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diff --git a/src/content/chapter0_basics/lesson05_floats/en.html b/src/content/chapter0_basics/lesson05_floats/en.html new file mode 100644 index 0000000..7175628 --- /dev/null +++ b/src/content/chapter0_basics/lesson05_floats/en.html @@ -0,0 +1,32 @@ +<p>Gleam's <code>Float</code> type represents numbers that are not integers.</p> +<p> + Gleam's numerical operators are not overloaded, so there are dedicated + operators for working with floats. +</p> +<p> + Floats are represented as 64 bit floating point numbers on both the Erlang and + JavaScript runtimes. The floating point behaviour is native to their + respective runtimes, so their exact behaviour will be slightly different + on the two runtimes. +</p> +<p> + Under the JavaScript runtime, exceeding the maximum (or minimum) representable + value for a floating point value will result in <code>Infinity</code> (or + <code>-Infinity</code>). Should you try to divide two infinities you will + get <code>NaN</code> as a result. +</p> +<p> + When running on the BEAM any overflow will raise an error. So there is + no <code>NaN</code> or <code>Infinity</code> float value in the Erlang + runtime. +</p> +<p> + Division by zero will not overflow, but is instead defined to be zero. +</p> +<p> + The + <a href="https://hexdocs.pm/gleam_stdlib/gleam/float.html" + ><code>gleam/float</code></a + > + standard library module contains functions for working with floats. +</p> |