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author | Ulrich Drepper <drepper@redhat.com> | 1996-10-31 02:57:12 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1996-10-31 02:57:12 +0000 |
commit | ba1ffaa1c6989873b57edc84491bfd1308b2190d (patch) | |
tree | 77274c1136f21a58e60397fdd62ad03846bc5888 /sysdeps/libm-ieee754/e_jnf.c | |
parent | f0f4432f46882d22f61a89f4130a697313f53901 (diff) | |
download | glibc-ba1ffaa1c6989873b57edc84491bfd1308b2190d.tar.gz glibc-ba1ffaa1c6989873b57edc84491bfd1308b2190d.tar.xz glibc-ba1ffaa1c6989873b57edc84491bfd1308b2190d.zip |
update from main archive 961030 cvs/libc-961031
Thu Oct 31 00:01:39 1996 Ulrich Drepper <drepper@cygnus.com> * signal/Makefile (routines): Add sigwait. * signal/signal.h: Add prototype for sigwait. * sysdeps/posix/sigwait.c: New file. Implementation of sigwait function from POSIX.1c. * sysdeps/stub/sigwait.c: New file. Stub version of sigwait. Wed Oct 30 02:01:17 1996 Richard Henderson <rth@tamu.edu> * sunrpc/xdr_float.c (xdr_float): Handle sizeof(float)!=sizeof(long), but don't bother going farther than sizeof(float)==sizeof(int). (xdr_double): Handle little-endian machines! Handle sizeof(double) != 2*sizeof(long), though again don't bother with more than int. Thu Oct 29 16:09:42 1996 Craig Metz <cmetz@inner.net> * sysdeps/posix/getaddrinfo.c: Use buffer limits for inet_ntop function. Tue Oct 29 12:37:22 1996 Ulrich Drepper <drepper@cygnus.com> * Makerules: Create symbolic links for linking in $(libdir). (make-link): Use absolute path for destination if this is not in the same directory. * elf/rtld.c (dl_main): When verifying don't check the name of the dynamic linker. * shlib-versions: Change entries for Hurd specific libs from *-*-gnu* to *-*-gnu?* so that i586-pc-linux-gnu does not match these entries. * assert/assert.h: Reformat copyright. Change reference to ANSI into reference to ISO C. * ctype/ctype.h: Likewise. * errno.h: Likewise. * limits.h: Likewise. * math/math.h: Likewise. * setjmp/setjmp.h: Likewise. * stdio/stdio.h: Likewise. * libio/stdio.h: Likewise. * stdlib/stdlib.h: Likewise. * string/string.h: Likewise. * time/time.h: Likewise. * string/argz.h: Use __const is definitions. * elf/dlfcn.h: Use __const and __P. Reformat copyright. * misc/err.h: Likewise. * wctype/wctype.h (wctrans_t): Use __const instead of const. * Makeconfig ($(common-objpfx)soversions.mk): Generate list of sonames for versioned libraries. * Makefile: Remove code to generate libc-version.h. Generate gnu/lib-names.h with info from soversions.mk. * features.h: Define __GLIBC__ and __GLIBC_MINOR__. * dirent/tst-seekdir.c: Initialize save3. * grp/testgrp.c: Initialize my_group. * grp/fgetgrent_r.c: Change interface to follow POSIX.1c. * grp/grp.h: Likewise. * nss/getXXbyYY.c: Likewise. * nss/getXXbyYY_r.c: Likewise. * nss/getXXent.c: Likewise. * nss/getXXent_r.c: Likewise. * pwd/fgetpwent_r.c: Likewise. * pwd/pwd.h: Likewise. * shadow/fgetspent_r.c: Likewise. * shadow/sgetspent.c: Likewise. * shadow/sgetspent_r.c: Likewise. * grp/fgetgrent.c: Adapt for change in interface of fgetgrent_r. * pwd/fgetpwent.c: Likewise, for fgetpwent_r.c. * shadow/fgetspent.c: Likewise, for fgetpwent_r.c. * resolv/netdb.h: Adapt prototypes for reentrant functions to follow POSIX.1c. * sunrpc/rpc/netdb.h: Likewise, * shadow/shadow.h: Likewise. * inet/getnetgrent_r.c: Follow change in pwd/grp function interface. * sysdeps/unix/getlogin_r.c: Return ERANGE when buffer is too small. * inet/herrno.c: Don't define __h_errno. Only h_errno otherwise the ELF aliasing creates strange situations. * sysdeps/unix/sysv/linux/errnos.H: Define __set_errno as inline function. * sysdeps/unix/sysv/linux/i386/sysdep.S: Don't define __errno. * sysdeps/unix/sysv/linux/m68k/sysdep.S: Likewise. * libio/libio.h: Don't declare _IO_flockfile and _IO_funlockfile weak. * locale/programs/charmap.c: Add casts to prevent warnings. * locale/programs/linereader.h: Likewise. * locale/programs/ld-collate.c: Likewise. * locale/programs/stringtrans.c: Likewise. Change types for various variables to prevent warnings. * locale/programs/ld-ctype.c: Likewise. * locale/programs/linereader.h (lr_ungetc): Likewise. * locale/programs/charset.h (struct charset): Use `unsigned int' as type for width_default. * posix/regex.c: Change type of `this_reg' variables. * stdio-common/Makefile: Use -Wno-format for tstdiomisc.c. * stdio-common/bug5.c: De-ANSI-fy. Use correct types for variables. * stdio-common/printf_fp.c: Initialize to_shift. * stdio-common/test_rdwr.c: Add cast. * stdio-common/vfprintf.c: Add casts and use correct types to prevent warnings. * stdio-common/vfscanf.c: Initialize str and strptr. * sysdeps/libm-ieee754/e_jnf.c: Use correct types to prevent warnings. * sysdeps/libm-ieee754/e_pow.c: Likewise. * sysdeps/libm-ieee754/e_powf.c: Likewise. * sysdeps/libm-ieee754/e_rem_pio2f.c: Likewise. * time/test-tz.c: Likewise. * manual/creature.texi: Document _REENTRANT and _THREAD_SAFE. * manual/libc.texinfo: Prevent makeinfo failure by avoiding libc.cp index. This must be fixed. * manual/nss.texi: Adapt for correct POSIX.1c interface of reentrant functions. * manual/users.texi: Document netgroup functions. * po/es.po: Updated. * po/fr.po: Updated. * posix/fnmatch.c: Change to match libit version. * posix/unistd.h: Change prototype for ttyname_r to match POSIX.1c. * sysdep/posix/ttyname_r.c: Likewise. * stdlib/atexit.h (__new_exitfn): Add internal locking. * stdlib/exit.c: De-ANSI-fy. Handle new ef_us value for flavor. * stdlib/exit.h: De-ANSI-fy. Define new ef_us value for flavor. * stdlib/random.c (__srandom): Add internal locking. (__initstate): Likewise. (__setstate): Likewise. (__random): Likewise. Mon Oct 28 22:28:37 1996 NIIBE Yutaka <gniibe@mri.co.jp> * sysdeps/generic/crypt-entry.c (crypt_r): Use __set_errno. (crypt): Likewise. * resolv/gethnamaddr.c (gethostbyname2): Likewise. * sysdeps/generic/uname.c: Likewise. * sysdeps/posix/rename.c: Likewise. * sysdeps/stub/setrlimit.c: Likewise. * nss/nss_db/db-netgrp.c (_nss_db_setnetgrent): Fix typo. Sun Oct 27 11:12:50 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * locale/programs/ld-collate.c (collate_order_elem): Fix format string. (collate_element_to): Cast field width argument to `int' for format string. (collate_symbol): Likewise. (collate_order_elem): Likewise. (collate_weight_bsymbol): Likewise. (collate_simple_weight): Likewise. * locale/programs/ld-time.c (STRARR_ELEM): Fix format string. * locale/programs/ld-ctype.c (ctype_class_newP): Add missing argument for format string. (ctype_map_newP): Likewise. (set_class_defaults): Fix format string. * locale/programs/localedef.c (construct_output_path): Putting an explicit \0 into the format string does not work, use %c. Sat Oct 26 20:38:36 1996 Richard Henderson <rth@tamu.edu> * Makerules: Install all shared libraries in $(slibdir). * login/Makefile: Build libutil.so in others pass after libc.so is created. * misc/mntent.h: Include <paths.h> for _PATH_MNTTAB & _PATH_MOUNTED. * string/stratcliff.c: Allocate 3 pages instead of one, then use mprotect so that we know that the adjacent pages are inaccessible. * resource/sys/resource.h: Move all structures and enums to ... * sysdeps/generic/resourcebits.h: ... here ... * sysdeps/unix/bsd/sun/sunos4/resourcebits.h: ... and here. * sysdeps/unix/sysv/linux/alpha/resourcebits.h: Remove. * sysdeps/unix/sysv/linux/i386/resourcebits.h: Remove. * sysdeps/unix/sysv/linux/m68k/resourcebits.h: Remove. * sysdeps/unix/sysv/linux/mips/resourcebits.h: Remove. * sysdeps/unix/sysv/linux/resourcebits.h: New file. Use kernel header for RLIMIT_* definitions. The members of struct rlimit are longs. Thu Oct 24 17:43:34 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * MakeTAGS (sysdep-dirs): Fix typo. Wed Oct 23 03:45:22 1996 Ulrich Drepper <drepper@cygnus.com> * Makefile (headers): Don't mention libc-version.h. (install-others): ...but here. * time/strptime.c: Recognize %s, %u, %g, and %G format. nothing is found. This guarantees all subsequent calls behave * sysdeps/unix/sysv/linux/syscalls.list: Change function name for * io/getwd.c (getwd) [! PATH_MAX]: Don't assume that the user's buffer is any longer than the amount necessary to hold the filename; the Hurd getcwd uses the *entire* contents of the buffer, however long it is specified to be. * posix/getconf.c: De-ANSI-fy. Recognize POSIX.2 constant names. since these do not depend on the platform.
