Order Number: AA-Q66SD-TK
September 1999
This manual contains the complete description of the Compaq Fortran (formerly DIGITAL Fortran) programming language, which includes Fortran 95, Fortran 90, and High Performance Fortran. It contains information on language syntax and semantics, on adherence to various Fortran standards, and on extensions to those standards.
| Revision /Update Information | This revised manual supersedes all previous DIGITAL Fortran and DEC Fortran 90 language reference manuals. |
Compaq Computer Corporation
Houston, Texas
© 2001 Compaq Computer Corporation
1 Overview
1.5 High Performance Fortran Features
2 Program Structure, Characters, and Source Forms
2.1.2 Names
2.3 Source Forms
2.3.2 Fixed and Tab Source Forms
2.3.2.2 Tab-Format Lines
3 Data Types, Constants, and Variables
3.1.2 Real Data Types
3.1.2.2 REAL(4) Constants
3.1.2.3 REAL(8) or DOUBLE PRECISION Constants
3.1.2.4 REAL(16) Constants (VMS, U*X)
3.1.3.2 COMPLEX(4) Constants
3.1.3.3 COMPLEX(8) or DOUBLE COMPLEX Constants
3.1.3.4 COMPLEX(16) Constants (VMS, U*X)
3.1.5 Character Data Type
3.1.5.2 Character Substrings
3.2.2 Default Initialization
3.2.3 Structure Components
3.2.4 Structure Constructors
3.3.2 Octal Constants
3.3.3 Hexadecimal Constants
3.3.4 Hollerith Constants
3.3.5 Determining the Data Type of Nondecimal Constants
3.4.1.2 Implicit Typing Rules
3.4.2.2 Array Elements
3.4.2.3 Array Sections
3.4.2.4 Array Constructors
3.4.2.5 Data Mapping of Arrays (TU*X only)
4 Expressions and Assignment Statements
4.1.1.2 Data Type of Numeric Expressions
4.1.3 Relational Expressions
4.1.4 Logical Expressions
4.1.5 Defined Operations
4.1.6 Summary of Operator Precedence
4.1.7 Initialization and Specification Expressions
4.1.7.2 Specification Expressions
4.2.1.2 Logical Assignment Statements
4.2.1.3 Character Assignment Statements
4.2.1.4 Derived-Type Assignment Statements
4.2.1.5 Array Assignment Statements
4.2.3 Pointer Assignments
4.2.4 WHERE Statement and Construct
4.2.5 FORALL Statement and Construct
5.1.2 Declaration Statements for Character Types
5.1.3 Declaration Statements for Derived Types
5.1.4 Declaration Statements for Arrays
5.1.4.2 Assumed-Shape Specifications
5.1.4.3 Assumed-Size Specifications
5.1.4.4 Deferred-Shape Specifications
5.3 AUTOMATIC and STATIC Attributes and Statements
5.4 COMMON Statement
5.5 DATA Statement
5.6 DIMENSION Attribute and Statement
5.7.2 Making Substrings Equivalent
5.7.3 EQUIVALENCE and COMMON Interaction
5.10 INTENT Attribute and Statement
5.11 INTRINSIC Attribute and Statement
5.12 NAMELIST Statement
5.13 OPTIONAL Attribute and Statement
5.14 PARAMETER Attribute and Statement
5.15 POINTER Attribute and Statement
5.16 PRIVATE and PUBLIC Attributes and Statements
5.17 SAVE Attribute and Statement
5.18 TARGET Attribute and Statement
5.19 VOLATILE Attribute and Statement
6.1.2 Allocation of Pointer Targets
6.2.2 Deallocation of Pointer Targets
