cosd 149 ext/date/lib/astro.c E = M + e * RADEG * sind(M) * (1.0 + e * cosd(M)); cosd 150 ext/date/lib/astro.c x = cosd(E) - e; cosd 168 ext/date/lib/astro.c x = *r * cosd(lon); cosd 176 ext/date/lib/astro.c y = y * cosd(obl_ecl); cosd 266 ext/date/lib/astro.c cost = (sind(altit) - sind(lat) * sind(sdec)) / (cosd(lat) * cosd(sdec));