Comments (3)
With a slight modification to div-derive
to handle cases where a
and/or b
are numbers, it does!
(defn div-derive [a b]
(b// (if (number? a)
1
(b/with-num a 1))
(if (number? b)
1
(b/with-num b 1))))
Thank you very much!
from broch.
Hmm, I think you can get a version of your safe-divide
for broch quantities using b/with-num
to get the right unit for the given division (with 1/1 so it's a safe division) and then set the number to either ##Inf or ##-Inf.
(defn div-derive [a b]
(b// (b/with-num a 1) (b/with-num b 1)))
(defn safe-divide-b [a b]
(if (zero? (b/num b))
(let [inf (if (neg? (b/num a)) ##-Inf ##Inf)]
(b/with-num (div-derive a b) inf))
(b// a b)))
(comment
(safe-divide-b (b/meters 1) (b/seconds 0)) ; => #broch/quantity[##Inf "m/s"]
(safe-divide-b (b/meters -1) (b/seconds 0)) ; => #broch/quantity[##-Inf "m/s"]
)
from broch.
Does this cover your use-case?
from broch.
Related Issues (13)
- Encoding / decoding HOT 5
- CLJS and decimals HOT 3
- Syntax error (ClassNotFoundException) compiling at (broch/numbers.cljc:170:4). cljs.compiler HOT 2
- Units symbol not registered in CLJS HOT 4
- Implementation of SQRT HOT 2
- Converts to ratio
- UOMs with differing zero points HOT 1
- UOM conversion that requires a lookup HOT 1
- Fix cljdoc HOT 1
- Converting of nil quantity is undefined
- Clojure-LSP doesn't seem to find `broch.core/meters` HOT 3
- Thoughts on the future of currently unsupported units? HOT 6
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from broch.