NAME¶

SDL_isnan - Return whether the value is NaN.

HEADER FILE¶

Defined in SDL3/SDL_stdinc.h

SYNOPSIS¶

#include "SDL3/SDL.h"

int SDL_isnan(double x);

FUNCTION PARAMETERS¶

x

double-precision floating point value.

RETURN VALUE¶

Returns non-zero if the value is NaN, 0 otherwise.

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_isnanf(3)