# SDL_modff

Split `x` into integer and fractional parts

## Header File

Defined in [<SDL3/SDL_stdinc.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_stdinc.h)

## Syntax

```c
float SDL_modff(float x, float *y);
```

## Function Parameters

|         |       |                                                  |
| ------- | ----- | ------------------------------------------------ |
| float   | **x** | floating point value.                            |
| float * | **y** | output pointer to store the integer part of `x`. |

## Return Value

(float) 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.

## Thread Safety

It is safe to call this function from any thread.

## Version

This function is available since SDL 3.2.0.

## See Also

- [SDL_modf](SDL_modf)
- [SDL_truncf](SDL_truncf)
- [SDL_fmodf](SDL_fmodf)

----
[CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryStdinc](CategoryStdinc)

