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same.core
Main public API namespace.
Main public API namespace.
ish?clj/s
(ish? expected & actuals)Compare one or more values to an expected value, returning true if they are the same-ish. The values can be numbers:
(let [two (Math/pow (Math/sqrt 2) 2)]
[(== 2 two) (ish? 2 two)])
or data structures:
(ish? {:a 1 :b [1.99999999999999 3]}
{:a 1.00000000000001 :b [2 3.0]})
you can also compare more than one value to the expected value:
(ish? 1 1.0 0.99999999999999 1.00000000000001 1)
Compare one or more values to an expected value, returning true if they are the same-ish.
The values can be numbers:
```klipse
(let [two (Math/pow (Math/sqrt 2) 2)]
[(== 2 two) (ish? 2 two)])
```
or data structures:
```klipse
(ish? {:a 1 :b [1.99999999999999 3]}
{:a 1.00000000000001 :b [2 3.0]})
```
you can also compare more than one value to the expected value:
```klipse
(ish? 1 1.0 0.99999999999999 1.00000000000001 1)
```not-zeroish?clj/s
(not-zeroish? val & {:keys [scale] :or {scale 1000.0}})Compare a numeric value to zero, returning true if not close. Equivalent to (not (zeroish? ...)).
(not-zeroish? 3 :scale 1e6)
Compare a numeric value to zero, returning true if not close. Equivalent to `(not (zeroish? ...))`. ```klipse (not-zeroish? 3 :scale 1e6) ```
set-comparator!clj/s
(set-comparator! comparator)Set the default comparator.
(set-comparator! (compare-ulp 2.0 100))
(ish? 0.1 (-> 2 Math/sqrt (Math/pow 2) (- 1.9)))
Set the default comparator. ```klipse (set-comparator! (compare-ulp 2.0 100)) (ish? 0.1 (-> 2 Math/sqrt (Math/pow 2) (- 1.9))) ```
with-comparatorclj/smacro
(with-comparator comparator & body)Temporarily replace the default comparator.
(with-comparator (compare-ulp 100.0 1e9)
(ish? 1.0 0.9999999))
(with-comparator ==
(ish? 1.0 0.9999999999999))
Temporarily replace the default comparator. ```klipse (with-comparator (compare-ulp 100.0 1e9) (ish? 1.0 0.9999999)) ``` ```klipse (with-comparator == (ish? 1.0 0.9999999999999)) ```
zeroish?clj/s
(zeroish? val & {:keys [scale] :or {scale 1000.0}})Compare a numeric value to zero, returning true if close.
(zeroish? 0.0000000001
:scale 1e6)
Compare a numeric value to zero, returning true if close.
```klipse
(zeroish? 0.0000000001
:scale 1e6)
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