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fix: division by zero

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This commit is contained in:
Felix Roos 2023-06-11 13:15:52 +02:00
parent d4c59cc73b
commit 9b3122837e
1 changed files with 6 additions and 0 deletions
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6
packages/core/pattern.mjs
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@ -1677,6 +1677,9 @@ export const ply = register('ply', function (factor, pat) {
* s("<bd sd> hh").fast(2) // s("[<bd sd> hh]*2")
*/
export const { fast, density } = register(['fast', 'density'], function (factor, pat) {
if (factor === 0) {
return silence;
}
factor = Fraction(factor);
const fastQuery = pat.withQueryTime((t) => t.mul(factor));
return fastQuery.withHapTime((t) => t.div(factor));
@ -1703,6 +1706,9 @@ export const hurry = register('hurry', function (r, pat) {
* s("<bd sd> hh").slow(2) // s("[<bd sd> hh]/2")
*/
export const { slow, sparsity } = register(['slow', 'sparsity'], function (factor, pat) {
if (factor === 0) {
return silence;
}
return pat._fast(Fraction(1).div(factor));
});