#9703: Doctest failures caused by non-working sympow on 32-bit Solaris x86 and
32-bit OpenSolaris
----------------------------+-----------------------------------------------
Reporter: drkirkby | Owner: GeorgSWeber
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.5.3
Component: build | Keywords:
Author: David Kirkby | Upstream: Reported upstream. Little or no
feedback.
Reviewer: | Merged:
Work_issues: |
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Comment(by jdemeyer):
Maybe the attached program might be useful. It runs a simple computation
to check whether or not the FPU is 53-bit or more. For example, on a
x86_64 Intel machine, I get:
{{{
gcc -mfpmath=387 testfpu.c -o testfpu && ./testfpu 134217728 134217728
a = 134217728, b = 134217728
result = 1
}}}
{{{
gcc -mfpmath=sse testfpu.c -o testfpu && ./testfpu 134217728 134217728
a = 134217728, b = 134217728
result = 0
}}}
{{{
gcc -mfpmath=387 -mpc64 testfpu.c -o testfpu && ./testfpu 134217728
134217728
a = 134217728, b = 134217728
result = 0
}}}
You could use to check
* whether or not the patch needs to be applied
* whether the result is correct after possibly applying the patch (do
this on all systems!)
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9703#comment:15>
Sage <http://www.sagemath.org>
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