SDL_scalbnf - Man Page

Scale x by an integer power of two.

Synopsis

#include <SDL3/SDL_stdinc.h>

float SDL_scalbnf(float x, int n);

Description

Multiplies x by the nth 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

SDL_scalbn(3), SDL_powf(3)

Referenced By

SDL_scalbn(3).

SDL 3.2.16 Simple Directmedia Layer SDL3 FUNCTIONS