Keyword Index (The GNU Fortran Compiler)

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Keyword Index ¶

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_
	Index Entry	Section

	`_gfortran_set_args`	_gfortran_set_args
	`_gfortran_set_convert`	_gfortran_set_convert
	`_gfortran_set_fpe`	_gfortran_set_fpe
	`_gfortran_set_max_subrecord_length`	_gfortran_set_max_subrecord_length
	`_gfortran_set_options`	_gfortran_set_options
	`_gfortran_set_record_marker`	_gfortran_set_record_marker

&
	`&`	Error and Warning Options

%
	`%LOC`	Argument list functions
	`%REF`	Argument list functions
	`%VAL`	Argument list functions

$
	`$`	Fortran Dialect Options

A
	`ABORT`	ABORT
	`ABS`	ABS
	absolute value	ABS
	`ACCESS`	ACCESS
	`ACHAR`	ACHAR
	`ACOS`	ACOS
	`ACOSD`	ACOSD
	`ACOSH`	ACOSH
	adjust string	ADJUSTL
	adjust string	ADJUSTR
	`ADJUSTL`	ADJUSTL
	`ADJUSTR`	ADJUSTR
	`AIMAG`	AIMAG
	`AINT`	AINT
	`ALARM`	ALARM
	`ALGAMA`	LOG_GAMMA
	aliasing	Error and Warning Options
	alignment of `COMMON` blocks	Error and Warning Options
	alignment of `COMMON` blocks	Code Gen Options
	`ALL`	ALL
	all warnings	Error and Warning Options
	`ALLOCATED`	ALLOCATED
	allocation, moving	MOVE_ALLOC
	allocation, status	ALLOCATED
	`ALOG`	LOG
	`ALOG10`	LOG10
	`AMAX0`	MAX
	`AMAX1`	MAX
	`AMIN0`	MIN
	`AMIN1`	MIN
	`AMOD`	MOD
	`AND`	AND
	`ANINT`	ANINT
	`ANY`	ANY
	area hyperbolic cosine	ACOSH
	area hyperbolic sine	ASINH
	area hyperbolic tangent	ATANH
	argument list functions	Argument list functions
	arguments, to program	COMMAND_ARGUMENT_COUNT
	arguments, to program	GETARG
	arguments, to program	GET_COMMAND
	arguments, to program	GET_COMMAND_ARGUMENT
	arguments, to program	IARGC
	array descriptor	Further Interoperability of Fortran with C
	array, add elements	SUM
	array, AND	IALL
	array, apply condition	ALL
	array, apply condition	ANY
	array, bounds checking	Code Gen Options
	array, change dimensions	RESHAPE
	array, combine arrays	MERGE
	array, condition testing	ALL
	array, condition testing	ANY
	array, conditionally add elements	SUM
	array, conditionally count elements	COUNT
	array, conditionally multiply elements	PRODUCT
	array, contiguity	IS_CONTIGUOUS
	array, count elements	SIZE
	array, duplicate dimensions	SPREAD
	array, duplicate elements	SPREAD
	array, element counting	COUNT
	array, gather elements	PACK
	array, increase dimension	SPREAD
	array, increase dimension	UNPACK
	array, indices of type real	Real array indices
	array, location of maximum element	MAXLOC
	array, location of minimum element	MINLOC
	array, lower bound	LBOUND
	array, maximum value	MAXVAL
	array, merge arrays	MERGE
	array, minimum value	MINVAL
	array, multiply elements	PRODUCT
	array, number of elements	COUNT
	array, number of elements	SIZE
	array, OR	IANY
	array, packing	PACK
	array, parity	IPARITY
	array, permutation	CSHIFT
	array, product	PRODUCT
	array, reduce dimension	PACK
	array, rotate	CSHIFT
	array, scatter elements	UNPACK
	array, shape	SHAPE
	array, shift	EOSHIFT
	array, shift circularly	CSHIFT
	array, size	SIZE
	array, sum	SUM
	array, transmogrify	RESHAPE
	array, transpose	TRANSPOSE
	array, unpacking	UNPACK
	array, upper bound	UBOUND
	array, XOR	IPARITY
	ASCII collating sequence	ACHAR
	ASCII collating sequence	IACHAR
	`ASIN`	ASIN
	`ASIND`	ASIND
	`ASINH`	ASINH
	`ASSOCIATED`	ASSOCIATED
	association status	ASSOCIATED
	association status, C pointer	C_ASSOCIATED
	assumed-rank	Further Interoperability of Fortran with C
	assumed-type	Further Interoperability of Fortran with C
	asynchronous I/O	Asynchronous I/O
	`ATAN`	ATAN
	`ATAN2`	ATAN2
	`ATAN2D`	ATAN2D
	`ATAND`	ATAND
	`ATANH`	ATANH
	Atomic subroutine, add	ATOMIC_ADD
	Atomic subroutine, ADD with fetch	ATOMIC_FETCH_ADD
	Atomic subroutine, AND	ATOMIC_AND
	Atomic subroutine, AND with fetch	ATOMIC_FETCH_AND
	Atomic subroutine, compare and swap	ATOMIC_CAS
	Atomic subroutine, define	ATOMIC_DEFINE
	Atomic subroutine, OR	ATOMIC_OR
	Atomic subroutine, OR with fetch	ATOMIC_FETCH_OR
	Atomic subroutine, reference	ATOMIC_REF
	Atomic subroutine, XOR	ATOMIC_XOR
	Atomic subroutine, XOR with fetch	ATOMIC_FETCH_XOR
	`ATOMIC_ADD`	ATOMIC_ADD
	`ATOMIC_AND`	ATOMIC_AND
	`ATOMIC_DEFINE`	ATOMIC_CAS
	`ATOMIC_DEFINE`	ATOMIC_DEFINE
	`ATOMIC_FETCH_ADD`	ATOMIC_FETCH_ADD
	`ATOMIC_FETCH_AND`	ATOMIC_FETCH_AND
	`ATOMIC_FETCH_OR`	ATOMIC_FETCH_OR
	`ATOMIC_FETCH_XOR`	ATOMIC_FETCH_XOR
	`ATOMIC_OR`	ATOMIC_OR
	`ATOMIC_REF`	ATOMIC_REF
	`ATOMIC_XOR`	ATOMIC_XOR
	Authors	Contributors
	`AUTOMATIC`	AUTOMATIC and STATIC attributes

