diff options
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 |