###### (This is the documentation for SDL3, which is under heavy development and the API is changing! [SDL2](https://wiki.libsdl.org/SDL2/) is the current stable version!) # SDL_modff Split `x` into integer and fractional parts ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_stdinc.h) ## Syntax ```c float SDL_modff(float x, float *y); ``` ## Function Parameters | | | | --------- | ----------------------------------------------- | | **x** | floating point value | | **y** | output pointer to store the integer part of `x` | ## Return Value Returns the fractional part of `x` ## Remarks This function operates on single-precision floating point values, use [SDL_modf](SDL_modf) for double-precision floats. ## Version This function is available since SDL 3.0.0. ## See Also - [SDL_modf](SDL_modf) - [SDL_truncf](SDL_truncf) - [SDL_fmodf](SDL_fmodf) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryStdinc](CategoryStdinc)