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9 Intrinsic Procedures ¶

• Introduction to intrinsic procedures
• ABORT — Abort the program
• ABS — Absolute value
• ACCESS — Checks file access modes
• ACHAR — Character in ASCII collating sequence
• ACOS — Arccosine function
• ACOSD — Arccosine function, degrees
• ACOSH — Inverse hyperbolic cosine function
• ADJUSTL — Left adjust a string
• ADJUSTR — Right adjust a string
• AIMAG — Imaginary part of complex number
• AINT — Truncate to a whole number
• ALARM — Execute a routine after a given delay
• ALL — All values in MASK along DIM are true
• ALLOCATED — Status of an allocatable entity
• AND — Bitwise logical AND
• ANINT — Nearest whole number
• ANY — Any value in MASK along DIM is true
• ASIN — Arcsine function
• ASIND — Arcsine function, degrees
• ASINH — Inverse hyperbolic sine function
• ASSOCIATED — Status of a pointer or pointer/target pair
• ATAN — Arctangent function
• ATAND — Arctangent function, degrees
• ATAN2 — Arctangent function
• ATAN2D — Arctangent function, degrees
• ATANH — Inverse hyperbolic tangent function
• ATOMIC_ADD — Atomic ADD operation
• ATOMIC_AND — Atomic bitwise AND operation
• ATOMIC_CAS — Atomic compare and swap
• ATOMIC_DEFINE — Setting a variable atomically
• ATOMIC_FETCH_ADD — Atomic ADD operation with prior fetch
• ATOMIC_FETCH_AND — Atomic bitwise AND operation with prior fetch
• ATOMIC_FETCH_OR — Atomic bitwise OR operation with prior fetch
• ATOMIC_FETCH_XOR — Atomic bitwise XOR operation with prior fetch
• ATOMIC_OR — Atomic bitwise OR operation
• ATOMIC_REF — Obtaining the value of a variable atomically
• ATOMIC_XOR — Atomic bitwise OR operation
• BACKTRACE — Show a backtrace
• BESSEL_J0 — Bessel function of the first kind of order 0
• BESSEL_J1 — Bessel function of the first kind of order 1
• BESSEL_JN — Bessel function of the first kind
• BESSEL_Y0 — Bessel function of the second kind of order 0
• BESSEL_Y1 — Bessel function of the second kind of order 1
• BESSEL_YN — Bessel function of the second kind
• BGE — Bitwise greater than or equal to
• BGT — Bitwise greater than
• BIT_SIZE — Bit size inquiry function
• BLE — Bitwise less than or equal to
• BLT — Bitwise less than
• BTEST — Bit test function
• C_ASSOCIATED — Status of a C pointer
• C_F_POINTER — Convert C into Fortran pointer
• C_F_PROCPOINTER — Convert C into Fortran procedure pointer
• C_FUNLOC — Obtain the C address of a procedure
• C_LOC — Obtain the C address of an object
• C_SIZEOF — Size in bytes of an expression
• CEILING — Integer ceiling function
• CHAR — Character conversion function
• CHDIR — Change working directory
• CHMOD — Change access permissions of files
• CMPLX — Complex conversion function
• CO_BROADCAST — Copy a value to all images the current set of images
• CO_MAX — Maximal value on the current set of images
• CO_MIN — Minimal value on the current set of images
• CO_REDUCE — Reduction of values on the current set of images
• CO_SUM — Sum of values on the current set of images
• COMMAND_ARGUMENT_COUNT — Get number of command line arguments
• COMPILER_OPTIONS — Options passed to the compiler
• COMPILER_VERSION — Compiler version string
• COMPLEX — Complex conversion function
• CONJG — Complex conjugate function
• COS — Cosine function
• COSD — Cosine function, degrees
• COSH — Hyperbolic cosine function
• COTAN — Cotangent function
• COTAND — Cotangent function, degrees
• COUNT — Count function
• CPU_TIME — CPU elapsed time in seconds
• CSHIFT — Circular shift elements of an array
• CTIME — Convert a time into a string
• DATE_AND_TIME — Date and time subroutine
• DBLE — Double conversion function
• DCMPLX — Double complex conversion function
• DIGITS — Significant binary digits function
• DIM — Positive difference
• DOT_PRODUCT — Dot product function
• DPROD — Double product function
• DREAL — Double real part function
• DSHIFTL — Combined left shift
• DSHIFTR — Combined right shift
• DTIME — Execution time subroutine (or function)
• EOSHIFT — End-off shift elements of an array
• EPSILON — Epsilon function
• ERF — Error function
• ERFC — Error function
• ERFC_SCALED — Error function
• ETIME — Execution time subroutine (or function)
• EVENT_QUERY — Query whether a coarray event has occurred
• EXECUTE_COMMAND_LINE — Execute a shell command
• EXIT — Exit the program with status.
