Difference between revisions of "Sqrt2f45e.cin"
(Created page with "<pre> z_type f45E(z_type z){int n; z_type e,s; DB coeu[21]={1., 0.44858743119526122890, .19037224679780675668, 0.77829576536968278770e-1, 0.30935860305707997953e-1, 0.120...") |
(→References) |
||
| (4 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
| + | // [[Sqrt2f45e.cin]] is the [[C++]] implementation of |
||
| − | <pre> |
||
| + | // superexponential to base \( \sqrt{2} \) |
||
| + | // constructed at fixed point 4, |
||
| + | // and having value 5 at zero. |
||
| + | //<pre> |
||
z_type f45E(z_type z){int n; z_type e,s; |
z_type f45E(z_type z){int n; z_type e,s; |
||
DB coeu[21]={1., |
DB coeu[21]={1., |
||
| Line 20: | Line 24: | ||
} |
} |
||
| − | </pre> |
+ | //</pre> |
| + | |||
| + | ==References== |
||
| + | [[Category:Book]] |
||
| + | [[Category:C++]] |
||
| + | [[Category:Exp]] |
||
| + | [[Category:Sqrt2]] |
||
| + | [[Category:Superfunction]] |
||
| + | [[Category:Superfunctions]] |
||
Latest revision as of 13:42, 7 July 2020
// Sqrt2f45e.cin is the C++ implementation of // superexponential to base \( \sqrt{2} \) // constructed at fixed point 4, // and having value 5 at zero.
//
z_type f45E(z_type z){int n; z_type e,s;
DB coeu[21]={1.,
0.44858743119526122890, .19037224679780675668,
0.77829576536968278770e-1, 0.30935860305707997953e-1,
0.12022125769065893274e-1, 0.45849888965617461424e-2,
0.17207423310577291102e-2, 0.63681090387985537364e-3,
0.23276960030302567773e-3, 0.84145511838119915857e-4,
0.30115646493706434120e-4, 0.10680745813035087964e-4,
0.37565713615564248453e-5, 0.13111367785052622794e-5,
0.45437916254218158081e-6, 0.15642984632975371803e-6,
0.53523276400816416929e-7, 0.18207786280204973113e-7,
0.61604764947389226744e-8, 0.2e-8};
e=exp(.32663425997828098238*(z-1.11520724513161));
s=coeu[20]; for(n=19;n>=0;n--) { s*=e; s+=coeu[n]; }
return 4.+s*e;}
z_type F45E(z_type z){ DB b=sqrt(2.);
if(Re(z)<-1.) return f45E(z);
return exp(F45E(z-1.)*log(b));
}
//
