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Intel fortran-80 manual Request For Readerscomments, FORTRAN·80PROGRAMMING MANUAL 9800481 A

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FORTRAN·80PROGRAMMING MANUAL 9800481 A

FORTRAN·80PROGRAMMING MANUAL 9800481 A

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Intel fortran-80 manual Request For Readerscomments, FORTRAN·80PROGRAMMING MANUAL 9800481 A

Contents

Manual Order Number: 9800481 A FORTRAN-SOPROGRAMMING MANUALCopyright 1978 Intel Corporation PRINTED IN U.S.A./A151/1279/5K CP PREFACE Page FORTRAN CONCEPTS CONTENTSPREFACE GLOSSARY CHAPTER INTRODUCTION TO FORTRAN CHAPTERFORTRAN-80STATEMENT SUMMARY ILLUSTRATIONSCHAPTER PROGRAMMING GUIDELINES APPENDIX AGLOSSARY Record - A sequence of values or characters 1.1 An Introductory Example CHAPTER INTRODUCTION TO FORTRAN1.1.1 Comment Lines 1.1.5 Output Statements 1.1.2 Type Statement1.1.3 Input Statements 1.1.4 Value Assignment Statement1.2.2 Nonexecutable Statements 1.2 Summary Of FORTRAN·SO Statements1.1.6 Program Termination 1.2.1 Executable Statements1.2.3 Order of Statements FEN:• • • • 2.1.3 Statements and Lines 2.1.2 The PROG RAM StatementPROGRAM name 2.2.1 Character Set 2.2 FORTRAN Statement Elements2.2.2 Constants and Variables FORTRAN-80 ARITHMETICOVERFLOW ERROR MURPHYSLAW#4567Q+#AF2CH PNAME AB HITS AVGwhere +64101 #140102.2.4 Expressions and Operators 2.2.4.3 Relational Expressions is evaluated as if it were written 10FLAG = FLAG + IF FLAG1 .EQV. FLAG2 RETURN 15/3 + 18/9 = 5 + 2 = 2.2.5 Scope of Symbols15/3 + 18/9 = 15/3 + 2 = 15/5 = CALL sub arg,arg 2.3 Notational ConventionsPage 3.1.2 INTEGER Type Statement CHAPTER DEFINING VARIABLES ARRAYS, AND MEMORY3.1Type Statements 3.1.1 REAL Type Statement•va,luernustueiA, Qp4 3.1.3 LOGICAL Type Statementv* len aryd* len 3.1.4 CHARACTER Type Statement3.1.5 IMPLICIT Statement CHARACTER * len, name ,name3.2 Array Definition 3.2.2 Kinds of Array Declarators 3.2.1 DIMENSION Statement3.2.4 Referencing Array Elements 3.2.3 Properties of Arraysary s ,s Declarator 3.3 Assignment StatementsDimension ElementRESULT 3.3.1 Arithmetic Assignment StatementTYPE OF TYPE OF expv = exp 3.3.2 Logical Assignment Statement3.3.3Character Assignment Statement 3.3.4 ASSIG N StatementASSIGN stlTO name 3.3.5DATA Statementr*c,r*c DATA ZEROS 110*0/1,J,K 110,20,301 &NAMES2 IOTTI 3.4.1 EQUIVALENCE Statement3.4 Memory Definition DATA I,J,K/10,20,301COMMON /eb! nlist ,/ eb! nlist 3.4.2COMMON Statement3.4.2.1 Common Block Memory Sequence 3.4.3BLOCK DATA Subprograms3.4.2.2 Named and Blank Common Blocks 3.4.4 BLOCK DATA Statement 4.1.2 Computed GO TO Statement CHAPTER 4 PROGRAM EXECUTION CONTROLS4.1 Transferring Program Oontrol 4.1.1 Unconditional GO TO Statement4.1.4Arithmetic IF Statement GO TO name n, stl ,stlIFexps1,s2,s3 4.1.3Assigned GO TO Statement4.1.6 IF, ELSE IF, and ELSE Blocks 4.1.5 Logical IF Statement4.1.8ELSE IF Statement 4.1.7 Block IF Statement4.1.10 END IF Statement 4.1.9 ELSE Statement4.2.1 Operation of a DO Loop 4.2 Loop Control Statements4.2.2 DO Statement 4.2.3CONTINUE Statement 4.3 Program Termination Statements4.3.2 STOP Statement 4.3.1 PAUSE Statement4.3.3EN 0 Statement A = 33 + SQRT8 CHAPTER FUNCTIONS AND SUBROUTINES5.1Intrinsic and Statement Functions 5.1.1Intrinsic Functionstunc dum ,dum ... = exp 5.1.2 INTRI NSIC Statement5.1.3 Statement Functions INTRINSIC tunc ,tunc5.1.3.2 Statement Function Limitations 5.1.3.1 Referencing Statement Functions156.8 typ FUNCTION tunc dum ,dum 5.2 External Procedures5.2.1 FUNCTION Statement 5.2.1.1 Referencing External Functions5.2.1.2 FUNCTION Subprogram Limitations 5.2.2Subroutines5.2.4 RETU RN Statement ~RETURNCA.