Intel® Fortran Compiler Classic and Intel® Fortran Compiler Developer Guide and Reference

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Date 7/13/2023
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Document Table of Contents
Document Table of Contents x
Intel® Fortran Compiler Classic and Intel® Fortran Compiler Developer Guide and Reference
Intel® Fortran Compiler Classic and Intel® Fortran Compiler Developer Guide and Reference x
Notices and Important Information Using the Compiler Documentation Intel® Fortran Compiler Classic and Intel® Fortran Compiler Introduction Compiler Setup Compiler Reference Language Reference Compilation Program Structure Optimization and Programming Compatibility and Portability Notices and Disclaimers
Intel® Fortran Compiler Classic and Intel® Fortran Compiler Introduction x
Get Help and Support Related Information
Compiler Setup x
Use the Command Line Use Microsoft Visual Studio
Use the Command Line x
Specify Component Locations Invoke the Compiler Use the Command Line on Windows Run Fortran Applications from the Command Line File Extensions Use Makefiles for Compilation
Use Microsoft Visual Studio x
Use Microsoft Visual Studio* Solution Explorer Create a New Project Perform Common Tasks with Microsoft Visual Studio* Select a Version of the Intel® Fortran Compiler Use Visual Studio* IDE Automation Objects Specify Fortran File Extensions Understand Solutions, Projects, and Configurations Navigate Programmatic Components in a Fortran File Specify Path, Library, and Include Directories Set Compiler Options in the Microsoft Visual Studio* IDE Property Pages Supported Build Macros Use Manifests Use Intel® Libraries with Microsoft Visual Studio* Use Code Coverage in Microsoft Visual Studio* Use Profile Guided Optimization in Microsoft Visual Studio* Use Source Editor Enhancements in Microsoft Visual Studio* Create the Executable Program Convert and Copy Projects About Fortran Project Types Optimization Reports Dialog Box Help
About Fortran Project Types x
Understand Project Types Specify Project Types with ifort Command Options Use Fortran Console Application Projects Use Fortran Standard Graphics Application Projects Use Fortran QuickWin Application Projects Use Fortran Windowing Application Projects Use Fortran Static Library Projects Use Fortran Dynamic-Link Library Projects Use the Console Create Fortran Applications That Use Windows Features
Dialog Box Help x
Options: General dialog box Options: Compilers dialog box Options: Advanced dialog box
Options: Advanced dialog box x
Options: Optimization Reports dialog box Options: Profile Guided Optimization dialog box Profile Guided Optimization dialog box Options: Code Coverage dialog box Code Coverage dialog box Code Coverage Settings dialog box
Compiler Reference x
Compiler Limits Compiler Options Floating-Point Operations Libraries Data and I/O Mixed-Language Programming Error Handling
Compiler Options x
Alphabetical Option List General Rules for Compiler Options What Appears in the Compiler Option Descriptions Optimization Options Code Generation Options Interprocedural Optimization Options Advanced Optimization Options Profile Guided Optimization Options Optimization Report Options Offload Compilation, OpenMP*, and Parallel Processing Options Floating-Point Options Inlining Options Output, Debug, and Precompiled Header Options Preprocessor Options Component Control Options Language Options Data Options Compiler Diagnostic Options Compatibility Options Linking or Linker Options Miscellaneous Options Deprecated and Removed Compiler Options Display Option Information Alternate Compiler Options
