Split x into integer and fractional parts
Defined in <SDL3/SDL_stdinc.h>
float SDL_modff(float x, float *y);| float | x | floating point value. | 
| float * | y | output pointer to store the integer part of x. | 
(float) Returns the fractional part of x.
This function operates on single-precision floating point values, use SDL_modf for double-precision floats.
It is safe to call this function from any thread.
This function is available since SDL 3.2.0.