# SDL_ISPIXELFORMAT_FLOAT
A macro to determine if an [SDL_PixelFormat](SDL_PixelFormat) is a floating point format.
## Header File
Defined in [<SDL3/SDL_pixels.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_pixels.h)
## Syntax
```c
#define SDL_ISPIXELFORMAT_FLOAT(format) \
(!SDL_ISPIXELFORMAT_FOURCC(format) && \
((SDL_PIXELTYPE(format) == SDL_PIXELTYPE_ARRAYF16) || \
(SDL_PIXELTYPE(format) == SDL_PIXELTYPE_ARRAYF32)))
```
## Macro Parameters
| | |
| ---------- | ----------------------------------------------- |
| **format** | an [SDL_PixelFormat](SDL_PixelFormat) to check. |
## Return Value
Returns true if the format is 10-bit, false otherwise.
## Remarks
Note that this macro double-evaluates its parameter, so do not use
expressions with side-effects here.
## Thread Safety
It is safe to call this macro from any thread.
## Version
This macro is available since SDL 3.2.0.
----
[CategoryAPI](CategoryAPI), [CategoryAPIMacro](CategoryAPIMacro), [CategoryPixels](CategoryPixels)