Searched refs:tpSin (Results 1 – 1 of 1) sorted by relevance
831 double tU, tpCos, tpSin, tRA0 ,tRA ,tDEC; in computeTopAstro() local845 tpSin = 0.99664719 * sin(tU) + (loc->seaLevel/EARTH_RADIUS) * in computeTopAstro()857 tDEC = RAD_TO_DEG(atan2((sin(astro->dec[i]) - tpSin * sin(SP)) * cos(tRA0), in computeTopAstro()