257 lines
4.8 KiB
V
257 lines
4.8 KiB
V
// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module math
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#include <math.h>
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fn C.acos(x f64) f64
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fn C.asin(x f64) f64
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fn C.atan(x f64) f64
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fn C.atan2(y f64, x f64) f64
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fn C.cbrt(x f64) f64
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fn C.ceil(x f64) f64
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fn C.cos(x f64) f64
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fn C.cosf(x f32) f32
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fn C.cosh(x f64) f64
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fn C.erf(x f64) f64
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fn C.erfc(x f64) f64
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fn C.exp(x f64) f64
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fn C.exp2(x f64) f64
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fn C.fabs(x f64) f64
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fn C.floor(x f64) f64
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fn C.fmod(x f64, y f64) f64
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fn C.hypot(x f64, y f64) f64
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fn C.log(x f64) f64
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fn C.log2(x f64) f64
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fn C.log10(x f64) f64
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fn C.lgamma(x f64) f64
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fn C.pow(x f64, y f64) f64
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fn C.powf(x f32, y f32) f32
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fn C.round(x f64) f64
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fn C.sin(x f64) f64
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fn C.sinf(x f32) f32
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fn C.sinh(x f64) f64
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fn C.sqrt(x f64) f64
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fn C.sqrtf(x f32) f32
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fn C.tgamma(x f64) f64
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fn C.tan(x f64) f64
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fn C.tanf(x f32) f32
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fn C.tanh(x f64) f64
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fn C.trunc(x f64) f64
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// NOTE
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// When adding a new function, please make sure it's in the right place.
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// All functions are sorted alphabetically.
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// Returns the absolute value.
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[inline]
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pub fn abs(a f64) f64 {
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return C.fabs(a)
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}
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// acos calculates inverse cosine (arccosine).
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[inline]
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pub fn acos(a f64) f64 {
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return C.acos(a)
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}
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// asin calculates inverse sine (arcsine).
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[inline]
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pub fn asin(a f64) f64 {
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return C.asin(a)
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}
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// atan calculates inverse tangent (arctangent).
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[inline]
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pub fn atan(a f64) f64 {
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return C.atan(a)
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}
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// atan2 calculates inverse tangent with two arguments, returns the angle between the X axis and the point.
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[inline]
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pub fn atan2(a, b f64) f64 {
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return C.atan2(a, b)
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}
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// cbrt calculates cubic root.
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[inline]
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pub fn cbrt(a f64) f64 {
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return C.cbrt(a)
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}
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// ceil returns the nearest f64 greater or equal to the provided value.
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[inline]
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pub fn ceil(a f64) f64 {
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return C.ceil(a)
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}
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// cos calculates cosine.
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[inline]
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pub fn cos(a f64) f64 {
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return C.cos(a)
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}
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// cosf calculates cosine. (float32)
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[inline]
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pub fn cosf(a f32) f32 {
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return C.cosf(a)
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}
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// cosh calculates hyperbolic cosine.
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[inline]
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pub fn cosh(a f64) f64 {
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return C.cosh(a)
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}
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// exp calculates exponent of the number (math.pow(math.E, a)).
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[inline]
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pub fn exp(a f64) f64 {
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return C.exp(a)
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}
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// erf computes the error function value
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[inline]
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pub fn erf(a f64) f64 {
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return C.erf(a)
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}
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// erfc computes the complementary error function value
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[inline]
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pub fn erfc(a f64) f64 {
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return C.erfc(a)
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}
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// exp2 returns the base-2 exponential function of a (math.pow(2, a)).
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[inline]
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pub fn exp2(a f64) f64 {
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return C.exp2(a)
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}
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// floor returns the nearest f64 lower or equal of the provided value.
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[inline]
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pub fn floor(a f64) f64 {
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return C.floor(a)
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}
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// fmod returns the floating-point remainder of number / denom (rounded towards zero):
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[inline]
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pub fn fmod(a, b f64) f64 {
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return C.fmod(a, b)
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}
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// gamma computes the gamma function value
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[inline]
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pub fn gamma(a f64) f64 {
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return C.tgamma(a)
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}
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// Returns hypotenuse of a right triangle.
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[inline]
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pub fn hypot(a, b f64) f64 {
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return C.hypot(a, b)
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}
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// log calculates natural (base-e) logarithm of the provided value.
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[inline]
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pub fn log(a f64) f64 {
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return C.log(a)
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}
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// log2 calculates base-2 logarithm of the provided value.
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[inline]
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pub fn log2(a f64) f64 {
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return C.log2(a)
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}
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// log10 calculates the common (base-10) logarithm of the provided value.
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[inline]
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pub fn log10(a f64) f64 {
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return C.log10(a)
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}
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// log_gamma computes the log-gamma function value
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[inline]
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pub fn log_gamma(a f64) f64 {
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return C.lgamma(a)
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}
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// log_n calculates base-N logarithm of the provided value.
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[inline]
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pub fn log_n(a, b f64) f64 {
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return C.log(a) / C.log(b)
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}
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// pow returns base raised to the provided power.
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[inline]
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pub fn pow(a, b f64) f64 {
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return C.pow(a, b)
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}
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// powf returns base raised to the provided power. (float32)
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[inline]
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pub fn powf(a, b f32) f32 {
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return C.powf(a, b)
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}
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// round returns the integer nearest to the provided value.
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[inline]
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pub fn round(f f64) f64 {
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return C.round(f)
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}
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// sin calculates sine.
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[inline]
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pub fn sin(a f64) f64 {
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return C.sin(a)
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}
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// sinf calculates sine. (float32)
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[inline]
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pub fn sinf(a f32) f32 {
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return C.sinf(a)
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}
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// sinh calculates hyperbolic sine.
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[inline]
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pub fn sinh(a f64) f64 {
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return C.sinh(a)
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}
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// sqrt calculates square-root of the provided value.
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[inline]
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pub fn sqrt(a f64) f64 {
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return C.sqrt(a)
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}
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// sqrtf calculates square-root of the provided value. (float32)
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[inline]
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pub fn sqrtf(a f32) f32 {
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return C.sqrtf(a)
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}
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// tan calculates tangent.
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[inline]
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pub fn tan(a f64) f64 {
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return C.tan(a)
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}
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// tanf calculates tangent. (float32)
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[inline]
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pub fn tanf(a f32) f32 {
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return C.tanf(a)
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}
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// tanh calculates hyperbolic tangent.
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[inline]
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pub fn tanh(a f64) f64 {
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return C.tanh(a)
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}
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// trunc rounds a toward zero, returning the nearest integral value that is not
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// larger in magnitude than a.
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[inline]
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pub fn trunc(a f64) f64 {
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return C.trunc(a)
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}
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