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authorUlrich Drepper <drepper@redhat.com>1997-12-14 22:24:57 +0000
committerUlrich Drepper <drepper@redhat.com>1997-12-14 22:24:57 +0000
commitbd355af04fc1df69d4ebb6733be170b9baf0dfb5 (patch)
tree7c003a29de4031db7de6ddd8e86c43bd746891a0 /sysdeps/libm-ieee754
parentafe93c0bb33ca7f45b9b60c30067e7b84827e900 (diff)
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1997-12-14 21:33 Ulrich Drepper <drepper@cygnus.com> * version.h (VERSION): Bump to 2.0.91. * db2/makedb.c (process_input): Fix typo in message. * sunrpc/rpcinfo.c (pmapdump): Unify messages. * elf/dynamic-link.h: Pretty print. * elf/rtld.c: Allow multiple preloading of a shared object. * include/limits.h: Prevent multiple inclusion. * malloc/Makefile (headers): Add mcheck.h. (distribute): Remove it here. * malloc/mcheck.h: Pretty print. * malloc/mtrace.c (mallenv): Make `const'. * malloc/mtrace.pl: Don't print table head for memory leaks if there are none. * manual/memory.texi: Update descriptor of malloc hooks. * posix/Makefile (routines): Add waitid. * posix/sys/types.h [__USE_SVID || __USE_POSIX]: Define id_t based on __id_t. * posix/sys/wait.h: Define idtype_t type. Add prototype for waitid. * signal/signal.h: Move definition of sigval_t to <bits/siginfo.h>. * sysdeps/generic/waitid.c: Stub for waitid. * sysdeps/generic/bits/siginfo.h: Define sigval_t. Arrange to work the __need_siginfo_t defined. * sysdeps/unix/sysv/linux/bits/siginfo: Likewise. * sysdeps/generic/bits/types.h: Define __id_t. Correct definition of __FDMASK. * sysdeps/unix/sysv/linux/alpha/bits/types.h: Likewise. * sysdeps/unix/sysv/linux/bits/types.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/bits/types.h: Likewise. * sysdeps/posix/waitid.c: New file. Provided by Zack Weinberg. * rt/aio_misc.c: Rename __aio_free_req to __aio_free_request. * sysdeps/alpha/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): Add missing parameters. * sysdeps/generic/dl-sysdep.c: Don't call __libc_init_secure. * sysdeps/generic/enbl-secure.c: Don't define __libc_uid. * sysdeps/unix/sysv/linux/init-first.c: Define __libc_uid. * sysdeps/unix/sysv/linux/sigqueue.c: Make sure __libc_uid is initialized. * sysdeps/i386/dl-machine.h: Little cleanup. * sysdeps/i386/fpu/bits/mathinline.h: Use __signbit* inline functions. (__finite): Mark function as const. Add inline code for __ieee754_atan2. * sysdeps/libm-ieee754/s_cacoshf.c: Add alternate implementation (but don't use it now). * sysdeps/libm-ieee754/s_catan.c: Use __ieee754_atan2 instead of __atan. * sysdeps/libm-ieee754/s_catanf.c: Likewise. * sysdeps/libm-ieee754/s_catanl.c: Likewise. * sysdeps/libm-ieee754/s_catanh.c: Likewise. Correct sign of real part. * sysdeps/libm-ieee754/s_catanhf.c: Likewise. * sysdeps/libm-ieee754/s_catanhl.c: Likewise. * sysdeps/libm-ieee754/s_clog10.c: Use factor to correct __ieee754_atan2 to base 10. * sysdeps/libm-ieee754/s_clog10f.c: Likewise. * sysdeps/libm-ieee754/s_clog10l.c: Likewise. * sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h: Define as old_kernel_sigaction. * sysdeps/unix/sysv/linux/net/if_slip.h: Pretty print. * wctype/Makefile (routines): Add wctype_l. * wctype/wctype.h: Add declaration of __wctype_l. * wctype/wctype_l.c: New file. 1997-12-10 00:38 Ulrich Drepper <drepper@cygnus.com> * locale/C-ctype.c: Correct data for isw* functions. * locale/programs/ld-ctype.c: Write 32bit char classes in correct byte order. * wctype/test_wctype.c: Add test for isw* functions. * wctype/wctype.c: Return value with expected byte order. * sysdeps/generic/_G_config.h: Define _G_HAVE_IO_FILE_OPEN. * sysdeps/unix/sysv/linux/_G_config.h: Likewise.
