Provided by: libsdl3-doc_3.2.8+ds-1_all 

NAME
SDL_PI_D - The value of Pi, as a double-precision floating point literal.
HEADER FILE
Defined in SDL3/SDL_stdinc.h
SYNOPSIS
#include "SDL3/SDL.h" #define SDL_PI_D 3.141592653589793238462643383279502884 /**< pi (double) */
AVAILABILITY
This macro is available since SDL 3.2.0.
SEE ALSO
•(3), SDL_PI_F(3) Simple Directmedia Layer SDL 3.2.8 SDL_PI_D(3)