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8b43a0c9f2
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499 Commits

Author SHA1 Message Date
Thomas Schwinge
8b43a0c9f2 [BZ #15335, #15342] Fix standard compliance. Don't use hard-coded qNaN values. 2013-04-05 22:27:29 +02:00
Thomas Schwinge
d91da4ce87 Remove unreachable code. 
The case of y == 0 is handled at the beginning of the function.
 2013-04-05 21:30:28 +02:00
Thomas Schwinge
bf0f50dfc6 Remove unused hard-coded qNaN definition. 2013-04-05 21:28:03 +02:00
Siddhesh Poyarekar
c871eccd1e Remove TWO 
Minor cleanup to remove the macro TWO and use the value directly
instead.
 2013-04-03 15:47:01 +05:30
Siddhesh Poyarekar
e7906a4789 Use mantissa_t in mpexp 2013-04-02 17:53:09 +05:30
Thomas Schwinge
572676160d New <math.h> macro named issignaling to check for a signaling NaN (sNaN). 
It is based on draft TS 18661 and currently enabled as a GNU extension.
 2013-04-02 13:51:02 +02:00
Siddhesh Poyarekar
c2d94018c6 Remove ONE and MONE 2013-03-29 16:40:36 +05:30
Siddhesh Poyarekar
27ec37f185 Format s_tan.c 2013-03-29 16:38:27 +05:30
Siddhesh Poyarekar
a64d7e0efb Remove ZERO and MZERO macros 2013-03-29 16:37:26 +05:30
Siddhesh Poyarekar
d26dd3eb00 Format s_atan.c 2013-03-29 16:34:28 +05:30
Siddhesh Poyarekar
0f6a8d4b0b Format e_log.c 2013-03-29 16:34:00 +05:30
Adhemerval Zanella
fbbe2b9a1f Fix e_logl (128ibm) spurious underflow 2013-03-28 09:52:48 -03:00
Siddhesh Poyarekar
1728ab378e Format and clean up s_atan2.c 2013-03-28 10:56:06 +05:30
Siddhesh Poyarekar
5739f705ee Use integral constants 
The compiler is smart enough to convert those into double for powerpc,
but if we put them as doubles, it adds overhead by performing those
operations in floating point mode.
 2013-03-26 20:24:04 +05:30
Siddhesh Poyarekar
e375e83d17 Removed commented code 2013-03-26 20:14:18 +05:30
Siddhesh Poyarekar
6f2e90e78f Make mantissa type of mp_no configurable 
The mantissa of mp_no is intended to take only integral values.  This
is a relatively good choice for powerpc due to its 4 fpus, but not for
other architectures, which suffer due to this choice.  This change
makes the default mantissa a long integer and allows powerpc to
override it.  Additionally, some operations have been optimized for
integer manipulation, resulting in a significant improvement in
performance.
 2013-03-26 19:28:50 +05:30
Adhemerval Zanella
e42a38dd9d BZ#13889: expl (709.75) wrongly overflows for ldbl-128ibm 
The patch increase the high value to check if expl overflows. Current
high mark value is not really correct, the algorithm accepts high values.
It also adds a correct wrapper function to check for overflow and underflow.
 2013-03-22 12:39:10 -03:00
Joseph Myers
98c48fe5cc Fix Bessel function spurious overflows for ldbl-128 / ldbl-128ibm (bug 15285). 2013-03-21 13:57:21 +00:00
Siddhesh Poyarekar
b33d4ce4a2 Replace 8388608.0 with HALFRAD in mp code 
Minor cleanup
 2013-03-21 13:07:44 +05:30
Joseph Myers
d2f9799e7c Fix y1l spurious overflows for ldbl-96 (bug 15283). 2013-03-16 17:51:48 +00:00
Joseph Myers
2a185d32e8 Fix spurious underflow exceptions for Bessel functions for ldbl-128 / ldbl-128ibm (bug 14155). 2013-03-16 17:50:28 +00:00
Thomas Schwinge
67e971f18f Better distinguish between NaN/qNaN/sNaN. 2013-03-15 19:06:02 +01:00
Siddhesh Poyarekar
1e3803454e Revert configurable mantissa patch 
Reverts d22ca8cdfb

since it is severely broken on 32-bit.
