gfortran.texi: Added TeX support for document parts...
* gfortran.texi: Added TeX support for document parts; rearranged existing text into "About GNU Fortran", "Invoking GNU Fortran", and "Language Reference" parts. From-SVN: r119981
This commit is contained in:
Brooks Moses
Brooks Moses
parent
04b201a28a
commit
c8cf50e4c1
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@ -1,3 +1,9 @@
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2006-12-16 Brooks Moses <brooks.moses@codesourcery.com>
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* gfortran.texi: Added TeX support for document parts;
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rearranged existing text into "About GNU Fortran",
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"Invoking GNU Fortran", and "Language Reference" parts.
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2006-12-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
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PR fortran/30200
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@ -16,6 +16,45 @@
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@syncodeindex pg cp
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@syncodeindex tp cp
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@c TODO: The following "Part" definitions are included here temporarily
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@c until they are incorporated into the official Texinfo distribution.
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@c They borrow heavily from Texinfo's \unnchapentry definitions.
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@tex
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\gdef\part#1#2{%
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\pchapsepmacro
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\gdef\thischapter{}
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\begingroup
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\vglue\titlepagetopglue
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\titlefonts \rm
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\leftline{Part #1:@* #2}
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\vskip4pt \hrule height 4pt width \hsize \vskip4pt
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\endgroup
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\writetocentry{part}{#2}{#1}
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}
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\gdef\blankpart{%
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\writetocentry{blankpart}{}{}
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}
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% Part TOC-entry definition for summary contents.
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\gdef\dosmallpartentry#1#2#3#4{%
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\vskip .5\baselineskip plus.2\baselineskip
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\begingroup
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\let\rm=\bf \rm
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\tocentry{Part #2: #1}{\doshortpageno\bgroup#4\egroup}
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\endgroup
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}
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\gdef\dosmallblankpartentry#1#2#3#4{%
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\vskip .5\baselineskip plus.2\baselineskip
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}
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% Part TOC-entry definition for regular contents. This has to be
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% equated to an existing entry to not cause problems when the PDF
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% outline is created.
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\gdef\dopartentry#1#2#3#4{%
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\unnchapentry{Part #2: #1}{}{#3}{#4}
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}
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\gdef\doblankpartentry#1#2#3#4{}
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@end tex
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@c %**end of header
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@c Use with @@smallbook.
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@ -94,8 +133,22 @@ Boston, MA 02110-1301, USA@*
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@sp 1
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@insertcopying
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@end titlepage
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@c TODO: The following "Part" definitions are included here temporarily
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@c until they are incorporated into the official Texinfo distribution.
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@tex
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\global\let\partentry=\dosmallpartentry
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\global\let\blankpartentry=\dosmallblankpartentry
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@end tex
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@summarycontents
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@tex
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\global\let\partentry=\dopartentry
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\global\let\blankpartentry=\doblankpartentry
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@end tex
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@contents
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@page
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@node Top
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@ -118,16 +171,23 @@ not accurately reflect the status of the most recent GNU Fortran compiler.
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@comment better formatting.
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@comment
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@menu
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Part I: About GNU Fortran
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* Getting Started:: What you should know about GNU Fortran.
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* GNU Fortran and GCC:: You can compile Fortran, C, or other programs.
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* GNU Fortran and G77:: Why we chose to start from scratch.
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* Invoking GNU Fortran:: Command options supported by @command{gfortran}.
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* Project Status:: Status of GNU Fortran, roadmap, proposed extensions.
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* Contributing:: How you can help.
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* Standards:: Standards supported by GNU Fortran.
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Part II: Invoking GNU Fortran
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* Invoking GNU Fortran:: Command options supported by @command{gfortran}.
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* Runtime:: Influencing runtime behavior with environment variables.
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Part III: Language Reference
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* Fortran 2003 status:: Fortran 2003 features supported by GNU Fortran.
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* Extensions:: Language extensions implemented by GNU Fortran.
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* Intrinsic Procedures:: Intrinsic procedures supported by GNU Fortran.
