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Function std.math.exponential.ldexp
Compute n * 2exp
real ldexp
(
real n,
int exp
) pure nothrow @nogc @safe;
double ldexp
(
double n,
int exp
) pure nothrow @nogc @safe;
float ldexp
(
float n,
int exp
) pure nothrow @nogc @safe;
References
frexp
Example
import std .meta : AliasSeq;
static foreach (T; AliasSeq!(float, double, real))
{{
T r;
r = ldexp(3.0L, 3);
writeln(r); // 24
r = ldexp(cast(T) 3.0, cast(int) 3);
writeln(r); // 24
T n = 3.0;
int exp = 3;
r = ldexp(n, exp);
writeln(r); // 24
}}
Authors
Walter Bright, Don Clugston, Conversion of CEPHES math library to D by Iain Buclaw and David Nadlinger
License
Copyright © 1999-2022 by the D Language Foundation | Page generated by ddox.