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/si.spad.pamphlet | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/algebra/si.spad.pamphlet') diff --git a/src/algebra/si.spad.pamphlet b/src/algebra/si.spad.pamphlet index ad162629..bc77952c 100644 --- a/src/algebra/si.spad.pamphlet +++ b/src/algebra/si.spad.pamphlet @@ -90,7 +90,7 @@ IntegerNumberSystem(): Category == rational? x == true euclideanSize(x) == x=0 => error "euclideanSize called on zero" - x<0 => (-convert(x)@Integer)::NonNegativeInteger + negative? x => (-convert(x)@Integer)::NonNegativeInteger convert(x)@Integer::NonNegativeInteger convert(x:%):Float == (convert(x)@Integer)::Float convert(x:%):DoubleFloat == (convert(x)@Integer)::DoubleFloat @@ -125,7 +125,7 @@ IntegerNumberSystem(): Category == symmetricRemainder(x, n) == r := x rem n r = 0 => r - if n < 0 then n:=-n + if negative? n then n:=-n r > 0 => 2 * r > n => r - n r -- cgit v1.2.3