mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-09 23:00:07 +00:00
Update.
1998-12-12 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * timezone/Makefile: Protect inclusion of z.* by avoid-generated and inhibit_timezone_rules instead of no_deps. * Make-dist: Pass inhibit_timezone_rules=t when making echo-distinfo. 1998-12-12 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * manual/Makefile (distribute): Remove dir-add.texinfo. * sysdeps/unix/sysv/linux/powerpc/Dist: Add sys/procfs.h and sys/user.h. 1998-12-11 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * manual/Makefile (stamp-summary): Use ^L as separator for sorting. * manual/arith.texi: Add comments before all @deffoox lines to get them added to the summary. * manual/creature.texi: Likewise. * manual/math.texi: Likewise. 1998-12-13 Andreas Jaeger <aj@arthur.rhein-neckar.de> * math/libm-test.c: Remove macro ISINF. Change all usages of ISINF to isinf. 1998-12-13 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/alpha/fpu/fsetexcptflg.c: Avoid -Wparentheses warning. * sysdeps/libm-ieee754/s_expm1.c (__expm1): Avoid -Wparentheses warning. * sysdeps/libm-ieee754/s_log1p.c (__log1p): Likewise. * sysdeps/libm-ieee754/e_logf.c (__ieee754_logf): Likewise. * sysdeps/libm-ieee754/s_expm1f.c (__expm1f): Likewise. * sysdeps/libm-ieee754/e_log.c (__ieee754_log): Likewise. * sysdeps/libm-ieee754/s_log1pf.c (__log1pf): Likewise. 1998-12-13 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sunrpc/svc_udp.c (svcudp_bufcreate): Declare len as socklen_t. (svcudp_recv): Likewise. 1998-12-13 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/nss-nisplus.h: Change some mappings of NIS+ errors to NSS error codes to avoid endless loops. 1998-12-12 Geoff Keating <geoffk@ozemail.com.au> * posix/fnmatch.c (fnmatch): Arguments to FOLD must not have side-effects.
This commit is contained in:
Ulrich Drepper
parent
e3743e2ffd
commit
4260bc7454
65
ChangeLog
65
ChangeLog
@ -1,7 +1,30 @@
|
||||
1998-12-13 Andreas Jaeger <aj@arthur.rhein-neckar.de>
|
||||
1998-12-12 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
|
||||
|
||||
* math/libm-test.c: Remove macro ISINF. Change all usages of
|
||||
ISINF to isinf.
|
||||
* timezone/Makefile: Protect inclusion of z.* by avoid-generated
|
||||
and inhibit_timezone_rules instead of no_deps.
|
||||
* Make-dist: Pass inhibit_timezone_rules=t when making
|
||||
echo-distinfo.
|
||||
|
||||
1998-12-12 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
|
||||
|
||||
* manual/Makefile (distribute): Remove dir-add.texinfo.
|
||||
|
||||
* sysdeps/unix/sysv/linux/powerpc/Dist: Add sys/procfs.h and
|
||||
sys/user.h.
|
||||
|
||||
1998-12-11 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
|
||||
|
||||
* manual/Makefile (stamp-summary): Use ^L as separator for
|
||||
sorting.
|
||||
* manual/arith.texi: Add comments before all @deffoox lines to get
|
||||
them added to the summary.
|
||||
* manual/creature.texi: Likewise.
|
||||
* manual/math.texi: Likewise.
|
||||
|
||||
1998-12-13 Andreas Jaeger <aj@arthur.rhein-neckar.de>
|
||||
|
||||
* math/libm-test.c: Remove macro ISINF. Change all usages of
|
||||
ISINF to isinf.
|
||||
|
||||
1998-12-13 Ulrich Drepper <drepper@cygnus.com>
|
||||
|
||||
@ -15,37 +38,37 @@
|
||||
* string/stratcliff.c: Use MAP_ANON instead of MAP_ANONYMOUS.
|
||||
Patch by UCHIYAMA Yasushi <uch@nop.or.jp>.
|
||||
|
||||
1998-12-13 Andreas Jaeger <aj@arthur.rhein-neckar.de>
|
||||
1998-12-13 Andreas Jaeger <aj@arthur.rhein-neckar.de>
|
||||
|
||||
* sysdeps/alpha/fpu/fsetexcptflg.c: Avoid -Wparentheses warning.
|
||||
* sysdeps/alpha/fpu/fsetexcptflg.c: Avoid -Wparentheses warning.
|
||||
|
||||
* sysdeps/libm-ieee754/s_expm1.c (__expm1): Avoid -Wparentheses
|
||||
warning.
|
||||
* sysdeps/libm-ieee754/s_log1p.c (__log1p): Likewise.
|
||||
* sysdeps/libm-ieee754/e_logf.c (__ieee754_logf): Likewise.
|
||||
* sysdeps/libm-ieee754/s_expm1f.c (__expm1f): Likewise.
|
||||
* sysdeps/libm-ieee754/e_log.c (__ieee754_log): Likewise.
|
||||
* sysdeps/libm-ieee754/s_log1pf.c (__log1pf): Likewise.
|
||||
* sysdeps/libm-ieee754/s_expm1.c (__expm1): Avoid -Wparentheses
|
||||
warning.
|
||||
* sysdeps/libm-ieee754/s_log1p.c (__log1p): Likewise.
|
||||
* sysdeps/libm-ieee754/e_logf.c (__ieee754_logf): Likewise.
|
||||
* sysdeps/libm-ieee754/s_expm1f.c (__expm1f): Likewise.
|
||||
* sysdeps/libm-ieee754/e_log.c (__ieee754_log): Likewise.
|
||||
* sysdeps/libm-ieee754/s_log1pf.c (__log1pf): Likewise.
|
||||
|
||||
1998-12-13 Andreas Jaeger <aj@arthur.rhein-neckar.de>
|
||||
1998-12-13 Andreas Jaeger <aj@arthur.rhein-neckar.de>
|
||||
|
||||
* sunrpc/svc_udp.c (svcudp_bufcreate): Declare len as socklen_t.
|
||||
(svcudp_recv): Likewise.
