llvm::scalbn

Returns: X * 2^Exp for integral exponents.

Synopsis

Declared in <llvm/ADT/APFloat.h>

APFloat
scalbn(
    APFloat X,
    int Exp,
    roundingMode RM);

Return Value

X scaled by 2^Exp

Parameters

NameDescription
Xvalue to scale
Exppower-of-two exponent to apply
RMrounding mode for the scaling