| Chapter 6 |
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6
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HP Fortran Input/Output
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6.1
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Overview
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6.2
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Logical I/O Units
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6.3
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Types of I/O Statements
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6.4
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Forms of I/O Statements
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6.5
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Types of Files and File Characteristics
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6.5.1
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File Organizations
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6.5.2
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Internal Files and Scratch Files
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6.5.3
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I/O Record Types
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6.5.3.1
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Portability Considerations of Record Types
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6.5.3.2
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Fixed-Length Records
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6.5.3.3
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Variable-Length Records
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6.5.3.4
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Segmented Records
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6.5.3.5
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Stream Records
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6.5.3.6
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Stream_CR and Stream_LF Records
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6.5.4
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Other File Characteristics
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6.6
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Opening Files and the OPEN Statement
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6.6.1
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Preconnected Files and Fortran Logical Names
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6.6.1.1
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Preconnected Files
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6.6.1.2
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HP Fortran Logical Names
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6.6.2
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Disk Files and File Specifications
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6.6.3
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OPEN Statement Specifiers
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6.7
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Obtaining File Information: The INQUIRE Statement
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6.7.1
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Inquiry by Unit
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6.7.2
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Inquiry by File Name
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6.7.3
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Inquiry by Output Item List
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6.8
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Closing a File: The CLOSE Statement
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6.9
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Record Operations
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6.9.1
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Record I/O Statement Specifiers
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6.9.2
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Record Access Modes
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6.9.2.1
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Sequential Access
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6.9.2.2
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Direct Access
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6.9.2.3
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Keyed Access
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6.9.3
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Shared File Use
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6.9.4
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Specifying the Initial Record Position
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6.9.5
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Advancing and Nonadvancing Record I/O
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6.9.6
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Record Transfer
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6.10
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Output Data Buffering and RMS Journaling
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| Chapter 7 |
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7
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Run-Time Errors
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7.1
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Run-Time Error Overview
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7.2
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HP Fortran RTL Default Error Processing
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7.2.1
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Run-Time Message Format
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7.2.2
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Run-Time Message Severity Levels
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7.3
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Handling Errors
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7.3.1
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Using the ERR, EOR, and END Branch Specifiers
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7.3.2
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Using the IOSTAT Specifier
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7.4
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List of Run-Time Messages
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| Chapter 8 |
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8
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Data Types and Representation
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8.1
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Summary of Data Types and Characteristics
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8.2
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Integer Data Representations
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8.2.1
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Integer Declarations and FORTRAN Command Qualifiers
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8.2.2
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INTEGER (KIND=1) or INTEGER*1 Representation
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8.2.3
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INTEGER (KIND=2) or INTEGER*2 Representation
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8.2.4
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INTEGER (KIND=4) or INTEGER*4 Representation
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8.2.5
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INTEGER (KIND=8) or INTEGER*8 Representation
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8.3
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Logical Data Representations
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8.4
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Native Floating-Point Representations and IEEE Exceptional Values
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8.4.1
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REAL, COMPLEX, and DOUBLE PRECISION Declarations and FORTRAN Qualifiers
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8.4.2
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REAL (KIND=4) or REAL*4 Representations
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8.4.2.1
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IEEE S_float Representation
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8.4.2.2
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VAX F_float Representation
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8.4.3
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REAL (KIND=8) or REAL*8 Representations
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8.4.3.1
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IEEE T_float Representation
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8.4.3.2
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VAX G_float Representation
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8.4.3.3
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VAX D_float Representation
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8.4.4
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REAL (KIND=16) or REAL*16 X_float Representation
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8.4.5
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COMPLEX (KIND=4) or COMPLEX*8 Representations
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8.4.6
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COMPLEX (KIND=8) or COMPLEX*16 Representations
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8.4.7
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COMPLEX (KIND=16) or COMPLEX*32 Representation
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8.4.8
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Exceptional IEEE Floating-Point Representations
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8.5
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Character Representation
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8.6
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Hollerith Representation
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| Chapter 9 |
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9
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Converting Unformatted Numeric Data
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9.1
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Overview of Converting Unformatted Numeric Data
