bdeket

Bring bitmap% get-argb-pixels type in line with documentation/implementation

1

Sending real values for x and y to bitmap get-argb-pixels exits with an error (for example) ``` (send H get-argb-pixels 1. 1. 2 2 (make-bytes 100)) ptr-ref: contract violation expected:...

Using: `Welcome to DrRacket, version 8.3.0.8--2021-11-19(c7a8d7f/a) [3m]` When hovering over the code, wrong type information is displayed. Minimal example:  mouse position shown with arrow. The type-tooltip information is the...

function arity of type-annotation not checked against definition

1

### What version of Racket are you using? `Welcome to DrRacket, version 7.9.0.5 [3m].` ### What program did you run? ``` #lang typed/racket/base (: test1 (->* [Integer] [Integer Integer] Integer))...

Complex special functions

13

Algorithms for calculating gamma, log-gamma and digamma in the complex field

Hi, I was surprised by how the cover-omit/include-paths work. I was hoping that `cover-include-paths` would be the the winner if some file is both in `omit` and `include`, but if...

improving tan of complex arguments

16

To implement other math functions I need a better tan for complex arguments. I can define one locally but that seems a pity. a start for this better tan function...

Prevent underflow in the calculation of complex-`tan` and complex-`tanh` Although this improves the results in the affected regions, both have still inaccuracies up to 8ulp (real+imag) closes #3324 continuing discussion...