GNU Fortran 4 官方文档

8. Intrinsic Procedures

  • ABORT
  • ABS
  • ACCESS
  • ACHAR
  • ACOS
  • ACOSH
  • ADJUSTL
  • ADJUSTR
  • AIMAG
  • AINT
  • ALARM
  • ALL
  • ALLOCATED
  • AND
  • ANINT
  • ANY
  • ASIN
  • ASINH
  • ASSOCIATED
  • ATAN
  • ATAN2
  • ATANH
  • ATOMIC_DEFINE
  • ATOMIC_REF
  • BACKTRACE
  • BESSEL_J0
  • BESSEL_J1
  • BESSEL_JN
  • BESSEL_Y0
  • BESSEL_Y1
  • BESSEL_YN
  • BGE
  • BGT
  • BIT_SIZE
  • BLE
  • BLT
  • BTEST
  • CEILING
  • CHAR
  • CHDIR
  • CHMOD
  • CMPLX
  • COMMAND_ARGUMENT_COUNT
  • COMPILER_OPTIONS
  • COMPILER_VERSION
  • COMPLEX
  • CONJG
  • COS
  • COSH
  • COUNT
  • CPU_TIME
  • CSHIFT
  • CTIME
  • C_ASSOCIATED
  • C_FUNLOC
  • C_F_POINTER
  • C_F_PROCPOINTER
  • C_LOC
  • C_SIZEOF
  • DATE_AND_TIME
  • DBLE
  • DCMPLX
  • DIGITS
  • DIM
  • DOT_PRODUCT
  • DPROD
  • DREAL
  • DSHIFTL
  • DSHIFTR
  • DTIME
  • EOSHIFT
  • EPSILON
  • ERF
  • ERFC
  • ERFC_SCALED
  • ETIME
  • EXECUTE_COMMAND_LINE
  • EXIT
  • EXP
  • EXPONENT
  • EXTENDS_TYPE_OF
  • FDATE
  • FGET
  • FGETC
  • FLOOR
  • FLUSH
  • FNUM
  • FPUT
  • FPUTC
  • FRACTION
  • FREE
  • FSEEK
  • FSTAT
  • FTELL
  • GAMMA
  • GERROR
  • GETARG
  • GETCWD
  • GETENV
  • GETGID
  • GETLOG
  • GETPID
  • GETUID
  • GET_COMMAND
  • GET_COMMAND_ARGUMENT
  • GET_ENVIRONMENT_VARIABLE
  • GMTIME
  • HOSTNM
  • HUGE
  • HYPOT
  • IACHAR
  • IALL
  • IAND
  • IANY
  • IARGC
  • IBCLR
  • IBITS
  • IBSET
  • ICHAR
  • IDATE
  • IEOR
  • IERRNO
  • IMAGE_INDEX
  • INDEX
  • INT
  • INT2
  • INT8
  • Intrinsic Procedures
  • Introduction to intrinsic procedures
  • IOR
  • IPARITY
  • IRAND
  • ISATTY
  • ISHFT
  • ISHFTC
  • ISNAN
  • IS_IOSTAT_END
  • IS_IOSTAT_EOR
  • ITIME
  • KILL
  • KIND
  • LBOUND
  • LCOBOUND
  • LEADZ
  • LEN
  • LEN_TRIM
  • LGE
  • LGT
  • LINK
  • LLE
  • LLT
  • LNBLNK
  • LOC
  • LOG
  • LOG10
  • LOGICAL
  • LOG_GAMMA
  • LONG
  • LSHIFT
  • LSTAT
  • LTIME
  • MALLOC
  • MASKL
  • MASKR
  • MATMUL
  • MAX
  • MAXEXPONENT
  • MAXLOC
  • MAXVAL
  • MCLOCK
  • MCLOCK8
  • MERGE
  • MERGE_BITS
  • MIN
  • MINEXPONENT
  • MINLOC
  • MINVAL
  • MOD
  • MODULO
  • MOVE_ALLOC
  • MVBITS
  • NEAREST
  • NEW_LINE
  • NINT
  • NORM2
  • NOT
  • NULL
  • NUM_IMAGES
  • OR
  • PACK
  • PARITY
  • PERROR
  • POPCNT
  • POPPAR
  • PRECISION
  • PRESENT
  • PRODUCT
  • RADIX
  • RAN
  • RAND
  • RANDOM_NUMBER
  • RANDOM_SEED
  • RANGE
  • RANK
  • REAL
  • RENAME
  • REPEAT
  • RESHAPE
  • RRSPACING
  • RSHIFT
  • SAME_TYPE_AS
  • SCALE
  • SCAN
  • SECNDS
  • SECOND
  • SELECTED_CHAR_KIND
  • SELECTED_INT_KIND
  • SELECTED_REAL_KIND
  • SET_EXPONENT
  • SHAPE
  • SHIFTA
  • SHIFTL
  • SHIFTR
  • SIGN
  • SIGNAL
  • SIN
  • SINH
  • SIZE
  • SIZEOF
  • SLEEP
  • SPACING
  • SPREAD
  • SQRT
  • SRAND
  • STAT
  • STORAGE_SIZE
  • SUM
  • SYMLNK
  • SYSTEM
  • SYSTEM_CLOCK
  • TAN
  • TANH
  • THIS_IMAGE
  • TIME
  • TIME8
  • TINY
  • TRAILZ
  • TRANSFER
  • TRANSPOSE
  • TRIM
  • TTYNAM
  • UBOUND
  • UCOBOUND
  • UMASK
  • UNLINK
  • UNPACK
  • VERIFY
  • XOR