B
	`BABS`	ABS
	backslash	Fortran Dialect Options
	`BACKSPACE`	Read/Write after EOF marker
	`BACKTRACE`	BACKTRACE
	backtrace	Debugging Options
	backtrace	BACKTRACE
	base 10 logarithm function	LOG10
	`BBCLR`	IBCLR
	`BBITS`	IBITS
	`BBSET`	IBSET
	`BBTEST`	BTEST
	`BESJ0`	BESSEL_J0
	`BESJ1`	BESSEL_J1
	`BESJN`	BESSEL_JN
	Bessel function, first kind	BESSEL_J0
	Bessel function, first kind	BESSEL_J1
	Bessel function, first kind	BESSEL_JN
	Bessel function, second kind	BESSEL_Y0
	Bessel function, second kind	BESSEL_Y1
	Bessel function, second kind	BESSEL_YN
	`BESSEL_J0`	BESSEL_J0
	`BESSEL_J1`	BESSEL_J1
	`BESSEL_JN`	BESSEL_JN
	`BESSEL_Y0`	BESSEL_Y0
	`BESSEL_Y1`	BESSEL_Y1
	`BESSEL_YN`	BESSEL_YN
	`BESY0`	BESSEL_Y0
	`BESY1`	BESSEL_Y1
	`BESYN`	BESSEL_YN
	`BGE`	BGE
	`BGT`	BGT
	`BIAND`	IAND
	`BIEOR`	IEOR
	binary representation	POPCNT
	binary representation	POPPAR
	`BIOR`	IOR
	bit intrinsics checking	Code Gen Options
	`BIT_SIZE`	BIT_SIZE
	`BITEST`	BTEST
	bits set	POPCNT
	bits, AND of array elements	IALL
	bits, clear	IBCLR
	bits, extract	IBITS
	bits, get	IBITS
	bits, merge	MERGE_BITS
	bits, move	MVBITS
	bits, move	TRANSFER
	bits, negate	NOT
	bits, number of	BIT_SIZE
	bits, OR of array elements	IANY
	bits, set	IBSET
	bits, shift	ISHFT
	bits, shift circular	ISHFTC
	bits, shift left	LSHIFT
	bits, shift left	SHIFTL
	bits, shift right	RSHIFT
	bits, shift right	SHIFTA
	bits, shift right	SHIFTR
	bits, testing	BTEST
	bits, unset	IBCLR
	bits, XOR of array elements	IPARITY
	bitwise comparison	BGE
	bitwise comparison	BGT
	bitwise comparison	BLE
	bitwise comparison	BLT
	bitwise logical and	AND
	bitwise logical and	IAND
	bitwise logical exclusive or	IEOR
	bitwise logical exclusive or	XOR
	bitwise logical not	NOT
	bitwise logical or	IOR
	bitwise logical or	OR
	`BJTEST`	BTEST
	`BKTEST`	BTEST
	`BLE`	BLE
	`BLT`	BLT
	`BMOD`	MOD
	`BMVBITS`	MVBITS
	`BNOT`	NOT
	bounds checking	Code Gen Options
	BOZ literal constants	BOZ literal constants
	`BSHFT`	ISHFT
	`BSHFTC`	ISHFTC
	`BTEST`	BTEST

