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math: fix abs (-0.0)

pull/3099/head
Kaito Sugimoto 2019-12-16 01:37:17 +09:00 committed by Alexander Medvednikov
parent faa04c586f
commit 9dd86a2de6
1 changed files with 2 additions and 4 deletions
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6
vlib/math/math.v
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@ -18,6 +18,7 @@ fn C.erf(x f64) f64
fn C.erfc(x f64) f64 fn C.erfc(x f64) f64
fn C.exp(x f64) f64 fn C.exp(x f64) f64
fn C.exp2(x f64) f64 fn C.exp2(x f64) f64
fn C.fabs(x f64) f64
fn C.floor(x f64) f64 fn C.floor(x f64) f64
fn C.fmod(x f64, y f64) f64 fn C.fmod(x f64, y f64) f64
fn C.hypot(x f64, y f64) f64 fn C.hypot(x f64, y f64) f64
@ -42,10 +43,7 @@ fn C.trunc(x f64) f64
// Returns the absolute value. // Returns the absolute value.
pub fn abs(a f64) f64 { pub fn abs(a f64) f64 {
if a < 0 { return C.fabs(a)
return -a
}
return a
} }
// acos calculates inverse cosine (arccosine). // acos calculates inverse cosine (arccosine).