PI                 36 ext/date/lib/astro.c #ifndef PI
PI                 40 ext/date/lib/astro.c #define RADEG     ( 180.0 / PI )
PI                 41 ext/date/lib/astro.c #define DEGRAD    ( PI / 180.0 )
PI                  6 ext/gd/libgd/gdtestft.c #define DEG2RAD(x) ((x)*PI/180.)
PI               2181 ext/pcre/pcrelib/sljit/sljitNativeTILEGX_64.c 		return PI(BPT);
PI               2469 ext/pcre/pcrelib/sljit/sljitNativeTILEGX_64.c 		PTR_FAIL_IF(PI(inst));