HP Fortran Programmer's Reference

More documents

Recommendations

Info

HP Fortran statements BACKSPACE BACKSPACE Positions file at preceding record. Syntax The syntax of the BACKSPACE statement can take one of two forms: 248 Short form: BACKSPACE integer-expression Long form: BACKSPACE ( io-specifier-list ) integer-expression io-specifier-list [UNIT=] unit ERR=stmt-label IOSTAT=integer-variable Description is the number of the unit connected to a sequential file. is a list of the following comma-separated I/O specifiers: specifies the unit connected to an external file opened for sequential access. unit must be an integer expression that evaluates to a number greater than 0. If the optional keyword UNIT= is omitted, unit must be the first item in io-specifier-list. specifies the label of an executable statement to which control passes if an error occurs during statement execution. returns the I/O status after the statement executes. If the statement executes successfully, integer-variable is set to zero. If an error occurs, it is set to a positive integer that indicates which error occurred. The BACKSPACE statement causes the external file connected to unit to be positioned just before the preceding record of the file. The file must be connected for sequential access. Chapter 10
Examples HP Fortran statements BACKSPACE The following statement causes the file connected to unit 10 to be positioned just before the preceding record: BACKSPACE 10 The following statement causes the file connected to unit 17 to be positioned just before the preceding record. If an error occurs during the execution of the statement, control passes to the statement at label 99, and the error code is returned in ios: BACKSPACE (17, ERR=99, IOSTAT=ios) Related statements ENDFILE, OPEN, andREWIND Related concepts For information about I/O concepts, see Chapter 8, “I/O and file handling,” on page 169, which lists example programs that use I/O. For information about I/O formatting, see Chapter 11, “Intrinsic procedures,” on page 467. Chapter 10 249
Page 1 and 2:
HP Fortran Programmer’s Reference
Page 3:
Notice Copyright 1979-2003 Hewlett-
Page 6 and 7:
Contents vi Structurecomponent ....
Page 8 and 9:
Contents viii INTENTattribute......
Page 10 and 11:
Contents x ASSIGN .................
Page 12 and 13:
Contents xii RECORD (extension) ...
Page 14 and 15:
Contents xiv CSHIFT(ARRAY,SHIFT,DIM
Page 16 and 17:
Contents xvi LOC(X)................
Page 18 and 19:
Contents xviii TRANSPOSE(MATRIX)...
Page 20 and 21:
Tables Table9-10.D,E,F,andGeditdesc
Page 22 and 23:
The HP Fortran Programmer’s Refer
Page 24 and 25:
Notational conventions This section
Page 26 and 27:
xxvi Either a or b must be supplied
Page 28 and 29:
NOTE Many of these documents are ac
Page 30 and 31:
Introduction to HP Fortran 2 Data t
Page 32 and 33:
Introduction to HP Fortran HP Fortr
Page 34 and 35:
Introduction to HP Fortran HP Fortr
Page 36 and 37:
Language elements 8 Lexical tokens
Page 38 and 39:
Language elements Lexical tokens Le
Page 40 and 41:
Language elements Program structure
Page 42 and 43:
Language elements Statements Statem
Page 44 and 45:
Language elements Source format of
Page 46 and 47:
Page 48 and 49:
Page 50 and 51:
Language elements INCLUDE line 22 C
Page 52 and 53:
Data types and data objects 24 Deri
Page 54 and 55:
Data types and data objects Intrins