• EXP — Exponential function
• EXPONENT — Exponent function
• EXTENDS_TYPE_OF — Query dynamic type for extension
• FDATE — Get the current time as a string
• FGET — Read a single character in stream mode from stdin
• FGETC — Read a single character in stream mode
• FINDLOC — Search an array for a value
• FLOOR — Integer floor function
• FLUSH — Flush I/O unit(s)
• FNUM — File number function
• FPUT — Write a single character in stream mode to stdout
• FPUTC — Write a single character in stream mode
• FRACTION — Fractional part of the model representation
• FREE — Frees memory
• FSEEK — Low level file positioning subroutine
• FSTAT — Get file status
• FTELL — Current stream position
• GAMMA — Gamma function
• GERROR — Get last system error message
• GETARG — Get command line arguments
• GET_COMMAND — Get the entire command line
• GET_COMMAND_ARGUMENT — Get command line arguments
• GETCWD — Get current working directory
• GETENV — Get an environmental variable
• GET_ENVIRONMENT_VARIABLE — Get an environmental variable
• GETGID — Group ID function
• GETLOG — Get login name
• GETPID — Process ID function
• GETUID — User ID function
• GMTIME — Convert time to GMT info
• HOSTNM — Get system host name
• HUGE — Largest number of a kind
• HYPOT — Euclidean distance function
• IACHAR — Code in ASCII collating sequence
• IALL — Bitwise AND of array elements
• IAND — Bitwise logical and
• IANY — Bitwise OR of array elements
• IARGC — Get the number of command line arguments
• IBCLR — Clear bit
• IBITS — Bit extraction
• IBSET — Set bit
• ICHAR — Character-to-integer conversion function
• IDATE — Get current local time subroutine (day/month/year)
• IEOR — Bitwise logical exclusive or
• IERRNO — Get the last system error number
• IMAGE_INDEX — Function that converts a cosubscript to an image index
• INDEX — Position of a substring within a string
• INT — Convert to integer type
• INT2 — Convert to 16-bit integer type
• INT8 — Convert to 64-bit integer type
• IOR — Bitwise logical or
• IPARITY — Bitwise XOR of array elements
• IRAND — Integer pseudo-random number
• IS_CONTIGUOUS — Test whether an array is contiguous
• IS_IOSTAT_END — Test for end-of-file value
• IS_IOSTAT_EOR — Test for end-of-record value
• ISATTY — Whether a unit is a terminal device.