|
||||
* sunrpc/svc_udp.c (svcudp_bufcreate): Declare len as socklen_t.
|
||||
(svcudp_recv): Likewise.
|
||||
|
||||
1998-12-13 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
|
||||
1998-12-13 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
|
||||
|
||||
* nis/nss-nisplus.h: Change some mappings of NIS+ errors to
|
||||
NSS error codes to avoid endless loops.
|
||||
* nis/nss-nisplus.h: Change some mappings of NIS+ errors to
|
||||
NSS error codes to avoid endless loops.
|
||||
|
||||
1998-12-13 Ulrich Drepper <drepper@cygnus.com>
|
||||
|
||||
* iconvdata/gconv-modules: Correct aliases for ISO-8859-13 and add
|
||||
aliases for ISO-8859-14.
|
||||
|
||||
1998-12-12 Geoff Keating <geoffk@ozemail.com.au>
|
||||
1998-12-12 Geoff Keating <geoffk@ozemail.com.au>
|
||||
|
||||
* posix/fnmatch.c (fnmatch): Arguments to FOLD must not have
|
||||
side-effects.
|
||||
* posix/fnmatch.c (fnmatch): Arguments to FOLD must not have
|
||||
side-effects.
|
||||
|
||||
1998-12-12 Ulrich Drepper <drepper@cygnus.com>
|
||||
|
||||
|
||||
@ -65,6 +65,7 @@ all-headers = $(filter-out $(sysdep_headers),$(headers))
|
||||
else
|
||||
+distinfo := $(shell MAKEFLAGS= MFLAGS= $(MAKE) -s no_deps=t \
|
||||
inhibit_interface_rules=t inhibit_mach_syscalls=t \
|
||||
inhibit_timezone_rules=t \
|
||||
subdirs='$(subdirs)' echo-distinfo | grep -v '^make')
|
||||
foo:=$(shell echo>&2 '+distinfo=$(+distinfo)')
|
||||
all-headers := $(patsubst +header+%,%,$(filter +header+%,$(+distinfo)))
|
||||
|
||||
@ -1,3 +1,8 @@
|
||||
1998-12-14 Ulrich Drepper <drepper@cygnus.com>
|
||||
|
||||
* Examples/ex6.c: Unbuffer stdout and reduce sleep time to reduce
|
||||
overall runtime.
|
||||
|
||||
1998-12-13 Ulrich Drepper <drepper@cygnus.com>
|
||||
|
||||
* Examples/ex3.c: Wait until all threads are started before
|
||||
|
||||
@ -15,6 +15,8 @@ main (void)
|
||||
{
|
||||
unsigned long count;
|
||||
|
||||
setvbuf (stdout, NULL, _IONBF, 0);
|
||||
|
||||
for (count = 0; count < 2000; ++count)
|
||||
{
|
||||
pthread_t thread;
|
||||
@ -33,7 +35,7 @@ main (void)
|
||||
}
|
||||
/* pthread_detach (thread); */
|
||||
pthread_join (thread, NULL);
|
||||
usleep (50);
|
||||
usleep (10);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -74,7 +74,7 @@ libc.dvi: texinfo.tex
|
||||
# Generate the summary from the Texinfo source files for each chapter.
|
||||
summary.texi: stamp-summary ;
|
||||
stamp-summary: summary.awk $(filter-out summary.texi, $(texis))
|
||||
$(AWK) -f $^ | sort -df +1 -2 | tr '\014' '\012' > summary-tmp
|
||||
$(AWK) -f $^ | sort -t ' ' -df +0 -1 | tr '\014' '\012' > summary-tmp
|
||||
$(move-if-change) summary-tmp summary.texi
|
||||
touch $@
|
||||
|
||||
@ -111,7 +111,7 @@ minimal-dist = summary.awk texis.awk libc-texinfo.sh libc.texinfo \
|
||||
doc-only-dist = Makefile COPYING.LIB
|
||||
distribute = $(minimal-dist) $(examples) texis stdio-fp.c \
|
||||
libc.info* libc.?? libc.??s texinfo.tex stamp-summary \
|
||||
xtract-typefun.awk dir-add.texinfo dir-add.info dir \
|
||||
xtract-typefun.awk dir-add.info dir \
|
||||
chapters.texi top-menu.texi summary.texi
|
||||
export distribute := $(distribute)
|
||||
|
||||
|
||||
@ -152,7 +152,11 @@ not have to worry about the type of their argument.
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefun int isinf (double @var{x})
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx int isinff (float @var{x})
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx int isinfl (long double @var{x})
|
||||
This function returns @code{-1} if @var{x} represents negative infinity,
|
||||
@code{1} if @var{x} represents positive infinity, and @code{0} otherwise.
|
||||
@ -161,7 +165,11 @@ This function returns @code{-1} if @var{x} represents negative infinity,
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefun int isnan (double @var{x})
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx int isnanf (float @var{x})
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx int isnanl (long double @var{x})
|
||||
This function returns a nonzero value if @var{x} is a ``not a number''
|
||||
value, and zero otherwise.
|
||||
@ -179,7 +187,11 @@ function for some reason, you can write
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefun int finite (double @var{x})
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx int finitef (float @var{x})
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx int finitel (long double @var{x})
|
||||
This function returns a nonzero value if @var{x} is finite or a ``not a
|
||||
number'' value, and zero otherwise.
|
||||
@ -566,7 +578,11 @@ to test for overflow on both old and new hardware.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypevr Macro double HUGE_VAL
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypevrx Macro float HUGE_VALF
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypevrx Macro {long double} HUGE_VALL
|
||||
An expression representing a particular very large number. On machines
|
||||
that use @w{IEEE 754} floating point format, @code{HUGE_VAL} is infinity.
|
||||
@ -816,7 +832,11 @@ Prototypes for @code{abs}, @code{labs} and @code{llabs} are in @file{stdlib.h};
|
||||
@comment stdlib.h
|
||||
@comment ISO
|
||||
@deftypefun int abs (int @var{number})
|
||||
@comment stdlib.h
|
||||
@comment ISO
|
||||
@deftypefunx {long int} labs (long int @var{number})
|
||||
@comment stdlib.h
|
||||
@comment ISO
|
||||
@deftypefunx {long long int} llabs (long long int @var{number})
|
||||
These functions return the absolute value of @var{number}.
|
||||
|
||||
@ -830,7 +850,11 @@ cannot be represented; thus, @w{@code{abs (INT_MIN)}} is not defined.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double fabs (double @var{number})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float fabsf (float @var{number})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} fabsl (long double @var{number})
|
||||
This function returns the absolute value of the floating-point number
|
||||
@var{number}.
|
||||
@ -839,7 +863,11 @@ This function returns the absolute value of the floating-point number
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun double cabs (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx float cabsf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} cabsl (complex long double @var{z})
|
||||
These functions return the absolute value of the complex number @var{z}
|
||||
(@pxref{Complex Numbers}). The absolute value of a complex number is:
|
||||
@ -872,7 +900,11 @@ All these functions are declared in @file{math.h}.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double frexp (double @var{value}, int *@var{exponent})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float frexpf (float @var{value}, int *@var{exponent})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} frexpl (long double @var{value}, int *@var{exponent})
|
||||
These functions are used to split the number @var{value}
|
||||
into a normalized fraction and an exponent.
|
||||
@ -893,7 +925,11 @@ zero is stored in @code{*@var{exponent}}.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double ldexp (double @var{value}, int @var{exponent})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float ldexpf (float @var{value}, int @var{exponent})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} ldexpl (long double @var{value}, int @var{exponent})
|
||||
These functions return the result of multiplying the floating-point
|
||||
number @var{value} by 2 raised to the power @var{exponent}. (It can
|
||||
@ -909,7 +945,11 @@ equivalent to those of @code{ldexp} and @code{frexp}.
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefun double logb (double @var{x})
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx float logbf (float @var{x})
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx {long double} logbl (long double @var{x})
|
||||
These functions return the integer part of the base-2 logarithm of
|
||||
@var{x}, an integer value represented in type @code{double}. This is
|
||||
@ -931,7 +971,11 @@ the value that @code{frexp} would store into @code{*@var{exponent}}.
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefun double scalb (double @var{value}, int @var{exponent})
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx float scalbf (float @var{value}, int @var{exponent})
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx {long double} scalbl (long double @var{value}, int @var{exponent})
|
||||
The @code{scalb} function is the BSD name for @code{ldexp}.
|
||||
@end deftypefun
|
||||
@ -939,7 +983,11 @@ The @code{scalb} function is the BSD name for @code{ldexp}.
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefun {long long int} scalbn (double @var{x}, int n)
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx {long long int} scalbnf (float @var{x}, int n)
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx {long long int} scalbnl (long double @var{x}, int n)
|
||||
@code{scalbn} is identical to @code{scalb}, except that the exponent
|
||||
@var{n} is an @code{int} instead of a floating-point number.
|
||||
@ -948,7 +996,11 @@ The @code{scalb} function is the BSD name for @code{ldexp}.
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefun {long long int} scalbln (double @var{x}, long int n)
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx {long long int} scalblnf (float @var{x}, long int n)
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx {long long int} scalblnl (long double @var{x}, long int n)
|
||||
@code{scalbln} is identical to @code{scalb}, except that the exponent
|
||||
@var{n} is a @code{long int} instead of a floating-point number.
|
||||
@ -957,7 +1009,11 @@ The @code{scalb} function is the BSD name for @code{ldexp}.
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefun {long long int} significand (double @var{x})
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx {long long int} significandf (float @var{x})
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx {long long int} significandl (long double @var{x})
|
||||
@code{significand} returns the mantissa of @var{x} scaled to the range
|
||||
@math{[1, 2)}.
|
||||
@ -987,7 +1043,11 @@ result as a @code{double} instead to get around this problem.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double ceil (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float ceilf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} ceill (long double @var{x})
|
||||
These functions round @var{x} upwards to the nearest integer,
|
||||
returning that value as a @code{double}. Thus, @code{ceil (1.5)}
|
||||
@ -997,7 +1057,11 @@ is @code{2.0}.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double floor (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float floorf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} floorl (long double @var{x})
|
||||
These functions round @var{x} downwards to the nearest
|
||||
integer, returning that value as a @code{double}. Thus, @code{floor
|
||||
@ -1007,7 +1071,11 @@ integer, returning that value as a @code{double}. Thus, @code{floor
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double trunc (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float truncf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} truncl (long double @var{x})
|
||||
@code{trunc} is another name for @code{floor}
|
||||
@end deftypefun
|
||||
@ -1015,7 +1083,11 @@ integer, returning that value as a @code{double}. Thus, @code{floor
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double rint (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float rintf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} rintl (long double @var{x})
|
||||
These functions round @var{x} to an integer value according to the
|
||||
current rounding mode. @xref{Floating Point Parameters}, for
|
||||
@ -1031,7 +1103,11 @@ inexact exception.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double nearbyint (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float nearbyintf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} nearbyintl (long double @var{x})
|
||||
These functions return the same value as the @code{rint} functions, but
|
||||
do not raise the inexact exception if @var{x} is not an integer.
|
||||
@ -1040,7 +1116,11 @@ do not raise the inexact exception if @var{x} is not an integer.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double round (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float roundf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} roundl (long double @var{x})
|
||||
These functions are similar to @code{rint}, but they round halfway
|
||||
cases away from zero instead of to the nearest even integer.
|
||||
@ -1049,7 +1129,11 @@ cases away from zero instead of to the nearest even integer.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun {long int} lrint (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long int} lrintf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long int} lrintl (long double @var{x})
|
||||
These functions are just like @code{rint}, but they return a
|
||||
@code{long int} instead of a floating-point number.
|
||||
@ -1058,7 +1142,11 @@ These functions are just like @code{rint}, but they return a
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun {long long int} llrint (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long long int} llrintf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long long int} llrintl (long double @var{x})
|
||||
These functions are just like @code{rint}, but they return a
|
||||
@code{long long int} instead of a floating-point number.