Diffstat (limited to 'sysdeps/libm-ieee754')
-rw-r--r--sysdeps/libm-ieee754/s_cacoshf.c15
-rw-r--r--sysdeps/libm-ieee754/s_catan.c2
-rw-r--r--sysdeps/libm-ieee754/s_catanf.c2
-rw-r--r--sysdeps/libm-ieee754/s_catanh.c8
-rw-r--r--sysdeps/libm-ieee754/s_catanhf.c8
-rw-r--r--sysdeps/libm-ieee754/s_catanhl.c8
-rw-r--r--sysdeps/libm-ieee754/s_catanl.c2
-rw-r--r--sysdeps/libm-ieee754/s_clog10.c2
-rw-r--r--sysdeps/libm-ieee754/s_clog10f.c2
-rw-r--r--sysdeps/libm-ieee754/s_clog10l.c4
10 files changed, 34 insertions, 19 deletions
diff --git a/sysdeps/libm-ieee754/s_cacoshf.c b/sysdeps/libm-ieee754/s_cacoshf.c
index bcfebea123..6aa33e5a48 100644
--- a/sysdeps/libm-ieee754/s_cacoshf.c
+++ b/sysdeps/libm-ieee754/s_cacoshf.c
@@ -21,6 +21,7 @@
#include <complex.h>
#include <math.h>
+#include "math_private.h"
__complex__ float
__cacoshf (__complex__ float x)
@@ -66,6 +67,7 @@ __cacoshf (__complex__ float x)
}
else
{
+#if 1
__complex__ float y;
__real__ y = (__real__ x - __imag__ x) * (__real__ x + __imag__ x) - 1.0;
@@ -77,6 +79,19 @@ __cacoshf (__complex__ float x)
__imag__ y += __imag__ x;
res = __clogf (y);
+#else
+ float re2 = __real__ x * __real__ x;
+ float im2 = __imag__ x * __imag__ x;
+ float sq = re2 - im2 - 1.0;
+ float ro = __ieee754_sqrtf (sq * sq + 4 * re2 * im2);
+ float a = __ieee754_sqrtf ((sq + ro) / 2.0);
+ float b = __ieee754_sqrtf ((-sq + ro) / 2.0);
+
+ __real__ res = 0.5 * __ieee754_logf (re2 + __real__ x * 2 * a
+ + im2 + __imag__ x * 2 * b
+ + ro);
+ __imag__ res = __ieee754_atan2f (__imag__ x + b, __real__ x + a);
+#endif
}
return res;
diff --git a/sysdeps/libm-ieee754/s_catan.c b/sysdeps/libm-ieee754/s_catan.c
index bab87e95a8..a3fc9ad3e8 100644
--- a/sysdeps/libm-ieee754/s_catan.c
+++ b/sysdeps/libm-ieee754/s_catan.c
@@ -69,7 +69,7 @@ __catan (__complex__ double x)
den = 1 - r2 - __imag__ x * __imag__ x;
- __real__ res = 0.5 * __atan ((2.0 * __real__ x) / den);
+ __real__ res = 0.5 * __ieee754_atan2 (2.0 * __real__ x, den);
num = __imag__ x + 1.0;
num = r2 + num * num;
diff --git a/sysdeps/libm-ieee754/s_catanf.c b/sysdeps/libm-ieee754/s_catanf.c
index 92bdac9ec8..18881cd6c9 100644
--- a/sysdeps/libm-ieee754/s_catanf.c
+++ b/sysdeps/libm-ieee754/s_catanf.c
@@ -69,7 +69,7 @@ __catanf (__complex__ float x)
den = 1 - r2 - __imag__ x * __imag__ x;
- __real__ res = 0.5 * __atanf ((2.0 * __real__ x) / den);
+ __real__ res = 0.5 * __ieee754_atan2f (2.0 * __real__ x, den);
num = __imag__ x + 1.0;
num = r2 + num * num;
diff --git a/sysdeps/libm-ieee754/s_catanh.c b/sysdeps/libm-ieee754/s_catanh.c
index 6c4b10e3db..0cb852a069 100644
--- a/sysdeps/libm-ieee754/s_catanh.c
+++ b/sysdeps/libm-ieee754/s_catanh.c
@@ -62,17 +62,17 @@ __catanh (__complex__ double x)
i2 = __imag__ x * __imag__ x;
- num = 1.0 - __real__ x;
+ num = 1.0 + __real__ x;
num = i2 + num * num;
- den = 1.0 + __real__ x;
+ den = 1.0 - __real__ x;
den = i2 + den * den;
- __real__ res = 0.25 * __ieee754_log (num / den);
+ __real__ res = 0.25 * (__ieee754_log (num) - __ieee754_log (den));
den = 1 - __real__ x * __real__ x - i2;
- __imag__ res = 0.5 * __atan ((2.0 * __imag__ x) / den);
+ __imag__ res = 0.5 * __ieee754_atan2 (2.0 * __imag__ x, den);
}
return res;
diff --git a/sysdeps/libm-ieee754/s_catanhf.c b/sysdeps/libm-ieee754/s_catanhf.c
index 5d195be905..ac0ed17edb 100644
--- a/sysdeps/libm-ieee754/s_catanhf.c
+++ b/sysdeps/libm-ieee754/s_catanhf.c