Optimization Options x
falias, Oa fast ffnalias, Ow foptimize-sibling-calls fprotect-parens, Qprotect-parens GF nolib-inline O Od Ofast Os Ot
Code Generation Options x
arch ax, Qax fasynchronous-unwind-tables fcf-protection, Qcf-protection fexceptions fomit-frame-pointer, Oy guard hotpatch m, Qm m32, m64, Qm32, Qm64 m80387 march masm mauto-arch, Qauto-arch mbranches-within-32B-boundaries, Qbranches-within-32B-boundaries mconditional-branch, Qconditional-branch minstruction, Qinstruction momit-leaf-frame-pointer mstringop-inline-threshold, Qstringop-inline-threshold mstringop-strategy, Qstringop-strategy mtune, tune Qpatchable-addresses x, Qx xHost, QxHost
Interprocedural Optimization Options x
ffat-lto-objects flto ip, Qip ip-no-inlining, Qip-no-inlining ip-no-pinlining, Qip-no-pinlining ipo, Qipo ipo-c, Qipo-c ipo-jobs, Qipo-jobs ipo-S, Qipo-S ipo-separate, Qipo-separate
Advanced Optimization Options x
ansi-alias, Qansi-alias coarray, Qcoarray coarray-config-file, Qcoarray-config-file coarray-num-images, Qcoarray-num-images complex-limited-range, Qcomplex-limited-range fvec-peel-loops, Qvec-peel-loops fvec-remainder-loops, Qvec-remainder-loops fvec-with-mask, Qvec-with-mask guide, Qguide guide-data-trans, Qguide-data-trans guide-file, Qguide-file guide-file-append, Qguide-file-append guide-opts, Qguide-opts guide-par, Qguide-par guide-vec, Qguide-vec heap-arrays pad, Qpad qmkl, Qmkl qmkl-ilp64, Qmkl-ilp64 qopt-args-in-regs, Qopt-args-in-regs qopt-assume-safe-padding, Qopt-assume-safe-padding qopt-block-factor, Qopt-block-factor qopt-dynamic-align, Qopt-dynamic-align qopt-for-throughput, Qopt-for-throughput qopt-jump-tables, Qopt-jump-tables qopt-malloc-options qopt-matmul, Qopt-matmul qopt-mem-layout-trans, Qopt-mem-layout-trans qopt-multi-version-aggressive, Qopt-multi-version-aggressive qopt-multiple-gather-scatter-by-shuffles, Qopt-multiple-gather-scatter-by-shuffles qopt-prefetch, Qopt-prefetch qopt-prefetch-distance, Qopt-prefetch-distance (ifort only) qopt-prefetch-distance, Qopt-prefetch-distance (ifx only) qopt-prefetch-issue-excl-hint, Qopt-prefetch-issue-excl-hint qopt-prefetch-loads-only, Qopt-prefetch-loads-only qopt-ra-region-strategy, Qopt-ra-region-strategy qopt-streaming-stores, Qopt-streaming-stores qopt-subscript-in-range, Qopt-subscript-in-range qopt-zmm-usage, Qopt-zmm-usage qoverride-limits, Qoverride-limits reentrancy safe-cray-ptr, Qsafe-cray-ptr scalar-rep, Qscalar-rep simd, Qsimd unroll, Qunroll unroll-aggressive, Qunroll-aggressive vec, Qvec vec-guard-write, Qvec-guard-write vec-threshold, Qvec-threshold vecabi, Qvecabi
Profile Guided Optimization Options x
finstrument-functions, Qinstrument-functions fnsplit, Qfnsplit p prof-data-order, Qprof-data-order prof-dir, Qprof-dir prof-file, Qprof-file prof-func-groups prof-func-order, Qprof-func-order prof-gen, Qprof-gen prof-hotness-threshold, Qprof-hotness-threshold prof-src-dir, Qprof-src-dir prof-src-root, Qprof-src-root prof-src-root-cwd, Qprof-src-root-cwd prof-use, Qprof-use prof-value-profiling, Qprof-value-profiling Qcov-dir Qcov-file Qcov-gen
Optimization Report Options x
qopt-report, Qopt-report (ifort only) qopt-report, Qopt-report (ifx only) qopt-report-annotate, Qopt-report-annotate qopt-report-annotate-position, Qopt-report-annotate-position qopt-report-embed, Qopt-report-embed qopt-report-file, Qopt-report-file qopt-report-filter, Qopt-report-filter qopt-report-format, Qopt-report-format qopt-report-help, Qopt-report-help qopt-report-names, Qopt-report-names qopt-report-per-object, Qopt-report-per-object qopt-report-phase, Qopt-report-phase qopt-report-routine, Qopt-report-routine tcollect, Qtcollect tcollect-filter, Qtcollect-filter
