diff options
54 files changed, 2443 insertions, 700 deletions
@@ -1,3 +1,109 @@ +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. + 1998-07-27 22:25 Ulrich Drepper <drepper@cygnus.com> * sysdeps/generic/glob.c: Handle ~ and ~NAME case correctly. diff --git a/manual/math.texi b/manual/math.texi index 4386c2fefc..e1d597d06a 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 c930471220..531717c81f 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} diff --git a/math/Makefile b/math/Makefile index 9f2d3367e5..4bd9580084 100644 --- a/math/Makefile +++ b/math/Makefile @@ -49,7 +49,7 @@ libm-calls = e_acos e_acosh e_asin e_atan2 e_atanh e_cosh e_exp e_fmod \ s_modf s_nextafter s_nextafterx s_rint s_scalbn s_scalbln \ s_significand s_sin s_tan s_tanh w_acos w_acosh w_asin \ w_atan2 w_atanh w_cosh w_drem w_exp w_exp2 w_exp10 w_fmod \ - w_gamma w_hypot w_j0 w_j1 w_jn w_lgamma w_lgamma_r \ + w_tgamma w_hypot w_j0 w_j1 w_jn w_lgamma w_lgamma_r \ w_log w_log10 w_pow w_remainder w_scalb w_sinh w_sqrt \ s_signbit s_fpclassify s_fmax s_fmin s_fdim s_nan s_trunc \ s_remquo s_log2 s_exp2 s_round s_nearbyint s_sincos \ diff --git a/math/Versions b/math/Versions index 8864ef1b87..580fa253aa 100644 --- a/math/Versions +++ b/math/Versions @@ -111,6 +111,7 @@ libm { scalbln; scalblnf; scalblnl; sincos; sincosf; sincosl; trunc; truncf; truncl; + tgamma; tgammaf; tgammal; # complex functions cabs; cabsf; cabsl; diff --git a/math/bits/mathcalls.h b/math/bits/mathcalls.h index 30bbb7c0aa..a94707ffe3 100644 --- a/math/bits/mathcalls.h +++ b/math/bits/mathcalls.h @@ -224,8 +224,12 @@ __MATHCALL (yn,, (int, _Mdouble_)); /* Error, gamma, and Bessel functions. */ __MATHCALL (erf,, (_Mdouble_)); __MATHCALL (erfc,, (_Mdouble_)); -__MATHCALL (gamma,, (_Mdouble_)); __MATHCALL (lgamma,, (_Mdouble_)); +__MATHCALL (tgamma,, (_Mdouble_)); +#endif + +#if defined __USE_MISC || defined __USE_XOPEN +__MATHCALL (gamma,, (_Mdouble_)); #endif #ifdef __USE_MISC diff --git a/math/libm-test.c b/math/libm-test.c index 52358d5b34..95d285e1c7 100644 --- a/math/libm-test.c +++ b/math/libm-test.c @@ -51,7 +51,7 @@ modf, nearbyint, nextafter, pow, remainder, remquo, rint, lrint, llrint, round, lround, llround, - scalb, scalbn, signbit, sin, sincos, sinh, sqrt, tan, tanh, trunc + scalb, scalbn, signbit, sin, sincos, sinh, sqrt, tan, tanh, |