Page 56 and 57:
Page 58 and 59:
Page 60 and 61:
Page 62 and 63:
Page 64 and 65:
Page 66 and 67:
Page 68 and 69:
Page 70 and 71:
Data types and data objects Derived
Page 72 and 73:
Page 74 and 75:
Page 76 and 77:
Page 78 and 79:
Data types and data objects Pointer
Page 80 and 81:
Data types and data objects Pointer
Page 82 and 83:
Arrays 54 Array declarations Array-
Page 84 and 85:
Arrays Array fundamentals a(1,2) a(
Page 86 and 87:
Arrays Array declarations For a giv
Page 88 and 89:
Arrays Array declarations If a proc
Page 90 and 91:
Arrays Array declarations Allocatab
Page 92 and 93:
Arrays Array declarations subscript
Page 94 and 95:
Arrays Array sections Array section
Page 96 and 97:
Arrays Array sections ! The arrays
Page 98 and 99:
Arrays Array-valued structure compo
Page 100 and 101:
Arrays Array-valued structure compo
Page 102 and 103:
Arrays Array constructors depends o
Page 104 and 105:
Arrays Array expressions ! the effe
Page 106 and 107:
Arrays Array-valued functions PROGR
Page 108 and 109:
Arrays Array inquiry intrinsics 80
Page 110 and 111:
Expressions and assignment 82 — O
Page 112 and 113:
Expressions and assignment Expressi
Page 114 and 115:
Page 116 and 117:
Page 118 and 119:
Page 120 and 121:
Page 122 and 123:
Page 124 and 125:
Expressions and assignment Assignme
Page 126 and 127:
Page 128 and 129:
Page 130 and 131:
Page 132 and 133:
Execution control 104 Control const
Page 134 and 135:
Execution control Control construct
Page 136 and 137:
Page 138 and 139:
Page 140 and 141:
Page 142 and 143:
Execution control Flow control stat
Page 144 and 145:
Page 146 and 147:
Page 148 and 149:
Page 150 and 151:
Program units and procedures 122 Te
Page 152 and 153:
Program units and procedures Termin
Page 154 and 155:
Program units and procedures Main p
Page 156 and 157:
Program units and procedures Main p
Page 158 and 159:
Program units and procedures Extern
Page 160 and 161:
Page 162 and 163:
Page 164 and 165:
Program units and procedures Intern
Page 166 and 167:
Program units and procedures Statem
Page 168 and 169:
Program units and procedures Argume
Page 170 and 171:
Page 172 and 173:
Page 174 and 175:
Page 176 and 177:
Page 178 and 179:
Program units and procedures Proced
Page 180 and 181:
Page 182 and 183:
Page 184 and 185:
Page 186 and 187:
Program units and procedures Module
Page 188 and 189:
Page 190 and 191:
Page 192 and 193:
Page 194 and 195:
Program units and procedures Block
Page 196 and 197:
Program units and procedures Block
Page 198 and 199:
I/O and file handling 170 Files Con
Page 200 and 201:
I/O and file handling Files Files A
Page 202 and 203:
I/O and file handling Connecting a
Page 204 and 205:
I/O and file handling Connecting a
Page 206 and 207:
I/O and file handling File access m
Page 208 and 209:
Page 210 and 211:
Page 212 and 213:
I/O and file handling Nonadvancing
Page 214 and 215:
I/O and file handling I/O statement
Page 216 and 217:
I/O and file handling Syntax of I/O
Page 218 and 219:
Page 220 and 221:
Page 222 and 223:
I/O and file handling Example progr
Page 224 and 225:
I/O and file handling Example progr
Page 226 and 227: I/O and file handling Example progr
Page 228 and 229: I/O and file handling Example progr
Page 230 and 231: I/O formatting transferring data be
Page 232 and 233: I/O formatting Format specification
Page 234 and 235: I/O formatting Edit descriptors Tab