C
	C derived type and struct interoperability	Derived Types and struct
	C interoperability	Interoperability with C
	C intrinsic type interoperability	Intrinsic Types
	C pointers	Working with C Pointers
	C procedure interoperability	Interoperable Subroutines and Functions
	C variable interoperability	Interoperable Global Variables
	`C_ASSOCIATED`	C_ASSOCIATED
	`C_F_POINTER`	C_F_POINTER
	`C_F_PROCPOINTER`	C_F_PROCPOINTER
	`C_FUNLOC`	C_FUNLOC
	`C_LOC`	C_LOC
	`C_SIZEOF`	C_SIZEOF
	`CABS`	ABS
	calling convention	Code Gen Options
	`CARRIAGECONTROL`	Extended I/O specifiers
	`CCOS`	COS
	`CCOSD`	COSD
	`CDABS`	ABS
	`CDCOS`	COS
	`CDCOSD`	COSD
	`CDEXP`	EXP
	`CDLOG`	LOG
	`CDSIN`	SIN
	`CDSIND`	SIND
	`CDSQRT`	SQRT
	`CEILING`	CEILING
	ceiling	ANINT
	ceiling	CEILING
	`CEXP`	EXP
	`CHAR`	CHAR
	character kind	SELECTED_CHAR_KIND
	character set	Fortran Dialect Options
	`CHDIR`	CHDIR
	checking array temporaries	Code Gen Options
	checking subscripts	Code Gen Options
	`CHMOD`	CHMOD
	clock ticks	MCLOCK
	clock ticks	MCLOCK8
	clock ticks	SYSTEM_CLOCK
	`CLOG`	LOG
	`CMPLX`	CMPLX
	`CO_BROADCAST`	CO_BROADCAST
	`CO_MAX`	CO_MAX
	`CO_MIN`	CO_MIN
	`CO_REDUCE`	CO_REDUCE
	`CO_SUM`	CO_SUM
	Coarray, _gfortran_caf_atomic_cas	_gfortran_caf_atomic_cas
	Coarray, _gfortran_caf_atomic_define	_gfortran_caf_atomic_define
	Coarray, _gfortran_caf_atomic_op	_gfortran_caf_atomic_op
	Coarray, _gfortran_caf_atomic_ref	_gfortran_caf_atomic_ref
	Coarray, _gfortran_caf_co_broadcast	_gfortran_caf_co_broadcast
	Coarray, _gfortran_caf_co_max	_gfortran_caf_co_max
	Coarray, _gfortran_caf_co_min	_gfortran_caf_co_min
	Coarray, _gfortran_caf_co_reduce	_gfortran_caf_co_reduce
	Coarray, _gfortran_caf_co_sum	_gfortran_caf_co_sum
	Coarray, _gfortran_caf_deregister	_gfortran_caf_deregister
	Coarray, _gfortran_caf_error_stop	_gfortran_caf_error_stop
	Coarray, _gfortran_caf_error_stop_str	_gfortran_caf_error_stop_str
	Coarray, _gfortran_caf_event_post	_gfortran_caf_event_post
	Coarray, _gfortran_caf_event_query	_gfortran_caf_event_query
	Coarray, _gfortran_caf_event_wait	_gfortran_caf_event_wait
	Coarray, _gfortran_caf_fail_image	_gfortran_caf_fail_image
	Coarray, _gfortran_caf_failed_images	_gfortran_caf_failed_images
	Coarray, _gfortran_caf_finish	_gfortran_caf_finish
	Coarray, _gfortran_caf_get	_gfortran_caf_get
	Coarray, _gfortran_caf_get_by_ref	_gfortran_caf_get_by_ref
	Coarray, _gfortran_caf_image_status	_gfortran_caf_image_status
	Coarray, _gfortran_caf_init	_gfortran_caf_init
	Coarray, _gfortran_caf_is_present	_gfortran_caf_is_present
	Coarray, _gfortran_caf_lock	_gfortran_caf_lock
	Coarray, _gfortran_caf_num_images	_gfortran_caf_num_images
	Coarray, _gfortran_caf_register	_gfortran_caf_register
	Coarray, _gfortran_caf_send	_gfortran_caf_send
	Coarray, _gfortran_caf_send_by_ref	_gfortran_caf_send_by_ref
	Coarray, _gfortran_caf_sendget	_gfortran_caf_sendget
	Coarray, _gfortran_caf_sendget_by_ref	_gfortran_caf_sendget_by_ref
	Coarray, _gfortran_caf_stopped_images	_gfortran_caf_stopped_images
	Coarray, _gfortran_caf_sync_all	_gfortran_caf_sync_all
	Coarray, _gfortran_caf_sync_images	_gfortran_caf_sync_images
	Coarray, _gfortran_caf_sync_memory	_gfortran_caf_sync_memory
	Coarray, _gfortran_caf_this_image	_gfortran_caf_this_image
	Coarray, _gfortran_caf_unlock	_gfortran_caf_unlock
	coarray, `IMAGE_INDEX`	IMAGE_INDEX
	coarray, lower bound	LCOBOUND
	coarray, `NUM_IMAGES`	NUM_IMAGES
	coarray, `THIS_IMAGE`	THIS_IMAGE
	coarray, upper bound	UCOBOUND
	coarrays	Code Gen Options
	Coarrays	Coarray Programming
	code generation, conventions	Code Gen Options
	collating sequence, ASCII	ACHAR
	collating sequence, ASCII	IACHAR
	Collectives, generic reduction	CO_REDUCE
	Collectives, maximal value	CO_MAX
	Collectives, minimal value	CO_MIN
	Collectives, sum of values	CO_SUM
	Collectives, value broadcasting	CO_BROADCAST
	command line	EXECUTE_COMMAND_LINE
	command options	Invoking GNU Fortran
	`COMMAND_ARGUMENT_COUNT`	COMMAND_ARGUMENT_COUNT
	command-line arguments	COMMAND_ARGUMENT_COUNT
	command-line arguments	GETARG
	command-line arguments	GET_COMMAND
	command-line arguments	GET_COMMAND_ARGUMENT
	command-line arguments	IARGC
	command-line arguments, number of	COMMAND_ARGUMENT_COUNT
	command-line arguments, number of	IARGC
	`COMMON`	Volatile COMMON blocks
	compiler flags inquiry function	COMPILER_OPTIONS
	`COMPILER_OPTIONS`	COMPILER_OPTIONS
	`COMPILER_VERSION`	COMPILER_VERSION
	compiler, name and version	COMPILER_VERSION
	`COMPLEX`	COMPLEX
	complex conjugate	CONJG
	Complex function	Alternate complex function syntax
	complex numbers, conversion to	CMPLX
	complex numbers, conversion to	COMPLEX
	complex numbers, conversion to	DCMPLX
	complex numbers, imaginary part	AIMAG
	complex numbers, real part	DREAL
	complex numbers, real part	REAL
	conditional compilation	Fortran 95 status
	Conditional compilation	Preprocessing Options
	`CONJG`	CONJG
	consistency, durability	Data consistency and durability
	Contributing	Contributing
	Contributors	Contributors
	conversion	Error and Warning Options
	conversion	Error and Warning Options
	conversion, to character	Character conversion
	conversion, to character	CHAR
	conversion, to complex	CMPLX
	conversion, to complex	COMPLEX
	conversion, to complex	DCMPLX
	conversion, to integer	Implicitly convert LOGICAL and INTEGER values
	conversion, to integer	IACHAR
	conversion, to integer	ICHAR
	conversion, to integer	INT
	conversion, to integer	INT2
	conversion, to integer	INT8
	conversion, to logical	Implicitly convert LOGICAL and INTEGER values
	conversion, to logical	LOGICAL
	conversion, to real	DBLE
	conversion, to real	REAL
	conversion, to string	CTIME
	`CONVERT` specifier	CONVERT specifier
	core, dump	ABORT
	`COS`	COS
	`COSD`	COSD
	`COSH`	COSH
	cosine	COS
	cosine, degrees	COSD
	cosine, hyperbolic	COSH
	cosine, hyperbolic, inverse	ACOSH
	cosine, inverse	ACOS
	cosine, inverse, degrees	ACOSD
	`COTAN`	COTAN
	`COTAND`	COTAND
	cotangent	COTAN
	cotangent, degrees	COTAND
	`COUNT`	COUNT
	CPP	Preprocessing Options
	`CPU_TIME`	CPU_TIME
	Credits	Contributors
	`CSHIFT`	CSHIFT
	`CSIN`	SIN
	`CSIND`	SIND
	`CSQRT`	SQRT
	`CTIME`	CTIME
	current date	DATE_AND_TIME
	current date	FDATE
	current date	IDATE
	current time	DATE_AND_TIME
	current time	FDATE
	current time	ITIME
	current time	TIME
	current time	TIME8

