a/ziglings
1
0
Fork 0
mirror of https://codeberg.org/andyscott/ziglings.git synced 2024-11-08 11:20:46 -05:00
Code Issues Projects Releases Packages Wiki Activity

Clarify f16 maths - closes #204

Browse source
This commit is contained in:
Arya-Elfren 2023-04-26 22:07:20 +01:00 committed by GitHub
parent f83fe12dce
commit 116546a996
1 changed files with 6 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
exercises/060_floats.zig
View file

@ -1,7 +1,8 @@
//
// Zig has support for IEEE-754 floating-point numbers in these
// specific sizes: f16, f32, f64, f80, and f128. Floating point
// literals may be written in scientific notation:
// literals may be written in the same ways as integers but also
// in scientific notation:
//
// const a1: f32 = 1200.0; // 1,200
// const a2: f32 = 1.2e+3; // 1,200
@ -26,7 +27,10 @@
// operations with numeric literals, ensure the types match. Zig
// does not perform unsafe type coercions behind your back:
//
// var foo: f16 = 13.5 * 5; // ERROR!
// fn foo(bar: u16) f16 { return 13.5 * bar; } // ERROR!
// var foo: f16 = 13.5 * @as(u8, 5); // ERROR!
// var foo: f16 = 13.5 * 5; // This is a safe compile-time
// // conversion, so no problem!
// var foo: f16 = 13.5 * 5.0; // No problem, both are floats
//
// Please fix the two float problems with this program and