Diffstat (limited to 'sysdeps/libm-ieee754/e_jnf.c')
-rw-r--r-- | sysdeps/libm-ieee754/e_jnf.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/sysdeps/libm-ieee754/e_jnf.c b/sysdeps/libm-ieee754/e_jnf.c index b9951f6b43..9e5279c30a 100644 --- a/sysdeps/libm-ieee754/e_jnf.c +++ b/sysdeps/libm-ieee754/e_jnf.c @@ -8,7 +8,7 @@ * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice + * software is freely granted, provided that this notice * is preserved. * ==================================================== */ @@ -53,7 +53,7 @@ static float zero = 0.0000000000e+00; ix = 0x7fffffff&hx; /* if J(n,NaN) is NaN */ if(ix>0x7f800000) return x+x; - if(n<0){ + if(n<0){ n = -n; x = -x; hx ^= 0x80000000; @@ -64,7 +64,7 @@ static float zero = 0.0000000000e+00; x = fabsf(x); if(ix==0||ix>=0x7f800000) /* if x is 0 or inf */ b = zero; - else if((float)n<=x) { + else if((float)n<=x) { /* Safe to use J(n+1,x)=2n/x *J(n,x)-J(n-1,x) */ a = __ieee754_j0f(x); b = __ieee754_j1f(x); @@ -75,7 +75,7 @@ static float zero = 0.0000000000e+00; } } else { if(ix<0x30800000) { /* x < 2**-29 */ - /* x is tiny, return the first Taylor expansion of J(n,x) + /* x is tiny, return the first Taylor expansion of J(n,x) * J(n,x) = 1/n!*(x/2)^n - ... */ if(n>33) /* underflow */ @@ -90,14 +90,14 @@ static float zero = 0.0000000000e+00; } } else { /* use backward recurrence */ - /* x x^2 x^2 + /* x x^2 x^2 * J(n,x)/J(n-1,x) = ---- ------ ------ ..... * 2n - 2(n+1) - 2(n+2) * - * 1 1 1 + * 1 1 1 * (for large x) = ---- ------ ------ ..... * 2n 2(n+1) 2(n+2) - * -- - ------ - ------ - + * -- - ------ - ------ - * x x x * * Let w = 2n/x and h=2/x, then the above quotient @@ -113,9 +113,9 @@ static float zero = 0.0000000000e+00; * To determine how many terms needed, let * Q(0) = w, Q(1) = w(w+h) - 1, * Q(k) = (w+k*h)*Q(k-1) - Q(k-2), - * When Q(k) > 1e4 good for single - * When Q(k) > 1e9 good for double - * When Q(k) > 1e17 good for quadruple + * When Q(k) > 1e4 good for single + * When Q(k) > 1e9 good for double + * When Q(k) > 1e17 good for quadruple */ /* determine k */ float t,v; @@ -137,7 +137,7 @@ static float zero = 0.0000000000e+00; * single 8.8722839355e+01 * double 7.09782712893383973096e+02 * long double 1.1356523406294143949491931077970765006170e+04 - * then recurrent value may overflow and the result is + * then recurrent value may overflow and the result is * likely underflow to zero */ tmp = n; @@ -173,13 +173,14 @@ static float zero = 0.0000000000e+00; } #ifdef __STDC__ - float __ieee754_ynf(int n, float x) + float __ieee754_ynf(int n, float x) #else - float __ieee754_ynf(n,x) + float __ieee754_ynf(n,x) int n; float x; #endif { - int32_t i,hx,ix,ib; + int32_t i,hx,ix; + u_int32_t ib; int32_t sign; float a, b, temp; @@ -202,7 +203,7 @@ static float zero = 0.0000000000e+00; b = __ieee754_y1f(x); /* quit if b is -inf */ GET_FLOAT_WORD(ib,b); - for(i=1;i<n&&ib!=0xff800000;i++){ + for(i=1;i<n&&ib!=0xff800000;i++){ temp = b; b = ((float)(i+i)/x)*b - a; GET_FLOAT_WORD(ib,b); |