Status: New
Owner: ----
New issue 3006 by [email protected]: Inaccurate sin/cos values
http://code.google.com/p/v8/issues/detail?id=3006
In Mac Chrome 33.0.1706.0 canary, Math.cos(Math.pow(2,120)) returns
0.47796506772457525. In Chromium ToT from today, after a V8 roll with the
new sin/cos implementation using table lookup and interpolation, this now
returns 0.
The true value evaluated to full precision is closer to -0.925879.
This also causes a test regression in webaudio that uses sin. This is
highly unexpected that the new implementation causes a sine wave saved to a
16-bit wav file to produce different values. (See
https://code.google.com/p/chromium/issues/detail?id=318632)
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