###### (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_isinff

Return whether the value is infinity.

## Header File

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

## Syntax

```c
int SDL_isinff(float x);
```

## Function Parameters

|       |       |                       |
| ----- | ----- | --------------------- |
| float | **x** | floating point value. |

## Return Value

(int) Returns non-zero if the value is infinity, 0 otherwise.

## Thread Safety

It is safe to call this function from any thread.

## Version

This function is available since SDL 3.0.0.

## See Also

- [SDL_isinf](SDL_isinf)

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