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[Commits] r22738 - in /fsf/trunk/libc: ./ csu/ elf/ hesiod/nss_hesiod/ sysdeps/generic/ sysdeps/ieee754/dbl-64/ sysdeps/ieee754/ldbl-1...
- To: commits@xxxxxxxxxx
- Subject: [Commits] r22738 - in /fsf/trunk/libc: ./ csu/ elf/ hesiod/nss_hesiod/ sysdeps/generic/ sysdeps/ieee754/dbl-64/ sysdeps/ieee754/ldbl-1...
- From: eglibc@xxxxxxxxxx
- Date: Fri, 29 Mar 2013 00:02:07 -0000
Author: eglibc
Date: Fri Mar 29 00:02:05 2013
New Revision: 22738
Log:
Import glibc-mainline for 2013-03-29
Modified:
fsf/trunk/libc/ChangeLog
fsf/trunk/libc/NEWS
fsf/trunk/libc/csu/libc-start.c
fsf/trunk/libc/csu/libc-tls.c
fsf/trunk/libc/elf/dl-iteratephdr.c
fsf/trunk/libc/elf/dl-support.c
fsf/trunk/libc/hesiod/nss_hesiod/hesiod-grp.c
fsf/trunk/libc/sysdeps/generic/ldsodefs.h
fsf/trunk/libc/sysdeps/ieee754/dbl-64/e_atan2.c
fsf/trunk/libc/sysdeps/ieee754/ldbl-128ibm/e_logl.c
fsf/trunk/libc/sysdeps/mach/hurd/i386/init-first.c
fsf/trunk/libc/sysdeps/posix/libc_fatal.c
fsf/trunk/libc/sysdeps/powerpc/fpu/libm-test-ulps
fsf/trunk/libc/sysdeps/powerpc/powerpc32/start.S
fsf/trunk/libc/sysdeps/powerpc/powerpc64/start.S
Modified: fsf/trunk/libc/ChangeLog
==============================================================================
--- fsf/trunk/libc/ChangeLog (original)
+++ fsf/trunk/libc/ChangeLog Fri Mar 29 00:02:05 2013
@@ -1,3 +1,48 @@
+2013-03-28 Roland McGrath <roland@xxxxxxxxxxxxx>
+
+ * csu/libc-start.c (__libc_start_main) [!SHARED]: If _dl_aux_init
+ didn't do it already, then set _dl_phdr and _dl_phnum based on the
+ magic __ehdr_start linker symbol if it's defined.
+ * sysdeps/mach/hurd/i386/init-first.c (init1) [!SHARED]: Don't set
+ them up here if it was already done.
+
+ * elf/dl-support.c (_dl_phdr): Make pointer to const.
+ (_dl_aux_init): Use const in cast when setting it.
+ * sysdeps/mach/hurd/i386/init-first.c (init1): Remove superfluous cast.
+ * sysdeps/generic/ldsodefs.h [!SHARED] (_dl_phdr): Update decl.
+ * csu/libc-tls.c (__libc_setup_tls): Make PHDR pointer to const.
+
+ * sysdeps/generic/ldsodefs.h [!SHARED] (_dl_phdr, _dl_phnum):
+ Declare them here.
+ * elf/dl-iteratephdr.c [!SHARED] (_dl_phdr, _dl_phnum): Not here.
+ * csu/libc-tls.c: Nor here.
+ * sysdeps/mach/hurd/i386/init-first.c (init1): Nor here.
+
+ * sysdeps/posix/libc_fatal.c: Don't include <sys/syslog.h>.
+ (__libc_message): Never call vsyslog.
+
+2013-03-28 Alan Modra <amodra@xxxxxxxxx>
+
+ * sysdeps/powerpc/powerpc32/start.S (cfi_startproc, cfi_endproc):
+ Define as empty.
+ * sysdeps/powerpc/powerpc64/start.S (cfi_startproc, cfi_endproc):
+ Likewise.
+
+2013-03-28 Adhemerval Zanella <azanella@xxxxxxxxxxxxxxxxxx>
+
+ [BZ #15214]
+ * sysdeps/ieee754/ldbl-128ibm/e_logl.c (__ieee754_logl): Fix spurious
+ underflow.
+ * sysdeps/powerpc/fpu/libm-test-ulps: Update.
+
+2013-03-28 Siddhesh Poyarekar <siddhesh@xxxxxxxxxx>
+
+ [BZ #15304]
+ * hesiod/nss_hesiod/hesiod-grp.c (_nss_hesiod_initgroups_dyn):
+ Don't add gid passed as argument.
+
+ * sysdeps/ieee-754/dbl-64/e_atan2.c: Reformat.
+
2013-03-27 Joseph Myers <joseph@xxxxxxxxxxxxxxxx>
[BZ #15307]
Modified: fsf/trunk/libc/NEWS
==============================================================================
--- fsf/trunk/libc/NEWS (original)
+++ fsf/trunk/libc/NEWS Fri Mar 29 00:02:05 2013
@@ -12,7 +12,7 @@
11120, 11561, 12723, 13550, 13889, 13951, 14142, 14176, 14200, 14317,
14327, 14496, 14812, 14920, 14964, 14981, 14982, 14985, 14994, 14996,
15003, 15006, 15020, 15023, 15036, 15054, 15055, 15062, 15078, 15160,
- 15232, 15234, 15283, 15285, 15287, 15307.
+ 15214, 15232, 15234, 15283, 15285, 15287, 15304, 15307.
* Add support for calling C++11 thread_local object destructors on thread
and program exit. This needs compiler support for offloading C++11
Modified: fsf/trunk/libc/csu/libc-start.c
==============================================================================
--- fsf/trunk/libc/csu/libc-start.c (original)
+++ fsf/trunk/libc/csu/libc-start.c Fri Mar 29 00:02:05 2013
@@ -15,6 +15,7 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
@@ -151,7 +152,24 @@
}
# endif
_dl_aux_init (auxvec);
-# endif
+ if (GL(dl_phdr) == NULL)
+# endif
+ {
+ /* Starting from binutils-2.23, the linker will define the
+ magic symbol __ehdr_start to point to our own ELF header
+ if it is visible in a segment that also includes the phdrs.
