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Corrected modang() example.

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Revar Desmera 2023-07-30 22:45:15 -07:00
parent 3284950b3b
commit f3c70d3741
1 changed files with 6 additions and 6 deletions
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12
math.scad
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@ -602,12 +602,12 @@ function posmod(x,m) =
// Description:
// Takes an angle in degrees and normalizes it to an equivalent angle value between -180 and 180.
// Example:
// a1 = modang(-700,360); // Returns: 20
// a2 = modang(-270,360); // Returns: 90
// a3 = modang(-120,360); // Returns: -120
// a4 = modang(120,360); // Returns: 120
// a5 = modang(270,360); // Returns: -90
// a6 = modang(700,360); // Returns: -20
// a1 = modang(-700); // Returns: 20
// a2 = modang(-270); // Returns: 90
// a3 = modang(-120); // Returns: -120
// a4 = modang(120); // Returns: 120
// a5 = modang(270); // Returns: -90
// a6 = modang(700); // Returns: -20
function modang(x) =
assert( is_finite(x), "Input must be a finite number.")
let(xx = posmod(x,360)) xx<180? xx : xx-360;