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* Contributing:: How you can help.
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* Copying:: GNU General Public License says
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how you can copy and share GNU Fortran.
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* GNU Free Documentation License::
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@ -137,6 +197,13 @@ not accurately reflect the status of the most recent GNU Fortran compiler.
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@end menu
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@c =====================================================================
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@c PART I: ABOUT GNU FORTRAN
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@c =====================================================================
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@tex
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\part{I}{About GNU Fortran}
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@end tex
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@c ---------------------------------------------------------------------
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@c Getting Started
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@ -255,7 +322,6 @@ programs will call it for you.
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@end itemize
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@c ---------------------------------------------------------------------
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@c GNU Fortran and GCC
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@c ---------------------------------------------------------------------
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@ -308,7 +374,6 @@ If you build GCC with @command{gfortran}, @command{gcc} will recognize
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command line options.
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@c ---------------------------------------------------------------------
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@c GNU Fortran and G77
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@c ---------------------------------------------------------------------
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@ -349,7 +414,6 @@ because it was expected to be easier to maintain code we
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develop ourselves than to do a major overhaul of @command{g77} first,
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and then build a Fortran 95 compiler out of it.
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@include invoke.texi
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@c ---------------------------------------------------------------------
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@c Project Status
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@ -374,14 +438,6 @@ the GCC homepage in March 18, 2000
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(even though Andy had already been working on it for a while,
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of course).
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@menu
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* Compiler and Library Status::
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* Proposed Extensions::
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@end menu
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@node Compiler and Library Status
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@section Compiler and Library Status
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The GNU Fortran compiler is able to compile nearly all
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standard-compliant Fortran 95, Fortran 90, and Fortran 77 programs,
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including a number of standard and non-standard extensions, and can be
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@ -419,98 +475,39 @@ and the performance of compiled code, and extending the compiler to support
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future standards---in particular, Fortran 2003.
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@node Proposed Extensions
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@section Proposed Extensions
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@c ---------------------------------------------------------------------
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@c Standards
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@c ---------------------------------------------------------------------
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Here's a list of proposed extensions for the GNU Fortran compiler, in no particular
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order. Most of these are necessary to be fully compatible with
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existing Fortran compilers, but they are not part of the official
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J3 Fortran 95 standard.
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@node Standards
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@chapter Standards
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@cindex Standards
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@subsection Compiler extensions:
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@itemize @bullet
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@item
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User-specified alignment rules for structures.
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The GNU Fortran compiler implements
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ISO/IEC 1539:1997 (Fortran 95). As such, it can also compile essentially all
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standard-compliant Fortran 90 and Fortran 77 programs. It also supports
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the ISO/IEC TR-15581 enhancements to allocatable arrays, and
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the @uref{http://www.openmp.org/drupal/mp-documents/spec25.pdf,
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OpenMP Application Program Interface v2.5} specification.
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@item
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Flag to generate @code{Makefile} info.
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@item
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Automatically extend single precision constants to double.
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@item
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Compile code that conserves memory by dynamically allocating common and
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module storage either on stack or heap.
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@item
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Compile flag to generate code for array conformance checking (suggest -CC).
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@item
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User control of symbol names (underscores, etc).
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@item
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Compile setting for maximum size of stack frame size before spilling
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parts to static or heap.
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@item
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Flag to force local variables into static space.
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@item
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Flag to force local variables onto stack.
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@item
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Flag for maximum errors before ending compile.
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@item
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Option to initialize otherwise uninitialized integer and floating
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point variables.
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@end itemize
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In the future, the GNU Fortran compiler may also support other standard
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variants of and extensions to the Fortran language. These include
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ISO/IEC 1539-1:2004 (Fortran 2003).
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@subsection Environment Options
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@itemize @bullet
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@item
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Pluggable library modules for random numbers, linear algebra.
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LA should use BLAS calling conventions.
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@c =====================================================================
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@c PART II: INVOCATION REFERENCE
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@c =====================================================================
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@item
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Environment variables controlling actions on arithmetic exceptions like
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overflow, underflow, precision loss---Generate NaN, abort, default.