+ So we can set up _dl_phdr and _dl_phnum even without any
+ information from auxv. */
+
+ extern const ElfW(Ehdr) __ehdr_start __attribute__ ((weak));
+ if (&__ehdr_start != NULL)
+ {
+ assert (__ehdr_start.e_phentsize == sizeof *GL(dl_phdr));
+ GL(dl_phdr) = (const void *) &__ehdr_start + __ehdr_start.e_phoff;
+ GL(dl_phnum) = __ehdr_start.e_phnum;
+ }
+ }
+
# ifdef DL_SYSDEP_OSCHECK
if (!__libc_multiple_libcs)
{
Modified: fsf/trunk/libc/csu/libc-tls.c
==============================================================================
--- fsf/trunk/libc/csu/libc-tls.c (original)
+++ fsf/trunk/libc/csu/libc-tls.c Fri Mar 29 00:02:05 2013
@@ -27,10 +27,6 @@
#ifdef SHARED
#error makefile bug, this file is for static only
#endif
-
-extern ElfW(Phdr) *_dl_phdr;
-extern size_t _dl_phnum;
-
dtv_t _dl_static_dtv[2 + TLS_SLOTINFO_SURPLUS];
@@ -118,7 +114,7 @@
size_t align = 0;
size_t max_align = tcbalign;
size_t tcb_offset;
- ElfW(Phdr) *phdr;
+ const ElfW(Phdr) *phdr;
/* Look through the TLS segment if there is any. */
if (_dl_phdr != NULL)
Modified: fsf/trunk/libc/elf/dl-iteratephdr.c
==============================================================================
--- fsf/trunk/libc/elf/dl-iteratephdr.c (original)
+++ fsf/trunk/libc/elf/dl-iteratephdr.c Fri Mar 29 00:02:05 2013
@@ -92,10 +92,6 @@
#else
-/* dl-support.c defines these and initializes them early on. */
-extern ElfW(Phdr) *_dl_phdr;
-extern size_t _dl_phnum;
-
int
dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info,
size_t size, void *data), void *data)
Modified: fsf/trunk/libc/elf/dl-support.c
==============================================================================
--- fsf/trunk/libc/elf/dl-support.c (original)
+++ fsf/trunk/libc/elf/dl-support.c Fri Mar 29 00:02:05 2013
@@ -126,7 +126,7 @@
int _dl_correct_cache_id = _DL_CACHE_DEFAULT_ID;
ElfW(auxv_t) *_dl_auxv;
-ElfW(Phdr) *_dl_phdr;
+const ElfW(Phdr) *_dl_phdr;
size_t _dl_phnum;
uint64_t _dl_hwcap __attribute__ ((nocommon));
@@ -205,7 +205,7 @@
GLRO(dl_clktck) = av->a_un.a_val;
break;
case AT_PHDR:
- GL(dl_phdr) = (void *) av->a_un.a_val;
+ GL(dl_phdr) = (const void *) av->a_un.a_val;
break;
case AT_PHNUM:
GL(dl_phnum) = av->a_un.a_val;
Modified: fsf/trunk/libc/hesiod/nss_hesiod/hesiod-grp.c
==============================================================================
--- fsf/trunk/libc/hesiod/nss_hesiod/hesiod-grp.c (original)
+++ fsf/trunk/libc/hesiod/nss_hesiod/hesiod-grp.c Fri Mar 29 00:02:05 2013
@@ -189,33 +189,6 @@
{
hesiod_end (context);
return errno == ENOENT ? NSS_STATUS_NOTFOUND : NSS_STATUS_UNAVAIL;
- }
-
- if (!internal_gid_in_list (groups, group, *start))
- {
- if (__builtin_expect (*start == *size, 0))
- {
- /* Need a bigger buffer. */
- gid_t *newgroups;
- long int newsize;
-
- if (limit > 0 && *size == limit)
- /* We reached the maximum. */
- goto done;
-
- if (limit <= 0)
- newsize = 2 * *size;
- else
- newsize = MIN (limit, 2 * *size);
-
- newgroups = realloc (groups, newsize * sizeof (*groups));
- if (newgroups == NULL)
- goto done;
- *groupsp = groups = newgroups;
- *size = newsize;
- }
-
- groups[(*start)++] = group;
}
save_errno = errno;
Modified: fsf/trunk/libc/sysdeps/generic/ldsodefs.h
==============================================================================
--- fsf/trunk/libc/sysdeps/generic/ldsodefs.h (original)
+++ fsf/trunk/libc/sysdeps/generic/ldsodefs.h Fri Mar 29 00:02:05 2013
@@ -601,6 +601,12 @@
#endif
#undef EXTERN
+#ifndef SHARED
+/* dl-support.c defines these and initializes them early on. */
+extern const ElfW(Phdr) *_dl_phdr;
+extern size_t _dl_phnum;
+#endif
+
#ifdef IS_IN_rtld
/* This is the initial value of GL(dl_error_catch_tsd).
A non-TLS libpthread will change it. */
Modified: fsf/trunk/libc/sysdeps/ieee754/dbl-64/e_atan2.c
==============================================================================
--- fsf/trunk/libc/sysdeps/ieee754/dbl-64/e_atan2.c (original)
+++ fsf/trunk/libc/sysdeps/ieee754/dbl-64/e_atan2.c Fri Mar 29 00:02:05 2013
@@ -53,96 +53,171 @@
/* Assumption: Machine arithmetic operations are performed in */
/* round to nearest mode of IEEE 754 standard. */
/************************************************************************/
-static double atan2Mp(double ,double ,const int[]);
+static double atan2Mp (double, double, const int[]);
/* Fix the sign and return after stage 1 or stage 2 */
-static double signArctan2(double y,double z)
+static double
+signArctan2 (double y, double z)
{
- return __copysign(z, y);
+ return __copysign (z, y);
}
-static double normalized(double ,double,double ,double);
-void __mpatan2(mp_no *,mp_no *,mp_no *,int);
+
+static double normalized (double, double, double, double);
+void __mpatan2 (mp_no *, mp_no *, mp_no *, int);
double
SECTION
-__ieee754_atan2(double y,double x) {
-
- int i,de,ux,dx,uy,dy;
- static const int pr[MM]={6,8,10,20,32};
- double ax,ay,u,du,u9,ua,v,vv,dv,t1,t2,t3,t7,t8,