7.1.2 Computed GO TO Statement
7.1.3 The ASSIGN and Assigned GO TO Statements
7.1.3.2 Assigned GO TO Statement
7.3 CASE Construct
7.5 DO Constructs
7.5.2 Execution of DO Constructs
7.5.2.2 Nested DO Constructs
7.5.2.3 Extended Range
7.5.4 CYCLE Statement
7.5.5 EXIT Statement
7.7 IF Construct and Statement
7.7.2 IF Statement
7.9 RETURN Statement
7.10 STOP Statement
8 Program Units and Procedures
8.2 High Performance Fortran Prefixes for Program Units
8.3 Modules and Module Procedures
8.3.2 USE Statement
8.5 Functions, Subroutines, and Statement Functions
8.5.1.2 Pure Procedures
8.5.1.3 Elemental Procedures
8.5.2.2 Function References
8.5.4 Statement Functions
8.8.2 Array Arguments
8.8.3 Pointer Arguments
8.8.4 Assumed-Length Character Arguments
8.8.5 Character Constant and Hollerith Arguments
8.8.6 Alternate Return Arguments
8.8.7 Dummy Procedure Arguments
8.8.8 References to Generic Procedures
8.8.8.2 References to Elemental Intrinsic Procedures
8.8.9.2 %LOC Function
8.9.2 Defining Explicit Interfaces
8.9.3 Defining Generic Names for Procedures
8.9.4 Defining Generic Operators
8.9.5 Defining Generic Assignment
8.11 ENTRY Statement
8.11.2 ENTRY Statements in Subroutine Subprograms
9.2 Overview of Intrinsic Procedures
9.2.2 Intrinsic Subroutines
9.2.3 Bit Functions
9.3.2 ACHAR (I)
9.3.3 ACOS (X)
9.3.4 ACOSD (X)
9.3.5 ADJUSTL (STRING)
9.3.6 ADJUSTR (STRING)
9.3.7 AIMAG (Z)
9.3.8 AINT (A [,KIND])
9.3.9 ALL (MASK [,DIM])
9.3.10 ALLOCATED (ARRAY)
9.3.11 ANINT (A [,KIND])
9.3.12 ANY (MASK [,DIM])
9.3.13 ASIN (X)
9.3.14 ASIND (X)
9.3.15 ASM (STRING [,A,...]) (Alpha only)
9.3.16 ASSOCIATED (POINTER [,TARGET])
9.3.17 ATAN (X)
9.3.18 ATAND (X)
9.3.19 ATAN2 (Y, X)
9.3.20 ATAN2D (Y, X)
9.3.21 BIT_SIZE (I)
9.3.22 BTEST (I, POS)
9.3.23 CEILING (A [, KIND])
9.3.24 CHAR (I [,KIND])
9.3.25 CMPLX (X [,Y] [,KIND])
9.3.26 CONJG (Z)
9.3.27 COS (X)
9.3.28 COSD (X)
9.3.29 COSH (X)
9.3.30 COTAN (X)
9.3.31 COTAND (X)
9.3.32 COUNT (MASK [,DIM])
9.3.33 CPU_TIME (TIME)
9.3.34 CSHIFT (ARRAY, SHIFT [,DIM])
9.3.35 DATE (BUF)
9.3.36 DATE_AND_TIME ([DATE] [,TIME] [,ZONE] [,VALUES])
9.3.37 DBLE (A)
9.3.38 DCMPLX (X [,Y])
9.3.39 DFLOAT (A)
9.3.40 DIGITS (X)
9.3.41 DIM (X, Y)
9.3.42 DOT_PRODUCT (VECTOR_A, VECTOR_B)
9.3.43 DPROD (X, Y)
9.3.44 DREAL (A)
9.3.45 EOF (A)
9.3.46 EOSHIFT (ARRAY, SHIFT [,BOUNDARY] [,DIM])
9.3.47 EPSILON (X)
9.3.48 ERRSNS ([IO_ERR] [,SYS_ERR] [,STAT] [,UNIT] [,COND])
9.3.49 EXIT ([STATUS])
9.3.50 EXP (X)
9.3.51 EXPONENT (X)
9.3.52 FLOOR (A [, KIND])
9.3.53 FP_CLASS (X)
9.3.54 FRACTION (X)
9.3.55 FREE (A)
9.3.56 HUGE (X)
9.3.57 IACHAR (C)
9.3.58 IAND (I, J)
9.3.59 IARGCOUNT ( ) (VMS only)
9.3.60 IARGPTR ( )
9.3.61 IBCHNG (I, POS)
9.3.62 IBCLR (I, POS)
9.3.63 IBITS (I, POS, LEN)
9.3.64 IBSET (I, POS)
9.3.65 ICHAR (C)
9.3.66 IDATE (I, J, K)
9.3.67 IEOR (I, J)
9.3.68 ILEN (I)
9.3.69 INDEX (STRING, SUBSTRING [,BACK] [,KIND])
9.3.70 INT (A [,KIND])