|
||||
@ -1067,7 +1155,11 @@ These functions are just like @code{rint}, but they return a
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun {long int} lround (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long int} lroundf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long int} lroundl (long double @var{x})
|
||||
These functions are just like @code{round}, but they return a
|
||||
@code{long int} instead of a floating-point number.
|
||||
@ -1076,7 +1168,11 @@ These functions are just like @code{round}, but they return a
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun {long long int} llround (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long long int} llroundf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long long int} llroundl (long double @var{x})
|
||||
These functions are just like @code{round}, but they return a
|
||||
@code{long long int} instead of a floating-point number.
|
||||
@ -1086,7 +1182,11 @@ These functions are just like @code{round}, but they return a
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double modf (double @var{value}, double *@var{integer-part})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float modff (float @var{value}, float *@var{integer-part})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} modfl (long double @var{value}, long double *@var{integer-part})
|
||||
These functions break the argument @var{value} into an integer part and a
|
||||
fractional part (between @code{-1} and @code{1}, exclusive). Their sum
|
||||
@ -1108,7 +1208,11 @@ suits your problem.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double fmod (double @var{numerator}, double @var{denominator})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float fmodf (float @var{numerator}, float @var{denominator})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} fmodl (long double @var{numerator}, long double @var{denominator})
|
||||
These functions compute the remainder from the division of
|
||||
@var{numerator} by @var{denominator}. Specifically, the return value is
|
||||
@ -1126,7 +1230,11 @@ If @var{denominator} is zero, @code{fmod} signals a domain error.
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefun double drem (double @var{numerator}, double @var{denominator})
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx float dremf (float @var{numerator}, float @var{denominator})
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx {long double} dreml (long double @var{numerator}, long double @var{denominator})
|
||||
These functions are like @code{fmod} except that they rounds the
|
||||
internal quotient @var{n} to the nearest integer instead of towards zero
|
||||
@ -1145,7 +1253,11 @@ If @var{denominator} is zero, @code{drem} signals a domain error.
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefun double remainder (double @var{numerator}, double @var{denominator})
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx float remainderf (float @var{numerator}, float @var{denominator})
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx {long double} remainderl (long double @var{numerator}, long double @var{denominator})
|
||||
This function is another name for @code{drem}.
|
||||
@end deftypefun
|
||||
@ -1162,7 +1274,11 @@ bits.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double copysign (double @var{x}, double @var{y})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float copysignf (float @var{x}, float @var{y})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} copysignl (long double @var{x}, long double @var{y})
|
||||
These functions return @var{x} but with the sign of @var{y}. They work
|
||||
even if @var{x} or @var{y} are NaN or zero. Both of these can carry a
|
||||
@ -1191,7 +1307,11 @@ false, but @code{signbit (-0.0)} will return a nonzero value.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double nextafter (double @var{x}, double @var{y})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float nextafterf (float @var{x}, float @var{y})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} nextafterl (long double @var{x}, long double @var{y})
|
||||
The @code{nextafter} function returns the next representable neighbor of
|
||||
@var{x} in the direction towards @var{y}. The size of the step between
|
||||
@ -1210,7 +1330,11 @@ recommended functions in @w{IEEE 754}/@w{IEEE 854}).
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun {long long int} nextafterx (double @var{x}, long double @var{y})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long long int} nextafterxf (float @var{x}, long double @var{y})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long long int} nextafterxl (long double @var{x}, long double @var{y})
|
||||
These functions are identical to the corresponding versions of
|
||||
@code{nextafter} except that their second argument is a @code{long
|
||||
@ -1221,7 +1345,11 @@ double}.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double nan (const char *@var{tagp})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float nanf (const char *@var{tagp})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} nanl (const char *@var{tagp})
|
||||
The @code{nan} function returns a representation of NaN, provided that
|
||||
NaN is supported by the target platform.
|
||||
@ -1328,7 +1456,11 @@ perform these operations faster than the equivalent C code.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double fmin (double @var{x}, double @var{y})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float fminf (float @var{x}, float @var{y})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} fminl (long double @var{x}, long double @var{y})
|
||||
The @code{fmin} function returns the lesser of the two values @var{x}
|
||||
and @var{y}. It is similar to the expression
|
||||
@ -1344,7 +1476,11 @@ are NaN, NaN is returned.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double fmax (double @var{x}, double @var{y})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float fmaxf (float @var{x}, float @var{y})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} fmaxl (long double @var{x}, long double @var{y})
|
||||
The @code{fmax} function returns the greater of the two values @var{x}
|
||||
and @var{y}.
|
||||
@ -1356,7 +1492,11 @@ are NaN, NaN is returned.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double fdim (double @var{x}, double @var{y})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float fdimf (float @var{x}, float @var{y})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} fdiml (long double @var{x}, long double @var{y})
|
||||
The @code{fdim} function returns the positive difference between
|
||||
@var{x} and @var{y}. The positive difference is @math{@var{x} -
|
||||
@ -1368,7 +1508,11 @@ If @var{x}, @var{y}, or both are NaN, NaN is returned.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double fma (double @var{x}, double @var{y}, double @var{z})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float fmaf (float @var{x}, float @var{y}, float @var{z})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} fmal (long double @var{x}, long double @var{y}, long double @var{z})
|
||||
@cindex butterfly
|
||||
The @code{fma} function performs floating-point multiply-add. This is
|
||||
@ -1494,7 +1638,11 @@ available in three variants, one for each of the three complex types.
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun double creal (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx float crealf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} creall (complex long double @var{z})
|
||||
These functions return the real part of the complex number @var{z}.
|
||||
@end deftypefun
|
||||
@ -1502,7 +1650,11 @@ These functions return the real part of the complex number @var{z}.
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun double cimag (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx float cimagf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} cimagl (complex long double @var{z})
|
||||
These functions return the imaginary part of the complex number @var{z}.
|
||||
@end deftypefun
|
||||
@ -1510,7 +1662,11 @@ These functions return the imaginary part of the complex number @var{z}.
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun {complex double} conj (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex float} conjf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex long double} conjl (complex long double @var{z})
|
||||
These functions return the conjugate value of the complex number
|
||||
@var{z}. The conjugate of a complex number has the same real part and a
|
||||
@ -1520,7 +1676,11 @@ negated imaginary part. In other words, @samp{conj(a + bi) = a + -bi}.
