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Function std.math.scalbn
Efficiently calculates x * 2n.
real scalbn
(
real x,
int n
) nothrow @nogc @trusted;
scalbn handles underflow and overflow in the same fashion as the basic arithmetic operators.
| x | scalb(x) |
|---|---|
| ±∞ | ±∞ |
| ±0.0 | ±0.0 |
Example
writeln(scalbn(-realAuthors
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.