- z,zz,cor,s1,ss1,s2,ss2;
+__ieee754_atan2 (double y, double x)
+{
+ int i, de, ux, dx, uy, dy;
+ static const int pr[MM] = { 6, 8, 10, 20, 32 };
+ double ax, ay, u, du, u9, ua, v, vv, dv, t1, t2, t3, t7, t8,
+ z, zz, cor, s1, ss1, s2, ss2;
#ifndef DLA_FMS
- double t4,t5,t6;
+ double t4, t5, t6;
#endif
number num;
- static const int ep= 59768832, /* 57*16**5 */
- em=-59768832; /* -57*16**5 */
+ static const int ep = 59768832, /* 57*16**5 */
+ em = -59768832; /* -57*16**5 */
/* x=NaN or y=NaN */
- num.d = x; ux = num.i[HIGH_HALF]; dx = num.i[LOW_HALF];
- if ((ux&0x7ff00000) ==0x7ff00000) {
- if (((ux&0x000fffff)|dx)!=0x00000000) return x+x; }
- num.d = y; uy = num.i[HIGH_HALF]; dy = num.i[LOW_HALF];
- if ((uy&0x7ff00000) ==0x7ff00000) {
- if (((uy&0x000fffff)|dy)!=0x00000000) return y+y; }
+ num.d = x;
+ ux = num.i[HIGH_HALF];
+ dx = num.i[LOW_HALF];
+ if ((ux & 0x7ff00000) == 0x7ff00000)
+ {
+ if (((ux & 0x000fffff) | dx) != 0x00000000)
+ return x + x;
+ }
+ num.d = y;
+ uy = num.i[HIGH_HALF];
+ dy = num.i[LOW_HALF];
+ if ((uy & 0x7ff00000) == 0x7ff00000)
+ {
+ if (((uy & 0x000fffff) | dy) != 0x00000000)
+ return y + y;
+ }
/* y=+-0 */
- if (uy==0x00000000) {
- if (dy==0x00000000) {
- if ((ux&0x80000000)==0x00000000) return ZERO;
- else return opi.d; } }
- else if (uy==0x80000000) {
- if (dy==0x00000000) {
- if ((ux&0x80000000)==0x00000000) return MZERO;
- else return mopi.d;} }
+ if (uy == 0x00000000)
+ {
+ if (dy == 0x00000000)
+ {
+ if ((ux & 0x80000000) == 0x00000000)
+ return ZERO;
+ else
+ return opi.d;
+ }
+ }
+ else if (uy == 0x80000000)
+ {
+ if (dy == 0x00000000)
+ {
+ if ((ux & 0x80000000) == 0x00000000)
+ return MZERO;
+ else
+ return mopi.d;
+ }
+ }
/* x=+-0 */
- if (x==ZERO) {
- if ((uy&0x80000000)==0x00000000) return hpi.d;
- else return mhpi.d; }
+ if (x == ZERO)
+ {
+ if ((uy & 0x80000000) == 0x00000000)
+ return hpi.d;
+ else
+ return mhpi.d;
+ }
/* x=+-INF */
- if (ux==0x7ff00000) {
- if (dx==0x00000000) {
- if (uy==0x7ff00000) {
- if (dy==0x00000000) return qpi.d; }
- else if (uy==0xfff00000) {
- if (dy==0x00000000) return mqpi.d; }
- else {
- if ((uy&0x80000000)==0x00000000) return ZERO;
- else return MZERO; }
- }
- }
- else if (ux==0xfff00000) {
- if (dx==0x00000000) {
- if (uy==0x7ff00000) {
- if (dy==0x00000000) return tqpi.d; }
- else if (uy==0xfff00000) {
- if (dy==0x00000000) return mtqpi.d; }
- else {
- if ((uy&0x80000000)==0x00000000) return opi.d;
- else return mopi.d; }
- }
- }
+ if (ux == 0x7ff00000)
+ {
+ if (dx == 0x00000000)
+ {
+ if (uy == 0x7ff00000)
+ {
+ if (dy == 0x00000000)
+ return qpi.d;
+ }
+ else if (uy == 0xfff00000)
+ {
+ if (dy == 0x00000000)
+ return mqpi.d;
+ }
+ else
+ {
+ if ((uy & 0x80000000) == 0x00000000)
+ return ZERO;
+ else
+ return MZERO;
+ }
+ }
+ }
+ else if (ux == 0xfff00000)
+ {
+ if (dx == 0x00000000)
+ {
+ if (uy == 0x7ff00000)
+ {
+ if (dy == 0x00000000)
+ return tqpi.d;
+ }
+ else if (uy == 0xfff00000)
+ {
+ if (dy == 0x00000000)
+ return mtqpi.d;
+ }
+ else
+ {
+ if ((uy & 0x80000000) == 0x00000000)
+ return opi.d;
+ else
+ return mopi.d;
+ }
+ }
+ }
/* y=+-INF */
- if (uy==0x7ff00000) {
- if (dy==0x00000000) return hpi.d; }
- else if (uy==0xfff00000) {
- if (dy==0x00000000) return mhpi.d; }
+ if (uy == 0x7ff00000)
+ {
+ if (dy == 0x00000000)
+ return hpi.d;
+ }
+ else if (uy == 0xfff00000)
+ {
+ if (dy == 0x00000000)
+ return mhpi.d;
+ }
/* either x/y or y/x is very close to zero */
- ax = (x<ZERO) ? -x : x; ay = (y<ZERO) ? -y : y;
+ ax = (x < ZERO) ? -x : x;
+ ay = (y < ZERO) ? -y : y;
de = (uy & 0x7ff00000) - (ux & 0x7ff00000);
- if (de>=ep) { return ((y>ZERO) ? hpi.d : mhpi.d); }
- else if (de<=em) {
- if (x>ZERO) {
- if ((z=ay/ax)<TWOM1022) return normalized(ax,ay,y,z);
- else return signArctan2(y,z); }
- else { return ((y>ZERO) ? opi.d : mopi.d); } }
+ if (de >= ep)
+ {
+ return ((y > ZERO) ? hpi.d : mhpi.d);
+ }
+ else if (de <= em)
+ {
+ if (x > ZERO)
+ {
+ if ((z = ay / ax) < TWOM1022)
+ return normalized (ax, ay, y, z);
+ else
+ return signArctan2 (y, z);
+ }
+ else
+ {
+ return ((y > ZERO) ? opi.d : mopi.d);
+ }
+ }
/* if either x or y is extremely close to zero, scale abs(x), abs(y). */
- if (ax<twom500.d || ay<twom500.d) { ax*=two500.d; ay*=two500.d; }
+ if (ax < twom500.d || ay < twom500.d)
+ {
+ ax *= two500.d;
+ ay *= two500.d;
+ }
/* Likewise for large x and y. */
if (ax > two500.d || ay > two500.d)
@@ -152,268 +227,377 @@
}
/* x,y which are neither special nor extreme */
- if (ay<ax) {
- u=ay/ax;
- EMULV(ax,u,v,vv,t1,t2,t3,t4,t5)
- du=((ay-v)-vv)/ax; }
- else {
- u=ax/ay;
- EMULV(ay,u,v,vv,t1,t2,t3,t4,t5)
- du=((ax-v)-vv)/ay; }
-
- if (x>ZERO) {
-
- /* (i) x>0, abs(y)< abs(x): atan(ay/ax) */
- if (ay<ax) {
- if (u<inv16.d) {
- v=u*u; zz=du+u*v*(d3.d+v*(d5.d+v*(d7.d+v*(d9.d+v*(d11.d+v*d13.d)))));
- if ((z=u+(zz-u1.d*u)) == u+(zz+u1.d*u)) return signArctan2(y,z);
-
- MUL2(u,du,u,du,v,vv,t1,t2,t3,t4,t5,t6,t7,t8)
