RADEG              44 date/lib/astro.c #define atand(x)    (RADEG*atan(x))
RADEG              45 date/lib/astro.c #define asind(x)    (RADEG*asin(x))
RADEG              46 date/lib/astro.c #define acosd(x)    (RADEG*acos(x))
RADEG              47 date/lib/astro.c #define atan2d(y,x) (RADEG*atan2(y,x))
RADEG             144 date/lib/astro.c 	E = M + e * RADEG * sind(M) * (1.0 + e * cosd(M));