From 52fddea19454dc2b9bcb54c6edd5a4cd4f5765a9 Mon Sep 17 00:00:00 2001 From: dos-reis Date: Sat, 12 Mar 2011 17:04:43 +0000 Subject: * src/algebra/: Systematically use negative? when comparing for less than 0. --- src/algebra/defintef.spad.pamphlet | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/algebra/defintef.spad.pamphlet') diff --git a/src/algebra/defintef.spad.pamphlet b/src/algebra/defintef.spad.pamphlet index c7091f29..0253ac93 100644 --- a/src/algebra/defintef.spad.pamphlet +++ b/src/algebra/defintef.spad.pamphlet @@ -189,11 +189,11 @@ ElementaryFunctionDefiniteIntegration(R, F): Exports == Implementation where z := (r := retractIfCan(a)@Union(F, "failed")) case "failed" => sign(f, x, a) sign(f, x, r::F, "right") - (b1 := z case Z) and z::Z < 0 => true + (b1 := z case Z) and negative?(z::Z) => true z := (r := retractIfCan(b)@Union(F, "failed")) case "failed" => sign(f, x, b) sign(f, x, r::F, "left") - (b2 := z case Z) and z::Z < 0 => true + (b2 := z case Z) and negative?(z::Z) => true b1 and b2 => ((w := checkFor0(numer f, k, a, b)) case "failed") or (w::B) => "failed" false -- cgit v1.2.3