    • 1. Introduction

  • About GNU Fortran
  • GNU Fortran and G77
  • GNU Fortran and GCC
  • Introduction
  • Preprocessing and conditional compilation
  • Project Status
  • Standards
  • Varying Length Character Strings

    • 6. Extensions

  • Alternate complex function syntax
  • Argument list functions %VAL, %REF and %LOC
  • BOZ literal constants
  • Commas in FORMAT specifications
  • CONVERT specifier
  • Cray pointers
  • ENCODE and DECODE statements
  • Extensions
  • Extensions implemented in GNU Fortran
  • Extensions not implemented in GNU Fortran
  • Extensions to namelist
  • Hollerith constants support
  • I/O item lists
  • Implicitly convert LOGICAL and INTEGER values
  • Missing period in FORMAT specifications
  • Old-style kind specifications
  • Old-style variable initialization
  • OpenMP
  • Q exponent-letter
  • Real array indices
  • STRUCTURE and RECORD
  • Unary operators
  • Variable FORMAT expressions
  • Volatile COMMON blocks
  • X format descriptor without count field

    • 7. Mixed-Language Programming

  • Argument passing conventions
  • Derived Types and struct
  • Further Interoperability of Fortran with C
  • GNU Fortran Compiler Directives
  • Interoperability with C
  • Interoperable Global Variables
  • Interoperable Subroutines and Functions
  • Intrinsic Types
  • Mixed-Language Programming
  • Naming and argument-passing conventions
  • Naming conventions
  • Non-Fortran Main Program
  • Working with Pointers
  • _gfortran_set_args
  • _gfortran_set_convert
  • _gfortran_set_fpe
  • _gfortran_set_max_subrecord_length
  • _gfortran_set_options
  • _gfortran_set_record_marker

    • 5. Compiler Characteristics

  • Compiler Characteristics
  • Data consistency and durability
  • Internal representation of LOGICAL variables
  • KIND Type Parameters
  • Thread-safety of the runtime library

    • 2. Command Options

  • Enable and customize preprocessing
  • Environment variables affecting gfortran
  • GNU Fortran Command Options
  • Influencing runtime behavior
  • Influencing the linking step
  • Option summary
  • Options controlling Fortran dialect
  • Options for code generation conventions
  • Options for debugging your program or GNU Fortran
  • Options for directory search
  • Options to request or suppress errors and warnings

    • 4. Fortran 2003 and 2008 Status

  • Fortran 2003 and 2008 Status
  • Fortran 2003 status
  • Fortran 2008 status
  • Technical Specification 29113 Status

    • 3. Runtime

  • GFORTRAN_CONVERT_UNIT
  • GFORTRAN_DEFAULT_RECL
  • GFORTRAN_ERROR_BACKTRACE
  • GFORTRAN_LIST_SEPARATOR
  • GFORTRAN_OPTIONAL_PLUS
  • GFORTRAN_SHOW_LOCUS
  • GFORTRAN_STDERR_UNIT
  • GFORTRAN_STDIN_UNIT
  • GFORTRAN_STDOUT_UNIT
  • GFORTRAN_UNBUFFERED_ALL
  • GFORTRAN_UNBUFFERED_PRECONNECTED
  • Runtime: Influencing runtime behavior with environment variables
  • TMPDIR

    • 9. Intrinsic Modules

  • Intrinsic Modules
  • ISO_C_BINDING
  • ISO_FORTRAN_ENV
  • OpenMP Modules OMP_LIB and OMP_LIB_KINDS

    • Index

  • index

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