Added an example that shows how the remainder function on floating point values is computed internally.
Added an example that shows how the remainder function on floating point values is computed internally.

aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust