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Minor changes in triangulate code and docs,

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RonaldoCMP
2021-10-13 21:20:42 -03:00
parent 1b84a3129d
commit f22d24ee15
3 changed files with 82 additions and 105 deletions
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math.scad
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@@ -689,17 +689,12 @@ function _sum(v,_total,_i=0) = _i>=len(v) ? _total : _sum(v,_total+v[_i], _i+1);
// cumsum([[1,2,3], [3,4,5], [5,6,7]]); // returns [[1,2,3], [4,6,8], [9,12,15]]
function cumsum(v) =
assert(is_consistent(v), "The input is not consistent." )
_cumsum(v,_i=0,_acc=[]);
len(v)<=1 ? v :
_cumsum(v,_i=1,_acc=[v[0]]);
function _cumsum(v,_i=0,_acc=[]) =
_i==len(v) ? _acc :
_cumsum(
v, _i+1,
concat(
_acc,
[_i==0 ? v[_i] : last(_acc) + v[_i]]
)
);
_i>=len(v) ? _acc :
_cumsum( v, _i+1, [ each _acc, _acc[len(_acc)-1] + v[_i] ] );
// Function: sum_of_sines()