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Added dflt= arg to sum(), defaulting to 0.

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Revar Desmera
2020-02-08 21:54:39 -08:00
parent a78973187a
commit 019961aef7
3 changed files with 9 additions and 4 deletions
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3
tests/test_math.scad
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@@ -293,6 +293,8 @@ test_atanh();
module test_sum() {
assert(sum([]) == 0);
assert(sum([],dflt=undef) == undef);
assert(sum([1,2,3]) == 6);
assert(sum([-2,-1,0,1,2]) == 0);
assert(sum([[1,2,3], [3,4,5], [5,6,7]]) == [9,12,15]);
@@ -301,6 +303,7 @@ test_sum();
module test_cumsum() {
assert(cumsum([]) == []);
assert(cumsum([1,1,1]) == [1,2,3]);
assert(cumsum([2,2,2]) == [2,4,6]);
assert(cumsum([1,2,3]) == [1,3,6]);