D
	`DABS`	ABS
	`DACOS`	ACOS
	`DACOSD`	ACOSD
	`DACOSH`	ACOSH
	`DASIN`	ASIN
	`DASIND`	ASIND
	`DASINH`	ASINH
	`DATAN`	ATAN
	`DATAN2`	ATAN2
	`DATAN2D`	ATAN2D
	`DATAND`	ATAND
	`DATANH`	ATANH
	`DATE_AND_TIME`	DATE_AND_TIME
	date, current	DATE_AND_TIME
	date, current	FDATE
	date, current	IDATE
	`DBESJ0`	BESSEL_J0
	`DBESJ1`	BESSEL_J1
	`DBESJN`	BESSEL_JN
	`DBESY0`	BESSEL_Y0
	`DBESY1`	BESSEL_Y1
	`DBESYN`	BESSEL_YN
	`DBLE`	DBLE
	`DCMPLX`	DCMPLX
	`DCONJG`	CONJG
	`DCOS`	COS
	`DCOSD`	COSD
	`DCOSH`	COSH
	`DCOTAN`	COTAN
	`DCOTAND`	COTAND
	`DDIM`	DIM
	debugging information options	Debugging Options
	debugging, preprocessor	Preprocessing Options
	debugging, preprocessor	Preprocessing Options
	debugging, preprocessor	Preprocessing Options
	debugging, preprocessor	Preprocessing Options
	debugging, preprocessor	Preprocessing Options
	`DECODE`	ENCODE and DECODE statements
	delayed execution	ALARM
	delayed execution	SLEEP
	derived type interoperability with C	Derived Types and struct
	`DEXP`	EXP
	`DFLOAT`	REAL
	`DGAMMA`	GAMMA
	dialect options	Fortran Dialect Options
	`DIGITS`	DIGITS
	`DIM`	DIM
	`DIMAG`	AIMAG
	`DINT`	AINT
	directive, `INCLUDE`	Directory Options
	directory, options	Directory Options
	directory, search paths for inclusion	Directory Options
	division, modulo	MODULO
	division, remainder	MOD
	`DLGAMA`	LOG_GAMMA
	`DLOG`	LOG
	`DLOG10`	LOG10
	`DMAX1`	MAX
	`DMIN1`	MIN
	`DMOD`	MOD
	`DNINT`	ANINT
	dope vector	Further Interoperability of Fortran with C
	dot product	DOT_PRODUCT
	`DOT_PRODUCT`	DOT_PRODUCT
	`DPROD`	DPROD
	`DREAL`	DREAL
	`DSHIFTL`	DSHIFTL
	`DSHIFTR`	DSHIFTR
	`DSIGN`	SIGN
	`DSIN`	SIN
	`DSIND`	SIND
	`DSINH`	SINH
	`DSQRT`	SQRT
	`DTAN`	TAN
	`DTAND`	TAND
	`DTANH`	TANH
	`DTIME`	DTIME
	dummy argument, unused	Error and Warning Options

E
	elapsed time	DTIME
	elapsed time	SECNDS
	elapsed time	SECOND
	Elimination of functions with identical argument lists	Code Gen Options
	`ENCODE`	ENCODE and DECODE statements
	environment variable	Environment Variables
	environment variable	Runtime
	environment variable	GETENV
	environment variable	GET_ENVIRONMENT_VARIABLE
	`EOF`	Read/Write after EOF marker
	`EOSHIFT`	EOSHIFT
	`EPSILON`	EPSILON
	`ERF`	ERF
	`ERFC`	ERFC
	`ERFC_SCALED`	ERFC_SCALED
	error function	ERF
	error function, complementary	ERFC
	error function, complementary, exponentially-scaled	ERFC_SCALED
	errors, limiting	Error and Warning Options
	escape characters	Fortran Dialect Options
	`ETIME`	ETIME
	Euclidean distance	HYPOT
	Euclidean vector norm	NORM2
	`EVENT_QUERY`	EVENT_QUERY
	Events, EVENT_QUERY	EVENT_QUERY
	`EXECUTE_COMMAND_LINE`	EXECUTE_COMMAND_LINE
	`EXIT`	EXIT
	`EXP`	EXP
	`EXPONENT`	EXPONENT
	exponent	Default exponents
	exponential function	EXP
	exponential function, inverse	LOG
	exponential function, inverse	LOG10
	expression size	C_SIZEOF
	expression size	SIZEOF
	`EXTENDS_TYPE_OF`	EXTENDS_TYPE_OF
	extensions	Extensions
	extensions, implemented	Extensions implemented in GNU Fortran
	extensions, not implemented	Extensions not implemented in GNU Fortran
	extra warnings	Error and Warning Options

F
	`f2c` calling convention	Code Gen Options
	`f2c` calling convention	Code Gen Options
	Factorial function	GAMMA
	`FDATE`	FDATE
	FDL, GNU Free Documentation License	GNU Free Documentation License
	`FGET`	FGET
	`FGETC`	FGETC
	file format, fixed	Fortran Dialect Options
	file format, fixed	Fortran Dialect Options
	file format, free	Fortran Dialect Options
	file format, free	Fortran Dialect Options
	file operation, file number	FNUM
	file operation, flush	FLUSH
	file operation, position	FSEEK
	file operation, position	FTELL
	file operation, read character	FGET
	file operation, read character	FGETC
	file operation, seek	FSEEK
	file operation, write character	FPUT
	file operation, write character	FPUTC
	file system, access mode	ACCESS
	file system, change access mode	CHMOD
	file system, create link	LINK
	file system, create link	SYMLNK
	file system, file creation mask	UMASK
	file system, file status	FSTAT
	file system, file status	LSTAT
	file system, file status	STAT
	file system, hard link	LINK
	file system, remove file	UNLINK
	file system, rename file	RENAME
	file system, soft link	SYMLNK
	file, symbolic link	File operations on symbolic links
	file, unformatted sequential	File format of unformatted sequential files
	`FINDLOC`	FINDLOC
	findloc	FINDLOC
	flags inquiry function	COMPILER_OPTIONS
	`FLOAT`	REAL
	`FLOATI`	REAL
	floating point, exponent	EXPONENT
	floating point, fraction	FRACTION
	floating point, nearest different	NEAREST
	floating point, relative spacing	RRSPACING
	floating point, relative spacing	SPACING
	floating point, scale	SCALE
	floating point, set exponent	SET_EXPONENT
	`FLOATJ`	REAL
	`FLOATK`	REAL
	`FLOOR`	FLOOR
	floor	AINT
	floor	FLOOR
	`FLUSH`	FLUSH
	`FNUM`	FNUM
	form feed whitespace	Form feed as whitespace
	`FORMAT`	Variable FORMAT expressions
	FPP	Preprocessing Options
	`FPUT`	FPUT
	`FPUTC`	FPUTC
	`FRACTION`	FRACTION
	`FREE`	FREE
	Front-end optimization	Code Gen Options
	`FSEEK`	FSEEK
	`FSTAT`	FSTAT
	`FTELL`	FTELL
	function elimination	Error and Warning Options
	function interoperability with C	Interoperable Subroutines and Functions
	Further Interoperability of Fortran with C	Further Interoperability of Fortran with C

