| Commit message (Collapse) | Author | Age | Files | Lines |
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Remove /^\.\\"\n\.\\"\s*\$FreeBSD\$$\n/
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The change implements cexpl() for both ld80 and ld128 architectures.
Testing was done on x86_64 and aarch64 systems.
Along the way sincos[fl]() use an optimization that reduces the argument
to being done one rather than twice. This optimization actually pointed
to a bug in the ld128 version of sincosl(), which is now fixed. In
addition, the minmax polynomial coefficients for sincosl() have been
updated.
A concise log of the file-by-file changes follows.
* include/complex.h:
. Add a prototype for cexpl().
* lib/msun/Makefile:
. Add s_cexpl.c to the build.
. Setup a link for cexpl.3 to cexp.3.
* lib/msun/Symbol.map:
. Expose cexpl symbol in libm shared library.
* lib/msun/ld128/s_cexpl.c:
* Implementation of cexpl() for 128-bit long double architectures.
Tested on an aarch64 system.
* lib/msun/ld80/s_cexpl.c:
* Implementation of cexpl() for Intel 80-bit long double.
* lib/msun/man/cexp.3:
. Document cexpl().
* lib/msun/man/complex.3:
. Add a BUGS section about cpow[fl].
* lib/msun/src/s_cexp.c:
. Include float.h for weak references on 53-bit long double targets.
. Use sincos() to reduce argument reduction cost.
* lib/msun/src/s_cexpf.c:
. Use sincosf() to reduce argument reduction cost.
* lib/msun/src/k_sincosl.h:
. Catch up with the new minmax polynomial coefficients for the kernel for
the 128-bit cosl() implementation.
. BUG FIX: *cs was used where *sn should have been. This means that sinl()
was no computed correctly when iy != 0.
* lib/msun/src/s_cosl.c:
. Include fpmath.h to get access to IEEEl2bits.
. Replace M_PI_4 with pio4, a 64-bit or 113-bit approximation for pi / 4.
PR: 216862
MFC after: 1 week
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This corresponds to the latest status (hasn't changed in 9+
years) from openbsd of ld80/ld128 powl, and source cpowf, cpow,
cpowl (the complex power functions for float complex, double
complex, and long double complex) which are required for C99
compliance and were missing from FreeBSD. Also required for
some numerical codes using complex numbered Hamiltonians.
Thanks to jhb for tracking down the issue with making
weak_reference compile on powerpc.
When asked to review, bde said "I don't like it" - but
provided no actionable feedback or superior implementations.
Discussed with: jhb
Submitted by: jmd
Differential Revision: https://reviews.freebsd.org/D15919
Notes:
svn path=/head/; revision=336299
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PR: 228783
Reported by: Karsten <freebsd-bugzilla AT kkoenig.net>
Notes:
svn path=/head/; revision=334721
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PR: 216863
Submitted by: bde, Steven G. Kargl <sgk@troutmask.apl.washington.edu>
MFC after: 2 weeks
Notes:
svn path=/head/; revision=333577
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Notes:
svn path=/head/; revision=276293
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cacosh, casin, casinh, catan, and catanh. Thanks to stephen@ and bde@
for working on these.
Submitted by: stephen@
Reviewed by: bde
Notes:
svn path=/head/; revision=251121
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PR: 167734
Submitted by: Nobuyuki Koganemaru (kogane!jp.freebsd.org)
MFC after: 3 days
Notes:
svn path=/head/; revision=235286
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bde and kargl.
Notes:
svn path=/head/; revision=226458
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that I missed this.
Notes:
svn path=/head/; revision=219366
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complex arithmetic in libm.
Reviewed by: David Schultz <das@FreeBSD.org>
MFC after: 2 weeks
Notes:
svn path=/head/; revision=218877
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