- s1=v*(f11.d+v*(f13.d+v*(f15.d+v*(f17.d+v*f19.d))));
- ADD2(f9.d,ff9.d,s1,ZERO,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(f7.d,ff7.d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(f5.d,ff5.d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(f3.d,ff3.d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- MUL2(u,du,s1,ss1,s2,ss2,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(u,du,s2,ss2,s1,ss1,t1,t2)
- if ((z=s1+(ss1-u5.d*s1)) == s1+(ss1+u5.d*s1)) return signArctan2(y,z);
- return atan2Mp(x,y,pr);
- }
- else {
- i=(TWO52+TWO8*u)-TWO52; i-=16;
- t3=u-cij[i][0].d;
- EADD(t3,du,v,dv)
- t1=cij[i][1].d; t2=cij[i][2].d;
- zz=v*t2+(dv*t2+v*v*(cij[i][3].d+v*(cij[i][4].d+
- v*(cij[i][5].d+v* cij[i][6].d))));
- if (i<112) {
- if (i<48) u9=u91.d; /* u < 1/4 */
- else u9=u92.d; } /* 1/4 <= u < 1/2 */
- else {
- if (i<176) u9=u93.d; /* 1/2 <= u < 3/4 */
- else u9=u94.d; } /* 3/4 <= u <= 1 */
- if ((z=t1+(zz-u9*t1)) == t1+(zz+u9*t1)) return signArctan2(y,z);
-
- t1=u-hij[i][0].d;
- EADD(t1,du,v,vv)
- s1=v*(hij[i][11].d+v*(hij[i][12].d+v*(hij[i][13].d+
- v*(hij[i][14].d+v* hij[i][15].d))));
- ADD2(hij[i][9].d,hij[i][10].d,s1,ZERO,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(hij[i][7].d,hij[i][8].d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(hij[i][5].d,hij[i][6].d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(hij[i][3].d,hij[i][4].d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(hij[i][1].d,hij[i][2].d,s1,ss1,s2,ss2,t1,t2)
- if ((z=s2+(ss2-ub.d*s2)) == s2+(ss2+ub.d*s2)) return signArctan2(y,z);
- return atan2Mp(x,y,pr);
- }
- }
-
- /* (ii) x>0, abs(x)<=abs(y): pi/2-atan(ax/ay) */
- else {
- if (u<inv16.d) {
- v=u*u;
- zz=u*v*(d3.d+v*(d5.d+v*(d7.d+v*(d9.d+v*(d11.d+v*d13.d)))));
- ESUB(hpi.d,u,t2,cor)
- t3=((hpi1.d+cor)-du)-zz;
- if ((z=t2+(t3-u2.d)) == t2+(t3+u2.d)) return signArctan2(y,z);
-
- MUL2(u,du,u,du,v,vv,t1,t2,t3,t4,t5,t6,t7,t8)
- s1=v*(f11.d+v*(f13.d+v*(f15.d+v*(f17.d+v*f19.d))));
- ADD2(f9.d,ff9.d,s1,ZERO,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(f7.d,ff7.d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(f5.d,ff5.d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(f3.d,ff3.d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- MUL2(u,du,s1,ss1,s2,ss2,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(u,du,s2,ss2,s1,ss1,t1,t2)
- SUB2(hpi.d,hpi1.d,s1,ss1,s2,ss2,t1,t2)
- if ((z=s2+(ss2-u6.d)) == s2+(ss2+u6.d)) return signArctan2(y,z);
- return atan2Mp(x,y,pr);
- }
- else {
- i=(TWO52+TWO8*u)-TWO52; i-=16;
- v=(u-cij[i][0].d)+du;
- zz=hpi1.d-v*(cij[i][2].d+v*(cij[i][3].d+v*(cij[i][4].d+
- v*(cij[i][5].d+v* cij[i][6].d))));
- t1=hpi.d-cij[i][1].d;
- if (i<112) ua=ua1.d; /* w < 1/2 */
- else ua=ua2.d; /* w >= 1/2 */
- if ((z=t1+(zz-ua)) == t1+(zz+ua)) return signArctan2(y,z);
-
- t1=u-hij[i][0].d;
- EADD(t1,du,v,vv)
- s1=v*(hij[i][11].d+v*(hij[i][12].d+v*(hij[i][13].d+
- v*(hij[i][14].d+v* hij[i][15].d))));
- ADD2(hij[i][9].d,hij[i][10].d,s1,ZERO,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(hij[i][7].d,hij[i][8].d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(hij[i][5].d,hij[i][6].d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(hij[i][3].d,hij[i][4].d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(hij[i][1].d,hij[i][2].d,s1,ss1,s2,ss2,t1,t2)
- SUB2(hpi.d,hpi1.d,s2,ss2,s1,ss1,t1,t2)
- if ((z=s1+(ss1-uc.d)) == s1+(ss1+uc.d)) return signArctan2(y,z);
- return atan2Mp(x,y,pr);
- }
- }
- }
- else {
-
- /* (iii) x<0, abs(x)< abs(y): pi/2+atan(ax/ay) */
- if (ax<ay) {
- if (u<inv16.d) {
- v=u*u;
- zz=u*v*(d3.d+v*(d5.d+v*(d7.d+v*(d9.d+v*(d11.d+v*d13.d)))));
- EADD(hpi.d,u,t2,cor)
- t3=((hpi1.d+cor)+du)+zz;
- if ((z=t2+(t3-u3.d)) == t2+(t3+u3.d)) return signArctan2(y,z);
-
- MUL2(u,du,u,du,v,vv,t1,t2,t3,t4,t5,t6,t7,t8)
- s1=v*(f11.d+v*(f13.d+v*(f15.d+v*(f17.d+v*f19.d))));
- ADD2(f9.d,ff9.d,s1,ZERO,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(f7.d,ff7.d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(f5.d,ff5.d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(f3.d,ff3.d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- MUL2(u,du,s1,ss1,s2,ss2,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(u,du,s2,ss2,s1,ss1,t1,t2)
- ADD2(hpi.d,hpi1.d,s1,ss1,s2,ss2,t1,t2)
- if ((z=s2+(ss2-u7.d)) == s2+(ss2+u7.d)) return signArctan2(y,z);
- return atan2Mp(x,y,pr);
- }
- else {
- i=(TWO52+TWO8*u)-TWO52; i-=16;
- v=(u-cij[i][0].d)+du;
- zz=hpi1.d+v*(cij[i][2].d+v*(cij[i][3].d+v*(cij[i][4].d+
- v*(cij[i][5].d+v* cij[i][6].d))));
- t1=hpi.d+cij[i][1].d;
- if (i<112) ua=ua1.d; /* w < 1/2 */
- else ua=ua2.d; /* w >= 1/2 */
- if ((z=t1+(zz-ua)) == t1+(zz+ua)) return signArctan2(y,z);
-
- t1=u-hij[i][0].d;
- EADD(t1,du,v,vv)
- s1=v*(hij[i][11].d+v*(hij[i][12].d+v*(hij[i][13].d+
- v*(hij[i][14].d+v* hij[i][15].d))));
