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Author SHA1 Message Date
bors[bot] 2f122d12fa
Merge #207 
207: atan r=jordens a=matthuszagh

Adds 2-argument arctangent function. Parameters and result are `i32` integers for fast computation. Only the 16 MSBs of the inputs are used (16 LSBs are discarded). The x and y inputs can range from -1 to 1, which corresponds to `i32::MIN` and `i32::MAX`, respectively. The output ranges from -pi to pi, which corresponds to `i32::MIN` and `i32::MAX`, respectively.

- [godbolt](https://rust.godbolt.org/z/nahKrT)

# Related
- #206

Co-authored-by: Matt Huszagh <huszaghmatt@gmail.com>
 2020-12-17 22:28:55 +00:00
Matt Huszagh 7e794373f4 atan2: fix output range description 2020-12-17 14:21:39 -08:00
Matt Huszagh 3125365a15 add atan2 host benchmark 2020-12-17 14:01:57 -08:00
Matt Huszagh 17cf71f22b atan2: replace min, max with x, y 2020-12-17 11:39:32 -08:00
Matt Huszagh 9c5e68ceea atan2: test min and max angle inputs 2020-12-17 11:34:39 -08:00
Matt Huszagh 6ffc42021e move atan2 test before cossin test to mimic function order 2020-12-17 10:09:12 -08:00
Matt Huszagh 09a744f59c dsp: move iir generic math functions to top-level module scope 2020-12-17 10:04:48 -08:00
Matt Huszagh 56641d5838 atan2: specify why we cannot use more than 15 bits for the atan argument 2020-12-17 10:02:35 -08:00
Matt Huszagh 1f28949bc5 atan2: store sign bits and greater of |x| and |y| 2020-12-17 09:47:39 -08:00
Matt Huszagh cb38c3e3bd atan2: clarify sharing bits between atan argument and constant factors 2020-12-17 09:31:38 -08:00
Matt Huszagh 5717991ada atan2: result range is from i32::MIN+1 to i32::MAX 2020-12-17 09:31:18 -08:00
Matt Huszagh d7111a3aa8 dsp/trig: let compiler infer type parameter in atan2 abs call 2020-12-17 08:04:53 -08:00
Matt Huszagh d9d500743f simplify atan initial angle expression 2020-12-17 08:02:54 -08:00
Matt Huszagh 2ddaab8fae dsp: fix bench import path 2020-12-16 16:57:18 -08:00
Matt Huszagh 85ae70fe62 rename trig tests to delineate between cossin and atan2 2020-12-16 16:28:49 -08:00
Matt Huszagh 7c4f608206 move cossin and atan2 into the same trig file 2020-12-16 16:26:44 -08:00
Matt Huszagh e257545321 fix formatting 2020-12-16 16:14:11 -08:00
Matt Huszagh 5d055b01a0 dsp: add atan2 2020-12-16 16:02:42 -08:00
Matt Huszagh 6d651da758 dsp: add f64 isclose testing function 2020-12-16 16:02:17 -08:00
Matt Huszagh 17f9f0750e dsp: move abs to lib.rs 2020-12-16 16:01:50 -08:00
Matt Huszagh e89db65722 rename trig.rs -> cossin.rs 2020-12-16 15:57:47 -08:00
bors[bot] a71f790574
Merge #205 
205: pll: refine gains r=jordens a=jordens

this decouples frequency and phase gain

Co-authored-by: Robert Jördens <rj@quartiq.de>
 2020-12-15 11:19:34 +00:00
Robert Jördens 469c89ea70 pll: refine gains 2020-12-14 09:58:27 +01:00
bors[bot] 1425608647
Merge #202 
202: Fix/rj misc r=jordens a=jordens



Co-authored-by: Robert Jördens <rj@quartiq.de>
 2020-12-13 12:26:14 +00:00
Robert Jördens 75c4120258 cossin: buffer test data output 2020-12-13 13:24:28 +01:00
Robert Jördens 4fc1f4397e gha: upload only relevant 2020-12-13 13:24:28 +01:00
Sebastien Bourdeauducq 107a4ac96f update cargosha256 2020-12-12 16:33:37 +08:00
bors[bot] 9a0e47c7eb
Merge #201 
201: cossin bench: be fair to glibc r=jordens a=jordens



