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 3.2.2 Simple Directmedia Layer SDL3 FUNCTIONS