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun double carg (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx float cargf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} cargl (complex long double @var{z})
|
||||
These functions return the argument of the complex number @var{z}.
|
||||
The argument of a complex number is the angle in the complex plane
|
||||
@ -1534,7 +1694,11 @@ to @math{2@pi{}}.
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun {complex double} cproj (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex float} cprojf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex long double} cprojl (complex long double @var{z})
|
||||
These functions return the projection of the complex value @var{z} onto
|
||||
the Riemann sphere. Values with a infinite imaginary part are projected
|
||||
@ -1952,6 +2116,8 @@ examining @var{errno} and @var{tailptr}.
|
||||
@comment stdlib.h
|
||||
@comment GNU
|
||||
@deftypefun float strtof (const char *@var{string}, char **@var{tailptr})
|
||||
@comment stdlib.h
|
||||
@comment GNU
|
||||
@deftypefunx {long double} strtold (const char *@var{string}, char **@var{tailptr})
|
||||
These functions are analogous to @code{strtod}, but return @code{float}
|
||||
and @code{long double} values respectively. They report errors in the
|
||||
|
||||
@ -112,6 +112,8 @@ included as well as the @w{ISO C}, POSIX.1, POSIX.2, and X/Open material.
|
||||
@comment (none)
|
||||
@comment X/Open
|
||||
@defvr Macro _XOPEN_SOURCE
|
||||
@comment (none)
|
||||
@comment X/Open
|
||||
@defvrx Macro _XOPEN_SOURCE_EXTENDED
|
||||
If you define this macro, functionality described in the X/Open
|
||||
Portability Guide is included. This is a superset of the POSIX.1 and
|
||||
|
||||
234
manual/math.texi
234
manual/math.texi
@ -150,7 +150,11 @@ You can also compute the value of pi with the expression @code{acos
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double sin (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float sinf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} sinl (long double @var{x})
|
||||
These functions return the sine of @var{x}, where @var{x} is given in
|
||||
radians. The return value is in the range @code{-1} to @code{1}.
|
||||
@ -159,7 +163,11 @@ radians. The return value is in the range @code{-1} to @code{1}.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double cos (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float cosf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} cosl (long double @var{x})
|
||||
These functions return the cosine of @var{x}, where @var{x} is given in
|
||||
radians. The return value is in the range @code{-1} to @code{1}.
|
||||
@ -168,7 +176,11 @@ radians. The return value is in the range @code{-1} to @code{1}.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double tan (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float tanf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} tanl (long double @var{x})
|
||||
These functions return the tangent of @var{x}, where @var{x} is given in
|
||||
radians.
|
||||
@ -186,7 +198,11 @@ function to do that.
|
||||
@comment math.h
|
||||
@comment GNU
|
||||
@deftypefun void sincos (double @var{x}, double *@var{sinx}, double *@var{cosx})
|
||||
@comment math.h
|
||||
@comment GNU
|
||||
@deftypefunx void sincosf (float @var{x}, float *@var{sinx}, float *@var{cosx})
|
||||
@comment math.h
|
||||
@comment GNU
|
||||
@deftypefunx void sincosl (long double @var{x}, long double *@var{sinx}, long double *@var{cosx})
|
||||
These functions return the sine of @var{x} in @code{*@var{sinx}} and the
|
||||
cosine of @var{x} in @code{*@var{cos}}, where @var{x} is given in
|
||||
@ -210,7 +226,11 @@ the implementation.)
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun {complex double} csin (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex float} csinf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex long double} csinl (complex long double @var{z})
|
||||
These functions return the complex sine of @var{z}.
|
||||
The mathematical definition of the complex sine is
|
||||
@ -226,7 +246,11 @@ $$\sin(z) = {1\over 2i} (e^{zi} - e^{-zi})$$
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun {complex double} ccos (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex float} ccosf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex long double} ccosl (complex long double @var{z})
|
||||
These functions return the complex cosine of @var{z}.
|
||||
The mathematical definition of the complex cosine is
|
||||
@ -242,7 +266,11 @@ $$\cos(z) = {1\over 2} (e^{zi} + e^{-zi})$$
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun {complex double} ctan (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex float} ctanf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex long double} ctanl (complex long double @var{z})
|
||||
These functions return the complex tangent of @var{z}.
|
||||
The mathematical definition of the complex tangent is
|
||||
@ -272,7 +300,11 @@ respectively.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double asin (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float asinf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} asinl (long double @var{x})
|
||||
These functions compute the arc sine of @var{x}---that is, the value whose
|
||||
sine is @var{x}. The value is in units of radians. Mathematically,
|
||||
@ -287,7 +319,11 @@ domain, @code{asin} signals a domain error.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double acos (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float acosf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} acosl (long double @var{x})
|
||||
These functions compute the arc cosine of @var{x}---that is, the value
|
||||
whose cosine is @var{x}. The value is in units of radians.
|
||||
@ -302,7 +338,11 @@ domain, @code{acos} signals a domain error.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double atan (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float atanf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} atanl (long double @var{x})
|
||||
These functions compute the arc tangent of @var{x}---that is, the value
|
||||
whose tangent is @var{x}. The value is in units of radians.
|
||||
@ -313,7 +353,11 @@ returned is the one between @code{-pi/2} and @code{pi/2} (inclusive).
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double atan2 (double @var{y}, double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float atan2f (float @var{y}, float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} atan2l (long double @var{y}, long double @var{x})
|
||||
This function computes the arc tangent of @var{y}/@var{x}, but the signs
|
||||
of both arguments are used to determine the quadrant of the result, and
|
||||
@ -337,7 +381,11 @@ If both @var{x} and @var{y} are zero, @code{atan2} returns zero.
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun {complex double} casin (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex float} casinf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex long double} casinl (complex long double @var{z})
|
||||
These functions compute the complex arc sine of @var{z}---that is, the
|
||||
value whose sine is @var{z}. The value returned is in radians.
|
||||
@ -349,7 +397,11 @@ values of @var{z}.
