> Le 3 avr. 2019 à 11:51, Benjamin Morel <benjamin.mo...@gmail.com> a écrit : > > Hi internals, > > I just used PHP_FLOAT_MIN for the first time, and was surprised that it is > the smallest **positive** number representable. Is this expected? > > This is unlike PHP_INT_MIN, which is the absolute smallest representable > integer, and as such is negative: > > echo PHP_INT_MIN; // -9223372036854775808 > echo PHP_FLOAT_MIN; // 2.2250738585072E-308 > > If it is intended, maybe the doc > <https://www.php.net/manual/en/reserved.constants.php> should be clear > about this, at the moment it is just: > > Smallest representable floating point number. > > > Which is confusing IMO. > > Cheers, > Ben
And in order to avoid further confusion, the constant ought to be renamed PHP_FLOAT_MIN_POSITIVE. Rust named it correctly: https://doc.rust-lang.org/std/f64/constant.MIN_POSITIVE.html <https://doc.rust-lang.org/std/f64/constant.MIN_POSITIVE.html> —Claude