G
	`g77` calling convention	Code Gen Options
	`g77` calling convention	Code Gen Options
	`GAMMA`	GAMMA
	Gamma function	GAMMA
	Gamma function, logarithm of	LOG_GAMMA
	GCC	GNU Fortran and GCC
	Generating C prototypes from external procedures	Interoperability Options
	Generating C prototypes from Fortran BIND(C) enteties	Interoperability Options
	`GERROR`	GERROR
	`GET_COMMAND`	GET_COMMAND
	`GET_COMMAND_ARGUMENT`	GET_COMMAND_ARGUMENT
	`GET_ENVIRONMENT_VARIABLE`	GET_ENVIRONMENT_VARIABLE
	`GETARG`	GETARG
	`GETCWD`	GETCWD
	`GETENV`	GETENV
	`GETGID`	GETGID
	`GETLOG`	GETLOG
	`GETPID`	GETPID
	`GETUID`	GETUID
	`GMTIME`	GMTIME
	GNU Compiler Collection	GNU Fortran and GCC
	GNU Fortran command options	Invoking GNU Fortran

H
	Hollerith constants	Hollerith constants support
	`HOSTNM`	HOSTNM
	`HUGE`	HUGE
	hyperbolic cosine	COSH
	hyperbolic function, cosine	COSH
	hyperbolic function, cosine, inverse	ACOSH
	hyperbolic function, sine	SINH
	hyperbolic function, sine, inverse	ASINH
	hyperbolic function, tangent	TANH
	hyperbolic function, tangent, inverse	ATANH
	hyperbolic sine	SINH
	hyperbolic tangent	TANH
	`HYPOT`	HYPOT

I
	I/O item lists	I/O item lists
	I/O specifiers	Extended I/O specifiers
	`IABS`	ABS
	`IACHAR`	IACHAR
	`IALL`	IALL
	`IAND`	IAND
	`IANY`	IANY
	`IARGC`	IARGC
	`IBCLR`	IBCLR
	`IBITS`	IBITS
	`IBSET`	IBSET
	`ICHAR`	ICHAR
	`IDATE`	IDATE
	`IDIM`	DIM
	`IDINT`	INT
	`IDNINT`	NINT
	IEEE, ISNAN	ISNAN
	`IEOR`	IEOR
	`IERRNO`	IERRNO
	`IFIX`	INT
	`IIABS`	ABS
	`IIAND`	IAND
	`IIBCLR`	IBCLR
	`IIBITS`	IBITS
	`IIBSET`	IBSET
	`IIEOR`	IEOR
	`IIOR`	IOR
	`IISHFT`	ISHFT
	`IISHFTC`	ISHFTC
	`IMAG`	AIMAG
	`IMAGE_INDEX`	IMAGE_INDEX
	images, cosubscript to image index conversion	IMAGE_INDEX
	images, index of this image	THIS_IMAGE
	images, number of	NUM_IMAGES
	`IMAGPART`	AIMAG
	`IMOD`	MOD
	`IMVBITS`	MVBITS
	`INCLUDE` directive	Directory Options
	inclusion, directory search paths for	Directory Options
	`INDEX`	INDEX intrinsic
	`INOT`	NOT
	input/output, asynchronous	Asynchronous I/O
	`INT`	INT
	`INT2`	INT2
	`INT8`	INT8
	integer kind	SELECTED_INT_KIND
	Interoperability	Mixed-Language Programming
	interoperability with C	Interoperability with C
	interoperability, derived type and struct	Derived Types and struct
	interoperability, intrinsic type	Intrinsic Types
	interoperability, subroutine and function	Interoperable Subroutines and Functions
	interoperability, variable	Interoperable Global Variables
	intrinsic	Error and Warning Options
	intrinsic	Error and Warning Options
	intrinsic Modules	Intrinsic Modules
	intrinsic procedures	Intrinsic Procedures
	intrinsic type interoperability with C	Intrinsic Types
	intrinsics, integer	Type variants for integer intrinsics
	intrinsics, math	Extended math intrinsics
	intrinsics, trigonometric functions	Extended math intrinsics
	Introduction	Top
	inverse hyperbolic cosine	ACOSH
	inverse hyperbolic sine	ASINH
	inverse hyperbolic tangent	ATANH
	`IOR`	IOR
	`IOSTAT`, end of file	IS_IOSTAT_END
	`IOSTAT`, end of record	IS_IOSTAT_EOR
	`IPARITY`	IPARITY
	`IRAND`	IRAND
	`IS_IOSTAT_END`	IS_IOSTAT_END
	`IS_IOSTAT_EOR`	IS_CONTIGUOUS
	`IS_IOSTAT_EOR`	IS_IOSTAT_EOR
	`ISATTY`	ISATTY
	`ISHFT`	ISHFT
	`ISHFTC`	ISHFTC
	`ISIGN`	SIGN
	`ISNAN`	ISNAN
	`ITIME`	ITIME

J
	`JIABS`	ABS
	`JIAND`	IAND
	`JIBCLR`	IBCLR
	`JIBITS`	IBITS
	`JIBSET`	IBSET
	`JIEOR`	IEOR
	`JIOR`	IOR
	`JISHFT`	ISHFT
	`JISHFTC`	ISHFTC
	`JMOD`	MOD
	`JMVBITS`	MVBITS
	`JNOT`	NOT

K
	`KIABS`	ABS
	`KIAND`	IAND
	`KIBCLR`	IBCLR
	`KIBITS`	IBITS
	`KIBSET`	IBSET
	`KIEOR`	IEOR
	`KILL`	KILL
	kind	KIND Type Parameters
	`KIND`	KIND
	kind	KIND
	kind, character	SELECTED_CHAR_KIND
	kind, integer	SELECTED_INT_KIND
	kind, old-style	Old-style kind specifications
	kind, real	SELECTED_REAL_KIND
	`KIOR`	IOR
	`KISHFT`	ISHFT
	`KISHFTC`	ISHFTC
	`KMOD`	MOD
	`KMVBITS`	MVBITS
	`KNOT`	NOT

