Opened 9 years ago
Closed 9 years ago
#13033 closed defect (fixed)
Conversion PARI -> RR fails for large exponents
Reported by: | jdemeyer | Owned by: | was |
---|---|---|---|
Priority: | major | Milestone: | sage-5.1 |
Component: | interfaces | Keywords: | sd40.5 PARI MPFR exponent |
Cc: | zimmerma, benjaminfjones, was | Merged in: | sage-5.1.beta2 |
Authors: | Jeroen Demeyer | Reviewers: | William Stein |
Report Upstream: | N/A | Work issues: | |
Branch: | Commit: | ||
Dependencies: | Stopgaps: |
Description (last modified by )
sage: a = pari(10^6).erfc() sage: a 3.15934761259943 E-434294481910 sage: a.debug() [&=0000000000f84d10] REAL(lg=3):0400000000000003 (+,expo=-1442695040910):5ffffeb018acb072 9b56c6d11005bdc3 sage: RR(a) 5.64243263573681e124617551
The exponent changed from -434294481910
to 124617551
.
Attachments (1)
Change History (11)
comment:1 Changed 9 years ago by
comment:2 Changed 9 years ago by
- Cc zimmerma added
- Description modified (diff)
comment:3 Changed 9 years ago by
- Cc benjaminfjones added
comment:4 Changed 9 years ago by
jdmeyer figured this out -- the issue was "int" versus "long"... a patch will be forthcoming.
comment:5 Changed 9 years ago by
- Keywords PARI MPFR exponent added
comment:6 Changed 9 years ago by
- Cc was added
- Status changed from new to needs_review
Passes all long doctests on x86_64, passes all longs tests in sage/rings
on ppc32.
comment:7 Changed 9 years ago by
- Status changed from needs_review to positive_review
This looks really good to me! I've run some tests in some places (sage.math and OS X). I've not tested on 32-bit. I really like how the functions are tested.
Changed 9 years ago by
comment:8 Changed 9 years ago by
Fixed exception formatting (no capital, no dot).
comment:9 Changed 9 years ago by
- Reviewers set to William Stein
comment:10 Changed 9 years ago by
- Merged in set to sage-5.1.beta2
- Resolution set to fixed
- Status changed from positive_review to closed
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Note that
so in your example above, RR(a) should be 0.