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Thanks for working on LispPad, I'm really enjoying using it. > Polar complex number literals are actually not part of R7RS I actually thought they were part o
by s20n 6mo ago
Thanks for working on LispPad, I'm really enjoying using it.
> Polar complex number literals are actually not part of R7RS
I actually thought they were part of the spec. Specifically, I am referring to the last paragraph from section 6.2.5 of R7RS small <https://small.r7rs.org/attachment/r7rs.pdf https://small.r7rs.org/attachment/r7rs.pdf>
This is the excerpt from the pdf:
6.2.5. Syntax of numerical constants
...
There are two notations provided for non-real complex
numbers: the rectangular notation a+bi, where a is the
real part and b is the imaginary part; and the polar no-
tation r@θ, where r is the magnitude and θ is the phase
(angle) in radians. These are related by the equation
a + bi = r cos θ + (r sin θ)i. All of a, b, r , and θ are real
numbers.
- objecthub 6mo agoThanks for the reference! I must have overlooked this when implementing the scanner. Will definitely be added. Thanks for letting me know.