Page 236 and 237: I/O formatting Edit descriptors del
Page 238 and 239: I/O formatting Edit descriptors A a
Page 244 and 245: I/O formatting Edit descriptors 216
Page 248 and 249: I/O formatting Edit descriptors Qed
Page 252 and 253: I/O formatting Edit descriptors O (
Page 254 and 255: I/O formatting Edit descriptors Inp
Page 256 and 257: I/O formatting Edit descriptors [r
Page 258 and 259: I/O formatting Embedded format spec
Page 260 and 261: I/O formatting Format specification
Page 262 and 263: HP Fortran statements The following
Page 264 and 265: HP Fortran statements Attributes Ta
Page 266 and 267: HP Fortran statements ACCEPT (exten
Page 268 and 269: HP Fortran statements ALLOCATABLE (
Page 270 and 271: HP Fortran statements ALLOCATE ALLO
Page 272 and 273: HP Fortran statements ALLOCATE The
Page 274 and 275: HP Fortran statements AUTOMATIC (ex
Page 278 and 279: HP Fortran statements BLOCK DATA BL
Page 280 and 281: HP Fortran statements BUFFER IN (ex
Page 282 and 283: HP Fortran statements BUFFER OUT (e
Page 284 and 285: HP Fortran statements BYTE (extensi
Page 286 and 287: HP Fortran statements CALL 4. Contr
Page 288 and 289: HP Fortran statements CASE low: For
Page 290 and 291: HP Fortran statements CHARACTER CHA
Page 292 and 293: HP Fortran statements CHARACTER 264
Page 294 and 295: HP Fortran statements CLOSE Descrip
Page 296 and 297: HP Fortran statements COMMON COMMON
Page 298 and 299: HP Fortran statements COMMON ! comm
Page 300 and 301: HP Fortran statements COMPLEX Descr
Page 302 and 303: HP Fortran statements CONTAINS CONT
Page 304 and 305: HP Fortran statements CONTINUE CONT
Page 306 and 307: HP Fortran statements CYCLE Related
Page 308 and 309: HP Fortran statements DATA 280 Proc
Page 310 and 311: HP Fortran statements DATA 282 “I
Page 312 and 313: HP Fortran statements DEALLOCATE Ex
Page 314 and 315: HP Fortran statements DECODE (exten
Page 316 and 317: HP Fortran statements DIMENSION (st
Page 318 and 319: HP Fortran statements DIMENSION (st
Page 320 and 321: HP Fortran statements DO DO Control
Page 322 and 323: HP Fortran statements DO DO i = 1,
Page 324 and 325: HP Fortran statements DOUBLE COMPLE
Page 326 and 327:
HP Fortran statements DOUBLE PRECIS
Page 328 and 329:
HP Fortran statements ELSE ELSE Pro
Page 330 and 331:
HP Fortran statements ELSE IF Relat
Page 332 and 333:
HP Fortran statements ENCODE (exten
Page 334 and 335:
HP Fortran statements ENCODE (exten
Page 336 and 337:
HP Fortran statements END Related s
Page 338 and 339:
HP Fortran statements END (structur
Page 340 and 341:
HP Fortran statements END TYPE END
Page 342 and 343:
HP Fortran statements ENDFILE An en
Page 344 and 345:
HP Fortran statements ENTRY 316 The
Page 346 and 347:
HP Fortran statements ENTRY Here ar
Page 348 and 349:
HP Fortran statements EQUIVALENCE T
Page 350 and 351:
HP Fortran statements EQUIVALENCE C
Page 352 and 353:
HP Fortran statements EXTERNAL (sta
Page 354 and 355:
HP Fortran statements EXTERNAL (sta
Page 356 and 357:
HP Fortran statements FORMAT Relate
Page 358 and 359:
HP Fortran statements FUNCTION Desc
Page 360 and 361:
HP Fortran statements GO TO (comput
Page 362 and 363:
HP Fortran statements IF (arithmeti
Page 364 and 365:
HP Fortran statements IF (logical)
Page 366 and 367:
HP Fortran statements IMPLICIT The
Page 368 and 369:
HP Fortran statements INCLUDE Examp
Page 370 and 371:
HP Fortran statements INQUIRE Table
Page 372 and 373:
Page 374 and 375:
Page 376 and 377:
Page 378 and 379:
HP Fortran statements INQUIRE Relat
Page 380 and 381:
HP Fortran statements INTEGER Descr
Page 382 and 383:
HP Fortran statements INTENT (state
Page 384 and 385:
HP Fortran statements INTENT (state
Page 386 and 387:
HP Fortran statements INTERFACE SUB
Page 388 and 389:
HP Fortran statements INTRINSIC (st
Page 390 and 391:
HP Fortran statements LOGICAL Descr
Page 392 and 393:
HP Fortran statements MAP (extensio
Page 394 and 395:
HP Fortran statements MODULE ... FU
Page 396 and 397:
HP Fortran statements MODULE PROCED
Page 398 and 399:
HP Fortran statements NAMELIST The
Page 400 and 401:
HP Fortran statements NULLIFY Relat
Page 402 and 403:
HP Fortran statements ON (extension
Page 404 and 405:
HP Fortran statements OPEN OPEN Con
Page 406 and 407:
HP Fortran statements OPEN FILE=cha
Page 408 and 409:
HP Fortran statements OPEN Table 10
Page 410 and 411:
HP Fortran statements OPTIONAL (sta
Page 412 and 413:
HP Fortran statements OPTIONAL (sta
Page 414 and 415:
HP Fortran statements PARAMETER (st
Page 416 and 417:
HP Fortran statements PARAMETER (st
Page 418 and 419:
HP Fortran statements PAUSE ! Write
Page 420 and 421:
HP Fortran statements POINTER (Cray
Page 422 and 423:
HP Fortran statements POINTER (stat
Page 424 and 425:
HP Fortran statements POINTER (stat
Page 426 and 427:
HP Fortran statements PRINT Formatt
Page 428 and 429:
HP Fortran statements PRIVATE (stat
Page 430 and 431:
HP Fortran statements PROGRAM PROGR
Page 432 and 433:
HP Fortran statements PUBLIC (state
Page 434 and 435:
HP Fortran statements READ READ Inp
Page 436 and 437:
HP Fortran statements READ IOSTAT=i
Page 438 and 439:
HP Fortran statements READ Namelist
Page 440 and 441:
HP Fortran statements REAL Descript
Page 442 and 443:
HP Fortran statements RECORD (exten
Page 444 and 445:
HP Fortran statements RECORD (exten
Page 446 and 447:
HP Fortran statements RETURN RETURN
Page 448 and 449:
HP Fortran statements REWIND REWIND
Page 450 and 451:
HP Fortran statements SAVE (stateme
Page 452 and 453:
HP Fortran statements SAVE (stateme
Page 454 and 455:
HP Fortran statements SEQUENCE SEQU
Page 456 and 457:
HP Fortran statements STATIC (state
Page 458 and 459:
HP Fortran statements STOP STOP Ter
Page 460 and 461:
HP Fortran statements STRUCTURE (ex
Page 462 and 463:
Page 464 and 465:
Page 466 and 467:
Page 468 and 469:
HP Fortran statements SUBROUTINE SU
Page 470 and 471:
HP Fortran statements TARGET (state
Page 472 and 473:
HP Fortran statements TARGET (state
Page 474 and 475:
HP Fortran statements TASK COMMON (
Page 476 and 477:
HP Fortran statements TYPE (declara
Page 478 and 479:
HP Fortran statements TYPE (definit
Page 480 and 481:
HP Fortran statements TYPE (I/O) (e
Page 482 and 483:
HP Fortran statements USE USE Provi
Page 484 and 485:
HP Fortran statements VIRTUAL (exte
Page 486 and 487:
HP Fortran statements WHERE (statem
Page 488 and 489:
HP Fortran statements WHERE (statem
Page 490 and 491:
HP Fortran statements WRITE WRITE O
Page 492 and 493:
HP Fortran statements WRITE Descrip
Page 494 and 495:
HP Fortran statements WRITE 466 Cha
Page 496 and 497:
Intrinsic procedures The following
Page 498 and 499:
Intrinsic procedures Basic terms an
Page 500 and 501:
Intrinsic procedures Nonstandard in
Page 502 and 503:
Intrinsic procedures Data represent
