| ??? 01/19/06 14:12 Read: times |
#107798 - Sine etc look up tables Responding to: ???'s previous message |
Jan Waclawek said:
I came across this one.
Not '51, but might give ideas. http://www.audiomulch.com/~rossb/code/sinusoids/ Which is just what I suggested several posts ago. The beauty is (apart from speed and small code size) that you only need one table covering sin from 0 to 90 degrees. The other quadrants are just the same or the negeative of this table. Cos A is simply Sin(90-A) and tan is just sin/cos. All from a 128 point table. Ian |
| Topic | Author | Date |
| tangent function | 01/01/70 00:00 | |
| Tangent function | 01/01/70 00:00 | |
| here | 01/01/70 00:00 | |
| tangent function | 01/01/70 00:00 | |
| Ah, but | 01/01/70 00:00 | |
| and why cannot you | 01/01/70 00:00 | |
| or use SDCC | 01/01/70 00:00 | |
| Yes but.. | 01/01/70 00:00 | |
| CORDIC | 01/01/70 00:00 | |
| Possibly useful.... | 01/01/70 00:00 | |
| Yeah, but | 01/01/70 00:00 | |
| tangent function | 01/01/70 00:00 | |
| Requirements | 01/01/70 00:00 | |
| tangent function | 01/01/70 00:00 | |
| Position | 01/01/70 00:00 | |
| tangent function | 01/01/70 00:00 | |
| example of an answer | 01/01/70 00:00 | |
| Do you understand this? | 01/01/70 00:00 | |
| More Questions | 01/01/70 00:00 | |
| sin/cos approximations | 01/01/70 00:00 | |
| Sine etc look up tables | 01/01/70 00:00 | |
| options | 01/01/70 00:00 | |
Nasty function | 01/01/70 00:00 |