Offload Compilation, OpenMP*, and Parallel Processing Options x
device-math-lib fiopenmp, Qiopenmp fmpc-privatize fopenmp fopenmp-declare-target-scalar-defaultmap, Qopenmp-declare-target-scalar-defaultmap fopenmp-default-allocator, Qopenmp-default-allocator fopenmp-device-lib fopenmp-target-buffers, Qopenmp-target-buffers fopenmp-target-do-concurrent, Qopenmp-target-do-concurrent fopenmp-targets, Qopenmp-targets fsycl fsycl-dead-args-optimization fsycl-device-code-split fsycl-device-lib fsycl-instrument-device-code fsycl-link-huge-device-code ftarget-compile-fast nolibsycl par-affinity, Qpar-affinity par-num-threads, Qpar-num-threads par-runtime-control, Qpar-runtime-control par-schedule, Qpar-schedule par-threshold, Qpar-threshold parallel, Qparallel parallel-source-info, Qparallel-source-info qopenmp, Qopenmp qopenmp-lib, Qopenmp-lib qopenmp-link qopenmp-simd, Qopenmp-simd qopenmp-stubs, Qopenmp-stubs qopenmp-threadprivate, Qopenmp-threadprivate Qpar-adjust-stack Xopenmp-target
Floating-Point Options x
fast-transcendentals, Qfast-transcendentals fimf-absolute-error, Qimf-absolute-error fimf-accuracy-bits, Qimf-accuracy-bits fimf-arch-consistency, Qimf-arch-consistency fimf-domain-exclusion, Qimf-domain-exclusion fimf-force-dynamic-target, Qimf-force-dynamic-target fimf-max-error, Qimf-max-error fimf-precision, Qimf-precision fimf-use-svml, Qimf-use-svml fltconsistency fma, Qfma fp-model, fp fp-port, Qfp-port fp-speculation, Qfp-speculation fp-stack-check, Qfp-stack-check fpe fpe-all ftz, Qftz Ge mp1, Qprec pc, Qpc prec-div, Qprec-div prec-sqrt, Qprec-sqrt qsimd-honor-fp-model, Qsimd-honor-fp-model qsimd-serialize-fp-reduction, Qsimd-serialize-fp-reduction rcd, Qrcd recursive
Inlining Options x
finline finline-functions finline-limit inline inline-factor, Qinline-factor inline-forceinline, Qinline-forceinline inline-level, Ob inline-max-per-compile, Qinline-max-per-compile inline-max-per-routine, Qinline-max-per-routine inline-max-size, Qinline-max-size inline-max-total-size, Qinline-max-total-size inline-min-caller-growth, Qinline-min-caller-growth inline-min-size, Qinline-min-size Qinline-dllimport
Output, Debug, and Precompiled Header Options x
bintext c debug (Linux* and macOS) debug (Windows*) debug-parameters exe Fa FA fcode-asm Fd feliminate-unused-debug-types, Qeliminate-unused-debug-types fmerge-constants fmerge-debug-strings fsource-asm ftrapuv, Qtrapuv fverbose-asm g gdwarf grecord-gcc-switches gsplit-dwarf list list-line-len list-page-len map-opts, Qmap-opts o object pdbfile print-multi-lib Quse-msasm-symbols S show use-asm, Quse-asm Zi, Z7 Zo
Preprocessor Options x
B D d-lines, Qd-lines E EP fpp fpp-name gen-dep gen-depformat gen-depshow I idirafter isystem module preprocess-only u (Windows*) U undef X
Component Control Options x
Qinstall Qlocation Qoption
Language Options x
allow altparam assume ccdefault check extend-source fixed free iface names pad-source, Qpad-source stand standard-realloc-lhs standard-semantics syntax-only wrap-margin
Data Options x
align auto auto-scalar, Qauto-scalar convert double-size dyncom, Qdyncom falign-functions, Qfnalign falign-loops, Qalign-loops falign-stack fcommon fkeep-static-consts, Qkeep-static-consts fmath-errno fminshared fpconstant fpic fpie fstack-protector fstack-security-check fvisibility fzero-initialized-in-bss, Qzero-initialized-in-bss Gs GS homeparams init, Qinit intconstant integer-size mcmodel mdynamic-no-pic no-bss-init, Qnobss-init Qsfalign real-size save, Qsave zero, Qzero
Compiler Diagnostic Options x