L
	L2 vector norm	NORM2
	language, dialect options	Fortran Dialect Options
	`LBOUND`	LBOUND
	`LCOBOUND`	LCOBOUND
	`LEADZ`	LEADZ
	left shift, combined	DSHIFTL
	`LEN`	LEN
	`LEN_TRIM`	LEN_TRIM
	lexical comparison of strings	LGE
	lexical comparison of strings	LGT
	lexical comparison of strings	LLE
	lexical comparison of strings	LLT
	`LGAMMA`	LOG_GAMMA
	`LGE`	LGE
	`LGT`	LGT
	libf2c calling convention	Code Gen Options
	libf2c calling convention	Code Gen Options
	libgfortran initialization, set_args	_gfortran_set_args
	libgfortran initialization, set_convert	_gfortran_set_convert
	libgfortran initialization, set_fpe	_gfortran_set_fpe
	libgfortran initialization, set_max_subrecord_length	_gfortran_set_max_subrecord_length
	libgfortran initialization, set_options	_gfortran_set_options
	libgfortran initialization, set_record_marker	_gfortran_set_record_marker
	limits, largest number	HUGE
	limits, smallest number	TINY
	`LINK`	LINK
	linking, static	Link Options
	`LLE`	LLE
	`LLT`	LLT
	`LNBLNK`	LNBLNK
	LOC	%LOC as an rvalue
	`LOC`	LOC
	location of a variable in memory	LOC
	`LOG`	LOG
	`LOG_GAMMA`	LOG_GAMMA
	`LOG10`	LOG10
	logarithm function	LOG
	logarithm function with base 10	LOG10
	logarithm function, inverse	EXP
	`LOGICAL`	LOGICAL
	logical and, bitwise	AND
	logical and, bitwise	IAND
	logical exclusive or, bitwise	IEOR
	logical exclusive or, bitwise	XOR
	logical not, bitwise	NOT
	logical or, bitwise	IOR
	logical or, bitwise	OR
	logical, bitwise	Bitwise logical operators
	logical, variable representation	Internal representation of LOGICAL variables
	login name	GETLOG
	loop interchange, Fortran	Code Gen Options
	loop interchange, warning	Error and Warning Options
	`LSHIFT`	LSHIFT
	`LSTAT`	LSTAT
	`LTIME`	LTIME

M
	`MALLOC`	MALLOC
	`MAP`	UNION and MAP
	mask, left justified	MASKL
	mask, right justified	MASKR
	`MASKL`	MASKL
	`MASKR`	MASKR
	`MATMUL`	MATMUL
	matrix multiplication	MATMUL
	matrix, transpose	TRANSPOSE
	`MAX`	MAX
	MAX, MIN, NaN	MAX and MIN intrinsics with REAL NaN arguments
	`MAX0`	MAX
	`MAX1`	MAX
	`MAXEXPONENT`	MAXEXPONENT
	maximum value	MAX
	maximum value	MAXVAL
	`MAXLOC`	MAXLOC
	`MAXVAL`	MAXVAL
	`MCLOCK`	MCLOCK
	`MCLOCK8`	MCLOCK8
	memory checking	Code Gen Options
	`MERGE`	MERGE
	`MERGE_BITS`	MERGE_BITS
	messages, error	Error and Warning Options
	messages, warning	Error and Warning Options
	`MIN`	MIN
	`MIN0`	MIN
	`MIN1`	MIN
	`MINEXPONENT`	MINEXPONENT
	minimum value	MIN
	minimum value	MINVAL
	`MINLOC`	MINLOC
	`MINVAL`	MINVAL
	Mixed-language programming	Mixed-Language Programming
	`MOD`	MOD
	model representation, base	RADIX
	model representation, epsilon	EPSILON
	model representation, largest number	HUGE
	model representation, maximum exponent	MAXEXPONENT
	model representation, minimum exponent	MINEXPONENT
	model representation, precision	PRECISION
	model representation, radix	RADIX
	model representation, range	RANGE
	model representation, significant digits	DIGITS
	model representation, smallest number	TINY
	module entities	Fortran Dialect Options
	module search path	Directory Options
	module search path	Directory Options
	module search path	Directory Options
	`MODULO`	MODULO
	modulo	MODULO
	`MOVE_ALLOC`	MOVE_ALLOC
	moving allocation	MOVE_ALLOC
	multiply array elements	PRODUCT
	`MVBITS`	MVBITS

N
	`NAME`	OPEN( ... NAME=)
	Namelist	Extensions to namelist
	natural logarithm function	LOG
	`NEAREST`	NEAREST
	`NEW_LINE`	NEW_LINE
	newline	NEW_LINE
	`NINT`	NINT
	norm, Euclidean	NORM2
	`NORM2`	NORM2
	`NOSHARED`	Extended I/O specifiers
	`NOT`	NOT
	`NULL`	NULL
	`NUM_IMAGES`	NUM_IMAGES

O
	open, action	Files opened without an explicit ACTION= specifier
	OpenACC	Fortran Dialect Options
	OpenACC	OpenACC
	OpenMP	Fortran Dialect Options
	OpenMP	OpenMP
	operators, unary	Unary operators
	operators, xor	.XOR. operator
	options inquiry function	COMPILER_OPTIONS
	options, code generation	Code Gen Options
	options, debugging	Debugging Options
	options, dialect	Fortran Dialect Options
	options, directory search	Directory Options
	options, errors	Error and Warning Options
	options, Fortran dialect	Fortran Dialect Options
	options, `gfortran` command	Invoking GNU Fortran
	options, linking	Link Options
	options, negative forms	Invoking GNU Fortran
	options, preprocessor	Preprocessing Options
	options, real kind type promotion	Fortran Dialect Options
	options, run-time	Code Gen Options
	options, runtime	Runtime Options
	options, warnings	Error and Warning Options
	`OR`	OR
	output, newline	NEW_LINE

P
	`PACK`	PACK
	PARAMETER	Legacy PARAMETER statements
	`PARITY`	PARITY
	Parity	PARITY
	parity	POPPAR
	paths, search	Directory Options
	paths, search	Directory Options
	paths, search	Directory Options
	`PERROR`	PERROR
	pointer checking	Code Gen Options
	pointer, C address of pointers	C_F_PROCPOINTER
	pointer, C address of procedures	C_FUNLOC
	pointer, C association status	C_ASSOCIATED
	pointer, convert C to Fortran	C_F_POINTER
	pointer, Cray	Cray pointers
	pointer, cray	FREE
	pointer, cray	MALLOC
	pointer, disassociated	NULL
	pointer, status	ASSOCIATED
	pointer, status	NULL
	pointers, C	Working with C Pointers
	`POPCNT`	POPCNT
	`POPPAR`	POPPAR
	positive difference	DIM
	`PRECISION`	PRECISION
	Preprocessing	Preprocessing Options
	preprocessing, assertion	Preprocessing Options
	preprocessing, assertion	Preprocessing Options
	preprocessing, define macros	Preprocessing Options
	preprocessing, define macros	Preprocessing Options
	preprocessing, include path	Preprocessing Options
	preprocessing, include path	Preprocessing Options
	preprocessing, include path	Preprocessing Options
	preprocessing, include path	Preprocessing Options
	preprocessing, include path	Preprocessing Options
	preprocessing, include path	Preprocessing Options
	preprocessing, keep comments	Preprocessing Options
	preprocessing, keep comments	Preprocessing Options
	preprocessing, no linemarkers	Preprocessing Options
	preprocessing, undefine macros	Preprocessing Options
	preprocessor	Preprocessing Options
	preprocessor, debugging	Preprocessing Options
	preprocessor, debugging	Preprocessing Options
	preprocessor, debugging	Preprocessing Options
	preprocessor, debugging	Preprocessing Options
	preprocessor, debugging	Preprocessing Options
	preprocessor, disable	Preprocessing Options
	preprocessor, enable	Preprocessing Options
	preprocessor, include file handling	Preprocessing Options
	preprocessor, working directory	Preprocessing Options
	`PRESENT`	PRESENT
	private	Fortran Dialect Options
	procedure interoperability with C	Interoperable Subroutines and Functions
	procedure pointer, convert C to Fortran	C_LOC
	process ID	GETPID
	`PRODUCT`	PRODUCT
	product, double-precision	DPROD
	product, matrix	MATMUL
	product, vector	DOT_PRODUCT
	program termination	EXIT
	program termination, with core dump	ABORT