9.3.71 INT_PTR_KIND ( )
9.3.72 IOR (I, J)
9.3.73 ISHA (I, SHIFT)
9.3.74 ISHC (I, SHIFT)
9.3.75 ISHFT (I, SHIFT)
9.3.76 ISHFTC (I, SHIFT [,SIZE])
9.3.77 ISHL (I, SHIFT)
9.3.78 ISNAN (X)
9.3.79 KIND (X)
9.3.80 LBOUND (ARRAY [,DIM] [,KIND])
9.3.81 LEADZ (I)
9.3.82 LEN (STRING [,KIND])
9.3.83 LEN_TRIM (STRING [,KIND])
9.3.84 LGE (STRING_A, STRING_B)
9.3.85 LGT (STRING_A, STRING_B)
9.3.86 LLE (STRING_A, STRING_B)
9.3.87 LLT (STRING_A, STRING_B)
9.3.88 LOC (X)
9.3.89 LOG (X)
9.3.90 LOG10 (X)
9.3.91 LOGICAL (L [,KIND])
9.3.92 MALLOC (I)
9.3.93 MATMUL (MATRIX_A, MATRIX_B)
9.3.94 MAX (A1, A2 [,A3,...])
9.3.95 MAXEXPONENT (X)
9.3.96 MAXLOC (ARRAY [,DIM] [,MASK] [,KIND])
9.3.97 MAXVAL (ARRAY [,DIM] [,MASK])
9.3.98 MERGE (TSOURCE, FSOURCE, MASK)
9.3.99 MIN (A1, A2 [,A3,...])
9.3.100 MINEXPONENT (X)
9.3.101 MINLOC (ARRAY [, DIM] [,MASK] [,KIND])
9.3.102 MINVAL (ARRAY [,DIM] [,MASK])
9.3.103 MOD (A, P)
9.3.104 MODULO (A, P)
9.3.105 MULT_HIGH (I, J) (Alpha only)
9.3.106 MVBITS (FROM, FROMPOS, LEN, TO, TOPOS)
9.3.107 NEAREST (X, S)
9.3.108 NINT (A [,KIND])
9.3.109 NOT (I)
9.3.110 NULL ([MOLD])
9.3.111 NUMBER_OF_PROCESSORS ([DIM])
9.3.112 NWORKERS ( )
9.3.113 PACK (ARRAY, MASK [,VECTOR])
9.3.114 POPCNT (I)
9.3.115 POPPAR (I)
9.3.116 PRECISION (X)
9.3.117 PRESENT (A)
9.3.118 PROCESSORS_SHAPE ( )
9.3.119 PRODUCT (ARRAY [,DIM] [,MASK])
9.3.120 QCMPLX (X, Y) (VMS, U*X)
9.3.121 QEXT (A) (VMS, U*X)
9.3.122 QFLOAT (A) (VMS, U*X)
9.3.123 QREAL (A) (VMS, U*X)
9.3.124 RADIX (X)
9.3.125 RAN (I)
9.3.126 RANDOM_NUMBER (HARVEST)
9.3.127 RANDOM_SEED ([SIZE] [,PUT] [,GET])
9.3.128 RANDU (I1, I2, X)
9.3.129 RANGE (X)
9.3.130 REAL (A [,KIND])
9.3.131 REPEAT (STRING, NCOPIES)
9.3.132 RESHAPE (SOURCE, SHAPE [,PAD] [,ORDER])
9.3.133 RRSPACING (X)
9.3.134 SCALE (X, I)
9.3.135 SCAN (STRING, SET [,BACK] [,KIND])
9.3.136 SECNDS (X)
9.3.137 SELECTED_INT_KIND (R)
9.3.138 SELECTED_REAL_KIND ([P] [,R])
9.3.139 SET_EXPONENT (X, I)
9.3.140 SHAPE (SOURCE [,KIND])
9.3.141 SIGN (A, B)
9.3.142 SIN (X)
9.3.143 SIND (X)
9.3.144 SINH (X)
9.3.145 SIZE (ARRAY [,DIM] [,KIND])
9.3.146 SIZEOF (X)
9.3.147 SPACING (X)
9.3.148 SPREAD (SOURCE, DIM, NCOPIES)
9.3.149 SQRT (X)
9.3.150 SUM (ARRAY [,DIM] [,MASK])
9.3.151 SYSTEM_CLOCK ([COUNT] [,COUNT_RATE] [,COUNT_MAX])
9.3.152 TAN (X)
9.3.153 TAND (X)
9.3.154 TANH (X)
9.3.155 TIME (BUF)
9.3.156 TINY (X)
9.3.157 TRAILZ (I)
9.3.158 TRANSFER (SOURCE, MOLD [,SIZE])
9.3.159 TRANSPOSE (MATRIX)
9.3.160 TRIM (STRING)
9.3.161 UBOUND (ARRAY [,DIM] [,KIND])
9.3.162 UNPACK (VECTOR, MASK, FIELD)
9.3.163 VERIFY (STRING, SET [,BACK] [,KIND])
9.3.164 ZEXT (X)
10 Data Transfer I/O Statements
10.2 Components of Data Transfer Statements
10.2.1.2 Format Specifier
10.2.1.3 Namelist Specifier
10.2.1.4 Record Specifier
10.2.1.5 Key-Field-Value Specifier (VMS only)
10.2.1.6 Key-of-Reference Specifier (VMS only)
10.2.1.7 I/O Status Specifier
10.2.1.8 Branch Specifiers
10.2.1.9 Advance Specifier
10.2.1.10 Character Count Specifier
10.2.2.2 Implied-Do Lists in I/O Lists
10.3.1.2 Rules for List-Directed Sequential READ Statements
10.3.1.3 Rules for Namelist Sequential READ Statements
10.3.1.4 Rules for Unformatted Sequential READ Statements
10.3.2.2 Rules for Unformatted Direct-Access READ Statements
10.3.3.2 Rules for Unformatted Indexed READ Statements (VMS only)
10.5 WRITE Statements
10.5.1.2 Rules for List-Directed Sequential WRITE Statements
10.5.1.3 Rules for Namelist Sequential WRITE Statements
10.5.1.4 Rules for Unformatted Sequential WRITE Statements
10.5.2.2 Rules for Unformatted Direct-Access WRITE Statements
10.5.3.2 Rules for Unformatted Indexed WRITE Statements (VMS only)
10.7 REWRITE Statement
11.2.2 General Rules for Numeric Editing
11.2.3 Integer Editing
11.2.3.2 B Editing
11.2.3.3 O Editing
11.2.3.4 Z Editing
11.2.4.2 E and D Editing
11.2.4.3 EN Editing
11.2.4.4 ES Editing
11.2.4.5 G Editing
11.2.4.6 Complex Editing
11.2.6 Character Editing (A)
11.2.7 Default Widths for Data Edit Descriptors
11.2.8 Terminating Short Fields of Input Data
11.3.2 Positional Editing
11.3.2.2 TL Editing
11.3.2.3 TR Editing
11.3.2.4 X Editing
11.3.3.2 SS Editing
11.3.3.3 S Editing
11.3.4.2 BZ Editing
11.3.6 Slash Editing (/)
11.3.7 Colon Editing (:)
11.3.8 Dollar Sign ($) and Backslash (\) Editing
11.3.9 Character Count Editing (Q)
11.4.2 H Editing
11.6 Variable Format Expressions
11.7 Printing of Formatted Records
11.8 Interaction Between Format Specifications and I/O Lists
12 File Operation I/O Statements on OpenVMS Systems
12.2 CLOSE Statement
12.3 DELETE Statement
12.4 ENDFILE Statement
12.5 INQUIRE Statement
12.5.2 ACTION Specifier
12.5.3 BLANK Specifier
12.5.4 BLOCKSIZE Specifier
12.5.5 BUFFERED Specifier
12.5.6 CARRIAGECONTROL Specifier
12.5.7 CONVERT Specifier
12.5.8 DELIM Specifier
12.5.9 DIRECT Specifier
12.5.10 EXIST Specifier
12.5.11 FORM Specifier
12.5.12 FORMATTED Specifier
12.5.13 KEYED Specifier
12.5.14 NAME Specifier
12.5.15 NAMED Specifier
12.5.16 NEXTREC Specifier
12.5.17 NUMBER Specifier
12.5.18 OPENED Specifier
12.5.19 ORGANIZATION Specifier
12.5.20 PAD Specifier
12.5.21 POSITION Specifier
12.5.22 READ Specifier
12.5.23 READWRITE Specifier
12.5.24 RECL Specifier
12.5.25 RECORDTYPE Specifier
12.5.26 SEQUENTIAL Specifier
12.5.27 UNFORMATTED Specifier
12.5.28 WRITE Specifier
12.6.2 ACTION Specifier
12.6.3 ASSOCIATEVARIABLE Specifier
12.6.4 BLANK Specifier
12.6.5 BLOCKSIZE Specifier
12.6.6 BUFFERCOUNT Specifier
12.6.7 BUFFERED Specifier
12.6.8 CARRIAGECONTROL Specifier
12.6.9 CONVERT Specifier
12.6.10 DEFAULTFILE Specifier
12.6.11 DELIM Specifier
12.6.12 DISPOSE Specifier
12.6.13 EXTENDSIZE Specifier
12.6.14 FILE Specifier
12.6.15 FORM Specifier
12.6.16 INITIALSIZE Specifier
12.6.17 KEY Specifier
12.6.18 MAXREC Specifier
12.6.19 NAME Specifier
12.6.20 NOSPANBLOCKS Specifier
12.6.21 ORGANIZATION Specifier
12.6.22 PAD Specifier
12.6.23 POSITION Specifier
12.6.24 READONLY Specifier
12.6.25 RECL Specifier
12.6.26 RECORDSIZE Specifier
12.6.27 RECORDTYPE Specifier
12.6.28 SHARED Specifier
12.6.29 STATUS Specifier
12.6.30 TYPE Specifier
12.6.31 USEROPEN Specifier
12.8 UNLOCK Statement
13 File Operation I/O Statements on Tru64 UNIX, Linux, Windows NT, and Windows 9* Systems
13.2 CLOSE Statement
13.3 DELETE Statement
13.4 ENDFILE Statement
13.5 INQUIRE Statement
13.5.2 ACTION Specifier
13.5.3 BINARY Specifier (WNT, W9*)
13.5.4 BLANK Specifier
13.5.5 BLOCKSIZE Specifier
13.5.6 BUFFERED Specifier
13.5.7 CARRIAGECONTROL Specifier
13.5.8 CONVERT Specifier
13.5.9 DELIM Specifier
13.5.10 DIRECT Specifier
13.5.11 EXIST Specifier
13.5.12 FORM Specifier
13.5.13 FORMATTED Specifier
13.5.14 IOFOCUS Specifier (WNT, W9*)
13.5.15 MODE Specifier (WNT, W9*)
13.5.16 NAME Specifier
13.5.17 NAMED Specifier
13.5.18 NEXTREC Specifier
13.5.19 NUMBER Specifier
13.5.20 OPENED Specifier
13.5.21 ORGANIZATION Specifier
13.5.22 PAD Specifier
13.5.23 POSITION Specifier
13.5.24 READ Specifier
13.5.25 READWRITE Specifier
13.5.26 RECL Specifier
13.5.27 RECORDTYPE Specifier
13.5.28 SEQUENTIAL Specifier
13.5.29 SHARE Specifier (WNT, W9*)
13.5.30 UNFORMATTED Specifier
13.5.31 WRITE Specifier
13.6.2 ACTION Specifier
13.6.3 ASSOCIATEVARIABLE Specifier
13.6.4 BLANK Specifier
13.6.5 BLOCKSIZE Specifier
13.6.6 BUFFERCOUNT Specifier
13.6.7 BUFFERED Specifier
13.6.8 CARRIAGECONTROL Specifier
13.6.9 CONVERT Specifier
13.6.10 DEFAULTFILE Specifier
13.6.11 DELIM Specifier
13.6.12 DISPOSE Specifier
13.6.13 FILE Specifier
13.6.14 FORM Specifier
13.6.15 IOFOCUS Specifier (WNT, W9*)
13.6.16 MAXREC Specifier
13.6.17 MODE Specifier (WNT, W9*)
13.6.18 NAME Specifier
13.6.19 ORGANIZATION Specifier
13.6.20 PAD Specifier
13.6.21 POSITION Specifier
13.6.22 READONLY Specifier
13.6.23 RECL Specifier
13.6.24 RECORDSIZE Specifier
13.6.25 RECORDTYPE Specifier
13.6.26 SHARE Specifier (WNT, W9*)
13.6.27 SHARED Specifier
13.6.28 STATUS Specifier
13.6.29 TITLE Specifier (WNT, W9*)
13.6.30 TYPE Specifier
13.6.31 USEROPEN Specifier
13.8 UNLOCK Statement
14 Compilation Control Statements
14.2 OPTIONS Statement
15.1.2 ALIAS Directive
15.1.3 ATTRIBUTES Directive
15.1.4 DECLARE or NODECLARE Directives
15.1.5 DEFINE and UNDEFINE Directives
15.1.6 FIXEDFORMLINESIZE Directive
15.1.7 FREEFORM and NOFREEFORM Directives
15.1.8 IDENT Directive
15.1.9 IF and IF DEFINED Directives
15.1.10 INTEGER Directive
15.1.11 IVDEP Directive
15.1.12 MESSAGE Directive
15.1.13 OBJCOMMENT Directive
15.1.14 OPTIONS Directive
15.1.15 PACK Directive
15.1.16 PSECT Directive
15.1.17 REAL Directive
15.1.18 STRICT and NOSTRICT Directives
15.1.19 TITLE and SUBTITLE Directives
15.1.20 UNROLL Directive
15.2.2 Data Scope Attribute Clauses (TU*X only)
15.2.2.2 DEFAULT Clause (TU*X only)
15.2.2.3 FIRSTPRIVATE Clause (TU*X only)
15.2.2.4 LASTPRIVATE Clause (TU*X only)
15.2.2.5 PRIVATE Clause (TU*X only)
15.2.2.6 REDUCTION Clause (TU*X only)
15.2.2.7 SHARED Clause (TU*X only)
15.2.3.2 ATOMIC Directive (TU*X only)
15.2.3.3 BARRIER Directive (TU*X only)
15.2.3.4 CRITICAL Directive (TU*X only)
15.2.3.5 DO Directive (TU*X only)
15.2.3.6 FLUSH Directive (TU*X only)
15.2.3.7 MASTER Directive (TU*X only)
15.2.3.8 ORDERED Directive (TU*X only)
15.2.3.9 PARALLEL Directive (TU*X only)
15.2.3.10 PARALLEL DO Directive (TU*X only)
15.2.3.11 PARALLEL SECTIONS Directive (TU*X only)
15.2.3.12 SECTIONS Directive (TU*X only)
15.2.3.13 SINGLE Directive (TU*X only)
15.2.3.14 THREADPRIVATE Directive (TU*X only)
15.2.3.15 Nesting and Binding Rules (TU*X only)
15.2.4.2 CHUNK Directive (TU*X only)
15.2.4.3 COPYIN Directive (TU*X only)
15.2.4.4 CRITICAL SECTION Directive (TU*X only)
15.2.4.5 INSTANCE Directive (TU*X only)
15.2.4.6 MP_SCHEDTYPE Directive (TU*X only)
15.2.4.7 PARALLEL Directive (TU*X only)
15.2.4.8 PARALLEL DO Directive (TU*X only)
15.2.4.9 PARALLEL SECTIONS Directive (TU*X only)
15.2.4.10 PDO Directive (TU*X only)
15.2.4.11 PDONE Directive (TU*X only)
15.2.4.12 PSECTIONS Directive (TU*X only)
15.2.4.13 SINGLE PROCESS Directive (TU*X only)
15.2.4.14 TASKCOMMON Directive (TU*X only)
15.3.2 ALIGN Directive (TU*X only)
15.3.3 DISTRIBUTE Directive (TU*X only)
15.3.4 INDEPENDENT Directive (TU*X only)
15.3.5 INHERIT Directive> (TU*X only)
15.3.6 PROCESSORS Directive (TU*X only)
15.3.7 [NO]SEQUENCE Directive (TU*X only)
15.3.8 TEMPLATE Directive (TU*X only)
16.2 Unambiguous Generic Procedure References
16.3 Resolving Procedure References
16.3.2 References to Specific Names
16.3.3 References to Nonestablished Names
16.4.1.2 Use and Host Association
16.4.3 Storage Association
16.4.3.2 Array Association
A Obsolescent and Deleted Language Features
A.2 Obsolescent Language Features in Fortran 95
A.3 Obsolescent Language Features in Fortran 90
B Additional Language Features
B.2 The ENCODE and DECODE Statements
B.3 FIND Statement
B.4 FORTRAN-66 Interpretation of the EXTERNAL Statement
B.5 Alternative Syntax for the PARAMETER Statement
B.7 Alternative Syntax for Octal and Hexadecimal Constants
B.8 Alternative Syntax for a Record Specifier
B.9 Alternative Syntax for the DELETE Statement
B.10 Alternative Form for Namelist External Records
B.11 The Compaq Fortran POINTER Statement
B.12 Record Structures
B.12.1.2 Substructure Declarations
B.12.1.3 Union Declarations
B.12.3 References to Record Fields
B.12.4 Aggregate Assignment
C The ASCII and DEC Multinational Character Sets for OpenVMS, Tru64 UNIX, and Linux Systems
C.2 The DEC Multinational Character Set (VMS, U*X)
E Run-Time Library Module Routines on Windows NT and Windows 9* Systems
E.2 QuickWin Routines (WNT, W9*)
E.3 Graphics Routines (WNT, W9*)
E.4 Dialog Routines (WNT, W9*)
E.5 National Language Support Routines (WNT, W9*)
E.6 Miscellaneous Run-Time Routines (WNT, W9*)
E.7 DFCOM Routines (WNT, W9*)
E.8 DFAUTO Routines (WNT, W9*)
E.9 SPORT Routines (WNT, W9*)
F Run-Time Library Routines on Tru64 UNIX and Linux Systems
F.2 Parallel Library Routines (TU*X only)
F.2.2 Parallel Threads Routines for Compatibility (TU*X only)
G High Performance Fortran (HPF) Library Routines on Tru64 UNIX Systems
H Summary of Language Extensions
G.2 High Performance Fortran Language Extensions
Examples
8-1 Using and Redefining an Intrinsic Function Name
11-1 Interaction Between Format Specifications and I/O Lists
14-1 Including Text from a File
16-1 Example of Name, Pointer, and Storage Association
Figures
2-1 Required Order of Statements
3-1 Array Storage
5-2 Equivalence of Character Arrays
5-3 A Valid Extension of a Common Block
5-4 An Invalid Extension of a Common Block
7-1 Flow of Control in CASE Constructs
7-3 Control Transfers and Extended Range
7-4 Flow of Control in IF Constructs
B-1 Memory Map of Structure APPOINTMENT
B-2 Memory Map of Structure WORDS_LONG
C-1 Graphic Representation of the ASCII Character Set
C-2 Graphic Representation of the DEC Multinational Extension to the ASCII Character Set
Tables
2-1 Statements Restricted in Scoping Units
2-2 Indicators in Source Forms
4-1 Precedence of Expression Operators
4-2 Conversion Rules for Numeric Assignment Statements
5-3 Equivalence of Array Storage
5-4 Equivalence of Arrays with Nonunity Lower Bounds
8-1 Defaults for Argument List Functions
9-1 Functions Not Allowed as Actual Arguments
9-2 Categories of Intrinsic Functions
9-3 Summary of Generic Intrinsic Functions
10-1 Default Formats for List-Directed Output
11-1 Summary of Edit Descriptors
11-2 Effect of Data Magnitude on G Format Conversions
11-3 Size Limits for Noncharacter Data Using A Editing
11-4 Default Widths for Data Edit Descriptors
11-5 Control Characters for Printing
12-1 OPEN Statement Specifiers and Values on OpenVMS Systems
12-2 Maximum Record Lengths (RECL) on OpenVMS Systems
12-3 Default Record Lengths (RECL) on OpenVMS Systems
15-1 Common Block Defaults and PSECT Modification
15-2 Initialization Values for REDUCTION Operators and Intrinsics (TU*X only)
15-3 Categories of OpenMP Fortran Parallel Directives (TU*X only)
15-4 Categories of Compaq Fortran Parallel Directives (TU*X only)
16-1 Scope of Program Entities
16-2 Data Type Storage Requirements
E-1 Summary of Portability Routines (WNT, W9*)
E-2 Summary of Quickwin Routines (WNT, W9*)
E-3 Summary of Graphics Routines (WNT, W9*)
E-4 Summary of Dialog Routines (WNT, W9*)
E-5 Summary of NLS Routines (WNT, W9*)
E-6 Summary of Miscellaneous Run-Time Routines (WNT, W9*)
E-7 Summary of DFCOM Routines (WNT, W9*)
E-8 Summary of DFAUTO Routines (WNT, W9*)
E-9 Summary of SPORT Routines (WNT, W9*)
F-1 Summary of General Routines (U*X only)
F-2 Summary of OpenMP Parallel Routines (TU*X only)
F-3 Summary of Parallel Routines for Compatibility (TU*X only)
G-1 Summary of Compaq Fortran 3hpf Routines (TU*X only)