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action.
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@tex
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\part{II}{Invoking GNU Fortran}
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@end tex
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@item
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Set precision for fp units that support it (i387).
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@c ---------------------------------------------------------------------
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@c Compiler Options
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@c ---------------------------------------------------------------------
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@item
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Variable for setting fp rounding mode.
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@item
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Variable to fill uninitialized variables with a user-defined bit
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pattern.
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@item
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Environment variable controlling filename that is opened for that unit
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number.
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@item
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Environment variable to clear/trash memory being freed.
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@item
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Environment variable to control tracing of allocations and frees.
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@item
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Environment variable to display allocated memory at normal program end.
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@item
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Environment variable for filename for * IO-unit.
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@item
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Environment variable for temporary file directory.
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@item
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Environment variable forcing standard output to be line buffered (unix).
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@end itemize
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@include invoke.texi
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@c ---------------------------------------------------------------------
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@ -688,6 +685,106 @@ data representation for unformatted files. @xref{Runtime Options}, for
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setting a default data representation for the whole program. The
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@code{CONVERT} specifier overrides the @code{-fconvert} compile options.
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@c =====================================================================
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@c PART III: LANGUAGE REFERENCE
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@c =====================================================================
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@tex
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\part{III}{Language Reference}
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@end tex
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@c ---------------------------------------------------------------------
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@c Fortran 2003 Status
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@c ---------------------------------------------------------------------
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@node Fortran 2003 status
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@chapter Fortran 2003 Status
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Although GNU Fortran focuses on implementing the Fortran 95
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standard for the time being, a few Fortran 2003 features are currently
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available.
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@itemize
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@item
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Intrinsics @code{command_argument_count}, @code{get_command},
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@code{get_command_argument}, @code{get_environment_variable}, and
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@code{move_alloc}.
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@item
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@cindex Array constructors
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@cindex @code{[...]}
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Array constructors using square brackets. That is, @code{[...]} rather
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than @code{(/.../)}.
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@item
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@cindex @code{FLUSH} statement
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@code{FLUSH} statement.
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@item
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@cindex @code{IOMSG=} specifier
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@code{IOMSG=} specifier for I/O statements.
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@item
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@cindex @code{ENUM} statement
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@cindex @code{ENUMERATOR} statement
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@cindex @command{-fshort-enums}
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Support for the declaration of enumeration constants via the
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@code{ENUM} and @code{ENUMERATOR} statements. Interoperability with
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@command{gcc} is guaranteed also for the case where the
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@command{-fshort-enums} command line option is given.
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@item
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@cindex TR 15581
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TR 15581:
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@itemize
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@item
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@cindex @code{ALLOCATABLE} dummy arguments
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@code{ALLOCATABLE} dummy arguments.
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@item
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@cindex @code{ALLOCATABLE} function results
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@code{ALLOCATABLE} function results
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@item
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@cindex @code{ALLOCATABLE} components of derived types
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@code{ALLOCATABLE} components of derived types
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@end itemize
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@item
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@cindex @code{STREAM} I/O
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@cindex @code{ACCESS='STREAM'} I/O
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The @code{OPEN} statement supports the @code{ACCESS='STREAM'} specifier,
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allowing I/O without any record structure.
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@item
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Namelist input/output for internal files.
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@item
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@cindex @code{PROTECTED}
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The @code{PROTECTED} statement and attribute.
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@item
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@cindex @code{VALUE}
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The @code{VALUE} statement and attribute.
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@item
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@cindex @code{VOLATILE}
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The @code{VOLATILE} statement and attribute.
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@item
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@cindex @code{IMPORT}
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The @code{IMPORT} statement, allowing to import
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host-associated derived types.
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@item
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@cindex @code{USE, INTRINSIC}
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@cindex @code{ISO_FORTRAN_ENV}
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@code{USE} statement with @code{INTRINSIC} and @code{NON_INTRINSIC}
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attribute; supported intrinsic modules: @code{ISO_FORTRAN_ENV},
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@code{OMP_LIB} and @code{OMP_LIB_KINDS}.