diag, Qdiag diag-dump, Qdiag-dump diag-error-limit, Qdiag-error-limit diag-file, Qdiag-file diag-file-append, Qdiag-file-append diag-id-numbers, Qdiag-id-numbers diag-once, Qdiag-once gen-interfaces traceback warn WB Winline
Compatibility Options x
f66 f77rtl fpscomp gcc-name gxx-name Qvc vms
Linking or Linker Options x
4Nportlib, 4Yportlib Bdynamic Bstatic Bsymbolic Bsymbolic-functions cxxlib dbglibs dll dynamic-linker dynamiclib extlnk F (Windows*) F (macOS) fuse-ld l L libs link map MD MDs MT nodefaultlibs nofor-main no-intel-lib, Qno-intel-lib nostartfiles nostdlib pie pthread shared shared-intel shared-libgcc static static-intel static-libgcc static-libstdc++ staticlib T threads v Wa winapp Wl Wp Xlinker
Miscellaneous Options x
bigobj dryrun dumpmachine extfor extfpp global-hoist, Qglobal-hoist help intel-freestanding intel-freestanding-target-os libdir logo multiple-processes, MP save-temps, Qsave-temps sox sysroot Tf watch what
Floating-Point Operations x
Programming Tradeoffs in Floating-Point Applications Floating-Point Optimizations Use the -fp-model, /fp Option Subnormal Numbers Floating-Point Environment Set the FTZ and DAZ Flags Check the Floating-Point Stack State Tuning Performance
Libraries x
Create Static Libraries Create Shared Libraries on Linux and macOS Use Shared Libraries on macOS Call Library Routines Comparison of Intel® Visual Fortran and Windows API Routines Specify Consistent Library Types on Windows Redistribute Libraries When Deploying Applications Resolve References to Shared Libraries Store Object Code in Static Libraries Store Routines in Shareable Libraries Use Windows API Routines Math Libraries
Use Windows API Routines x
Include the Intel® Visual Fortran Interface Definitions for Windows API Routines Call Windows API Routines Supplied Windows API Modules
Data and I/O x
Data Representation Fortran I/O
Data Representation x
Integer Data Representations Logical Data Representations Character Representation Hollerith Representation
Integer Data Representations x
INTEGER(KIND=1) Representation INTEGER(KIND=2) Representation INTEGER(KIND=4) Representation INTEGER(KIND=8) Representation
Fortran I/O x
Logical Devices Physical Devices on Windows Types of I/O Statements Forms of I/O Statements Assign Files to Logical Units File Organization Internal Files and Scratch Files File Access and File Structure File Records Record Types Record Length Record Access Record Transfer Specify Default Pathnames and File Names Open Files: OPEN Statement Obtain File Information: INQUIRE Statement Close Files: CLOSE Statement Record I/O Statement Specifiers File Sharing on Linux and macOS Specify the Initial Record Position Advancing and Nonadvancing Record I/O Use USEROPEN to Pass Control To a Routine Microsoft Fortran PowerStation Compatible Files Use Asynchronous I/O
Mixed-Language Programming x
Standard Fortran and C Interoperability Use Standard Fortran Interoperability Syntax for Existing Fortran Extensions Standard Tools for Interoperability Platform Specifics Implementation Specifics Legacy Extensions
Standard Tools for Interoperability x
ISO_C_BINDING BIND(C) Interoperate with Arguments Using C Descriptors C Structures, Typedefs, and Macros for Interoperability Data Types Variables Global Data Procedures
Data Types x
Scalar Types Characters Pointers Derived Types
Platform Specifics x
Mixed-Language Issues Call Subprograms from the Main Program on Windows Pass Arguments in Mixed-Language Programming Stack Considerations in Calling Conventions on Windows Naming Conventions C/C++ Naming Conventions Compile and Link Intel® Fortran and C Programs Build Intel® Fortran and C Mixed-Language Programs on Windows
Implementation Specifics x