- ADD2(hij[i][9].d,hij[i][10].d,s1,ZERO,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(hij[i][7].d,hij[i][8].d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(hij[i][5].d,hij[i][6].d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(hij[i][3].d,hij[i][4].d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(hij[i][1].d,hij[i][2].d,s1,ss1,s2,ss2,t1,t2)
- ADD2(hpi.d,hpi1.d,s2,ss2,s1,ss1,t1,t2)
- if ((z=s1+(ss1-uc.d)) == s1+(ss1+uc.d)) return signArctan2(y,z);
- return atan2Mp(x,y,pr);
- }
- }
-
- /* (iv) x<0, abs(y)<=abs(x): pi-atan(ax/ay) */
- else {
- if (u<inv16.d) {
- v=u*u;
- zz=u*v*(d3.d+v*(d5.d+v*(d7.d+v*(d9.d+v*(d11.d+v*d13.d)))));
- ESUB(opi.d,u,t2,cor)
- t3=((opi1.d+cor)-du)-zz;
- if ((z=t2+(t3-u4.d)) == t2+(t3+u4.d)) return signArctan2(y,z);
-
- MUL2(u,du,u,du,v,vv,t1,t2,t3,t4,t5,t6,t7,t8)
- s1=v*(f11.d+v*(f13.d+v*(f15.d+v*(f17.d+v*f19.d))));
- ADD2(f9.d,ff9.d,s1,ZERO,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(f7.d,ff7.d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(f5.d,ff5.d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(f3.d,ff3.d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- MUL2(u,du,s1,ss1,s2,ss2,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(u,du,s2,ss2,s1,ss1,t1,t2)
- SUB2(opi.d,opi1.d,s1,ss1,s2,ss2,t1,t2)
- if ((z=s2+(ss2-u8.d)) == s2+(ss2+u8.d)) return signArctan2(y,z);
- return atan2Mp(x,y,pr);
- }
- else {
- i=(TWO52+TWO8*u)-TWO52; i-=16;
- v=(u-cij[i][0].d)+du;
- zz=opi1.d-v*(cij[i][2].d+v*(cij[i][3].d+v*(cij[i][4].d+
- v*(cij[i][5].d+v* cij[i][6].d))));
- t1=opi.d-cij[i][1].d;
- if (i<112) ua=ua1.d; /* w < 1/2 */
- else ua=ua2.d; /* w >= 1/2 */
- if ((z=t1+(zz-ua)) == t1+(zz+ua)) return signArctan2(y,z);
-
- t1=u-hij[i][0].d;
- EADD(t1,du,v,vv)
- s1=v*(hij[i][11].d+v*(hij[i][12].d+v*(hij[i][13].d+
- v*(hij[i][14].d+v* hij[i][15].d))));
- ADD2(hij[i][9].d,hij[i][10].d,s1,ZERO,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(hij[i][7].d,hij[i][8].d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(hij[i][5].d,hij[i][6].d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(hij[i][3].d,hij[i][4].d,s1,ss1,s2,ss2,t1,t2)
- MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
- ADD2(hij[i][1].d,hij[i][2].d,s1,ss1,s2,ss2,t1,t2)
- SUB2(opi.d,opi1.d,s2,ss2,s1,ss1,t1,t2)
- if ((z=s1+(ss1-uc.d)) == s1+(ss1+uc.d)) return signArctan2(y,z);
- return atan2Mp(x,y,pr);
- }
- }
- }
+ if (ay < ax)
+ {
+ u = ay / ax;
+ EMULV (ax, u, v, vv, t1, t2, t3, t4, t5);
+ du = ((ay - v) - vv) / ax;
+ }
+ else
+ {
+ u = ax / ay;
+ EMULV (ay, u, v, vv, t1, t2, t3, t4, t5);
+ du = ((ax - v) - vv) / ay;
+ }
+
+ if (x > ZERO)
+ {
+ /* (i) x>0, abs(y)< abs(x): atan(ay/ax) */
+ if (ay < ax)
+ {
+ if (u < inv16.d)
+ {
+ v = u * u;
+
+ zz = du + u * v * (d3.d
+ + v * (d5.d
+ + v * (d7.d
+ + v * (d9.d
+ + v * (d11.d
+ + v * d13.d)))));
+
+ if ((z = u + (zz - u1.d * u)) == u + (zz + u1.d * u))
+ return signArctan2 (y, z);
+
+ MUL2 (u, du, u, du, v, vv, t1, t2, t3, t4, t5, t6, t7, t8);
+ s1 = v * (f11.d + v * (f13.d
+ + v * (f15.d + v * (f17.d + v * f19.d))));
+ ADD2 (f9.d, ff9.d, s1, ZERO, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (f7.d, ff7.d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (f5.d, ff5.d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (f3.d, ff3.d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ MUL2 (u, du, s1, ss1, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (u, du, s2, ss2, s1, ss1, t1, t2);
+
+ if ((z = s1 + (ss1 - u5.d * s1)) == s1 + (ss1 + u5.d * s1))
+ return signArctan2 (y, z);
+
+ return atan2Mp (x, y, pr);
+ }
+
+ i = (TWO52 + TWO8 * u) - TWO52;
+ i -= 16;
+ t3 = u - cij[i][0].d;
+ EADD (t3, du, v, dv);
+ t1 = cij[i][1].d;
+ t2 = cij[i][2].d;
+ zz = v * t2 + (dv * t2
+ + v * v * (cij[i][3].d
+ + v * (cij[i][4].d
+ + v * (cij[i][5].d
+ + v * cij[i][6].d))));
+ if (i < 112)
+ {
+ if (i < 48)
+ u9 = u91.d; /* u < 1/4 */
+ else
+ u9 = u92.d;
+ } /* 1/4 <= u < 1/2 */
+ else
+ {
+ if (i < 176)
+ u9 = u93.d; /* 1/2 <= u < 3/4 */
+ else
+ u9 = u94.d;
+ } /* 3/4 <= u <= 1 */
+ if ((z = t1 + (zz - u9 * t1)) == t1 + (zz + u9 * t1))
+ return signArctan2 (y, z);
+
+ t1 = u - hij[i][0].d;
+ EADD (t1, du, v, vv);
+ s1 = v * (hij[i][11].d
+ + v * (hij[i][12].d
+ + v * (hij[i][13].d
+ + v * (hij[i][14].d
+ + v * hij[i][15].d))));
+ ADD2 (hij[i][9].d, hij[i][10].d, s1, ZERO, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (hij[i][7].d, hij[i][8].d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (hij[i][5].d, hij[i][6].d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (hij[i][3].d, hij[i][4].d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (hij[i][1].d, hij[i][2].d, s1, ss1, s2, ss2, t1, t2);
+
+ if ((z = s2 + (ss2 - ub.d * s2)) == s2 + (ss2 + ub.d * s2))
+ return signArctan2 (y, z);
+ return atan2Mp (x, y, pr);
+ }
+
+ /* (ii) x>0, abs(x)<=abs(y): pi/2-atan(ax/ay) */
+ if (u < inv16.d)
+ {
+ v = u * u;
+ zz = u * v * (d3.d
+ + v * (d5.d
+ + v * (d7.d
+ + v * (d9.d
+ + v * (d11.d
+ + v * d13.d)))));
