SDL_NS_TO_SECONDS - Convert nanoseconds to seconds.

       This macro is available since SDL 3.2.0.

Simple Directmedia Layer                           SDL 3.2.20                               SDL_NS_TO_SECONDS(3)

       This  performs  a  division, so the results can be dramatically different if NS is an integer or floating
       point value.

NS     the number of nanoseconds to convert.

       SDL_NS_TO_SECONDS - Convert nanoseconds to seconds.

       Returns NS, expressed in seconds.

#include<SDL3/SDL_timer.h>#defineSDL_NS_TO_SECONDS(NS)((NS)/SDL_NS_PER_SECOND)

       It is safe to call this macro from any thread.