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9.2
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Endian Order of Numeric Formats
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9.3
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Native and Supported Nonnative Numeric Formats
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9.4
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Limitations of Numeric Conversion
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9.5
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Methods of Specifying the Unformatted Numeric Format
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9.5.1
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Logical Name FOR$CONVERTnnn Method
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9.5.2
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Logical Name FOR$CONVERT.ext (and FOR$CONVERT_ext) Method
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9.5.3
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OPEN Statement CONVERT='keyword' Method
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9.5.4
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OPTIONS Statement /CONVERT=keyword Method
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9.5.5
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FORTRAN Command /CONVERT=keyword Qualifier Method
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9.6
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Additional Information on Nonnative Data
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| Chapter 10 |
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10
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Using HP Fortran in the Common Language Environment
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10.1
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Overview
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10.2
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HP Fortran Procedures and Argument Passing
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10.2.1
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Explicit and Implicit Interfaces
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10.2.2
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Types of HP Fortran Subprograms
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10.2.3
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Using Procedure Interface Blocks
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10.2.4
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Passing Arguments and Function Return Values
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10.2.5
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Passing Arrays as Arguments
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10.2.6
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Passing Pointers as Arguments
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10.2.7
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HP Fortran Array Descriptor Format
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10.3
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Argument-Passing Mechanisms and Built-In Functions
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10.3.1
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Passing Arguments by Descriptor---%DESCR Function
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10.3.2
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Passing Addresses---%LOC Function
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10.3.3
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Passing Arguments by Immediate Value---%VAL Function
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10.3.4
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Passing Arguments by Reference---%REF Function
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10.3.5
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Examples of Argument Passing Built-in Functions
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10.4
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Using the cDEC$ ALIAS and cDEC$ ATTRIBUTES Directives
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10.4.1
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The cDEC$ ALIAS Directive
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10.4.2
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The cDEC$ ATTRIBUTES Directive
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10.4.2.1
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C Property
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10.4.2.2
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ALIAS Property
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10.4.2.3
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REFERENCE and VALUE Properties
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10.4.2.4
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EXTERN and VARYING Properties
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10.4.2.5
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ADDRESS64 Property
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10.5
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OpenVMS Procedure-Calling Standard
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10.5.1
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Register and Stack Usage
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10.5.1.1
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Register and Stack Usage on Alpha
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10.5.2
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Return Values of Procedures
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10.5.3
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Argument Lists
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10.6
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OpenVMS System Routines
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10.6.1
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OpenVMS Run-Time Library Routines
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10.6.2
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OpenVMS System Services Routines
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10.7
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Calling Routines: General Considerations
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10.8
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Calling OpenVMS System Services
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10.8.1
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Obtaining Values for System Symbols
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10.8.2
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Calling System Services by Function Reference
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10.8.3
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Calling System Services as Subroutines
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10.8.4
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Passing Arguments to System Services
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10.8.4.1
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Immediate Value Arguments
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10.8.4.2
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Address Arguments
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10.8.4.3
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Descriptor Arguments
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10.8.4.4
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Data Structure Arguments
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10.8.4.5
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Examples of Passing Arguments
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10.9
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Calling Between Compaq Fortran 77 and HP Fortran
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10.9.1
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Argument Passing and Function Return Values
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10.9.2
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Using Data Items in Common Blocks
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10.9.3
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I/O to the Same Unit Number
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10.10
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Calling Between HP Fortran and HP C
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10.10.1
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Compiling and Linking Files
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10.10.2
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Procedures and External Names
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10.10.3
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Invoking a C Function from HP Fortran
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10.10.4
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Invoking an HP Fortran Function or Subroutine from C
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10.10.5
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Equivalent Data Types for Function Return Values
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10.10.6
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Argument Association and Equivalent Data Types
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10.10.6.1
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HP Fortran Intrinsic Data Types
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10.10.6.2
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Equivalent HP Fortran and C Data Types
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10.10.7
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Example of Passing Integer Data to C Functions
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10.10.8
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Example of Passing Complex Data to C Functions
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10.10.9
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Handling User-Defined Structures
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10.10.10
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Handling Scalar Pointer Data
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10.10.11
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Handling Arrays
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10.10.12
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Handling Common Blocks of Data
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