Page 504 and 505:
Intrinsic procedures Functional cat
Page 506 and 507:
Intrinsic procedures Functional cat
Page 508 and 509:
Intrinsic procedures Intrinsic proc
Page 510 and 511:
Page 512 and 513:
Page 514 and 515:
Page 516 and 517:
Page 518 and 519:
Page 520 and 521:
Page 522 and 523:
Page 524 and 525:
Page 526 and 527:
Page 528 and 529:
Page 530 and 531:
Page 532 and 533:
Page 534 and 535:
Page 536 and 537:
Page 538 and 539:
Page 540 and 541:
Page 542 and 543:
Page 544 and 545:
Page 546 and 547:
Page 548 and 549:
Page 550 and 551:
Page 552 and 553:
Page 554 and 555:
Page 556 and 557:
Page 558 and 559:
Page 560 and 561:
Page 562 and 563:
Page 564 and 565:
Page 566 and 567:
Page 568 and 569:
Page 570 and 571:
Page 572 and 573:
Page 574 and 575:
Page 576 and 577:
Page 578 and 579:
Page 580 and 581:
Page 582 and 583:
Page 584 and 585:
Page 586 and 587:
Page 588 and 589:
Page 590 and 591:
Page 592 and 593:
Page 594 and 595:
Page 596 and 597:
Page 598 and 599:
Page 600 and 601:
Page 602 and 603:
Page 604 and 605:
Page 606 and 607:
Page 608 and 609:
Page 610 and 611:
Page 612 and 613:
Page 614 and 615:
Page 616 and 617:
Page 618 and 619:
Page 620 and 621:
Page 622 and 623:
Page 624 and 625:
Page 626 and 627:
Page 628 and 629:
Page 630 and 631:
Page 632 and 633:
Page 634 and 635:
BLAS and libU77 libraries The libU7
Page 636 and 637:
BLAS and libU77 libraries Calling l
Page 638 and 639:
BLAS and libU77 libraries Calling l
Page 640 and 641:
BLAS and libU77 libraries libU77 ro
Page 642 and 643:
Page 644 and 645:
Page 646 and 647:
Page 648 and 649:
BLAS and libU77 libraries BLAS rout
Page 650 and 651:
BLAS and libU77 libraries BLAS rout
Page 652 and 653:
I/O runtime error messages INTEGER
Page 654 and 655:
I/O runtime error messages Runtime
Page 656 and 657:
Page 658 and 659:
Page 660 and 661:
Page 662 and 663:
Page 664 and 665:
Glossary association association Th
Page 666 and 667:
Glossary construct construct Aserie
Page 668 and 669:
Glossary High Performance Fortran (
Page 670 and 671:
Glossary preconnected preconnected
Page 672 and 673:
Glossary type type See data type. t
Page 674 and 675:
Index arrays, 25 derived types, 45
Page 676 and 677:
Index examples, 96 intrinsic, 95 ma
Page 678 and 679:
Index DSYMV, 621 DSYR, 621 DSYR2, 6
Page 680 and 681:
Index hidden length parameter, 146
Page 682 and 683:
Index statement order, 14 continuat
Page 684 and 685:
Index DFLOTI intrinsics function, 5
Page 686 and 687:
Index in expressions, 93 initializa
Page 688 and 689:
Index statement function, 137 when
Page 690 and 691:
Index assigned GO TO, 115, 331 bloc
Page 692 and 693:
Index HSHFT intrinsics function, 53
Page 694 and 695:
Index PRINT, 397 READ, 406 REWIND,
Page 696 and 697:
Index DATE, 504 date and time intri
Page 698 and 699:
Index KNINT, 565 KNOT, 566 KPACK, 5
Page 700 and 701:
Index ISAMAX routine, 620 ISATTY ro
Page 702 and 703:
Index tape input/output routines, 6
Page 704 and 705:
Index derived types, 450 DO loops,
Page 706 and 707:
Index deallocating, 283 declaring,
Page 708 and 709:
Index REAL statement, 411 type decl
Page 710 and 711:
Index filename extensions, 16 fixed
Page 712 and 713:
Index glossary, 643 modules, 317 st
Page 714 and 715:
Index in expressions, 91, 93 triple
Page 716:
Index Z Zeditdescriptor, 227 ZABS i
show all

HP Fortran Programmer's Reference

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?