SDL_scalbn - Man Page

Scale x by an integer power of two.

Header File

Defined in SDL3/SDL_stdinc.h

Synopsis

#include "SDL3/SDL.h"

double SDL_scalbn(double x, int n);

Description

Multiplies x by the n th power of the floating point radix (always 2).

Domain: -INF<=x<=INF , n integer

Range: -INF<=y<=INF This function operates on double-precision floating point values, use

SDL_scalbnf
for single-precision floats.

Function Parameters

x

floating point value to be scaled.

n

integer exponent.

Return Value

Returns x*2^n .

Thread Safety

It is safe to call this function from any thread.

Availability

This function is available since SDL 3.2.0.

See Also

·(3), SDL_scalbnf(3), ·(3), SDL_pow(3)

Referenced By

SDL_scalbnf(3).

SDL 3.2.2 Simple Directmedia Layer SDL3 FUNCTIONS