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SEQUENCEThe SEQUENCE directive allows a user to declare explicitly that variables or common blocks areto be treated by the compiler as sequential.Syntax!HPF$ SEQUENCEor!HPF$ SEQUENCE [::] association-name-listTypeSpecificationSee AlsoFor details on the SEQUENCE syntax specifications, refer either to Section 4.10.2 of The HighPerformance Fortran Handbook, or Section 7.1.3 of the HPF Language Specification.The NO SEQUENCE directive.Example!HPF$INTEGER FLAG, I, A(1000)COMMON /FOO/ A,I,FLAGSEQUENCE FOOTEMPLATEThe TEMPLATE directive declares one or more templates, specifying for each a name, rank, andsize for each dimension.Syntax!HPF$ TEMPLATE template-decl-listDefaultBy default for each object, a new template is created and in the absence of an explicit ALIGNdirective, the object is ultimately aligned to itself.314 Chapter 9
TypeSpecificationSee AlsoFor details on the TEMPLATE syntax specifications, refer either to Section 4.9 of The HighPerformance Fortran Handbook, or Section 3.8 of the HPF Language Specification.Examples!HPF$!HPF$!HPF$TEMPLATE VAR1(N)TEMPLATE VAR2(N,N)TEMPLATE, DISTRIBUTE(BLOCK,BLOCK):: BOARD(8,8)HPF Directives 315
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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
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JINT § 77Converts a value to an in
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LEN 90Returns the length of the sup
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LLT 90Test the supplied strings to
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LSHIFT § 77Perform a logical shift
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If the MASK parameter is present, t
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MINLOC 90Return the position of the
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MVBITS 90Copies a bit sequence from
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SynopsisNULL([PTR])ArgumentsThe opt
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Return ValueThe return value is the
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SynopsisREAL(A [,KIND])ArgumentsThe
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ArgumentsThe argument X is of type
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Return ValueThe result is an array
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SIZE 90Returns either the total num
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Return ValueThe return value is the
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TRANSFER 90Return a value that has
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VERIFY 90Verify that a character st
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IntrinsicIALL_SUFFIXIANYIANY_PREFIX
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Return ValueThe shifted array with
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getloghostnmlstatputenvsymlnkttynam
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esyndbesj0dbesj1dbesjndbesy0dbesy1d
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Descriptionctime converts a system
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fgetcGet character from a logical u
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Synopsisinteger function fseek(lu,
Page 266 and 267: Synopsisinteger function getc(ch)ch
Page 268 and 269: Synopsisinteger function getuid()De
Page 270 and 271: isattyIs logical unit a tty.Synopsi
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: See AlsoFor details on the PROCESSO
Page 320 and 321: IntrinsicGLOBAL_TO_LOCALGLOBAL_UBOU
Page 322 and 323: Return ValueIf the actual argument
Page 324 and 325: ArgumentsARRAY may be of any type;
Page 326 and 327: Return TypeThe result is of type de
Page 328 and 329: ArgumentsOptional argument. PROC.AR
Page 331 and 332: IndexABSTRACT_TO_PHYSICAL..........
Page 333 and 334: DATA ..............................
Page 335 and 336: GETLOG ............................
Page 337 and 338: EXP ...............................
Page 339 and 340: F specifier........................
Page 341 and 342: LOCAL_UNIDEX.......................
Page 343 and 344: OpenMP Fortran Directives .........
Page 345 and 346: DOWHILE ...........................
Page 347: FMT specifier......................
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