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refactor: built-in sign

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This commit is contained in:
Justin Lin
2022-03-25 10:39:52 +08:00
parent cadbdc826d
commit d2f961494b
1 changed files with 2 additions and 7 deletions
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9
src/polyhedra/superellipsoid.scad
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@@ -12,18 +12,13 @@ use <../__comm__/__frags.scad>;
use <../sweep.scad>; use <../sweep.scad>;
module superellipsoid(e, n) { module superellipsoid(e, n) {
function _sgn(x) =
x < 0 ? -1 :
x == 0 ? 0 :
1; // x > 0
function _c(w, m) = function _c(w, m) =
let(cosw = cos(w)) let(cosw = cos(w))
_sgn(cosw) * pow(abs(cosw), m); sign(cosw) * pow(abs(cosw), m);
function _s(w, m) = function _s(w, m) =
let(sinw = sin(w)) let(sinw = sin(w))
_sgn(sinw) * pow(abs(sinw), m); sign(sinw) * pow(abs(sinw), m);
a = 1; a = 1;
b = 1; b = 1;