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Frac doc comparison warning

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radrow 2020-02-27 16:05:02 +01:00
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docs/sophia_stdlib.md
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@ -1635,9 +1635,15 @@ The described below functions take care of normalization of the fractions –
they won't grow if it is unnecessary. Please note that the size of `frac` can be still
very big while the value is actually very close to a natural number – the division of
two extremely big prime numbers *will* be as big as both of them. To face this issue
the [optimize](#optimize) function is provided. It will approximate the value of the
the [optimize](#optimize** function is provided. It will approximate the value of the
fraction to fit in the given error margin and to shrink its size as much as possible.
**Important note:** `frac` must *not* be compared using standard `<`-like operators.
The operator comparison is not possible to overload at this moment, nor the
language provides checkers to prevent unintended usage of them. Therefore the typechecker
**will** allow that and the results of such comparison will be unspecified.
You should use [lt](#lt), [geq](#geq), [eq](#eq) etc instead.
### make_frac
`Frac.make_frac(n : int, d : int) : frac`