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This should fix issue #1015. I have reimplemented
str_to_float
to extend the grammar that it can parse. Including, say, strings with a decimal part :)I take the opportunity to replace the implementation of
int::pow
to use fast exponentiation, to add a few functions to the newfloat
module, as well as a few tests. I also renamedstr_to_float
andfloat_to_str
intofloat::from_str
andfloat::to_str
, to harmonize with theint
module.