Fortran Module Naming Conventions Handle Fortran Array Pointers and Allocatable Arrays Handle Fortran Array Descriptors Return Character Data Types
Legacy Extensions x
ATTRIBUTES Directive Options ALIAS Option for ATTRIBUTES Directive Use the -nofor-main Compiler Option
Error Handling x
Build Process Errors Runtime Errors
Runtime Errors x
Understand Runtime Errors Runtime Default Error Processing Runtime Message Display and Format Values Returned at Program Termination Methods of Handling Errors Locate Runtime Errors List of Runtime Error Messages Signal Handling on Linux* and macOS Override the Default Runtime Library Exception Handler Advanced Exception and Termination Handling
Advanced Exception and Termination Handling x
Default Exception Handling Default Console Event Handling Default Termination Handling Handlers for the Application Types Provide Your Own Exception or Termination Handler Use Windows* Structured Exception Handling Establish Console Event Handlers Use SIGNALQQ
Language Reference x
New Language Features New Features for ifx Language Reference Conventions Program Elements and Source Forms Data Types, Constants, and Variables Expressions and Assignment Statements Specification Statements Dynamic Allocation Execution Control Program Units and Procedures Intrinsic Procedures Data Transfer I/O Statements I/O Formatting File Operation I/O Statements Compilation Control Lines and Statements Directive Enhanced Compilation Scope and Association Deleted and Obsolescent Language Features Additional Language Features Additional Character Sets Data Representation Models Library Modules and Runtime Library Routines Summary of Language Extensions A to Z Reference Glossary
Program Elements and Source Forms x
Program Units Statements Keywords Names Character Sets Source Forms
Source Forms x
Free Source Form Fixed and Tab Source Forms Source Code Useable for All Source Forms
Fixed and Tab Source Forms x
Fixed-Format Lines Tab-Format Lines
Data Types, Constants, and Variables x
Intrinsic Data Types Derived Data Types Binary, Octal, Hexadecimal, and Hollerith Constants Enumerations and Enumerators Variables
Intrinsic Data Types x
Integer Data Types Real Data Types Complex Data Types Logical Data Types Character Data Type
Integer Data Types x
Integer Constants
Real Data Types x
General Rules for Real Constants REAL(4) Constants REAL(8) or DOUBLE PRECISION Constants REAL(16) Constants
Complex Data Types x
General Rules for Complex Constants COMPLEX(4) Constants COMPLEX(8) or DOUBLE COMPLEX Constants COMPLEX(16) Constants
Logical Data Types x
Logical Constants
Character Data Type x
Character Constants C Strings in Character Constants Character Substrings
Derived Data Types x
Default Initialization Procedure Pointers as Derived-Type Components Type-Bound Procedures Type Extension Parameterized Derived-Type Declarations Structure Components Structure Constructors
Parameterized Derived-Type Declarations x
Parameterized TYPE Statements
Parameterized TYPE Statements x
Structure Constructors for Parameterized Derived Types Type Parameter Order for Parameterized Derived Types Deferred-Length Type Parameters for Parameterized Derived Types Assumed-Length Type Parameters for Parameterized Derived Types
Binary, Octal, Hexadecimal, and Hollerith Constants x
Binary Constants Octal Constants Hexadecimal Constants Hollerith Constants Determine the Data Type of Nondecimal Constants
Variables x
Data Types of Scalar Variables Arrays Coarrays Variable-Definition Context
Data Types of Scalar Variables x
Specification of Data Type Implicit Typing Rules
Arrays x
Whole Arrays Array Elements Array Sections Array Constructors
Array Sections x
Subscript Triplets Vector Subscripts
Coarrays x
Image Selectors Established Coarrays Deferred-Coshape Coarrays Explicit-Coshape Coarrays Reference Coarray Images Specify Data Objects for Coarray Images
Expressions and Assignment Statements x
Expressions Assignments
Expressions x
Numeric Expressions Character Expressions Relational Expressions Logical Expressions Defined Operations Summary of Operator Precedence Constant and Specification Expressions
Numeric Expressions x
Parentheses in Numeric Expressions Data Type of Numeric Expressions
Constant and Specification Expressions x
Constant Expressions Specification Expressions
Assignments x
Intrinsic Assignment Statements Defined Assignment Statements Pointer Assignments
Intrinsic Assignment Statements x
Numeric Assignment Statements Logical Assignment Statements Character Assignment Statements Derived-Type Assignment Statements Array Assignment Statements Examples of Intrinsic Assignment to Polymorphic Variables
Specification Statements x
Type Declarations Effects of Equivalency and Interaction with COMMON Statements
Type Declarations x
Declarations for Noncharacter Types Declarations for Character Types Declarations for Derived Types Declarations for Arrays
Declarations for Arrays x
Explicit-Shape Specifications Assumed-Shape Specifications Assumed-Size Specifications Assumed-Rank Specifications Deferred-Shape Specifications Implied-Shape Specifications
Effects of Equivalency and Interaction with COMMON Statements x
Make Arrays Equivalent Make Substrings Equivalent EQUIVALENCE and COMMON Interaction
Dynamic Allocation x
Effects of Allocation Effects of Deallocation
Effects of Allocation x
Allocation of Allocatable Variables Allocation of Allocatable Arrays Allocation of Pointer Targets
Effects of Deallocation x
Deallocation of Allocatable Variables Deallocation of Allocatable Arrays Deallocation of Pointer Targets
Execution Control x
Program Termination Branch Statements Overview Effects of DO Constructs Image Control Statements
Effects of DO Constructs x
Iteration Loop Control Nested DO Constructs Extended Range
Image Control Statements x
STAT= and ERRMSG= Specifiers in Image Control Statements Execution Segments for Images
Program Units and Procedures x
Main Program Procedure Characteristics Modules and Module Procedures Intrinsic Modules Block Data Program Units Overview Functions, Subroutines, and Statement Functions External Procedures Internal Procedures Argument Association in Procedures Procedure Interfaces Interoperability of Procedures and Procedure Interfaces Procedure Pointers
Modules and Module Procedures x
Separate Module Procedures
Intrinsic Modules x
ISO_C_BINDING Module ISO_FORTRAN_ENV Module IEEE Intrinsic Modules and Procedures
ISO_C_BINDING Module x
Named Constants in the ISO_C_BINDING Module Intrinsic Module Procedures - ISO_C_BINDING
ISO_FORTRAN_ENV Module x
Named Constants in the ISO_FORTRAN_ENV Module Derived Types in the ISO_FORTRAN_ENV Module Intrinsic Module Procedures - ISO_FORTRAN_ENV
IEEE Intrinsic Modules and Procedures x
IEEE_ARITHMETIC Intrinsic Module IEEE_EXCEPTIONS Intrinsic Module IEEE_FEATURES Intrinsic Module IEEE Intrinsic Modules Quick Reference Tables
Functions, Subroutines, and Statement Functions x
General Rules for Function and Subroutine Subprograms Functions Overview Subroutines Overview Statement Functions Overview Entry Points in Subprograms
General Rules for Function and Subroutine Subprograms x
Recursive Procedures Pure Procedures Impure Procedures Elemental Procedures
Functions Overview x
RESULT Keyword Overview Function References
Entry Points in Subprograms x
Entry Points in Function Subprograms Entry Points in Subroutine Subprograms
