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authorUlrich Drepper <drepper@redhat.com>1998-07-28 16:26:04 +0000
committerUlrich Drepper <drepper@redhat.com>1998-07-28 16:26:04 +0000
commite852e889444a8bf27f3e5075d064e9922b38e7e2 (patch)
tree75d2d4b1010a26d723daefef7909d1a6355929bc /manual
parentc9243dacea19b7dcf36bb69ca83877d3ea905831 (diff)
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Update.
1998-07-28 Ulrich Drepper <drepper@cygnus.com> * math/libm-test.c (tgamma_test): Remove redundant tests. 1998-07-28 16:20 Ulrich Drepper <drepper@cygnus.com> * sysdeps/generic/glob.c: Correct problems with */foo and GLOB_NOCHECK where foo does not exist in any of the subdirectories. Reported by Paul D. Smith <psmith@BayNetworks.COM>. * posix/globtest.sh: Add test for this bug. 1998-07-28 Mark Kettenis <kettenis@phys.uva.nl> * io/sys/statfs.h: Fix typos. * io/sys/statvfs.h: Fix typos. 1998-07-28 Ulrich Drepper <drepper@cygnus.com> * version.h (VERSION): Bump to 2.0.95. * math/Makefile (libm-calls): Remove w_gamma, add w_tgamma. * math/Versions [GLIBC_2.1]: Add tgamma, tgammaf, and tgammal. * math/libm-test.c: Split old gamma_test and move half of it in new function tgamma_test. * math/bits/mathcalls.h: Add declaration of tgamma. * sysdeps/libm-ieee754/k_standard.c: Change gamma errors into tgamma errors. * sysdeps/libm-ieee754/w_gamma.c: Remove lgamma compatibility code and rename to ... * sysdeps/libm-ieee754/w_tgamma.c: ... this. New file. * sysdeps/libm-ieee754/w_gammaf.c: Remove lgammaf compatibility code and rename to ... * sysdeps/libm-ieee754/w_tgammaf.c: ... this. New file. * sysdeps/libm-ieee754/w_gammal.c: Remove lgammal compatibility code and rename to ... * sysdeps/libm-ieee754/w_tgammal.c: ... this. New file. * sysdeps/libm-ieee754/w_lgamma.c: Add gamma as weak alias. * sysdeps/libm-ieee754/w_lgammaf.c: Likewise. * sysdeps/libm-ieee754/w_lgammal.c: Likewise. * stgdio-common/printf-parse.h: Implement handling of j, t, and z modifiers. * stdio-common/vfprintf.c: Likewise. * stdio-common/vfscanf.c: Likewise. * manual/stdio.texi: Document new printf/scanf modifiers. * sysdeps/unix/sysv/linux/recvmsg.c: Remove alias __recvmsg. * sysdeps/unix/sysv/linux/sendmsg.c: Remove alias __sendmsg. 1998-07-28 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * sunrpc/Makefile (routines): Add clnt_unix and svc_unix. * sunrpc/Versions: Add new *unix_create functions. * sunrpc/clnt_gen.c: Add support for RPC over AF_UNIX. * sunrpc/clnt_unix.c: New, client side of RPC over AF_UNIX. * sunrpc/key_call.c: Use RPC over AF_UNIX for communication with keyserv daemon. * sunrpc/rpc/clnt.h: Add AF_UNIX based RPC function prototypes. * sunrpc/rpc/svc.h: Likewise. * sunrpc/svc_authux.c: Copy internal auth flavor if none is given. * sunrpc/svc_tcp.c: Fix typos. * sunrpc/svc_unix.c: New, server side of AF_UNIX based RPC. * nis/Makefile: Remove currently not working cache functions. * nis/Versions: Add __nisbind_* functions for rpc.nisd. * nis/nis_call.c: Rewrite binding to a NIS+ server to reuse CLIENT handles. * nis/nis_file.c: Fix memory leaks. * nis/nis_intern.h: Move internal structs from here ... * nis/rpcsvc/nislib.h: ... to here for NIS+ server and tools. * nis/nis_lookup.c: Try at first if last client handle works. * nis/nis_table.c: Likewise. * nis/nis_checkpoint.c: Adjust __do_niscall2 parameters. * nis/nis_mkdir.c: Likewise. * nis/nis_ping.c: Likewise. * nis/nis_rmdir.c: Likewise. * nis/nis_server.c: Likewise. * nis/nis_util.c: Likewise. * nis/nis_findserv.c (__nis_findfastest): Little optimization. 1998-07-28 Andreas Jaeger <aj@arthur.rhein-neckar.de> * stdlib/strtol.c (STRTOL_LONG_MAX): Correct typo in last patch - define as LONG_MAX. 1998-07-28 09:31 Ulrich Drepper <drepper@cygnus.com> * nscd/connections.c (gr_send_answer): Deal with missing UIO_MAXIOV. Correct test whether writev send all data. * nscd/nscd_getgr_r.c (__nscd_getgr_r): Correct test whether readv received all data. 1998-07-28 Mark Kettenis <kettenis@phys.uva.nl> * nscd/nscd_getgr_r.c (__nscd_getgr_r): Deal with missing UIO_MAXIOV. 1998-07-28 Mark Kettenis <kettenis@phys.uva.nl> * sysdeps/mach/hurd/dl-sysdep.c (open_file): Change assert call to allow mode to be 0. (__xstat): New function. (__fxstat): New function. (_dl_sysdep_read_whole_file): Removed. The implementation in `elf/dl-misc.c' now also works for the Hurd.