Q
	`Q` edit descriptor	Q edit descriptor
	`Q` exponent-letter	`Q` exponent-letter

R
	`RADIX`	RADIX
	radix, real	SELECTED_REAL_KIND
	`RAN`	RAN
	`RAND`	RAND
	random number generation	IRAND
	random number generation	RAN
	random number generation	RAND
	random number generation	RANDOM_NUMBER
	random number generation, initialization	RANDOM_INIT
	random number generation, seeding	RANDOM_SEED
	random number generation, seeding	SRAND
	`RANDOM_INIT`	RANDOM_INIT
	`RANDOM_NUMBER`	RANDOM_NUMBER
	`RANDOM_SEED`	RANDOM_SEED
	`RANGE`	RANGE
	range checking	Code Gen Options
	`RANK`	RANK
	rank	RANK
	re-association of parenthesized expressions	Code Gen Options
	read character, stream mode	FGET
	read character, stream mode	FGETC
	`READONLY`	Extended I/O specifiers
	`REAL`	REAL
	real kind	SELECTED_REAL_KIND
	real number, exponent	EXPONENT
	real number, fraction	FRACTION
	real number, nearest different	NEAREST
	real number, relative spacing	RRSPACING
	real number, relative spacing	SPACING
	real number, scale	SCALE
	real number, set exponent	SET_EXPONENT
	Reallocate the LHS in assignments	Code Gen Options
	Reallocate the LHS in assignments, notification	Error and Warning Options
	`REALPART`	REAL
	`RECORD`	STRUCTURE and RECORD
	record marker	File format of unformatted sequential files
	Reduction, XOR	PARITY
	remainder	MOD
	`RENAME`	RENAME
	repacking arrays	Code Gen Options
	`REPEAT`	REPEAT
	`RESHAPE`	RESHAPE
	`REWIND`	Read/Write after EOF marker
	right shift, combined	DSHIFTR
	root	SQRT
	rounding, ceiling	ANINT
	rounding, ceiling	CEILING
	rounding, floor	AINT
	rounding, floor	FLOOR
	rounding, nearest whole number	NINT
	`RRSPACING`	RRSPACING
	`RSHIFT`	RSHIFT
	run-time checking	Code Gen Options

S
	`SAME_TYPE_AS`	SAME_TYPE_AS
	`SAVE` statement	Code Gen Options
	`SCALE`	SCALE
	`SCAN`	SCAN
	search path	Directory Options
	search paths, for included files	Directory Options
	`SECNDS`	SECNDS
	`SECOND`	SECOND
	seeding a random number generator	RANDOM_SEED
	seeding a random number generator	SRAND
	`SELECTED_CHAR_KIND`	SELECTED_CHAR_KIND
	`SELECTED_INT_KIND`	SELECTED_INT_KIND
	`SELECTED_REAL_KIND`	SELECTED_REAL_KIND
	sequential, unformatted	File format of unformatted sequential files
	`SET_EXPONENT`	SET_EXPONENT
	`SHAPE`	SHAPE
	`SHARE`	Extended I/O specifiers
	`SHARED`	Extended I/O specifiers
	shift, left	DSHIFTL
	shift, left	SHIFTL
	shift, right	DSHIFTR
	shift, right	SHIFTR
	shift, right with fill	SHIFTA
	`SHIFTA`	SHIFTA
	`SHIFTL`	SHIFTL
	`SHIFTR`	SHIFTR
	`SIGN`	SIGN
	sign copying	SIGN
	`SIGNAL`	SIGNAL
	`SIN`	SIN
	`SIND`	SIND
	sine	SIN
	sine, degrees	SIND
	sine, hyperbolic	SINH
	sine, hyperbolic, inverse	ASINH
	sine, inverse	ASIN
	sine, inverse, degrees	ASIND
	`SINH`	SINH
	`SIZE`	SIZE
	size of a variable, in bits	BIT_SIZE
	size of an expression	C_SIZEOF
	size of an expression	SIZEOF
	`SIZEOF`	SIZEOF
	`SLEEP`	SLEEP
	`SNGL`	REAL
	`SPACING`	SPACING
	`SPREAD`	SPREAD
	`SQRT`	SQRT
	square-root	SQRT
	`SRAND`	SRAND
	Standards	Standards
	`STAT`	STAT
	statement, `SAVE`	Code Gen Options
	`STATIC`	AUTOMATIC and STATIC attributes
	storage size	STORAGE_SIZE
	`STORAGE_SIZE`	STORAGE_SIZE
	stream mode, read character	FGET
	stream mode, read character	FGETC
	stream mode, write character	FPUT
	stream mode, write character	FPUTC
	string, adjust left	ADJUSTL
	string, adjust right	ADJUSTR
	string, comparison	LGE
	string, comparison	LGT
	string, comparison	LLE
	string, comparison	LLT
	string, concatenate	REPEAT
	string, find missing set	VERIFY
	string, find non-blank character	LNBLNK
	string, find subset	SCAN
	string, find substring	INDEX intrinsic
	string, length	LEN
	string, length, without trailing whitespace	LEN_TRIM
	string, remove trailing whitespace	TRIM
	string, repeat	REPEAT
	strings, varying length	Fortran 95 status
	`STRUCTURE`	STRUCTURE and RECORD
	structure packing	Code Gen Options
	subrecord	File format of unformatted sequential files
	subroutine interoperability with C	Interoperable Subroutines and Functions
	subscript checking	Code Gen Options
	substring position	INDEX intrinsic
	`SUM`	SUM
	sum array elements	SUM
	suppressing warnings	Error and Warning Options
	symbol names	Fortran Dialect Options
	symbol names, transforming	Code Gen Options
	symbol names, transforming	Code Gen Options
	symbol names, underscores	Code Gen Options
	symbol names, underscores	Code Gen Options
	`SYMLNK`	SYMLNK
	syntax checking	Error and Warning Options
	`SYSTEM`	SYSTEM
	`SYSTEM_CLOCK`	SYSTEM_CLOCK
	system, error handling	GERROR
	system, error handling	IERRNO
	system, error handling	PERROR
	system, group ID	GETGID
	system, host name	HOSTNM
	system, login name	GETLOG
	system, process ID	GETPID
	system, signal handling	SIGNAL
	system, system call	EXECUTE_COMMAND_LINE
	system, system call	SYSTEM
	system, terminal	ISATTY
	system, terminal	TTYNAM
	system, user ID	GETUID
	system, working directory	CHDIR
	system, working directory	GETCWD

