@stdlib/esm/math/base/special/asin.js

ES module distribution for Stdlib, a standard library for JavaScript and Node.js.

// This file is a part of stdlib. License is Apache-2.0: http://www.apache.org/licenses/LICENSE-2.0
import r from"./../assert/is-nan.js";import t from"./sqrt.js";import n from"./../../../constants/math/float64-fourth-pi.js";function a(r){var t,n;return 0===r?.16666666666666713:((r<0?-r:r)<=1?(t=r*(19.562619833175948+r*(r*(5.444622390564711+r*(.004253011369004428*r-.6019598008014124))-16.262479672107002))-8.198089802484825,n=r*(139.51056146574857+r*(r*(70.49610280856842+r*(1*r-14.740913729888538))-147.1791292232726))-49.18853881490881):(t=.004253011369004428+(r=1/r)*(r*(5.444622390564711+r*(r*(19.562619833175948+-8.198089802484825*r)-16.262479672107002))-.6019598008014124),n=1+r*(r*(70.49610280856842+r*(r*(139.51056146574857+-49.18853881490881*r)-147.1791292232726))-14.740913729888538)),t/n)}function e(r){var t,n;return 0===r?.08333333333333809:((r<0?-r:r)<=1?(t=28.536655482610616+r*(r*(6.968710824104713+r*(.002967721961301243*r-.5634242780008963))-25.56901049652825),n=342.43986579130785+r*(r*(147.0656354026815+r*(1*r-21.947795316429207))-383.8770957603691)):(t=.002967721961301243+(r=1/r)*(r*(6.968710824104713+r*(28.536655482610616*r-25.56901049652825))-.5634242780008963),n=1+r*(r*(147.0656354026815+r*(342.43986579130785*r-383.8770957603691))-21.947795316429207)),t/n)}var f=r,o=t,i=n,u=a,s=e,m=6123233995736766e-32;function p(r){var t,n,a,e,p;if(f(r))return NaN;if(r>0?a=r:(t=!0,a=-r),a>1)return NaN;if(a>.625)e=(n=1-a)*s(n),n=o(n+n),p=i-n,p-=n=n*e-m,p+=i;else{if(a<1e-8)return r;p=a*(p=(n=a*a)*u(n))+a}return t?-p:p}var v=p;export default v;
//# sourceMappingURL=asin.js.map