• ISHFT — Shift bits
• ISHFTC — Shift bits circularly
• ISNAN — Test for a NaN
• ITIME — Get current local time subroutine (hour/minutes/seconds)
• KILL — Send a signal to a process
• KIND — Kind of an entity
• LBOUND — Lower dimension bounds of an array
• LCOBOUND — Lower codimension bounds of an array
• LEADZ — Number of leading zero bits of an integer
• LEN — Length of a character entity
• LEN_TRIM — Length of a character entity without trailing blank characters
• LGE — Lexical greater than or equal
• LGT — Lexical greater than
• LINK — Create a hard link
• LLE — Lexical less than or equal
• LLT — Lexical less than
• LNBLNK — Index of the last non-blank character in a string
• LOC — Returns the address of a variable
• LOG — Natural logarithm function
• LOG10 — Base 10 logarithm function
• LOG_GAMMA — Logarithm of the Gamma function
• LOGICAL — Convert to logical type
• LONG — Convert to integer type
• LSHIFT — Left shift bits
• LSTAT — Get file status
• LTIME — Convert time to local time info
• MALLOC — Allocate dynamic memory
• MASKL — Left justified mask
• MASKR — Right justified mask
• MATMUL — matrix multiplication
• MAX — Maximum value of an argument list
• MAXEXPONENT — Maximum exponent of a real kind
• MAXLOC — Location of the maximum value within an array
• MAXVAL — Maximum value of an array
• MCLOCK — Time function
• MCLOCK8 — Time function (64-bit)
• MERGE — Merge variables
• MERGE_BITS — Merge of bits under mask
• MIN — Minimum value of an argument list
• MINEXPONENT — Minimum exponent of a real kind
• MINLOC — Location of the minimum value within an array
• MINVAL — Minimum value of an array
• MOD — Remainder function
• MODULO — Modulo function
• MOVE_ALLOC — Move allocation from one object to another
• MVBITS — Move bits from one integer to another
• NEAREST — Nearest representable number
• NEW_LINE — New line character
• NINT — Nearest whole number
• NORM2 — Euclidean vector norms
• NOT — Logical negation
• NULL — Function that returns an disassociated pointer
• NUM_IMAGES — Function that returns the number of images
• OR — Bitwise logical OR
• PACK — Pack an array into an array of rank one
• PARITY — Reduction with exclusive OR
• PERROR — Print system error message
• POPCNT — Number of bits set
• POPPAR — Parity of the number of bits set
• PRECISION — Decimal precision of a real kind
• PRESENT — Determine whether an optional dummy argument is specified
• PRODUCT — Product of array elements
• RADIX — Base of a model number
• RAN — Real pseudo-random number
• RAND — Real pseudo-random number
• RANDOM_INIT — Initialize a pseudo-random number generator
• RANDOM_NUMBER — Pseudo-random number
• RANDOM_SEED — Initialize a pseudo-random number sequence
• RANGE — Decimal exponent range
• RANK — Rank of a data object
• REAL — Convert to real type
• RENAME — Rename a file
• REPEAT — Repeated string concatenation
• RESHAPE — Function to reshape an array
• RRSPACING — Reciprocal of the relative spacing
• RSHIFT — Right shift bits
• SAME_TYPE_AS — Query dynamic types for equality
• SCALE — Scale a real value
• SCAN — Scan a string for the presence of a set of characters
• SECNDS — Time function
• SECOND — CPU time function
• SELECTED_CHAR_KIND — Choose character kind
• SELECTED_INT_KIND — Choose integer kind
• SELECTED_REAL_KIND — Choose real kind
• SET_EXPONENT — Set the exponent of the model
• SHAPE — Determine the shape of an array
• SHIFTA — Right shift with fill
• SHIFTL — Left shift
• SHIFTR — Right shift
• SIGN — Sign copying function
• SIGNAL — Signal handling subroutine (or function)
• SIN — Sine function
• SIND — Sine function, degrees
• SINH — Hyperbolic sine function
• SIZE — Determine the size of an array
• SIZEOF — Size in bytes of an expression
• SLEEP — Sleep for the specified number of seconds
• SPACING — Smallest distance between two numbers of a given type
• SPREAD — Add a dimension to an array
• SQRT — Square-root function
• SRAND — Reinitialize the random number generator
• STAT — Get file status
• STORAGE_SIZE — Storage size in bits
• SUM — Sum of array elements
• SYMLNK — Create a symbolic link
• SYSTEM — Execute a shell command
• SYSTEM_CLOCK — Time function
• TAN — Tangent function
• TAND — Tangent function, degrees
• TANH — Hyperbolic tangent function
• THIS_IMAGE — Function that returns the cosubscript index of this image
• TIME — Time function
• TIME8 — Time function (64-bit)
• TINY — Smallest positive number of a real kind
• TRAILZ — Number of trailing zero bits of an integer
• TRANSFER — Transfer bit patterns
• TRANSPOSE — Transpose an array of rank two
• TRIM — Remove trailing blank characters of a string
• TTYNAM — Get the name of a terminal device.
• UBOUND — Upper dimension bounds of an array
• UCOBOUND — Upper codimension bounds of an array
• UMASK — Set the file creation mask
• UNLINK — Remove a file from the file system
• UNPACK — Unpack an array of rank one into an array
• VERIFY — Scan a string for characters not a given set
• XOR — Bitwise logical exclusive OR