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun {complex double} cacos (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex float} cacosf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex long double} cacosl (complex long double @var{z})
|
||||
These functions compute the complex arc cosine of @var{z}---that is, the
|
||||
value whose cosine is @var{z}. The value returned is in radians.
|
||||
@ -362,7 +414,11 @@ values of @var{z}.
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun {complex double} catan (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex float} catanf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex long double} catanl (complex long double @var{z})
|
||||
These functions compute the complex arc tangent of @var{z}---that is,
|
||||
the value whose tangent is @var{z}. The value is in units of radians.
|
||||
@ -378,7 +434,11 @@ the value whose tangent is @var{z}. The value is in units of radians.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double exp (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float expf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} expl (long double @var{x})
|
||||
These functions compute @code{e} (the base of natural logarithms) raised
|
||||
to the power @var{x}.
|
||||
@ -390,7 +450,11 @@ If the magnitude of the result is too large to be representable,
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double exp2 (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float exp2f (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} exp2l (long double @var{x})
|
||||
These functions compute @code{2} raised to the power @var{x}.
|
||||
Mathematically, @code{exp2 (x)} is the same as @code{exp (x * log (2))}.
|
||||
@ -399,10 +463,20 @@ Mathematically, @code{exp2 (x)} is the same as @code{exp (x * log (2))}.
|
||||
@comment math.h
|
||||
@comment GNU
|
||||
@deftypefun double exp10 (double @var{x})
|
||||
@comment math.h
|
||||
@comment GNU
|
||||
@deftypefunx float exp10f (float @var{x})
|
||||
@comment math.h
|
||||
@comment GNU
|
||||
@deftypefunx {long double} exp10l (long double @var{x})
|
||||
@comment math.h
|
||||
@comment GNU
|
||||
@deftypefunx double pow10 (double @var{x})
|
||||
@comment math.h
|
||||
@comment GNU
|
||||
@deftypefunx float pow10f (float @var{x})
|
||||
@comment math.h
|
||||
@comment GNU
|
||||
@deftypefunx {long double} pow10l (long double @var{x})
|
||||
These functions compute @code{10} raised to the power @var{x}.
|
||||
Mathematically, @code{exp10 (x)} is the same as @code{exp (x * log (10))}.
|
||||
@ -415,7 +489,11 @@ preferred, since it is analogous to @code{exp} and @code{exp2}.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double log (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float logf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} logl (long double @var{x})
|
||||
These functions compute the natural logarithm of @var{x}. @code{exp (log
|
||||
(@var{x}))} equals @var{x}, exactly in mathematics and approximately in
|
||||
@ -429,7 +507,11 @@ it may signal overflow.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double log10 (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float log10f (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} log10l (long double @var{x})
|
||||
These functions return the base-10 logarithm of @var{x}.
|
||||
@code{log10 (@var{x})} equals @code{log (@var{x}) / log (10)}.
|
||||
@ -439,7 +521,11 @@ These functions return the base-10 logarithm of @var{x}.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double log2 (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float log2f (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} log2l (long double @var{x})
|
||||
These functions return the base-2 logarithm of @var{x}.
|
||||
@code{log2 (@var{x})} equals @code{log (@var{x}) / log (2)}.
|
||||
@ -448,7 +534,11 @@ These functions return the base-2 logarithm of @var{x}.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double logb (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float logbf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} logbl (long double @var{x})
|
||||
These functions extract the exponent of @var{x} and return it as a
|
||||
floating-point value. If @code{FLT_RADIX} is two, @code{logb} is equal
|
||||
@ -463,7 +553,11 @@ negative), @code{logb} returns @math{@infinity{}}. If @var{x} is zero,
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun int ilogb (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx int ilogbf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx int ilogbl (long double @var{x})
|
||||
These functions are equivalent to the corresponding @code{logb}
|
||||
functions except that they return signed integer values.
|
||||
@ -518,7 +612,11 @@ if (i == FP_ILOGB0 || i == FP_ILOGBNAN)
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double pow (double @var{base}, double @var{power})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float powf (float @var{base}, float @var{power})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} powl (long double @var{base}, long double @var{power})
|
||||
These are general exponentiation functions, returning @var{base} raised
|
||||
to @var{power}.
|
||||
@ -533,7 +631,11 @@ underflow or overflow the destination type.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double sqrt (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float sqrtf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} sqrtl (long double @var{x})
|
||||
These functions return the nonnegative square root of @var{x}.
|
||||
|
||||
@ -545,7 +647,11 @@ Mathematically, it should return a complex number.
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefun double cbrt (double @var{x})
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx float cbrtf (float @var{x})
|
||||
@comment math.h
|
||||
@comment BSD
|
||||
@deftypefunx {long double} cbrtl (long double @var{x})
|
||||
These functions return the cube root of @var{x}. They cannot
|
||||
fail; every representable real value has a representable real cube root.
|
||||
@ -554,7 +660,11 @@ fail; every representable real value has a representable real cube root.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double hypot (double @var{x}, double @var{y})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float hypotf (float @var{x}, float @var{y})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} hypotl (long double @var{x}, long double @var{y})
|
||||
These functions return @code{sqrt (@var{x}*@var{x} +
|
||||
@var{y}*@var{y})}. This is the length of the hypotenuse of a right
|
||||
@ -567,7 +677,11 @@ much smaller. See also the function @code{cabs} in @ref{Absolute Value}.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double expm1 (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float expm1f (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} expm1l (long double @var{x})
|
||||
These functions return a value equivalent to @code{exp (@var{x}) - 1}.
|
||||
They are computed in a way that is accurate even if @var{x} is
|
||||
@ -578,7 +692,11 @@ to subtraction of two numbers that are nearly equal.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double log1p (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float log1pf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} log1pl (long double @var{x})
|
||||
These functions returns a value equivalent to @w{@code{log (1 + @var{x})}}.
|
||||
They are computed in a way that is accurate even if @var{x} is
|
||||
@ -594,7 +712,11 @@ logarithm functions.
