kai/pounder_test
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

atan2: fix output range description

Browse Source
This commit is contained in:
Matt Huszagh 2020-12-17 14:21:39 -08:00
parent 3125365a15
commit 7e794373f4
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
dsp/src/trig.rs
View File

@ -18,9 +18,9 @@ include!(concat!(env!("OUT_DIR"), "/cossin_table.rs"));
/// # Returns /// # Returns
/// ///
/// The angle between the x-axis and the ray to the point (x,y). The /// The angle between the x-axis and the ray to the point (x,y). The
/// result range is from i32::MIN+1 to i32::MAX, where i32::MIN+1 /// result range is from i32::MIN to i32::MAX, where i32::MIN
/// corresponds to an angle of -pi and i32::MAX corresponds to an /// represents -pi and, equivalently, +pi. i32::MAX represents one
/// angle of +pi. /// count less than +pi.
pub fn atan2(y: i32, x: i32) -> i32 { pub fn atan2(y: i32, x: i32) -> i32 {
let mut y = y >> 16; let mut y = y >> 16;
let mut x = x >> 16; let mut x = x >> 16;