aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/libm-ieee754/e_powf.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>1996-10-31 02:57:12 +0000
committerUlrich Drepper <drepper@redhat.com>1996-10-31 02:57:12 +0000
commitba1ffaa1c6989873b57edc84491bfd1308b2190d (patch)
tree77274c1136f21a58e60397fdd62ad03846bc5888 /sysdeps/libm-ieee754/e_powf.c
parentf0f4432f46882d22f61a89f4130a697313f53901 (diff)
downloadglibc-ba1ffaa1c6989873b57edc84491bfd1308b2190d.tar
glibc-ba1ffaa1c6989873b57edc84491bfd1308b2190d.tar.gz
glibc-ba1ffaa1c6989873b57edc84491bfd1308b2190d.tar.bz2
glibc-ba1ffaa1c6989873b57edc84491bfd1308b2190d.zip
update from main archive 961030cvs/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_powf.c')
-rw-r--r--sysdeps/libm-ieee754/e_powf.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/sysdeps/libm-ieee754/e_powf.c b/sysdeps/libm-ieee754/e_powf.c
index 37e32ab3ca..1358555128 100644
--- a/sysdeps/libm-ieee754/e_powf.c
+++ b/sysdeps/libm-ieee754/e_powf.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.
* ====================================================
*/
@@ -74,12 +74,12 @@ ivln2_l = 7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/
ix = hx&0x7fffffff; iy = hy&0x7fffffff;
/* y==zero: x**0 = 1 */
- if(iy==0) return one;
+ if(iy==0) return one;
/* +-NaN return x+y */
if(ix > 0x7f800000 ||
iy > 0x7f800000)
- return x+y;
+ return x+y;
/* determine if y is an odd int when x < 0
* yisint = 0 ... y is not an integer
@@ -87,14 +87,14 @@ ivln2_l = 7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/
* yisint = 2 ... y is an even int
*/
yisint = 0;
- if(hx<0) {
+ if(hx<0) {
if(iy>=0x4b800000) yisint = 2; /* even integer y */
else if(iy>=0x3f800000) {
k = (iy>>23)-0x7f; /* exponent */
j = iy>>(23-k);
if((j<<(23-k))==iy) yisint = 2-(j&1);
- }
- }
+ }
+ }
/* special value of y */
if (iy==0x7f800000) { /* y is +-inf */
@@ -104,14 +104,14 @@ ivln2_l = 7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/
return (hy>=0)? y: zero;
else /* (|x|<1)**-,+inf = inf,0 */
return (hy<0)?-y: zero;
- }
+ }
if(iy==0x3f800000) { /* y is +-1 */
if(hy<0) return one/x; else return x;
}
if(hy==0x40000000) return x*x; /* y is 2 */
if(hy==0x3f000000) { /* y is 0.5 */
if(hx>=0) /* x >= +0 */
- return __ieee754_sqrtf(x);
+ return __ieee754_sqrtf(x);
}
ax = fabsf(x);
@@ -122,12 +122,12 @@ ivln2_l = 7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/
if(hx<0) {
if(((ix-0x3f800000)|yisint)==0) {
z = (z-z)/(z-z); /* (-1)**non-int is NaN */
- } else if(yisint==1)
+ } else if(yisint==1)
z = -z; /* (x<0)**odd = -(|x|**odd) */
}
return z;
}
-
+
/* (x<0)**(non-int) is NaN */
if(((((u_int32_t)hx>>31)-1)|yisint)==0) return (x-x)/(x-x);
@@ -136,7 +136,7 @@ ivln2_l = 7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/
/* over/underflow if x is not close to one */
if(ix<0x3f7ffff8) return (hy<0)? huge*huge:tiny*tiny;
if(ix>0x3f800007) return (hy>0)? huge*huge:tiny*tiny;
- /* now |1-x| is tiny <= 2**-20, suffice to compute
+ /* now |1-x| is tiny <= 2**-20, suffice to compute
log(x) by x-x^2/2+x^3/3-x^4/4 */
t = x-1; /* t has 20 trailing zeros */
w = (t*t)*((float)0.5-t*((float)0.333333333333-t*(float)0.25));
@@ -217,7 +217,7 @@ ivln2_l = 7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/
}
else if ((j&0x7fffffff)>0x43160000) /* z <= -150 */
return s*tiny*tiny; /* underflow */
- else if (j==0xc3160000){ /* z == -150 */
+ else if ((u_int32_t) j==0xc3160000){ /* z == -150 */
if(p_l<=z-p_h) return s*tiny*tiny; /* underflow */
}
/*
@@ -233,7 +233,7 @@ ivln2_l = 7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/
n = ((n&0x007fffff)|0x00800000)>>(23-k);
if(j<0) n = -n;
p_h -= t;
- }
+ }
t = p_l+p_h;
GET_FLOAT_WORD(is,t);
SET_FLOAT_WORD(t,is&0xfffff000);