Argument Association in Procedures x
Optional Arguments Array Arguments Pointer Arguments Passed-Object Dummy Arguments Assumed-Length Character Arguments Character Constant and Hollerith Arguments Alternate Return Arguments Dummy Procedure Arguments Coarray Dummy Arguments References to Generic Procedures References to Non-Fortran Procedures
References to Generic Procedures x
References to Generic Intrinsic Functions References to Elemental Intrinsic Procedures
Procedure Interfaces x
Procedures that Require Explicit Interfaces Explicit and Abstract Interfaces Define Generic Names for Procedures Define Generic Operators Define Generic Assignment
Intrinsic Procedures x
Argument Keywords in Intrinsic Procedures Overview of Atomic Subroutines Overview of Collective Subroutines Overview of Bit Functions Categories and Lists of Intrinsic Procedures
Categories and Lists of Intrinsic Procedures x
Categories of Intrinsic Functions Intrinsic Subroutines
Data Transfer I/O Statements x
Records and Files Components of Data Transfer Statements Forms for READ Statements Forms for WRITE Statements User-Defined Derived-Type I/O
Components of Data Transfer Statements x
I/O Control List I/O Lists
I/O Control List x
Unit Specifier (UNIT=) Format Specifier (FMT=) Namelist Specifier (NML=) Record Specifier (REC=) I/O Status Specifier (IOSTAT=) Branch Specifiers (END=, EOR=, ERR=) Advance Specifier (ADVANCE=) Asynchronous Specifier (ASYNCHRONOUS=) Character Count Specifier (SIZE=) ID Specifier (ID=) POS Specifier (POS=) I/O Message Specifier (IOMSG=)
I/O Lists x
Simple List Items in I/O Lists Implied-DO Lists in I/O Lists
Forms for READ Statements x
Forms for Sequential READ Statements Forms for Direct-Access READ Statements Forms for Stream READ Statements Forms and Rules for Internal READ Statements
Forms for Sequential READ Statements x
Rules for Formatted Sequential READ Statements Rules for List-Directed Sequential READ Statements Rules for Namelist Sequential READ Statements Rules for Unformatted Sequential READ Statements
Forms for Direct-Access READ Statements x
Rules for Formatted Direct-Access READ Statements Rules for Unformatted Direct-Access READ Statements
Forms for WRITE Statements x
Forms for Sequential WRITE Statements Forms for Direct-Access WRITE Statements Forms for Stream WRITE Statements Forms and Rules for Internal WRITE Statements
Forms for Sequential WRITE Statements x
Rules for Formatted Sequential WRITE Statements Rules for List-Directed Sequential WRITE Statements Rules for Namelist Sequential WRITE Statements Rules for Unformatted Sequential WRITE Statements
Forms for Direct-Access WRITE Statements x
Rules for Formatted Direct-Access WRITE Statements Rules for Unformatted Direct-Access WRITE Statements
User-Defined Derived-Type I/O x
Specify the User-Defined Derived Type Examples of User-Defined Derived-Type I/O
Specify the User-Defined Derived Type x
DT Edit Descriptor in User-Defined I/O Associate a Procedure with Defined I/O Characteristics of Defined I/O Procedures Defined I/O Data Transfers Resolve Defined I/O Procedure References Recursive Defined I/O
Associate a Procedure with Defined I/O x
Defined I/O Procedures Generic Bindings Generic Interface Block
I/O Formatting x
Format Specifications Data Edit Descriptors Control Edit Descriptors Character String Edit Descriptors Nested and Group Repeat Specifications Variable Format Expressions Print Formatted Records Interaction Between Format Specifications and I/O Lists
Data Edit Descriptors x