+ ESUB (hpi.d, u, t2, cor);
+ t3 = ((hpi1.d + cor) - du) - zz;
+ if ((z = t2 + (t3 - u2.d)) == t2 + (t3 + u2.d))
+ return signArctan2 (y, z);
+
+ MUL2 (u, du, u, du, v, vv, t1, t2, t3, t4, t5, t6, t7, t8);
+ s1 = v * (f11.d
+ + v * (f13.d
+ + v * (f15.d + v * (f17.d + v * f19.d))));
+ ADD2 (f9.d, ff9.d, s1, ZERO, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (f7.d, ff7.d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (f5.d, ff5.d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (f3.d, ff3.d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ MUL2 (u, du, s1, ss1, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (u, du, s2, ss2, s1, ss1, t1, t2);
+ SUB2 (hpi.d, hpi1.d, s1, ss1, s2, ss2, t1, t2);
+
+ if ((z = s2 + (ss2 - u6.d)) == s2 + (ss2 + u6.d))
+ return signArctan2 (y, z);
+ return atan2Mp (x, y, pr);
+ }
+
+ i = (TWO52 + TWO8 * u) - TWO52;
+ i -= 16;
+ v = (u - cij[i][0].d) + du;
+
+ zz = hpi1.d - v * (cij[i][2].d
+ + v * (cij[i][3].d
+ + v * (cij[i][4].d
+ + v * (cij[i][5].d
+ + v * cij[i][6].d))));
+ t1 = hpi.d - cij[i][1].d;
+ if (i < 112)
+ ua = ua1.d; /* w < 1/2 */
+ else
+ ua = ua2.d; /* w >= 1/2 */
+ if ((z = t1 + (zz - ua)) == t1 + (zz + ua))
+ return signArctan2 (y, z);
+
+ t1 = u - hij[i][0].d;
+ EADD (t1, du, v, vv);
+
+ s1 = v * (hij[i][11].d
+ + v * (hij[i][12].d
+ + v * (hij[i][13].d
+ + v * (hij[i][14].d
+ + v * hij[i][15].d))));
+
+ ADD2 (hij[i][9].d, hij[i][10].d, s1, ZERO, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (hij[i][7].d, hij[i][8].d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (hij[i][5].d, hij[i][6].d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (hij[i][3].d, hij[i][4].d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (hij[i][1].d, hij[i][2].d, s1, ss1, s2, ss2, t1, t2);
+ SUB2 (hpi.d, hpi1.d, s2, ss2, s1, ss1, t1, t2);
+
+ if ((z = s1 + (ss1 - uc.d)) == s1 + (ss1 + uc.d))
+ return signArctan2 (y, z);
+ return atan2Mp (x, y, pr);
+ }
+
+ /* (iii) x<0, abs(x)< abs(y): pi/2+atan(ax/ay) */
+ if (ax < ay)
+ {
+ if (u < inv16.d)
+ {
+ v = u * u;
+ zz = u * v * (d3.d
+ + v * (d5.d
+ + v * (d7.d
+ + v * (d9.d
+ + v * (d11.d + v * d13.d)))));
+ EADD (hpi.d, u, t2, cor);
+ t3 = ((hpi1.d + cor) + du) + zz;
+ if ((z = t2 + (t3 - u3.d)) == t2 + (t3 + u3.d))
+ return signArctan2 (y, z);
+
+ MUL2 (u, du, u, du, v, vv, t1, t2, t3, t4, t5, t6, t7, t8);
+ s1 = v * (f11.d
+ + v * (f13.d + v * (f15.d + v * (f17.d + v * f19.d))));
+ ADD2 (f9.d, ff9.d, s1, ZERO, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (f7.d, ff7.d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (f5.d, ff5.d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (f3.d, ff3.d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ MUL2 (u, du, s1, ss1, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (u, du, s2, ss2, s1, ss1, t1, t2);
+ ADD2 (hpi.d, hpi1.d, s1, ss1, s2, ss2, t1, t2);
+
+ if ((z = s2 + (ss2 - u7.d)) == s2 + (ss2 + u7.d))
+ return signArctan2 (y, z);
+ return atan2Mp (x, y, pr);
+ }
+
+ i = (TWO52 + TWO8 * u) - TWO52;
+ i -= 16;
+ v = (u - cij[i][0].d) + du;
+ zz = hpi1.d + v * (cij[i][2].d
+ + v * (cij[i][3].d
+ + v * (cij[i][4].d
+ + v * (cij[i][5].d
+ + v * cij[i][6].d))));
+ t1 = hpi.d + cij[i][1].d;
+ if (i < 112)
+ ua = ua1.d; /* w < 1/2 */
+ else
+ ua = ua2.d; /* w >= 1/2 */
+ if ((z = t1 + (zz - ua)) == t1 + (zz + ua))
+ return signArctan2 (y, z);
+
+ t1 = u - hij[i][0].d;
+ EADD (t1, du, v, vv);
+ s1 = v * (hij[i][11].d
+ + v * (hij[i][12].d
+ + v * (hij[i][13].d
+ + v * (hij[i][14].d
+ + v * hij[i][15].d))));
+ ADD2 (hij[i][9].d, hij[i][10].d, s1, ZERO, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (hij[i][7].d, hij[i][8].d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (hij[i][5].d, hij[i][6].d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (hij[i][3].d, hij[i][4].d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (hij[i][1].d, hij[i][2].d, s1, ss1, s2, ss2, t1, t2);
+ ADD2 (hpi.d, hpi1.d, s2, ss2, s1, ss1, t1, t2);
+
+ if ((z = s1 + (ss1 - uc.d)) == s1 + (ss1 + uc.d))
+ return signArctan2 (y, z);
+ return atan2Mp (x, y, pr);
+ }
+
+ /* (iv) x<0, abs(y)<=abs(x): pi-atan(ax/ay) */
+ if (u < inv16.d)
+ {
+ v = u * u;
+ zz = u * v * (d3.d
+ + v * (d5.d
+ + v * (d7.d
+ + v * (d9.d + v * (d11.d + v * d13.d)))));
+ ESUB (opi.d, u, t2, cor);
+ t3 = ((opi1.d + cor) - du) - zz;
+ if ((z = t2 + (t3 - u4.d)) == t2 + (t3 + u4.d))
+ return signArctan2 (y, z);
+
+ MUL2 (u, du, u, du, v, vv, t1, t2, t3, t4, t5, t6, t7, t8);
+ s1 = v * (f11.d + v * (f13.d + v * (f15.d + v * (f17.d + v * f19.d))));
+ ADD2 (f9.d, ff9.d, s1, ZERO, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (f7.d, ff7.d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (f5.d, ff5.d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (f3.d, ff3.d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ MUL2 (u, du, s1, ss1, s2, ss2, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (u, du, s2, ss2, s1, ss1, t1, t2);
