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Fix asin losing precision near x = 1

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apoorva-01
2026-07-10 00:17:54 +05:30
parent 1a6e845004
commit 02f1e51c3b
3 changed files with 10 additions and 2 deletions
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6
test/modules/asin.js
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@@ -69,6 +69,12 @@ T('asin', function () {
t('-0.5110799', 65, 2, '-0.53644070128325494453237503822033662227949443391067147724566337039');
t('-0.579334355419195148', 31, 3, '-0.617911801796609232511609252874');
// Arguments very close to 1. See https://github.com/MikeMcl/decimal.js/issues/249
t('0.9999999999999999995', 31, 1, '1.570796325794896619231321691598');
t('0.99999999999999999999995', 36, 6, '1.5707963267848966192313216916397514');
t('-0.9999999999999999999', 30, 4, '-1.57079632634768302373136375235');
t('0.99999999999999999999999999999', 45, 0, '1.57079632679489214709536669206035862375124724');
/*
t('0.63', 1, 5, '0.7');
t('-0.42', 4, 0, '-0.4335');