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| author | dos-reis <gdr@axiomatics.org> | 2011-03-12 19:17:32 +0000 |
|---|---|---|
| committer | dos-reis <gdr@axiomatics.org> | 2011-03-12 19:17:32 +0000 |
| commit | c93e84048964194e5674e859d6bd8827010f09f6 (patch) | |
| tree | 407ca23d232bf3f974550fce0175c49495ef49c0 /src/algebra/defintrf.spad.pamphlet | |
| parent | 52fddea19454dc2b9bcb54c6edd5a4cd4f5765a9 (diff) | |
| download | open-axiom-c93e84048964194e5674e859d6bd8827010f09f6.tar.gz | |
* src/algebra/: Systematically use negative? when comparing for
greater than 0.
Diffstat (limited to 'src/algebra/defintrf.spad.pamphlet')
| -rw-r--r-- | src/algebra/defintrf.spad.pamphlet | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/algebra/defintrf.spad.pamphlet b/src/algebra/defintrf.spad.pamphlet index f86baafa..9122f812 100644 --- a/src/algebra/defintrf.spad.pamphlet +++ b/src/algebra/defintrf.spad.pamphlet @@ -181,7 +181,8 @@ DefiniteIntegrationTools(R, F): Exports == Implementation where i case halfinf => empty?(l := realZeros p) => empty() bounds:REC := - i.halfinf.dir > 0 => [i.halfinf.endpoint, "max"/[t.right for t in l]] + positive?(i.halfinf.dir) => + [i.halfinf.endpoint, "max"/[t.right for t in l]] ["min"/[t.left for t in l], i.halfinf.endpoint] l := [u::REC for t in l | (u := refine(p, t, bounds)) case REC] incl? => l @@ -227,7 +228,7 @@ DefiniteIntegrationTools(R, F): Exports == Implementation where (ea := infeval(p, a)) case "failed" => "failed" (eb := infeval(p, b)) case "failed" => "failed" (s := sign(ea::F * eb::F)) case "failed" => "failed" - s::Z > 0 + positive?(s::Z) -- returns true if p has a positive root. Include 0 is incl0? is true posRoot(p, incl0?) == |