+ SUB2 (opi.d, opi1.d, s1, ss1, s2, ss2, t1, t2);
+
+ if ((z = s2 + (ss2 - u8.d)) == s2 + (ss2 + u8.d))
+ return signArctan2 (y, z);
+ return atan2Mp (x, y, pr);
+ }
+
+ i = (TWO52 + TWO8 * u) - TWO52;
+ i -= 16;
+ v = (u - cij[i][0].d) + du;
+ zz = opi1.d - v * (cij[i][2].d
+ + v * (cij[i][3].d
+ + v * (cij[i][4].d
+ + v * (cij[i][5].d + v * cij[i][6].d))));
+ t1 = opi.d - cij[i][1].d;
+ if (i < 112)
+ ua = ua1.d; /* w < 1/2 */
+ else
+ ua = ua2.d; /* w >= 1/2 */
+ if ((z = t1 + (zz - ua)) == t1 + (zz + ua))
+ return signArctan2 (y, z);
+
+ t1 = u - hij[i][0].d;
+
+ EADD (t1, du, v, vv);
+
+ s1 = v * (hij[i][11].d
+ + v * (hij[i][12].d
+ + v * (hij[i][13].d
+ + v * (hij[i][14].d + v * hij[i][15].d))));
+
+ ADD2 (hij[i][9].d, hij[i][10].d, s1, ZERO, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (hij[i][7].d, hij[i][8].d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (hij[i][5].d, hij[i][6].d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (hij[i][3].d, hij[i][4].d, s1, ss1, s2, ss2, t1, t2);
+ MUL2 (v, vv, s2, ss2, s1, ss1, t1, t2, t3, t4, t5, t6, t7, t8);
+ ADD2 (hij[i][1].d, hij[i][2].d, s1, ss1, s2, ss2, t1, t2);
+ SUB2 (opi.d, opi1.d, s2, ss2, s1, ss1, t1, t2);
+
+ if ((z = s1 + (ss1 - uc.d)) == s1 + (ss1 + uc.d))
+ return signArctan2 (y, z);
+ return atan2Mp (x, y, pr);
}
+
#ifndef __ieee754_atan2
strong_alias (__ieee754_atan2, __atan2_finite)
#endif
- /* Treat the Denormalized case */
+/* Treat the Denormalized case */
static double
SECTION
-normalized(double ax,double ay,double y, double z)
- { int p;
- mp_no mpx,mpy,mpz,mperr,mpz2,mpt1;
- p=6;
- __dbl_mp(ax,&mpx,p); __dbl_mp(ay,&mpy,p); __dvd(&mpy,&mpx,&mpz,p);
- __dbl_mp(ue.d,&mpt1,p); __mul(&mpz,&mpt1,&mperr,p);
- __sub(&mpz,&mperr,&mpz2,p); __mp_dbl(&mpz2,&z,p);
- return signArctan2(y,z);
+normalized (double ax, double ay, double y, double z)
+{
+ int p;
+ mp_no mpx, mpy, mpz, mperr, mpz2, mpt1;
+ p = 6;
+ __dbl_mp (ax, &mpx, p);
+ __dbl_mp (ay, &mpy, p);
+ __dvd (&mpy, &mpx, &mpz, p);
+ __dbl_mp (ue.d, &mpt1, p);
+ __mul (&mpz, &mpt1, &mperr, p);
+ __sub (&mpz, &mperr, &mpz2, p);
+ __mp_dbl (&mpz2, &z, p);
+ return signArctan2 (y, z);
}
- /* Stage 3: Perform a multi-Precision computation */
+
+/* Stage 3: Perform a multi-Precision computation */
static double
SECTION
-atan2Mp(double x,double y,const int pr[])
+atan2Mp (double x, double y, const int pr[])
{
- double z1,z2;
- int i,p;
- mp_no mpx,mpy,mpz,mpz1,mpz2,mperr,mpt1;
- for (i=0; i<MM; i++) {
- p = pr[i];
- __dbl_mp(x,&mpx,p); __dbl_mp(y,&mpy,p);
- __mpatan2(&mpy,&mpx,&mpz,p);
- __dbl_mp(ud[i].d,&mpt1,p); __mul(&mpz,&mpt1,&mperr,p);
- __add(&mpz,&mperr,&mpz1,p); __sub(&mpz,&mperr,&mpz2,p);
- __mp_dbl(&mpz1,&z1,p); __mp_dbl(&mpz2,&z2,p);
- if (z1==z2) return z1;
- }
- return z1; /*if unpossible to do exact computing */
+ double z1, z2;
+ int i, p;
+ mp_no mpx, mpy, mpz, mpz1, mpz2, mperr, mpt1;
+ for (i = 0; i < MM; i++)
+ {
+ p = pr[i];
+ __dbl_mp (x, &mpx, p);
+ __dbl_mp (y, &mpy, p);
+ __mpatan2 (&mpy, &mpx, &mpz, p);
+ __dbl_mp (ud[i].d, &mpt1, p);
+ __mul (&mpz, &mpt1, &mperr, p);
+ __add (&mpz, &mperr, &mpz1, p);
+ __sub (&mpz, &mperr, &mpz2, p);
+ __mp_dbl (&mpz1, &z1, p);
+ __mp_dbl (&mpz2, &z2, p);
+ if (z1 == z2)
+ return z1;
+ }
+ return z1; /*if impossible to do exact computing */
}
Modified: fsf/trunk/libc/sysdeps/ieee754/ldbl-128ibm/e_logl.c
==============================================================================
--- fsf/trunk/libc/sysdeps/ieee754/ldbl-128ibm/e_logl.c (original)
+++ fsf/trunk/libc/sysdeps/ieee754/ldbl-128ibm/e_logl.c Fri Mar 29 00:02:05 2013
@@ -182,6 +182,9 @@
ln2a = 6.93145751953125e-1L,
ln2b = 1.4286068203094172321214581765680755001344E-6L;
+static const long double
+ ldbl_epsilon = 0x1p-106L;
+
long double
__ieee754_logl(long double x)
{
@@ -258,7 +261,12 @@
}
/* Series expansion of log(1+z). */
w = z * z;
- y = ((((((((((((l15 * z
+ /* Avoid spurious underflows. */
+ if (__glibc_unlikely(w <= ldbl_epsilon))
+ y = 0.0L;
+ else
+ {
+ y = ((((((((((((l15 * z
+ l14) * z
+ l13) * z
+ l12) * z
@@ -271,7 +279,8 @@
+ l5) * z
+ l4) * z
+ l3) * z * w;
- y -= 0.5 * w;
+ y -= 0.5 * w;
+ }
y += e * ln2b; /* Base 2 exponent offset times ln(2). */
y += z;
y += logtbl[k-26]; /* log(t) - (t-1) */
Modified: fsf/trunk/libc/sysdeps/mach/hurd/i386/init-first.c
==============================================================================
--- fsf/trunk/libc/sysdeps/mach/hurd/i386/init-first.c (original)
+++ fsf/trunk/libc/sysdeps/mach/hurd/i386/init-first.c Fri Mar 29 00:02:05 2013
@@ -106,10 +106,6 @@
char **argv = &arg0;
char **envp = &argv[argc + 1];
struct hurd_startup_data *d;
-#ifndef SHARED
- extern ElfW(Phdr) *_dl_phdr;
- extern size_t _dl_phnum;
-#endif
while (*envp)
++envp;
@@ -121,14 +117,20 @@
if ((void *) d == argv[0])
{
#ifndef SHARED
- /* We may need to see our own phdrs, e.g. for TLS setup.
