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math: add powf and other float32 functions

pull/3852/head
Nicolas Sauzede 2020-02-26 13:31:54 +01:00 committed by GitHub
parent 7a72167eb7
commit 30f905999a
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1 changed files with 28 additions and 59 deletions
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vlib/math/math.v
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@ -4,97 +4,46 @@
module math
#include <math.h>
fn C.acos(x f64) f64
fn C.asin(x f64) f64
fn C.atan(x f64) f64
fn C.atan2(y f64, x f64) f64
fn C.cbrt(x f64) f64
fn C.ceil(x f64) f64
fn C.cos(x f64) f64
fn C.cosf(x f32) f32
fn C.cosh(x f64) f64
fn C.erf(x f64) f64
fn C.erfc(x f64) f64
fn C.exp(x f64) f64
fn C.exp2(x f64) f64
fn C.fabs(x f64) f64
fn C.floor(x f64) f64
fn C.fmod(x f64, y f64) f64
fn C.hypot(x f64, y f64) f64
fn C.log(x f64) f64
fn C.log2(x f64) f64
fn C.log10(x f64) f64
fn C.lgamma(x f64) f64
fn C.pow(x f64, y f64) f64
fn C.powf(x f32, y f32) f32
fn C.round(x f64) f64
fn C.sin(x f64) f64
fn C.sinf(x f32) f32
fn C.sinh(x f64) f64
fn C.sqrt(x f64) f64
fn C.sqrtf(x f32) f32
fn C.tgamma(x f64) f64
fn C.tan(x f64) f64
fn C.tanf(x f32) f32
fn C.tanh(x f64) f64
fn C.trunc(x f64) f64
// NOTE
// When adding a new function, please make sure it's in the right place.
// All functions are sorted alphabetically.
// Returns the absolute value.
pub fn abs(a f64) f64 {
return C.fabs(a)
@ -135,6 +84,11 @@ pub fn cos(a f64) f64 {
return C.cos(a)
}
// cosf calculates cosine. (float32)
pub fn cosf(a f32) f32 {
return C.cosf(a)
}
// cosh calculates hyperbolic cosine.
pub fn cosh(a f64) f64 {
return C.cosh(a)
@ -282,6 +236,11 @@ pub fn pow(a, b f64) f64 {
return C.pow(a, b)
}
// powf returns base raised to the provided power. (float32)
pub fn powf(a, b f32) f32 {
return C.powf(a, b)
}
// radians convert from radians to degrees.
pub fn radians(degrees f64) f64 {
return degrees * (pi / 180.0)
@ -297,6 +256,11 @@ pub fn sin(a f64) f64 {
return C.sin(a)
}
// sinf calculates sine. (float32)
pub fn sinf(a f32) f32 {
return C.sinf(a)
}
// sinh calculates hyperbolic sine.
pub fn sinh(a f64) f64 {
return C.sinh(a)
@ -307,7 +271,7 @@ pub fn sqrt(a f64) f64 {
return C.sqrt(a)
}
// sqrtf calculates square-root of the provided float32 value.
// sqrtf calculates square-root of the provided value. (float32)
pub fn sqrtf(a f32) f32 {
return C.sqrtf(a)
}
@ -317,6 +281,11 @@ pub fn tan(a f64) f64 {
return C.tan(a)
}
// tanf calculates tangent. (float32)
pub fn tanf(a f32) f32 {
return C.tanf(a)
}
// tanh calculates hyperbolic tangent.
pub fn tanh(a f64) f64 {
return C.tanh(a)