plucky (3) SDL_scalbnf.3.gz

NAME

       SDL_scalbnf - Scale x by an integer power of two.

HEADER FILE

       Defined in SDL3/SDL_stdinc.h

SYNOPSIS

       #include "SDL3/SDL.h"

       float SDL_scalbnf(float 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 single-precision floating point values, use

       SDL_scalbn
        for double-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_scalbn(3), •(3), SDL_powf(3)