NAME¶

SDL_logf - Compute the natural logarithm of x .

HEADER FILE¶

Defined in SDL3/SDL_stdinc.h

SYNOPSIS¶

#include "SDL3/SDL.h"

float SDL_logf(float x);

DESCRIPTION¶

Domain: 0<x<=INF Range: -INF<=y<=INF It is an error for x to be less than or equal to 0.

This function operates on single-precision floating point values, use

SDL_log
for double-precision floats.

This function may use a different approximation across different versions, platforms and configurations. i.e, it can return a different value given the same input on different machines or operating systems, or if SDL is updated.

FUNCTION PARAMETERS¶

x

floating point value. Must be greater than 0.

RETURN VALUE¶

Returns the natural logarithm of x .

THREAD SAFETY¶

It is safe to call this function from any thread.

AVAILABILITY¶

This function is available since SDL 3.1.3.

SEE ALSO¶

•(3), SDL_log(3), •(3), SDL_expf(3)