~END 5.2.3 SUBROUTINE StatementEXTERNAL proe ,proe 5.2.5SAVE Statement5.2.6EXTERNAL Statement SAVE lebl ,Iebl5.2.7 CALL Statement 5.3 Arguments And Common Blocks RevisitedFunctions And Subroutines 5.3.1 Common Blocks5.3.2 Dummy And Actual Arguments 5.3.3 Association Of Arguments5.3.3.3 Arrays As Dummy Arguments 5.3.3.4 Procedures As Dummy Arguments5.3.3.1 Agreement Of Argument Lengths 5.3.3.2 Variables As Dummy ArgumentsFX, Y, 5.3.3.5Argument Association LimitationsPage 6.1.2 File Properties CHAPTER INPUT/OUTPUT6.1Records, Files, And Units 6.1.1Record Properties6.1.2.4 External And Internal Files 6.1.2.1 File Existence6.1.2.2 File Name 6.1.2.3 File Position6.1.3 Unit Properties 6.1.2.5 File Access6.2.1.21/0 Status Specifier 6.2 File-HandlingStatements6.2.1 OPEN Statement 6.2.1.1 Unit Specifier6.2.1.4 File Name Specifier 6.2.1.3 Error Specifier6.2.1.5 File Status Specifier 6.2.1.7 Formatting Specifier 6.2.1.6 Access Method Specifier6.2.1.8 Record Length Specifier 6.2.1.9 Blank Specifier CLOSE close-list 6.2.2CLOSE Statement6.2.1.11 Opening A Connected Unit 6.2.2.1 Unit SpecifierREWI N Darg-list 6.2.3 BACKSPACE Statement6.2.4 REWI N D Statement 6.2.2.2 File Disposition SpecifierREWIND REWIND 3, IOSTAT= ERRFLG, ERR= 6.3 Data-Transfer 1/0 Statements6.2.5 ENDFILE Statement 6.3.1 READ Statement6.3.1.1 Control Information List Examples WRITE ctl-list out-list 6.3.2WRITE Statement6.3.1.2 Input List 6.3.1.3 Implied-DOList6.3.3 PRINT Statement 6.4Formatted And Unformatted Data Transfer6.4.1 Unformatted Data Transfer 6.4.2.1 Printing Formatted Records 6.4.2 Formatted Data Transfer6.4.2.2 Format Control 6.4.3.t Edit Descriptors 6.4.3FORMAT Statementstl FORMAT flist 1 is Ff OY1 Y2 Edit DescriptorAbsolute value of exp Form of expa Z5editdesctiptor either a sjgu ora letter indicatingthebas¢Example DollytSigfjl$ijitrrrg· FS.26.4.4.1 List-Directed Input 6.4.4List·Directed Formatting6.4.4.2 List-DirectedOutput Page 7.1.2 Program Documentation 7.1.1 Problem DefinitionCHAPTER PROGRAMMING GUIDELINES 7.1 Program Development7.1.3 Refining The Problem Definition 7.1.4 Final Coding 7.2.3 Crossing Unit Lines 7.2 FORTRAN Coding7.2.1 Functions And Subroutines 7.2.2 GO TO StatementPI = 7.3 References7.2.5 Reminders X = 2217*r* *21972 A.1 Statement Sequence APPENDIX A FORTRAN-80STATEMENT SUMMARYA.2 Statement Summary ERR = stl FORTRAN-80Statement Summary ERR = stlDATA Statement Category: Nonexecutable ELSE IF Statement Category: Executable, Block IF EQUIVALENCE Statement FUNCTION Statement Category: Nonexecutable IMPLICIT Statement OPEN Statement fORTRAN-80Statement Summary REWIND Statement SUBROUTINE Statement Category: Executable B.1 Intrinsic Function Summary APPENDIX B INTRINSIC FUNCTIONSCATEGORY Intrinsic FunctionsFORTRAN-80 <ORMB.2 Notes On Intrinsic Functions Page C.2.1 Hollerith Constants In DATA Statements APPENDIX C HOLLERITH DATA TYPEC.1 Hollerith As A Data Type C.2 The Hollerith ConstantC.4 AEditing Of Hollerith Data C.3 Hollerith Format SpecificationHollerith Data Type 0.1 Standard Extensions To 1977 Subset APPENDIX D EXTENSIONS TO ANSI FORTRAN0.2Nonstandard Extensions To 1977 FORTRAN 0.4 Differences From 1966 FORTRAN 0.3 More Specific Semantics Than 1977 FORTRANMiscellaneous extensions Seven-dimensionalarrays Page APPENDIX E ASCII CODESPage Length APPENDIX F 8080/8085 PROCESSOR DEPENDENCIESF.1 Processor Limitations On Language F.2 Compiler ExtensionsF.2.4 Free-formLine Format F.2.3 Reentrant ProceduresF.2.1 Lowercase Letters F.2.2 Port Input/Output$0077 F.2.6 Default Data LengthsF.2.5 Interpretation of DO Statements F.2.7 Including Source FilesF.2.9 Flexibility In Standard Restrictions F.2.8 REel Specification For Sequential FilesF.3 Unit Preconnection INDEX Index FREEFORM Compiler Control, F-2 Index FORTRAN-SOPage NOTES NOTES inter SOFTWARE PROBLEM REPORTIntel Corporation Attn: Literature Department 111111BUSINESS REPLY CARD Postage will be paid by AddresseeFORTRAN·80PROGRAMMING MANUAL 9800481 A REQUEST FOR READERSCOMMENTSIntel Corporation Attn: Literature Department 111111BUSINESS REPLY CARD 0LIKE YOUR COMMENTSPage Printed in U.S.A inter