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| author | dos-reis <gdr@axiomatics.org> | 2011-03-12 17:04:43 +0000 |
|---|---|---|
| committer | dos-reis <gdr@axiomatics.org> | 2011-03-12 17:04:43 +0000 |
| commit | 52fddea19454dc2b9bcb54c6edd5a4cd4f5765a9 (patch) | |
| tree | 4b13ccc6d57c7c1ee615c83615b246c98eae388a /src/algebra/intpm.spad.pamphlet | |
| parent | 42d38bee45a64edfc12641053e58581c20584363 (diff) | |
| download | open-axiom-52fddea19454dc2b9bcb54c6edd5a4cd4f5765a9.tar.gz | |
* src/algebra/: Systematically use negative? when comparing for
less than 0.
Diffstat (limited to 'src/algebra/intpm.spad.pamphlet')
| -rw-r--r-- | src/algebra/intpm.spad.pamphlet | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/algebra/intpm.spad.pamphlet b/src/algebra/intpm.spad.pamphlet index de9c8b35..9d47548f 100644 --- a/src/algebra/intpm.spad.pamphlet +++ b/src/algebra/intpm.spad.pamphlet @@ -154,7 +154,7 @@ PatternMatchIntegration(R, F): Exports == Implementation where da := differentiate(a := l.pma, x) d := a * (cc := l.pmc) / da zero? differentiate(d, x) => [EI, a, d] - comp? or (((u := sign a) case Z) and (u::Z) < 0) => + comp? or (((u := sign a) case Z) and negative?(u::Z)) => d := cc * (sa := insqrt(- a)) / da zero? differentiate(d, x) => [ERF, sa, - d * spi] [NONE, 0, 0] @@ -283,7 +283,7 @@ PatternMatchIntegration(R, F): Exports == Implementation where empty?(l := match1(f, x, t, cc)) => "failed" mw := first l zero?(ms := third l) or ((sgs := sign ms) case "failed")=> "failed" - ((sgz := sign(z := (mw + 1) / ms)) case "failed") or (sgz::Z < 0) + ((sgz := sign(z := (mw + 1) / ms)) case "failed") or negative?(sgz::Z) => "failed" mmi := retract(mm := second l)@Z sgs * (last l) * ms**(- mmi - 1) * |