 2013-03-15 23:18:51 +05:30
Siddhesh Poyarekar
d22ca8cdfb Make mantissa type configurable 
This allows the default mantissa to be integral, with powerpc
overriding it to take advantage of its FPUs.
 2013-03-15 10:44:03 +05:30
Joseph Myers
41c7328e85 Fix spurious underflow exceptions for Bessel functions for double (bug 14155). 2013-03-14 17:47:30 +00:00
Adhemerval Zanella
edf66e57fc PowerPC: unify math_ldbl.h implementations 
This patch removes redudant definition from PowerPC specific
math_ldbl, using the definitions from ieee754 math_ldbl.h.
 2013-03-08 11:07:15 -03:00
Siddhesh Poyarekar
ce544b5bda Merge powerpc slowexp.c into generic code 2013-03-07 13:25:02 +05:30
Siddhesh Poyarekar
4cc149fd8e Merge powerpc slowpow.c into generic code 2013-03-07 13:23:07 +05:30
Siddhesh Poyarekar
82a9811d29 Use generic mpa.c code for everything except __mul and __sqr 2013-03-07 12:23:29 +05:30
Adhemerval Zanella
e0b780ad5b BZ #15055: Use __ieee754_sqrl in acoshl for lbdl-128ibm 2013-03-04 11:37:51 -03:00
Siddhesh Poyarekar
09c14ed23e Format mpsqrt.c 2013-02-27 11:28:20 +05:30
Siddhesh Poyarekar
a688864eed Format mpatan2.c 2013-02-27 11:27:41 +05:30
Siddhesh Poyarekar
6295157a77 Format mpatan.c 2013-02-27 11:26:22 +05:30
Siddhesh Poyarekar
b8de22026d Format mptan.c 2013-02-27 11:25:39 +05:30
Siddhesh Poyarekar
11d6e2f237 Format mplog.c 2013-02-27 11:24:45 +05:30
Siddhesh Poyarekar
45f058844c Another tweak to the multiplication algorithm 
Reduce the formula to calculate mantissa so that we reduce the net
number of multiplications performed.
 2013-02-26 21:28:16 +05:30
Siddhesh Poyarekar
2236d3595a Don't duplicate mpone and mptwo 2013-02-26 15:15:27 +05:30
Siddhesh Poyarekar
2a983a2e0a Remove commented declarations 2013-02-25 18:11:14 +05:30
Siddhesh Poyarekar
e69804d14e Use long wherever possible in mpa.c 
Using long throughout like powerpc does is beneficial since it reduces
the need to switch to 32-bit instructions.  It gives a very minor
performance improvement.
 2013-02-25 16:43:03 +05:30
Siddhesh Poyarekar
2f22a1e8dd Format slowexp.c 2013-02-25 16:13:35 +05:30
Siddhesh Poyarekar
8930ddc705 Reformat slowpow.c 2013-02-25 16:08:38 +05:30
Siddhesh Poyarekar
dc60cb110b Remove commented code 2013-02-25 14:51:57 +05:30
Siddhesh Poyarekar
bab8a695ee Fix whitespace differences between generic and powerpc mpa.c 2013-02-21 14:31:42 +05:30
Thomas Schwinge
50022a93fc Respect the user's namespace in installed header files. 
Fixup for commit c7b275d6b3.
 2013-02-20 18:51:56 +01:00
Thomas Schwinge
c7b275d6b3 bits/nan.h: Change __attribute_used__ to __attribute__ ((unused)). 2013-02-20 16:49:58 +01:00
Siddhesh Poyarekar
20cd7fb3ae Copy comment about inner loop from powerpc mpa.c to the default one 2013-02-20 18:56:20 +05:30
Siddhesh Poyarekar
22af19f9fb Don't require LIM to determine loop end in __sqr 2013-02-16 00:15:57 +05:30
Siddhesh Poyarekar
4709fe7602 Use intermediate variable to compute exponent in __mul 2013-02-16 00:09:29 +05:30
Siddhesh Poyarekar
2d0e0f29f8 Fix determination of lower precision in __mul 2013-02-15 23:56:20 +05:30
Siddhesh Poyarekar
f414520d3c Use __sqr instead of __mul wherever possible 2013-02-14 11:39:14 +05:30