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@end itemize
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@c ---------------------------------------------------------------------
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@c Extensions
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@c ---------------------------------------------------------------------
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@ -1176,15 +1273,22 @@ For details refer to the actual
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OpenMP Application Program Interface v2.5} specification.
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@c ---------------------------------------------------------------------
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@include intrinsic.texi
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@c Intrinsic Procedures
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@c ---------------------------------------------------------------------
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@include intrinsic.texi
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@tex
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\blankpart
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@end tex
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@c ---------------------------------------------------------------------
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@c Contributing
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@c ---------------------------------------------------------------------
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@node Contributing
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@chapter Contributing
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@unnumbered Contributing
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@cindex Contributing
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Free software is only possible if people contribute to efforts
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@ -1206,6 +1310,7 @@ but they are also things doable by someone who is willing and able.
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@menu
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* Contributors::
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* Projects::
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* Proposed Extensions::
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@end menu
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@ -1300,112 +1405,96 @@ please contact a project maintainer.
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@c TODO: email!
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@c ---------------------------------------------------------------------
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@c Standards
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@c ---------------------------------------------------------------------
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@node Proposed Extensions
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@section Proposed Extensions
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@node Standards
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@chapter Standards
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@cindex Standards
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Here's a list of proposed extensions for the GNU Fortran compiler, in no particular
|
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order. Most of these are necessary to be fully compatible with
|
||||
existing Fortran compilers, but they are not part of the official
|
||||
J3 Fortran 95 standard.
|
||||
|
||||
The GNU Fortran compiler implements
|
||||
ISO/IEC 1539:1997 (Fortran 95). As such, it can also compile essentially all
|
||||
standard-compliant Fortran 90 and Fortran 77 programs. It also supports
|
||||
the ISO/IEC TR-15581 enhancements to allocatable arrays, and
|
||||
the @uref{http://www.openmp.org/drupal/mp-documents/spec25.pdf,
|
||||
OpenMP Application Program Interface v2.5} specification.
|
||||
|
||||
In the future, the GNU Fortran compiler may also support other standard
|
||||
variants of and extensions to the Fortran language. These include
|
||||
ISO/IEC 1539-1:2004 (Fortran 2003).
|
||||
|
||||
@menu
|
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* Fortran 2003 status::
|
||||
@end menu
|
||||
|
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@node Fortran 2003 status
|
||||
@section Fortran 2003 status
|
||||
|
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Although GNU Fortran focuses on implementing the Fortran 95
|
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standard for the time being, a few Fortran 2003 features are currently
|
||||
available.
|
||||
|
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@itemize
|
||||
@item
|
||||
Intrinsics @code{command_argument_count}, @code{get_command},
|
||||
@code{get_command_argument}, @code{get_environment_variable}, and
|
||||
@code{move_alloc}.
|
||||
|
||||
@item
|
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@cindex Array constructors
|
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@cindex @code{[...]}
|
||||
Array constructors using square brackets. That is, @code{[...]} rather
|
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than @code{(/.../)}.
|
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@subsection Compiler extensions:
|
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@itemize @bullet
|
||||
@item
|
||||
User-specified alignment rules for structures.
|
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|
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@item
|
||||
@cindex @code{FLUSH} statement
|
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@code{FLUSH} statement.
|
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Flag to generate @code{Makefile} info.
|
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|
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@item
|
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@cindex @code{IOMSG=} specifier
|
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@code{IOMSG=} specifier for I/O statements.
|
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Automatically extend single precision constants to double.
|
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|
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@item
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@cindex @code{ENUM} statement
|
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@cindex @code{ENUMERATOR} statement
|
||||
@cindex @command{-fshort-enums}
|
||||
Support for the declaration of enumeration constants via the
|
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@code{ENUM} and @code{ENUMERATOR} statements. Interoperability with
|
||||
@command{gcc} is guaranteed also for the case where the
|
||||
@command{-fshort-enums} command line option is given.
