sigbus-errors.html) ã®æ—¥æœ¬èªžå‚考訳ã§ã™ã€‚ å•é¡Œ: インテル® Fortran コンパイラーã§ã‚³ãƒ¼ãƒ‰ã‚’コンパイルã™ã‚‹ã¨ã€Linux* 㧠‘sigsegv’ (ã¾ãŸã¯ Mac OS* X 㧠‘sigbus’) エラーãŒç™ºç”Ÿã™ã‚‹ã“ã¨ãŒã‚ã‚Šã¾ã™ã€‚ã“ã®ã‚³ãƒ¼ãƒ‰ã¯ã€ä»¥å‰ã®ã‚³ãƒ³ãƒ‘イラー/プラットフォームã§ã¯å•é¡Œãªã動作ã—ã¦ã„ã¾ã—ãŸã€‚インテル® コンパイラ
RFortran
About RFortran RFortran is an open source project with the following aim: To provide an easy to use Fortran software library that enables Fortran programs to transfer data and commands to and from R. Screenshot, click for larger view. Since R is an open source and ever-growing repository of routines for statistical, numerical and graphical analysis, RFortran provides numerous benefits to users, in
Fortranã«ãŠã‘ã‚‹æ•°ã®ç²¾åº¦ã«ã¤ã„㦠- yuo1989ã®æ—¥è¨˜
é¡Œåã®é€šã‚Šï¼ŒFortranã§ã®æ•°ã®ç²¾åº¦ã«ã¤ã„ã¦èª¿ã¹ã¦ã¿ãŸï¼Ž 自分ã§ã¯å®Ÿæ•°ã®æ™‚ã¯ãŸã double precisionã¨ã—ã¦ã„ãŸï¼Žä¸€æ–¹ã§è¤‡ç´ æ•°ã®ã¨ãã«ã¯complex(kind(0d0))ã¨ã—ã¦ã„ãŸãŒï¼Œçµ±ä¸€çš„ãªæ›¸å¼ã§æ›¸ããŸã„ã¨æ€ã£ãŸãŸã‚ã ． reald(8)ã¨complex(8)ã§ã‚‚よã‹ã£ãŸã®ã ãŒï¼Œæ‹¬å¼§ã®æ„味ãŒã‚³ãƒ³ãƒ‘イラã§å¤‰ã‚ã‚‹ã¨ã„ã†ã“ã¨ã‚‚見ã‹ã‘る（å‚考ページ1）ã®ã§ï¼Œkindã®æ„味ã«ã¤ã„ã¦èª¿ã¹ã‚‹ã“ã¨ã«ã—ãŸï¼Ž 使ã†ã®ã¯selected_real_kindã¨ã„ã†ã‚³ãƒžãƒ³ãƒ‰ã§ï¼Œç¬¬1引数ã«æ¡æ•°ï¼Œç¬¬2引数ã«æŒ‡æ•°ç¯„囲を代入ã™ã‚‹ï¼Žåˆ¥ã®ãƒšãƒ¼ã‚¸ã§ç¬¬3引数も見ãŸæ°—ãŒã™ã‚‹ãŒï¼Œã“ã®2ã¤ï¼Œã‚‚ã£ã¨è¨€ãˆã°ç¬¬1引数ã®æ¡æ•°ã®ã¿ã§å分ã ã¨æ€ã†ï¼Ž サンプルプãƒã‚°ãƒ©ãƒ ã¯å‚考ページ3ã®ãれをã„ã˜ã£ãŸæ¬¡ã®ã‚ˆã†ãªã‚‚ã®ï¼ŽãŸã ã²ãŸã™ã‚‰ã«æ§˜ã€…ãªãƒ‘ターンをçªã£è¾¼ã‚“ã§å®Ÿè¡Œã™ã‚‹ã®ã¿ï¼Ž program real_kinds real :: x0 rea
Fortran Wiki
The Fortran Wiki is an open venue for discussing all aspects of the Fortran programming language and scientific computing. See the mission statement for more details. You can edit this website using the Edit Page link at the bottom of each page. Feel free to use the Sandbox to experiment. The HowTo contains more information on getting started. For questions, see Fortran Wiki discussion. News - new
gfortran(1): GNU Fortran compiler - Linux man page
