sanketh 0689bd0869 Bug 531915 - part 6 - optionally use fdlibm's sin, cos, and tan in jsmath r=tjr,arai
Adds a new preference javascript.options.use_fdlibm_for_sin_cos_tan (default
false) and uses fdlibm for Math.sin, Math.cos, and Math.tan conditioned on it.

Differential Revision: https://phabricator.services.mozilla.com/D119426
2021-08-13 11:57:07 +00:00
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