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun {complex double} cexp (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex float} cexpf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex long double} cexpl (complex long double @var{z})
|
||||
These functions return @code{e} (the base of natural
|
||||
logarithms) raised to the power of @var{z}.
|
||||
@ -611,7 +733,11 @@ $$\exp(z) = e^z = e^{{\rm Re}\,z} (\cos ({\rm Im}\,z) + i \sin ({\rm Im}\,z))$$
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun {complex double} clog (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex float} clogf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex long double} clogl (complex long double @var{z})
|
||||
These functions return the natural logarithm of @var{z}.
|
||||
Mathematically this corresponds to the value
|
||||
@ -633,7 +759,11 @@ or is very close to 0. It is well-defined for all other values of
|
||||
@comment complex.h
|
||||
@comment GNU
|
||||
@deftypefun {complex double} clog10 (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment GNU
|
||||
@deftypefunx {complex float} clog10f (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment GNU
|
||||
@deftypefunx {complex long double} clog10l (complex long double @var{z})
|
||||
These functions return the base 10 logarithm of the complex value
|
||||
@var{z}. Mathematically this corresponds to the value
|
||||
@ -651,7 +781,11 @@ These functions are GNU extensions.
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun {complex double} csqrt (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex float} csqrtf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex long double} csqrtl (complex long double @var{z})
|
||||
These functions return the complex square root of the argument @var{z}. Unlike
|
||||
the real-valued functions, they are defined for all values of @var{z}.
|
||||
@ -660,7 +794,11 @@ the real-valued functions, they are defined for all values of @var{z}.
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun {complex double} cpow (complex double @var{base}, complex double @var{power})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex float} cpowf (complex float @var{base}, complex float @var{power})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex long double} cpowl (complex long double @var{base}, complex long double @var{power})
|
||||
These functions return @var{base} raised to the power of
|
||||
@var{power}. This is equivalent to @w{@code{cexp (y * clog (x))}}
|
||||
@ -676,7 +814,11 @@ see @ref{Exponents and Logarithms}.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double sinh (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float sinhf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} sinhl (long double @var{x})
|
||||
These functions return the hyperbolic sine of @var{x}, defined
|
||||
mathematically as @w{@code{(exp (@var{x}) - exp (-@var{x})) / 2}}. They
|
||||
@ -686,7 +828,11 @@ may signal overflow if @var{x} is too large.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double cosh (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float coshf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} coshl (long double @var{x})
|
||||
These function return the hyperbolic cosine of @var{x},
|
||||
defined mathematically as @w{@code{(exp (@var{x}) + exp (-@var{x})) / 2}}.
|
||||
@ -696,7 +842,11 @@ They may signal overflow if @var{x} is too large.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double tanh (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float tanhf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} tanhl (long double @var{x})
|
||||
These functions return the hyperbolic tangent of @var{x},
|
||||
defined mathematically as @w{@code{sinh (@var{x}) / cosh (@var{x})}}.
|
||||
@ -711,7 +861,11 @@ complex arguments.
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun {complex double} csinh (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex float} csinhf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex long double} csinhl (complex long double @var{z})
|
||||
These functions return the complex hyperbolic sine of @var{z}, defined
|
||||
mathematically as @w{@code{(exp (@var{z}) - exp (-@var{z})) / 2}}.
|
||||
@ -720,7 +874,11 @@ mathematically as @w{@code{(exp (@var{z}) - exp (-@var{z})) / 2}}.
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun {complex double} ccosh (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex float} ccoshf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex long double} ccoshl (complex long double @var{z})
|
||||
These functions return the complex hyperbolic cosine of @var{z}, defined
|
||||
mathematically as @w{@code{(exp (@var{z}) + exp (-@var{z})) / 2}}.
|
||||
@ -729,7 +887,11 @@ mathematically as @w{@code{(exp (@var{z}) + exp (-@var{z})) / 2}}.
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun {complex double} ctanh (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex float} ctanhf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex long double} ctanhl (complex long double @var{z})
|
||||
These functions return the complex hyperbolic tangent of @var{z},
|
||||
defined mathematically as @w{@code{csinh (@var{z}) / ccosh (@var{z})}}.
|
||||
@ -741,7 +903,11 @@ defined mathematically as @w{@code{csinh (@var{z}) / ccosh (@var{z})}}.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double asinh (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float asinhf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} asinhl (long double @var{x})
|
||||
These functions return the inverse hyperbolic sine of @var{x}---the
|
||||
value whose hyperbolic sine is @var{x}.
|
||||
@ -750,7 +916,11 @@ value whose hyperbolic sine is @var{x}.
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double acosh (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float acoshf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} acoshl (long double @var{x})
|
||||
These functions return the inverse hyperbolic cosine of @var{x}---the
|
||||
value whose hyperbolic cosine is @var{x}. If @var{x} is less than
|
||||
@ -760,7 +930,11 @@ value whose hyperbolic cosine is @var{x}. If @var{x} is less than
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefun double atanh (double @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx float atanhf (float @var{x})
|
||||
@comment math.h
|
||||
@comment ISO
|
||||
@deftypefunx {long double} atanhl (long double @var{x})
|
||||
These functions return the inverse hyperbolic tangent of @var{x}---the
|
||||
value whose hyperbolic tangent is @var{x}. If the absolute value of
|
||||
@ -773,7 +947,11 @@ if it is equal to 1, @code{atanh} returns infinity.
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun {complex double} casinh (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex float} casinhf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex long double} casinhl (complex long double @var{z})
|
||||
These functions return the inverse complex hyperbolic sine of
|
||||
@var{z}---the value whose complex hyperbolic sine is @var{z}.
|
||||
@ -782,7 +960,11 @@ These functions return the inverse complex hyperbolic sine of
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun {complex double} cacosh (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex float} cacoshf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex long double} cacoshl (complex long double @var{z})
|
||||
These functions return the inverse complex hyperbolic cosine of
|
||||
@var{z}---the value whose complex hyperbolic cosine is @var{z}. Unlike
|
||||
@ -792,7 +974,11 @@ the real-valued functions, there are no restrictions on the value of @var{z}.