- Try the usual kludge to find the headers without help from
- the exec server. */
- extern const void _start;
- const ElfW(Ehdr) *const ehdr = &_start;
- _dl_phdr = (ElfW(Phdr) *) ((const void *) ehdr + ehdr->e_phoff);
- _dl_phnum = ehdr->e_phnum;
- assert (ehdr->e_phentsize == sizeof (ElfW(Phdr)));
+ /* With a new enough linker (binutils-2.23 or better),
+ the magic __ehdr_start symbol will be available and
+ __libc_start_main will have done this that way already. */
+ if (_dl_phdr == NULL)
+ {
+ /* We may need to see our own phdrs, e.g. for TLS setup.
+ Try the usual kludge to find the headers without help from
+ the exec server. */
+ extern const void _start;
+ const ElfW(Ehdr) *const ehdr = &_start;
+ _dl_phdr = (const void *) ehdr + ehdr->e_phoff;
+ _dl_phnum = ehdr->e_phnum;
+ assert (ehdr->e_phentsize == sizeof (ElfW(Phdr)));
+ }
#endif
return;
}
Modified: fsf/trunk/libc/sysdeps/posix/libc_fatal.c
==============================================================================
--- fsf/trunk/libc/sysdeps/posix/libc_fatal.c (original)
+++ fsf/trunk/libc/sysdeps/posix/libc_fatal.c Fri Mar 29 00:02:05 2013
@@ -29,7 +29,6 @@
#include <sysdep.h>
#include <unistd.h>
#include <sys/mman.h>
-#include <sys/syslog.h>
#include <sys/uio.h>
#include <not-cancel.h>
@@ -68,11 +67,9 @@
__libc_message (int do_abort, const char *fmt, ...)
{
va_list ap;
- va_list ap_copy;
int fd = -1;
va_start (ap, fmt);
- va_copy (ap_copy, ap);
#ifdef FATAL_PREPARE
FATAL_PREPARE;
@@ -170,12 +167,6 @@
va_end (ap);
- /* If we had no success writing the message, use syslog. */
- if (! written)
- vsyslog (LOG_ERR, fmt, ap_copy);
-
- va_end (ap_copy);
-
if (do_abort)
{
BEFORE_ABORT (do_abort, written, fd);
Modified: fsf/trunk/libc/sysdeps/powerpc/fpu/libm-test-ulps
==============================================================================
--- fsf/trunk/libc/sysdeps/powerpc/fpu/libm-test-ulps (original)
+++ fsf/trunk/libc/sysdeps/powerpc/fpu/libm-test-ulps Fri Mar 29 00:02:05 2013
@@ -243,9 +243,11 @@
Test "Real part of: cacos (-0.5 + +0 i) == 2.094395102393195492308428922186335256131 - 0 i":
double: 1
idouble: 1
+ldouble: 1
Test "Real part of: cacos (-0.5 - 0 i) == 2.094395102393195492308428922186335256131 + +0 i":
double: 1
idouble: 1
+ldouble: 1
Test "Imaginary part of: cacos (-1.5 + +0 i) == pi - 0.9624236501192068949955178268487368462704 i":
double: 1
float: 1
@@ -265,6 +267,10 @@
float: 1
idouble: 1
ifloat: 1
+Test "Imaginary part of: cacos (0x1.fp1023 + 0x1.fp1023 i) == 7.853981633974483096156608458198757210493e-1 - 7.107906849659093345062145442726115449315e2 i":
+ldouble: 1
+Test "Imaginary part of: cacos (0x1.fp127 + 0x1.fp127 i) == 7.853981633974483096156608458198757210493e-1 - 8.973081118419833726837456344608533993585e1 i":
+ldouble: 1
# cacosh
Test "Real part of: cacosh (+0 + 0.5 i) == 0.4812118250596034474977589134243684231352 + pi/2 i":
Modified: fsf/trunk/libc/sysdeps/powerpc/powerpc32/start.S
==============================================================================
--- fsf/trunk/libc/sysdeps/powerpc/powerpc32/start.S (original)
+++ fsf/trunk/libc/sysdeps/powerpc/powerpc32/start.S Fri Mar 29 00:02:05 2013
@@ -34,6 +34,13 @@
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
+
+/* We do not want .eh_frame info for crt1.o since crt1.o is linked
+ before crtbegin.o, the file defining __EH_FRAME_BEGIN__. */
+#undef cfi_startproc
+#define cfi_startproc
+#undef cfi_endproc
+#define cfi_endproc
/* These are the various addresses we require. */
#ifdef PIC
Modified: fsf/trunk/libc/sysdeps/powerpc/powerpc64/start.S
==============================================================================
--- fsf/trunk/libc/sysdeps/powerpc/powerpc64/start.S (original)
+++ fsf/trunk/libc/sysdeps/powerpc/powerpc64/start.S Fri Mar 29 00:02:05 2013
@@ -34,6 +34,13 @@
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
+
+/* We do not want .eh_frame info for crt1.o since crt1.o is linked
+ before crtbegin.o, the file defining __EH_FRAME_BEGIN__. */
+#undef cfi_startproc
+#define cfi_startproc
+#undef cfi_endproc
+#define cfi_endproc
/* These are the various addresses we require. */
#ifdef PIC
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