def agerange(self, m, feh=<NUM_LIT:0.0>):
ages = np.arange(self.minage, self.maxage, <NUM_LIT>)<EOL>rs = self.radius(m, ages, feh)<EOL>w = np.where(np.isfinite(rs))[<NUM_LIT:0>]<EOL>return ages[w[<NUM_LIT:0>]],ages[w[-<NUM_LIT:1>]]<EOL>
For a given mass and feh, returns the min and max allowed ages.