 Joris van Rantwijk
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2dbc6d44db
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* Reduce width of sin/cos input to multiplier by 1 bit.
* This has no significant effect on accuracy, but reduces multiplier width.
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2016-04-14 00:05:52 +02:00 |
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Joris van Rantwijk
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9f4bb7f9b0
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* Increase precision of delta_phase term by 1 bit.
* This improves accuracy of 1st order Taylor variant to less than 1.0 lsb peak deviation.
* Add comments.
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2016-04-13 23:32:02 +02:00 |
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Joris van Rantwijk
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12b896c2df
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Fix mistake in Taylor correction.
This improves accuracy, but there is probably room for further improvement by avoiding accumulation of rounding errors.
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2016-04-11 23:21:25 +02:00 |
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Joris van Rantwijk
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7de76c6696
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Reduce amplitude to avoid numeric overflow.
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2016-04-11 21:28:17 +02:00 |
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Joris van Rantwijk
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59ec0505ab
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Main VHDL file of sin/cos function core.
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2016-03-24 23:32:59 +01:00 |