SDL_RectEmptyFloat - Determine whether a floating point rectangle can contain any point.

       This function is available since SDL 3.2.0.

Simple Directmedia Layer                           SDL 3.2.20                              SDL_RectEmptyFloat(3)

       A  rectangle  is  considered  "empty" for this function if r is NULL, or if r's width and/or height are <
       0.0f.

       Note that this is a forced-inline function in a header, and not a public API function  available  in  the
       SDL  library  (which  is  to  say, the code is embedded in the calling program and the linker and dynamic
       loader will not be able to find this function inside SDL itself).

r      the rectangle to test.

       SDL_RectEmptyFloat - Determine whether a floating point rectangle can contain any point.

       Returns true if the rectangle is "empty", false otherwise.

#include<SDL3/SDL_rect.h>SDL_FORCE_INLINEboolSDL_RectEmptyFloat(constSDL_FRect*r);

       It is safe to call this function from any thread.