T
	tabulators	Error and Warning Options
	`TAN`	TAN
	`TAND`	TAND
	tangent	TAN
	tangent, degrees	TAND
	tangent, hyperbolic	TANH
	tangent, hyperbolic, inverse	ATANH
	tangent, inverse	ATAN
	tangent, inverse	ATAN2
	tangent, inverse, degrees	ATAND
	tangent, inverse, degrees	ATAN2D
	`TANH`	TANH
	terminate program	EXIT
	terminate program, with core dump	ABORT
	`THIS_IMAGE`	THIS_IMAGE
	thread-safety, threads	Thread-safety of the runtime library
	`TIME`	TIME
	time, clock ticks	MCLOCK
	time, clock ticks	MCLOCK8
	time, clock ticks	SYSTEM_CLOCK
	time, conversion to GMT info	GMTIME
	time, conversion to local time info	LTIME
	time, conversion to string	CTIME
	time, current	DATE_AND_TIME
	time, current	FDATE
	time, current	ITIME
	time, current	TIME
	time, current	TIME8
	time, elapsed	CPU_TIME
	time, elapsed	DTIME
	time, elapsed	ETIME
	time, elapsed	SECNDS
	time, elapsed	SECOND
	`TIME8`	TIME8
	`TINY`	TINY
	trace	Debugging Options
	`TRAILZ`	TRAILZ
	`TRANSFER`	TRANSFER
	transforming symbol names	Code Gen Options
	transforming symbol names	Code Gen Options
	`TRANSPOSE`	TRANSPOSE
	transpose	TRANSPOSE
	trigonometric function, cosine	COS
	trigonometric function, cosine, degrees	COSD
	trigonometric function, cosine, inverse	ACOS
	trigonometric function, cosine, inverse, degrees	ACOSD
	trigonometric function, cotangent	COTAN
	trigonometric function, cotangent, degrees	COTAND
	trigonometric function, sine	SIN
	trigonometric function, sine, degrees	SIND
	trigonometric function, sine, inverse	ASIN
	trigonometric function, sine, inverse, degrees	ASIND
	trigonometric function, tangent	TAN
	trigonometric function, tangent, degrees	TAND
	trigonometric function, tangent, inverse	ATAN
	trigonometric function, tangent, inverse	ATAN2
	trigonometric function, tangent, inverse, degrees	ATAND
	trigonometric function, tangent, inverse, degrees	ATAN2D
	`TRIM`	TRIM
	TS 29113	Further Interoperability of Fortran with C
	`TTYNAM`	TTYNAM
	type alias print	TYPE as an alias for PRINT
	type cast	TRANSFER

U
	`UBOUND`	UBOUND
	`UCOBOUND`	UCOBOUND
	`UMASK`	UMASK
	underflow	Error and Warning Options
	underscore	Code Gen Options
	underscore	Code Gen Options
	unformatted sequential	File format of unformatted sequential files
	`UNION`	UNION and MAP
	`UNLINK`	UNLINK
	`UNPACK`	UNPACK
	unused dummy argument	Error and Warning Options
	unused parameter	Error and Warning Options
	user id	GETUID

V
	variable attributes	AUTOMATIC and STATIC attributes
	variable interoperability with C	Interoperable Global Variables
	Varying length strings	Fortran 95 status
	vector product	DOT_PRODUCT
	`VERIFY`	VERIFY
	version of the compiler	COMPILER_VERSION
	`VOLATILE`	Volatile COMMON blocks

W
	warning, C binding type	Error and Warning Options
	warnings, aliasing	Error and Warning Options
	warnings, alignment of `COMMON` blocks	Error and Warning Options
	warnings, all	Error and Warning Options
	warnings, ampersand	Error and Warning Options
	warnings, array temporaries	Error and Warning Options
	warnings, character truncation	Error and Warning Options
	warnings, conversion	Error and Warning Options
	warnings, conversion	Error and Warning Options
	warnings, division of integers	Error and Warning Options
	warnings, extra	Error and Warning Options
	warnings, function elimination	Error and Warning Options
	warnings, implicit interface	Error and Warning Options
	warnings, implicit procedure	Error and Warning Options
	warnings, integer division	Error and Warning Options
	warnings, intrinsic	Error and Warning Options
	warnings, intrinsics of other standards	Error and Warning Options
	warnings, line truncation	Error and Warning Options
	warnings, loop interchange	Error and Warning Options
	warnings, non-standard intrinsics	Error and Warning Options
	warnings, overwrite recursive	Error and Warning Options
	warnings, `q` exponent-letter	Error and Warning Options
	warnings, suppressing	Error and Warning Options
	warnings, suspicious code	Error and Warning Options
	warnings, tabs	Error and Warning Options
	warnings, to errors	Error and Warning Options
	warnings, undefined do loop	Error and Warning Options
	warnings, underflow	Error and Warning Options
	warnings, unused dummy argument	Error and Warning Options
	warnings, unused parameter	Error and Warning Options
	warnings, use statements	Error and Warning Options
	write character, stream mode	FPUT
	write character, stream mode	FPUTC

X
	`XOR`	XOR
	XOR reduction	PARITY

Z
	`ZABS`	ABS
	`ZCOS`	COS
	`ZCOSD`	COSD
	zero bits	LEADZ
	zero bits	TRAILZ
	`ZEXP`	EXP
	`ZLOG`	LOG
	`ZSIN`	SIN
	`ZSIND`	SIND
	`ZSQRT`	SQRT

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