QCaml/Utils/Constants.ml

let cutoff = 1.e-15

(** Constants *)
let pi = acos (-1.)
let sq_pi = sqrt pi
let sq_pi_over_two = sq_pi *. 0.5
let pi_inv = 1. /. pi
let two_over_sq_pi = 2. /. (sqrt pi)

let a0 = 0.529_177_210_67
Minimal screening 2018-01-20 01:49:50 +01:00			`let cutoff = 1.e-15`
ERI tested with QP -> OK 2018-01-19 17:42:12 +01:00
			`(** Constants *)`
			`let pi = acos (-1.)`
Fast 00 2018-02-01 19:06:29 +01:00			`let sq_pi = sqrt pi`
			`let sq_pi_over_two = sq_pi *. 0.5`
ERI tested with QP -> OK 2018-01-19 17:42:12 +01:00			`let pi_inv = 1. /. pi`
			`let two_over_sq_pi = 2. /. (sqrt pi)`

			`let a0 = 0.529_177_210_67`