Forms for Data Edit Descriptors General Rules for Numeric Editing Integer Editing Real and Complex Editing Logical Editing (L) Character Editing (A) Defined I/O Editing (DT) Default Widths for Data Edit Descriptors Terminating Short Fields of Input Data
Integer Editing x
I Editing B Editing O Editing Z Editing
Real and Complex Editing x
F Editing E and D Editing EN Editing ES Editing EX Editing G Editing Complex Editing
Control Edit Descriptors x
Forms for Control Edit Descriptors Positional Editing Sign Editing Blank Editing Round Editing Decimal Editing Scale-Factor Editing (P) Slash Editing ( / ) Colon Editing (:) Dollar-Sign ($) and Backslash ( \\ ) Editing Character Count Editing (Q)
Positional Editing x
T Editing TL Editing TR Editing X Editing
Sign Editing x
SP Editing SS Editing S Editing
Blank Editing x
BN Editing BZ Editing
Round Editing x
RU Editing RD Editing RZ Editing RN Editing RC Editing RP Editing
Decimal Editing x
DC Editing DP Editing
Character String Edit Descriptors x
Character Constant Editing H Editing
File Operation I/O Statements x
INQUIRE Statement Specifiers OPEN Statement Specifiers
INQUIRE Statement Specifiers x
INQUIRE: ACCESS Specifier INQUIRE: ACTION Specifier INQUIRE: ASYNCHRONOUS Specifier INQUIRE: BINARY Specifier INQUIRE: BLANK Specifier INQUIRE: BLOCKSIZE Specifier INQUIRE: BUFFERED Specifier INQUIRE: CARRIAGECONTROL Specifier INQUIRE: CONVERT Specifier INQUIRE: DECIMAL Specifier INQUIRE: DELIM Specifier INQUIRE: DIRECT Specifier INQUIRE: ENCODING Specifier INQUIRE: EXIST Specifier INQUIRE: FORM Specifier INQUIRE: FORMATTED Specifier INQUIRE: IOFOCUS Specifier INQUIRE: MODE Specifier INQUIRE: NAME Specifier INQUIRE: NAMED Specifier INQUIRE: NEXTREC Specifier INQUIRE: NUMBER Specifier INQUIRE: OPENED Specifier INQUIRE: ORGANIZATION Specifier INQUIRE: PAD Specifier INQUIRE: PENDING Specifier INQUIRE: POS Specifier INQUIRE: POSITION Specifier INQUIRE: READ Specifier INQUIRE: READWRITE Specifier INQUIRE: RECL Specifier INQUIRE: RECORDTYPE Specifier INQUIRE: ROUND Specifier INQUIRE: SEQUENTIAL Specifier INQUIRE: SHARE Specifier INQUIRE: SIGN Specifier INQUIRE: SIZE Specifier INQUIRE: UNFORMATTED Specifier INQUIRE: WRITE Specifier
OPEN Statement Specifiers x
OPEN: ACCESS Specifier OPEN: ACTION Specifier OPEN: ASSOCIATEVARIABLE Specifier OPEN: ASYNCHRONOUS Specifier OPEN: BLANK Specifier OPEN: BLOCKSIZE Specifier OPEN: BUFFERCOUNT Specifier OPEN: BUFFERED Specifier OPEN: CARRIAGECONTROL Specifier OPEN: CONVERT Specifier OPEN: DECIMAL Specifier OPEN: DEFAULTFILE Specifier OPEN: DELIM Specifier OPEN: DISPOSE Specifier OPEN: ENCODING Specifier OPEN: FILE Specifier OPEN: FORM Specifier OPEN: IOFOCUS Specifier OPEN: MAXREC Specifier OPEN: MODE Specifier OPEN: NAME Specifier OPEN: NEWUNIT Specifier OPEN: NOSHARED Specifier OPEN: ORGANIZATION Specifier OPEN: PAD Specifier OPEN: POSITION Specifier OPEN: READONLY Specifier OPEN: RECL Specifier OPEN: RECORDSIZE Specifier OPEN: RECORDTYPE Specifier OPEN: ROUND Specifier OPEN: SHARE Specifier OPEN: SHARED Specifier OPEN: SIGN Specifier OPEN: STATUS Specifier OPEN: TITLE Specifier OPEN: TYPE Specifier OPEN: USEROPEN Specifier
Directive Enhanced Compilation x
Syntax Rules for Compiler Directives General Compiler Directives OpenMP* Fortran Compiler Directives Equivalent Compiler Options
General Compiler Directives x
Rules for Placement of Directives Rules for General Directives that Affect DO Loops Rules for Loop Directives that Affect Array Assignment Statements
OpenMP* Fortran Compiler Directives x
Clauses Used in Multiple OpenMP* Fortran Directives Conditional Compilation Rules Rules for Nesting and Binding
Scope and Association x
Scope Unambiguous Generic Procedure References Resolve Procedure References Association
Resolve Procedure References x