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31 lines
576 B
OCaml
31 lines
576 B
OCaml
(** All constants used in the program.
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*)
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val epsilon : float
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(** Value below which a float is considered null. Default is 10{^-20}. *)
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val integrals_cutoff : float
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(** Cutoff value for integrals. Default is 10{^-15}. *)
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val pi : float
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(** pi = 3.141_592_653_589_793_12 *)
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val sq_pi : float
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(** [sqrt pi] *)
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val sq_pi_over_two : float
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(** [(sqrt pi) /. 2.] *)
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val pi_inv : float
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(** [ 1. /. pi ] *)
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val two_over_sq_pi : float
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(** [ 2. /. (sqrt pi) ] *)
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val a0 : float
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(** Bohr radius : a{_0} = 0.529_177_210_671_2 Angstrom *)
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val a0_inv : float
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(** [ 1. /. a0 ] *)
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