# SDL_PI_D

The value of Pi, as a double-precision floating point literal.

## Header File

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

## Syntax

```c
#define SDL_PI_D   3.141592653589793238462643383279502884       /**< pi (double) */
```

## Version

This macro is available since SDL 3.2.0.

## See Also

- [SDL_PI_F](SDL_PI_F)

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[CategoryAPI](CategoryAPI), [CategoryAPIMacro](CategoryAPIMacro), [CategoryStdinc](CategoryStdinc)

