Provided by: libsdl3-doc_3.2.8+ds-1_all 

NAME
SDL_scalbn - 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) Simple Directmedia Layer SDL 3.2.8 SDL_scalbn(3)