Displaying 7 results from an estimated 7 matches for "trancendental".
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transcendental
2016 Apr 04
9
RFC: Constant folding math functions for long double
...I can see three methods for allowing constant folding for types that are
larger than double, some more expensive than others:
1. Introduce a dependency on libMPFR, as GCC does. The dependency could
be hard or soft, with a fallback to the current behaviour if it doesn't
exist.
2. Write the trancendental functions ourselves in APFloat (yuck!)
3. If the long double format on the compiler host is the same as the
target, use the host library.
(2) is the hardest. (3) is the easiest, but only works in a subset of cases
and I really don't like the idea of better output when compiling on one
platfo...
2016 Apr 04
2
RFC: Constant folding math functions for long double
...g for types that are
>> larger than double, some more expensive than others:
>>
>> 1. Introduce a dependency on libMPFR, as GCC does. The dependency could
>> be hard or soft, with a fallback to the current behaviour if it doesn't
>> exist.
>> 2. Write the trancendental functions ourselves in APFloat (yuck!)
>> 3. If the long double format on the compiler host is the same as the
>> target, use the host library.
>>
>> (2) is the hardest. (3) is the easiest, but only works in a subset of
>> cases and I really don't like the idea o...
2016 Apr 04
3
RFC: Constant folding math functions for long double
...;>> larger than double, some more expensive than others:
>>>
>>> 1. Introduce a dependency on libMPFR, as GCC does. The dependency
>>> could be hard or soft, with a fallback to the current behaviour if it
>>> doesn't exist.
>>> 2. Write the trancendental functions ourselves in APFloat (yuck!)
>>> 3. If the long double format on the compiler host is the same as the
>>> target, use the host library.
>>>
>>> (2) is the hardest. (3) is the easiest, but only works in a subset of
>>> cases and I really don...
2005 Apr 13
2
(no subject)
I'm not understand "lookup.c" in the "lib". Can you explain it in detail for me?
2016 Apr 04
2
RFC: Constant folding math functions for long double
...allowing constant folding for types that are
> larger than double, some more expensive than others:
>
> 1. Introduce a dependency on libMPFR, as GCC does. The dependency could
> be hard or soft, with a fallback to the current behaviour if it doesn't
> exist.
> 2. Write the trancendental functions ourselves in APFloat (yuck!)
> 3. If the long double format on the compiler host is the same as the
> target, use the host library.
>
> (2) is the hardest. (3) is the easiest, but only works in a subset of
> cases and I really don't like the idea of better output when...
2004 Aug 06
1
libspeex/SSE Intrinsics with GCC 3.3.x
On Fri, Apr 02, 2004 at 12:33:13AM -0500, Jean-Marc Valin wrote:
> Do you have any sample code for that? Also, how do you tell autoconf to
> append '-msse' without running into problems when CFLAGS is not set (and
> usually defaults to -g -O2, but not always).
Example patch attached. It only tries if the use passes --enable-sse;
testing by target arch as Aron suggested is
2018 Jul 30
3
[RFC][SVE] Supporting SIMD instruction sets with variable vector lengths
On Mon, 30 Jul 2018 at 20:57, David A. Greene via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
> I'm not sure exactly how the SVE proposal would address this kind of
> operation.
SVE uses predication. The physical number of lanes doesn't have to
change to have the same effect (alignment, tails).
> I think it would be unlikely for anyone to need to change the vector
>