Co-authored-by: Robert Jördens <rj@quartiq.de>
 2020-12-11 18:21:31 +00:00
Robert Jördens d271dccaba cossin bench: be fair to glibc 2020-12-11 19:08:11 +01:00
bors[bot] e3ab2b2db5
Merge #200 
200: dsp: add host benchmark r=jordens a=jordens



Co-authored-by: Robert Jördens <rj@quartiq.de>
 2020-12-11 17:35:30 +00:00
Robert Jördens f8b121600e gha: add rust to artifact name 2020-12-11 18:34:42 +01:00
Robert Jördens 193b8e2228 gha: upload-artifacts@v2 2020-12-11 18:22:16 +01:00
Robert Jördens 3b7d90fb45 gha: artifact tweak 2020-12-11 18:07:15 +01:00
Robert Jördens 028ff3847d upload artifacts 2020-12-11 17:36:10 +01:00
Robert Jördens a70110d8cc gha: fix artifact 2020-12-11 17:27:02 +01:00
Robert Jördens d4fceea5d1 cossin: bench against (i32 as f32).sin_cos() 2020-12-11 17:26:50 +01:00
Robert Jördens 5cd93d3318 fmt 2020-12-11 17:08:16 +01:00
Robert Jördens a709ab171e gha: fix bors 2020-12-11 17:06:07 +01:00
Robert Jördens 4fbd729cb4 gha: fix toolchain components 2020-12-11 17:04:34 +01:00
Robert Jördens a85738a651 dsp: add host benchmark 2020-12-11 15:19:13 +01:00
Robert Jördens a53da3dc84
Merge pull request #199 from quartiq/feature/cossin-tuneup 
Feature/cossin tuneup
 2020-12-10 18:38:11 +01:00
Robert Jördens f6ca79a992
Merge pull request #198 from quartiq/dependabot/cargo/paste-1.0.4 
build(deps): bump paste from 1.0.3 to 1.0.4
 2020-12-10 18:05:03 +01:00
Robert Jördens de304c503b cargo: go back to target-cpu=cortex-m4 
Appears to give better code.
Test by matthusagh.
 2020-12-10 17:53:45 +01:00
Robert Jördens 72b7e72040 gitignore: no need to ignore table, is in OUT_DIR now 2020-12-10 17:49:46 +01:00
Robert Jördens b9751ae1d0 dsp/build.rs: add cargo tag 2020-12-10 17:17:59 +01:00
Robert Jördens 7fa4b76e4d cossin_table: fix build script usage 2020-12-10 17:17:09 +01:00
Robert Jördens 18ea94298b Merge remote-tracking branch 'origin/master' into trig 
* origin/master:
  Updating after review
  Fixing semantics
  Adding documentation
  Fixing buffer size
  Adding updated QSPI stream writer
  Increasing batch size
  Adding updates for QSPI streaming
  Adding WIP refactor
  Updating DDS control
  Removing pounder test, adding file
  Removing unused code
  Refactoring DDS output control
  Updating QSPI frequency
  Adding support for hardware IO_update
  Fixing merge issues
  Adding WIP
  Adding WIP HRTimer
  Adding WIP experimental code
  Adding WIP QSPI streaming
 2020-12-10 17:02:19 +01:00
Robert Jördens e592273218
Merge pull request #197 from matthuszagh/trig 
add cossin LUT
 2020-12-10 17:02:03 +01:00
Robert Jördens 77cb0bbad0 cossin: refactor and tweak 
* shrink the LUT by another bit
* correctly use the octant bit to offset the dphi to LUT entry midpoint
* add more diagnistics to the unittest and rewrite it in relative units
* MSB-align phase and output to match the PLL data, dynamic range and
  remove the need for roudning bias.
* clean up the build.rs table generator a bit
 2020-12-10 16:56:13 +01:00
dependabot[bot] afef1b0c26
build(deps): bump paste from 1.0.3 to 1.0.4 
Bumps [paste](https://github.com/dtolnay/paste) from 1.0.3 to 1.0.4.
- [Release notes](https://github.com/dtolnay/paste/releases)
- [Commits](https://github.com/dtolnay/paste/compare/1.0.3...1.0.4)

Signed-off-by: dependabot[bot] <support@github.com>
 2020-12-10 04:04:37 +00:00