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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/si.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/si.spad.pamphlet')
| -rw-r--r-- | src/algebra/si.spad.pamphlet | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/algebra/si.spad.pamphlet b/src/algebra/si.spad.pamphlet index bc77952c..888a40f3 100644 --- a/src/algebra/si.spad.pamphlet +++ b/src/algebra/si.spad.pamphlet @@ -110,7 +110,7 @@ IntegerNumberSystem(): Category == -- iterates in order 0,1,-1,2,-2,3,-3,... nextItem n == zero? n => just 1 - n > 0 => just(-n) + positive? n => just(-n) just(1-n) patternMatch(x, p, l) == @@ -126,7 +126,7 @@ IntegerNumberSystem(): Category == r := x rem n r = 0 => r if negative? n then n:=-n - r > 0 => + positive? r => 2 * r > n => r - n r 2*r + n <= 0 => r + n |