gfortran(1) - Linux man page Name gfortran - GNU Fortran compiler Synopsis gfortran [-c|-S|-E] [-g] [-pg] [-Olevel] [-Wwarn...] [-pedantic] [-Idir...] [-Ldir...] [-Dmacro[=defn]...] [-Umacro] [-foption...] [-mmachine-option...] [-o outfile] infile... Only the most useful options are listed here; see below for the remainder. Description The gfortran command supports all the options supported by the
Makefileã§.modã®ä¾å˜é–¢ä¿‚を上手ã書ã方法 - @author pyridoxin
.modã¨ã¯ Fortranプãƒã‚°ãƒ©ãƒ ã§moduleãŒå«ã¾ã‚Œã‚‹ãƒ•ã‚¡ã‚¤ãƒ«ã‚’コンパイルã™ã‚‹å ´åˆ(モジュールå).modã¨ã„ã†ãƒ•ã‚¡ã‚¤ãƒ«ãŒã§ãる。 .modファイルã¯use文を使ã†ã“ã¨ã§ä»–ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‹ã‚‰ã§ã‚‚å‚ç…§å¯èƒ½ã§ã‚る。 moduleを使ã£ãŸä¾‹(mod.f90) module mod integer ,parameter :: ten=10 end module mod useを使ã£ãŸä¾‹(use.f90) program use use mod write (*,*) ten end program use 上記二ã¤ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’コンパイルã—ã¦å®Ÿè¡Œãƒ•ã‚¡ã‚¤ãƒ«ã‚’ä½œã‚‹å ´åˆã€ä»¥ä¸‹ã®æ“作ãŒè€ƒãˆã‚‰ã‚Œã‚‹ gfortran -c mod.f90 gfortran use.o -J(mod.modãŒã‚るディレクトリ) ä¾å˜é–¢ä¿‚ 上記æ“作ã§æœ€çµ‚çš„ã«ç”Ÿæˆã•ã‚Œã‚‹a.outã®ä¾å˜é–¢ä¿‚を考ãˆã‚‹ã¨ä»¥ä¸‹ã®é€šã‚Šã«ãªã‚‹ a.out→
NaNã§ã‚ã‚‹ã‹ã®åˆ¤å®š - rffbl気象å¦çš„データ解æžãƒ¡ãƒ¢
NaNã§ã‚ã‚‹ã‹ã®åˆ¤å®š 演算ã®çµæžœã¨ã—ã¦ã€æ•°å€¤ã§å®šç¾©ã§ããªã„値ãŒç”Ÿã˜ãŸã¨ãã«NaNãŒå‡ºåŠ›ã•ã‚Œã‚‹ã€‚ 例ãˆã°ã€è² ã®å€¤ã«å¯¾ã™ã‚‹2ä¹—æ ¹ã¯å®šç¾©ã•ã‚Œãªã„。 ã—ã‹ã—ã€NaNãŒç”Ÿã˜ãŸã ã‘ã§ã¯ãƒ—ãƒã‚°ãƒ©ãƒ ã¯ç¶šè¡Œã™ã‚‹ã€‚ 何ã¨ã‹ã€NaNãŒç”Ÿã˜ãŸã¨ã“ã‚ã§ãƒ—ãƒã‚°ãƒ©ãƒ をストップã—ãŸã„。 ãã“ã§ã€NaNãŒç”Ÿã˜ãŸã‹ã©ã†ã‹ã‚’å•ã„åˆã‚ã›ã‚‹é–¢æ•°ã¨ã—㦠isnan関数 ãŒã‚る。 ã—ã‹ã—ã€ã“ã®é–¢æ•°ã¯å«ã¾ã‚Œã¦ã„ãªã„コンパイラもã‚ã‚‹ã®ã§ ãã®å ´åˆã®å¯¾å‡¦æ³•ã‚‚示ã™ã€‚ isnan関数ã«ã‚ˆã‚‹NaNã®åˆ¤å®š (Intel Fortran Compiler (ifort) ã§ä½¿ãˆã¾ã—ãŸ) プãƒã‚°ãƒ©ãƒ 例 PROGRAM test_nan IMPLICIT NONE real :: x x = -1.0 x = sqrt(x) if (isnan(x)) stop 'NaN value' END PROGRAM test_nan isnan関数ãŒãªã„å ´åˆ
ã¯ã¦ãªãƒ–ãƒã‚° | 無料ブãƒã‚°ã‚’作æˆã—よã†
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Masahiro SAWADA - endianã®è¨å®š
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