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefun {complex double} catanh (complex double @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex float} catanhf (complex float @var{z})
|
||||
@comment complex.h
|
||||
@comment ISO
|
||||
@deftypefunx {complex long double} catanhl (complex long double @var{z})
|
||||
These functions return the inverse complex hyperbolic tangent of
|
||||
@var{z}---the value whose complex hyperbolic tangent is @var{z}. Unlike
|
||||
@ -812,7 +998,11 @@ useful. Currently they only have real-valued versions.
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefun double erf (double @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx float erff (float @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx {long double} erfl (long double @var{x})
|
||||
@code{erf} returns the error function of @var{x}. The error
|
||||
function is defined as
|
||||
@ -829,7 +1019,11 @@ erf (x) = 2/sqrt(pi) * integral from 0 to x of exp(-t^2) dt
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefun double erfc (double @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx float erfcf (float @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx {long double} erfcl (long double @var{x})
|
||||
@code{erfc} returns @code{1.0 - erf(@var{x})}, but computed in a
|
||||
fashion that avoids round-off error when @var{x} is large.
|
||||
@ -838,7 +1032,11 @@ fashion that avoids round-off error when @var{x} is large.
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefun double lgamma (double @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx float lgammaf (float @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx {long double} lgammal (long double @var{x})
|
||||
@code{lgamma} returns the natural logarithm of the absolute value of
|
||||
the gamma function of @var{x}. The gamma function is defined as
|
||||
@ -872,7 +1070,11 @@ singularity.
|
||||
@comment math.h
|
||||
@comment XPG
|
||||
@deftypefun double lgamma_r (double @var{x}, int *@var{signp})
|
||||
@comment math.h
|
||||
@comment XPG
|
||||
@deftypefunx float lgammaf_r (float @var{x}, int *@var{signp})
|
||||
@comment math.h
|
||||
@comment XPG
|
||||
@deftypefunx {long double} lgammal_r (long double @var{x}, int *@var{signp})
|
||||
@code{lgamma_r} is just like @code{lgamma}, but it stores the sign of
|
||||
the intermediate result in the variable pointed to by @var{signp}
|
||||
@ -882,7 +1084,11 @@ instead of in the @var{signgam} global.
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefun double gamma (double @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx float gammaf (float @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx {long double} gammal (long double @var{x})
|
||||
These functions exist for compatibility reasons. They are equivalent to
|
||||
@code{lgamma} etc. It is better to use @code{lgamma} since for one the
|
||||
@ -893,7 +1099,11 @@ standardized in @w{ISO C 9x} while @code{gamma} is not.
|
||||
@comment math.h
|
||||
@comment XPG
|
||||
@deftypefun double tgamma (double @var{x})
|
||||
@comment math.h
|
||||
@comment XPG
|
||||
@deftypefunx float tgammaf (float @var{x})
|
||||
@comment math.h
|
||||
@comment XPG
|
||||
@deftypefunx {long double} tgammal (long double @var{x})
|
||||
@code{tgamma} applies the gamma function to @var{x}. The gamma
|
||||
function is defined as
|
||||
@ -912,7 +1122,11 @@ This function was introduced in @w{ISO C 9x}.
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefun double j0 (double @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx float j0f (float @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx {long double} j0l (long double @var{x})
|
||||
@code{j0} returns the Bessel function of the first kind of order 0 of
|
||||
@var{x}. It may signal underflow if @var{x} is too large.
|
||||
@ -921,7 +1135,11 @@ This function was introduced in @w{ISO C 9x}.
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefun double j1 (double @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx float j1f (float @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx {long double} j1l (long double @var{x})
|
||||
@code{j1} returns the Bessel function of the first kind of order 1 of
|
||||
@var{x}. It may signal underflow if @var{x} is too large.
|
||||
@ -930,7 +1148,11 @@ This function was introduced in @w{ISO C 9x}.
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefun double jn (int n, double @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx float jnf (int n, float @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx {long double} jnl (int n, long double @var{x})
|
||||
@code{jn} returns the Bessel function of the first kind of order
|
||||
@var{n} of @var{x}. It may signal underflow if @var{x} is too large.
|
||||
@ -939,7 +1161,11 @@ This function was introduced in @w{ISO C 9x}.
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefun double y0 (double @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx float y0f (float @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx {long double} y0l (long double @var{x})
|
||||
@code{y0} returns the Bessel function of the second kind of order 0 of
|
||||
@var{x}. It may signal underflow if @var{x} is too large. If @var{x}
|
||||
@ -950,7 +1176,11 @@ is negative, @code{y0} signals a domain error; if it is zero,
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefun double y1 (double @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx float y1f (float @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx {long double} y1l (long double @var{x})
|
||||
@code{y1} returns the Bessel function of the second kind of order 1 of
|
||||
@var{x}. It may signal underflow if @var{x} is too large. If @var{x}
|
||||
@ -961,7 +1191,11 @@ is negative, @code{y1} signals a domain error; if it is zero,
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefun double yn (int n, double @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx float ynf (int n, float @var{x})
|
||||
@comment math.h
|
||||
@comment SVID
|
||||
@deftypefunx {long double} ynl (int n, long double @var{x})
|
||||
@code{yn} returns the Bessel function of the second kind of order @var{n} of
|
||||
@var{x}. It may signal underflow if @var{x} is too large. If @var{x}
|
||||
|
||||
@ -2,3 +2,5 @@ clone.S
|
||||
kernel_stat.h
|
||||
kernel_termios.h
|
||||
init-first.h
|
||||
sys/procfs.h
|
||||
sys/user.h
|
||||
|
||||
@ -53,9 +53,11 @@ define nl
|
||||
|
||||
|
||||
endef
|
||||
ifndef no_deps
|
||||
ifndef avoid-generated
|
||||
ifndef inhibit_timezone_rules
|
||||
-include $(addprefix $(objpfx)z.,$(tzfiles))
|
||||
endif
|
||||
endif
|
||||
|
||||
# Make these absolute file names.
|
||||
installed-localtime-file := $(firstword $(filter /%,$(inst_localtime-file)) \
|
||||
|
||||
Loading…
Reference in New Issue
Block a user