@@ -62,17 +62,17 @@ __catanhf (__complex__ float x)
i2 = __imag__ x * __imag__ x;
- num = 1.0 - __real__ x;
+ num = 1.0 + __real__ x;
num = i2 + num * num;
- den = 1.0 + __real__ x;
+ den = 1.0 - __real__ x;
den = i2 + den * den;
- __real__ res = 0.25 * __ieee754_logf (num / den);
+ __real__ res = 0.25 * (__ieee754_logf (num) - __ieee754_logf (den));
den = 1 - __real__ x * __real__ x - i2;
- __imag__ res = 0.5 * __atanf ((2.0 * __imag__ x) / den);
+ __imag__ res = 0.5 * __ieee754_atan2f (2.0 * __imag__ x, den);
}
return res;
diff --git a/sysdeps/libm-ieee754/s_catanhl.c b/sysdeps/libm-ieee754/s_catanhl.c
index d8396a7961..693799639a 100644
--- a/sysdeps/libm-ieee754/s_catanhl.c
+++ b/sysdeps/libm-ieee754/s_catanhl.c
@@ -62,17 +62,17 @@ __catanhl (__complex__ long double x)
i2 = __imag__ x * __imag__ x;
- num = 1.0 - __real__ x;
+ num = 1.0 + __real__ x;
num = i2 + num * num;
- den = 1.0 + __real__ x;
+ den = 1.0 - __real__ x;
den = i2 + den * den;
- __real__ res = 0.25 * __ieee754_logl (num / den);
+ __real__ res = 0.25 * (__ieee754_logl (num) - __ieee754_logl (den));
den = 1 - __real__ x * __real__ x - i2;
- __imag__ res = 0.5 * __atanl ((2.0 * __imag__ x) / den);
+ __imag__ res = 0.5 * __ieee754_atan2l (2.0 * __imag__ x, den);
}
return res;
diff --git a/sysdeps/libm-ieee754/s_catanl.c b/sysdeps/libm-ieee754/s_catanl.c
index 2fd8a4fa08..1da7c6c008 100644
--- a/sysdeps/libm-ieee754/s_catanl.c
+++ b/sysdeps/libm-ieee754/s_catanl.c
@@ -69,7 +69,7 @@ __catanl (__complex__ long double x)
den = 1 - r2 - __imag__ x * __imag__ x;
- __real__ res = 0.5 * __atanl ((2.0 * __real__ x) / den);
+ __real__ res = 0.5 * __ieee754_atan2l (2.0 * __real__ x, den);
num = __imag__ x + 1.0;
num = r2 + num * num;
diff --git a/sysdeps/libm-ieee754/s_clog10.c b/sysdeps/libm-ieee754/s_clog10.c
index 5a9de75733..7b2e474b8f 100644
--- a/sysdeps/libm-ieee754/s_clog10.c
+++ b/sysdeps/libm-ieee754/s_clog10.c
@@ -44,7 +44,7 @@ __clog10 (__complex__ double x)
/* Neither real nor imaginary part is NaN. */
__real__ result = __ieee754_log10 (__ieee754_hypot (__real__ x,
__imag__ x));
- __imag__ result = __ieee754_atan2 (__imag__ x, __real__ x);
+ __imag__ result = M_LOG10E * __ieee754_atan2 (__imag__ x, __real__ x);
}
else
{
diff --git a/sysdeps/libm-ieee754/s_clog10f.c b/sysdeps/libm-ieee754/s_clog10f.c
index 4e2fa83edf..bc4094b8ba 100644
--- a/sysdeps/libm-ieee754/s_clog10f.c
+++ b/sysdeps/libm-ieee754/s_clog10f.c
@@ -44,7 +44,7 @@ __clog10f (__complex__ float x)
/* Neither real nor imaginary part is NaN. */
__real__ result = __ieee754_log10f (__ieee754_hypotf (__real__ x,
__imag__ x));
- __imag__ result = __ieee754_atan2f (__imag__ x, __real__ x);
+ __imag__ result = M_LOG10E * __ieee754_atan2f (__imag__ x, __real__ x);
}
else
{
diff --git a/sysdeps/libm-ieee754/s_clog10l.c b/sysdeps/libm-ieee754/s_clog10l.c
index bf7d394c42..70940f6863 100644
--- a/sysdeps/libm-ieee754/s_clog10l.c
+++ b/sysdeps/libm-ieee754/s_clog10l.c
@@ -1,4 +1,4 @@
-/* Compute complex natural logarithm.
+/* Compute complex base 10 logarithm.
Copyright (C) 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -44,7 +44,7 @@ __clog10l (__complex__ long double x)
/* Neither real nor imaginary part is NaN. */
__real__ result = __ieee754_log10l (__ieee754_hypotl (__real__ x,
__imag__ x));
- __imag__ result = __ieee754_atan2l (__imag__ x, __real__ x);
+ __imag__ result = M_LOG10E * __ieee754_atan2l (__imag__ x, __real__ x);
}
else
{