Diffstat (limited to 'manual')
-rw-r--r--manual/math.texi29
-rw-r--r--manual/stdio.texi38
2 files changed, 61 insertions, 6 deletions
diff --git a/manual/math.texi b/manual/math.texi
index 4386c2fefcd..e1d597d06aa 100644
--- a/manual/math.texi
+++ b/manual/math.texi
@@ -857,7 +857,8 @@ The sign of the gamma function is stored in the global variable
the intermediate result was positive or zero, and, @code{-1} if it was
negative.
-You can compute the actual gamma function as follows:
+To compute the real gamma function you can use the @code{tgamma}
+function or you can compute the values as follows:
@smallexample
lgam = lgamma(x);
gam = signgam*exp(lgam);
@@ -878,15 +879,35 @@ the intermediate result in the variable pointed to by @var{signp}
instead of in the @var{signgam} global.
@end deftypefun
-@ignore
@comment math.h
@comment SVID
@deftypefun double gamma (double @var{x})
@deftypefunx float gammaf (float @var{x})
@deftypefunx {long double} gammal (long double @var{x})
-??? _not_ exp(lgamma())*signgam - historical?
+These functions exist for compatibility reasons. They are equivalent to
+@code{lgamma} etc. It is better to use @code{lgamma} since for one the
+name reflect better the actual computation and @code{lgamma} is also
+standardized in @w{ISO C 9x} while @code{gamma} is not.
+@end deftypefun
+
+@comment math.h
+@comment XPG
+@deftypefun double tgamma (double @var{x})
+@deftypefunx float tgammaf (float @var{x})
+@deftypefunx {long double} tgammal (long double @var{x})
+@code{tgamma} applies the gamma function to @var{x}. The gamma
+function is defined as
+@tex
+$$\Gamma(x) = \int_0^\infty t^{x-1} e^{-t} \hbox{d}t$$
+@end tex
+@ifnottex
+@smallexample
+gamma (x) = integral from 0 to @infinity{} of t^(x-1) e^-t dt
+@end smallexample
+@end ifnottex
+
+This function was introduced in @w{ISO C 9x}.
@end deftypefun
-@end ignore
@comment math.h
@comment SVID
diff --git a/manual/stdio.texi b/manual/stdio.texi
index c9304712205..531717c81ff 100644
--- a/manual/stdio.texi
+++ b/manual/stdio.texi
@@ -1190,6 +1190,8 @@ char}, as appropriate. A @code{char} argument is converted to an
anyway, but the @samp{h} modifier says to convert it back to a
@code{char} again.
+This modifier was introduced in @w{ISO C 9x}.
+
@item h
Specifies that the argument is a @code{short int} or @code{unsigned
short int}, as appropriate. A @code{short} argument is converted to an
@@ -1197,6 +1199,12 @@ short int}, as appropriate. A @code{short} argument is converted to an
anyway, but the @samp{h} modifier says to convert it back to a
@code{short} again.
+@item j
+Specifies that the argument is a @code{intmax_t} or @code{uintmax_t}, as
+appropriate.
+
+This modifier was introduced in @w{ISO C 9x}.
+
@item l
Specifies that the argument is a @code{long int} or @code{unsigned long
int}, as appropriate. Two @samp{l} characters is like the @samp{L}
@@ -1213,8 +1221,17 @@ The @samp{q} modifier is another name for the same thing, which comes
from 4.4 BSD; a @w{@code{long long int}} is sometimes called a ``quad''
@code{int}.
-@item Z
-Specifies that the argument is a @code{size_t}. This is a GNU extension.
+@item t
+Specifies that the argument is a @code{ptrdiff_t}.
+
+This modifier was introduced in @w{ISO C 9x}.
+
+@item z
+@itemx Z
+Specifies that the argument is a @code{size_t}.
+
+@samp{z} was introduced in @w{ISO C 9x}. @samp{Z} is a GNU extension
+predating this addition and should not be used anymore in new code.
@end table
Here is an example. Using the template string:
@@ -2653,10 +2670,17 @@ specify other sizes of integer:
Specifies that the argument is a @code{signed char *} or @code{unsigned
char *}.
+This modifier was introduced in @w{ISO C 9x}.
+
@item h
Specifies that the argument is a @code{short int *} or @code{unsigned
short int *}.
+@item j
+Specifies that the argument is a @code{intmax_t *} or @code{uintmax_t *}.
+
+This modifier was introduced in @w{ISO C 9x}.
+
@item l
Specifies that the argument is a @code{long int *} or @code{unsigned
long int *}. Two @samp{l} characters is like the @samp{L} modifier, below.
@@ -2672,6 +2696,16 @@ is the same as @code{long int}.)
The @samp{q} modifier is another name for the same thing, which comes
from 4.4 BSD; a @w{@code{long long int}} is sometimes called a ``quad''
@code{int}.
+
+@item t
+Specifies that the argument is a @code{ptrdiff_t *}.
+
+This modifier was introduced in @w{ISO C 9x}.
+
+@item z
+Specifies that the argument is a @code{size_t *}.
+
+This modifier was introduced in @w{ISO C 9x}.
@end table
All of the @samp{%e}, @samp{%f}, @samp{%g}, @samp{%E}, and @samp{%G}