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Add acos, asin, and atan foreign functions

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I copied the tests from the docs pages
This commit is contained in:
Aaron Hill 2019-11-21 17:33:30 -05:00
parent 35e92d9420
commit a328683c4a
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GPG Key ID: B4087E510E98B164
2 changed files with 17 additions and 2 deletions
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10
src/shims/foreign_items.rs
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@ -496,7 +496,7 @@ fn emulate_foreign_item(
}
// math functions
"cbrtf" | "coshf" | "sinhf" | "tanf" => {
"cbrtf" | "coshf" | "sinhf" | "tanf" | "acosf" | "asinf" | "atanf" => {
// FIXME: Using host floats.
let f = f32::from_bits(this.read_scalar(args[0])?.to_u32()?);
let f = match link_name {
@ -504,6 +504,9 @@ fn emulate_foreign_item(
"coshf" => f.cosh(),
"sinhf" => f.sinh(),
"tanf" => f.tan(),
"acosf" => f.acos(),
"asinf" => f.asin(),
"atanf" => f.atan(),
_ => bug!(),
};
this.write_scalar(Scalar::from_u32(f.to_bits()), dest)?;
@ -521,7 +524,7 @@ fn emulate_foreign_item(
this.write_scalar(Scalar::from_u32(n.to_bits()), dest)?;
}
"cbrt" | "cosh" | "sinh" | "tan" => {
"cbrt" | "cosh" | "sinh" | "tan" | "acos" | "asin" | "atan" => {
// FIXME: Using host floats.
let f = f64::from_bits(this.read_scalar(args[0])?.to_u64()?);
let f = match link_name {
@ -529,6 +532,9 @@ fn emulate_foreign_item(
"cosh" => f.cosh(),
"sinh" => f.sinh(),
"tan" => f.tan(),
"acos" => f.acos(),
"asin" => f.asin(),
"atan" => f.atan(),
_ => bug!(),
};
this.write_scalar(Scalar::from_u64(f.to_bits()), dest)?;

9
tests/run-pass/intrinsics-math.rs
View File

@ -92,6 +92,15 @@ pub fn main() {
assert_approx_eq!(1.0f32.tan(), 1.557408f32);
assert_approx_eq!(1.0f64.tan(), 1.557408f64);
assert_approx_eq!(f32::consts::FRAC_PI_4.cos().acos(), f32::consts::FRAC_PI_4);
assert_approx_eq!(f64::consts::FRAC_PI_4.cos().acos(), f64::consts::FRAC_PI_4);
assert_approx_eq!(f32::consts::FRAC_PI_4.sin().asin(), f32::consts::FRAC_PI_4);
assert_approx_eq!(f64::consts::FRAC_PI_4.sin().asin(), f64::consts::FRAC_PI_4);
assert_approx_eq!(1.0_f32, 1.0_f32.tan().atan());
assert_approx_eq!(1.0_f64, 1.0_f64.tan().atan());
assert_eq!(3.3_f32.round(), 3.0);
assert_eq!(3.3_f64.round(), 3.0);