Man page - sdl_scalbn(3)

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SDL_scalbn - Scale x by an integer power of two.

Defined in SDL3/SDL_stdinc.h

#include "SDL3/SDL.h"

double SDL_scalbn(double x, int n);

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.

	x		floating point value to be scaled.
	n		integer exponent.

Returns x * 2ˆn .

It is safe to call this function from any thread.

This function is available since SDL 3.2.0.