|
||||
Compile code that conserves memory by dynamically allocating common and
|
||||
module storage either on stack or heap.
|
||||
|
||||
@item
|
||||
@cindex TR 15581
|
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TR 15581:
|
||||
@itemize
|
||||
Compile flag to generate code for array conformance checking (suggest -CC).
|
||||
|
||||
@item
|
||||
@cindex @code{ALLOCATABLE} dummy arguments
|
||||
@code{ALLOCATABLE} dummy arguments.
|
||||
User control of symbol names (underscores, etc).
|
||||
|
||||
@item
|
||||
@cindex @code{ALLOCATABLE} function results
|
||||
@code{ALLOCATABLE} function results
|
||||
Compile setting for maximum size of stack frame size before spilling
|
||||
parts to static or heap.
|
||||
|
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@item
|
||||
@cindex @code{ALLOCATABLE} components of derived types
|
||||
@code{ALLOCATABLE} components of derived types
|
||||
Flag to force local variables into static space.
|
||||
|
||||
@item
|
||||
Flag to force local variables onto stack.
|
||||
|
||||
@item
|
||||
Flag for maximum errors before ending compile.
|
||||
|
||||
@item
|
||||
Option to initialize otherwise uninitialized integer and floating
|
||||
point variables.
|
||||
@end itemize
|
||||
|
||||
|
||||
@subsection Environment Options
|
||||
@itemize @bullet
|
||||
@item
|
||||
@cindex @code{STREAM} I/O
|
||||
@cindex @code{ACCESS='STREAM'} I/O
|
||||
The @code{OPEN} statement supports the @code{ACCESS='STREAM'} specifier,
|
||||
allowing I/O without any record structure.
|
||||
Pluggable library modules for random numbers, linear algebra.
|
||||
LA should use BLAS calling conventions.
|
||||
|
||||
@item
|
||||
Namelist input/output for internal files.
|
||||
Environment variables controlling actions on arithmetic exceptions like
|
||||
overflow, underflow, precision loss---Generate NaN, abort, default.
|
||||
action.
|
||||
|
||||
@item
|
||||
@cindex @code{PROTECTED}
|
||||
The @code{PROTECTED} statement and attribute.
|
||||
Set precision for fp units that support it (i387).
|
||||
|
||||
@item
|
||||
@cindex @code{VALUE}
|
||||
The @code{VALUE} statement and attribute.
|
||||
Variable for setting fp rounding mode.
|
||||
|
||||
@item
|
||||
@cindex @code{VOLATILE}
|
||||
The @code{VOLATILE} statement and attribute.
|
||||
Variable to fill uninitialized variables with a user-defined bit
|
||||
pattern.
|
||||
|
||||
@item
|
||||
@cindex @code{IMPORT}
|
||||
The @code{IMPORT} statement, allowing to import
|
||||
host-associated derived types.
|
||||
Environment variable controlling filename that is opened for that unit
|
||||
number.
|
||||
|
||||
@item
|
||||
@cindex @code{USE, INTRINSIC}
|
||||
@cindex @code{ISO_FORTRAN_ENV}
|
||||
@code{USE} statement with @code{INTRINSIC} and @code{NON_INTRINSIC}
|
||||
attribute; supported intrinsic modules: @code{ISO_FORTRAN_ENV},
|
||||
@code{OMP_LIB} and @code{OMP_LIB_KINDS}.
|
||||
Environment variable to clear/trash memory being freed.
|
||||
|
||||
@item
|
||||
Environment variable to control tracing of allocations and frees.
|
||||
|
||||
@item
|
||||
Environment variable to display allocated memory at normal program end.
|
||||
|
||||
@item
|
||||
Environment variable for filename for * IO-unit.
|
||||
|
||||
@item
|
||||
Environment variable for temporary file directory.
|
||||
|
||||
@item
|
||||
Environment variable forcing standard output to be line buffered (unix).
|
||||
|
||||
@end itemize
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue