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isattyIs logical unit a tty.Synopsislogical function isatty(lu)integer luDescriptionReturns .TRUE. if logical unit lu is connected to a terminal; otherwise, .FALSE. is returned.itimeReturn time in numerical form.Synopsissubroutine itime(iarray)integer iarray(3)DescriptionReturn current time in the array iarray. The order is hour, minute, and second.killSend signal to a process.Synopsisinteger function kill(pid, sig)integer pidinteger sigDescriptionSend signal number sig to the process whose process id is pid. If successful, the value zero isreturned; otherwise, an error code is returned.268 Chapter 7
linkMake linkSynopsisinteger function link(n1, n2)character*(*) n1character*(*) n2DescriptionCreate a link n2 to an existing file n1. If successful, zero is returned; otherwise, an error code isreturned.lnblnkReturn index of last non-blank.Synopsisinteger function lnblnk(a1)character*(*) a1DescriptionReturn the index of the last non-blank character in string a1.locAddress of an object.Synopsisinteger function loc(a)integer a3F Functions and VAX Subroutines 269
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While every precaution has been tak
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Table 6-18: HPF Intrinsics and Libr
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• ISO/IEC 1539 : 1991, Informatio
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non-printing characters, such as TA
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1 Language OverviewThis chapter des
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Table 1-1: Order of StatementsOPTIO
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1.3 Free Form FormattingUsing free
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A continuation line is indicated by
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The following examples are invalid
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Operators of equal rank are evaluat
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1.7.3 Relational ExpressionsA relat
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1.9 Assignment StatementsA Fortran
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defined in the character expression
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2 Fortran Data TypesEvery Fortran e
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Table 2-3: Data Type ExtensionsType
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[s]d 1 d 2 ...d n [ _ kind-paramete
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2.2.5 Complex ConstantsA complex co
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CHARACTER(LEN=20) FIRST, LAST, MIDD
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2.4.4 Character SubstringA characte
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• A constant is always either 32
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STRUCTURE [/structure_name/][field_
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RECORD /person/ population(2), me..
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BYTE items(12)END MAPEND UNIONEND S
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declarator, modifying its value dur
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90/95 This statement is either new
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ALLOCATE 90The ALLOCATE statement i
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DescriptionARRAY can be used in a s
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ExamplesBACKSPACE 4BACKSPACE ( UNIT
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ExamplesCALL CRASH! no argumentsCAL
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Note: The data type of a symbol may
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HPFExampleDIMENSION R(10)COMMON /HO
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ALL1is an allocatable COMMON block
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I = I + H..END SUBROUTINE YEND SUBR
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DEALLOCATE 77The DEALLOCATE stateme
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See AlsoREAD, PRINTDIMENSION 90The
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DO (non-block)DO label [,] index =
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DOUBLE COMPLEX § 77The DOUBLE COMP
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SyntaxIF logical expression THENsta
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cfbioserrsis an integer expression
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For example:END FILE(20)END FILE(UN
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e more than one ENTRY statement wit
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EQUIVALENCE 77The EQUIVALENCE state
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extrinsic-kind-keyword is the name
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if no list items are specified; in
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argumentis a symbolic name, startin
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ExampleslistASSIGN 50 TO KGO TO K(5
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IF (Block) 77The block IF statement
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INCLUDE § 77The INCLUDE statement
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FILE= finFORM= fmfin is a character
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DescriptionWhen an INQUIRE by file
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INTEGER, INTENT(OUT)::I1I1=R1END SU
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SUBROUTINE TRIG (X,F,Y)Y=F(X)RETURN
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Manipulating data using union decla
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Using the -I command-line option di
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ERR=errsFILE= finFORM=fmcharacter d
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ACCESSThe value of 'APPEND' will be
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• Case is not significant, unless
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The pointer-based variable does not
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and is roughly equivalent tocharact
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.END MODULETypeNon-executableSee Al
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• Every item whose value is to be
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DescriptionYou create memory storag
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RETURN 77The RETURN statement cause
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line option). Dummy arguments, name
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STRUCTURE § 77The STRUCTURE statem
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argumentis a symbolic name, startin
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Syntax Derived Type DefinitionTYPE
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BYTE num_itemsBYTE items(12)END MAP
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ExamplesINTEGER SCORE(30)CHARACTER
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eal sumsum = 4h()accept sumand is r
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specified with the ":" character ra
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For example:SUBROUTINE YSUM1(M,B,C)
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4.5 CM Fortran Extensions4.5.1 The
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same manner. Direct access files ar
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Table 5-1: OPEN SpecifiersSpecifier
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After data is transferred, the file
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• Repeatable editor commands whic
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On output, the B field descriptor t
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5.5.2.8 G Format ControlThe G forma
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5.5.2.14 O Format Control Octal Val
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The X control specifies a number of
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5.7 List-directed formattingList-di
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Data TypeINTEGER*4INTEGER*8LOGICAL*
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• The value may be constants as a
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Table 6-1: Numeric FunctionsGeneric
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GenericNameIZEXTPurposeZero-ExtendF
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GenericNameREALPurposeConvert toREA
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GenericNamePurposeNumberof ArgsSIN
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GenericNameIANDPurposeLogicalANDNum
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Table 6-5: Fortran 90/95 Bit Manipu
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Table 6-8: Fortran 90/95 Array Redu
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Table 6-10: Fortran 90/95 Array Con
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Generic Name Purpose Numberof ArgsP
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Table 6-17: Miscellaneous Functions
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ArgumentsThe argument STR is the st
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SynopsisALLOCATED(ARRAY)ArgumentThe
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SynopsisASIND(X)ArgumentThe argumen
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ArgumentThe argument X must be of t
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Return ValueReturns a complex numbe
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COUNT 90Return the number of true e
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VALUES(6)VALUES(7)VALUES(8)holds th
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Return ValueThe dot product. For VE
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EXPONENT 90Return the exponent part
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SynopsisIAND(I, J)ArgumentsThe argu
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ArgumentThe arguments I and J must
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INT8 § 77Converts a real value to
Page 220 and 221: JINT § 77Converts a value to an in
Page 222 and 223: LEN 90Returns the length of the sup
Page 224 and 225: LLT 90Test the supplied strings to
Page 226 and 227: LSHIFT § 77Perform a logical shift
Page 228 and 229: If the MASK parameter is present, t
Page 230 and 231: MINLOC 90Return the position of the
Page 232 and 233: MVBITS 90Copies a bit sequence from
Page 234 and 235: SynopsisNULL([PTR])ArgumentsThe opt
Page 236 and 237: Return ValueThe return value is the
Page 238 and 239: SynopsisREAL(A [,KIND])ArgumentsThe
Page 240 and 241: ArgumentsThe argument X is of type
Page 242 and 243: Return ValueThe result is an array
Page 244 and 245: SIZE 90Returns either the total num
Page 246 and 247: Return ValueThe return value is the
Page 248 and 249: TRANSFER 90Return a value that has
Page 250 and 251: VERIFY 90Verify that a character st
Page 252 and 253: IntrinsicIALL_SUFFIXIANYIANY_PREFIX
Page 254 and 255: Return ValueThe shifted array with
Page 256 and 257: getloghostnmlstatputenvsymlnkttynam
Page 258 and 259: esyndbesj0dbesj1dbesjndbesy0dbesy1d
Page 260 and 261: Descriptionctime converts a system
Page 262 and 263: fgetcGet character from a logical u
Page 264 and 265: Synopsisinteger function fseek(lu,
Page 266 and 267: Synopsisinteger function getc(ch)ch
Page 268 and 269: Synopsisinteger function getuid()De
Page 272 and 273: DescriptionReturn the value which i
Page 274 and 275: perrorPrint error message.Synopsiss
Page 276 and 277: DescriptionThe functions rand and i
Page 278 and 279: DescriptionReturn the index of the
Page 280 and 281: except lstat returns information ab
Page 282 and 283: ttynamGet name of a terminalSynopsi
Page 284 and 285: 7.2.2 VAX/VMS System SubroutinesDAT
Page 286 and 287: destis an integer variable or array
Page 289 and 290: 8 OpenMP Directives for FortranThe
Page 291 and 292: the parallel region redundantly. Th
Page 293 and 294: In the presence of an IF clause, th
Page 295 and 296: !$OMP SINGLE [Clauses]< Fortran cod
Page 297 and 298: By default, there is an implicit ba
Page 299 and 300: appear within a parallel region. It
Page 301 and 302: [!$OMP SECTION]< Fortran code block
Page 303 and 304: directive. When a common block that
Page 305 and 306: subroutine omp_unset_lock(integer_v
Page 307 and 308: 9 HPF DirectivesHPF directives are
Page 309 and 310: ALIGN - REALIGNThe ALIGN directive
Page 311 and 312: See AlsoThe TEMPLATE and PROCESSORS
Page 313 and 314: Example!HPF$!HPF$!HPF$!HPF$REAL A(1
Page 315 and 316: See AlsoFor details on the PROCESSO
Page 317: TypeSpecificationSee AlsoFor detail
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IntrinsicGLOBAL_TO_LOCALGLOBAL_UBOU
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Return ValueIf the actual argument
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ArgumentsARRAY may be of any type;
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Return TypeThe result is of type de
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ArgumentsOptional argument. PROC.AR
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IndexABSTRACT_TO_PHYSICAL..........
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DATA ..............................
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GETLOG ............................
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EXP ...............................
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F specifier........................
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LOCAL_UNIDEX.......................
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OpenMP Fortran Directives .........
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DOWHILE ...........................
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FMT specifier......................
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