QCaml/linear_algebra/lib/spherical_to_cartesian.ml

open Qcaml_common

module Am = Angular_momentum

type num_cartesian_ao
type num_spherical_ao

let matrix = function
  | Am.S -> Matrix.make 1 1 1.
  | Am.P -> 
    begin
      let result =
        Matrix.make0 3 3 
        |> Matrix.to_bigarray_inplace
      in
      result.{ 3, 1} <- 1.0;
      result.{ 1, 2} <- 1.0;
      result.{ 2, 3} <- 1.0;
      Matrix.of_bigarray_inplace result
    end
  | Am.D -> 
    begin
      let result =
        Matrix.make0 6 5 
        |> Matrix.to_bigarray_inplace
      in
      result.{ 1, 1} <- -0.5;
      result.{ 4, 1} <- -0.5;
      result.{ 6, 1} <- 1.0;
      result.{ 3, 2} <- 1.0;
      result.{ 5, 3} <- 1.0;
      result.{ 1, 4} <- 0.86602540378443864676;
      result.{ 4, 4} <- -0.86602540378443864676;
      result.{ 2, 5} <- 1.0;
      Matrix.of_bigarray_inplace result
    end
  | Am.F ->
    begin
      let result =
        Matrix.make0 10 7
        |> Matrix.to_bigarray_inplace
      in
      result.{ 3, 1} <- -0.67082039324993690892;
      result.{ 8, 1} <- -0.67082039324993690892;
      result.{10, 1} <- 1.0;
      result.{ 1, 2} <- -0.61237243569579452455;
      result.{ 4, 2} <- -0.27386127875258305673;
      result.{ 6, 2} <- 1.0954451150103322269;
      result.{ 2, 3} <- -0.27386127875258305673;
      result.{ 7, 3} <- -0.61237243569579452455;
      result.{ 9, 3} <- 1.0954451150103322269;
      result.{ 3, 4} <- 0.86602540378443864676;
      result.{ 8, 4} <- -0.86602540378443864676;
      result.{ 5, 5} <- 1.0;
      result.{ 1, 6} <- 0.790569415042094833;
      result.{ 4, 6} <- -1.0606601717798212866;
      result.{ 2, 7} <- 1.0606601717798212866;
      result.{ 7, 7} <- -0.790569415042094833;
      Matrix.of_bigarray_inplace result
    end
  | Am.G ->
    begin
      let result =
        Matrix.make0 15 9 
        |> Matrix.to_bigarray_inplace
      in
      result.{ 1, 1} <- 0.375;
      result.{ 4, 1} <- 0.21957751641341996535;
      result.{ 6, 1} <- -0.87831006565367986142;
      result.{11, 1} <- 0.375;
      result.{13, 1} <- -0.87831006565367986142;
      result.{15, 1} <- 1.0;
      result.{ 3, 2} <- -0.89642145700079522998;
      result.{ 8, 2} <- -0.40089186286863657703;
      result.{10, 2} <- 1.19522860933439364;
      result.{ 5, 3} <- -0.40089186286863657703;
      result.{12, 3} <- -0.89642145700079522998;
      result.{14, 3} <- 1.19522860933439364;
      result.{ 1, 4} <- -0.5590169943749474241;
      result.{ 6, 4} <- 0.9819805060619657157;
      result.{11, 4} <- 0.5590169943749474241;
      result.{13, 4} <- -0.9819805060619657157;
      result.{ 2, 5} <- -0.42257712736425828875;
      result.{ 7, 5} <- -0.42257712736425828875;
      result.{ 9, 5} <- 1.1338934190276816816;
      result.{ 3, 6} <- 0.790569415042094833;
      result.{ 8, 6} <- -1.0606601717798212866;
      result.{ 5, 7} <- 1.0606601717798212866;
      result.{12, 7} <- -0.790569415042094833;
      result.{ 1, 8} <- 0.73950997288745200532;
      result.{ 4, 8} <- -1.2990381056766579701;
      result.{11, 8} <- 0.73950997288745200532;
      result.{ 2, 9} <- 1.1180339887498948482;
      result.{ 7, 9} <- -1.1180339887498948482;
      Matrix.of_bigarray_inplace result
    end
  | Am.H ->
    begin
      let result =
        Matrix.make0 21 11 
        |> Matrix.to_bigarray_inplace
      in
      result.{ 3, 1} <- 0.625;
      result.{ 8, 1} <- 0.36596252735569994226;
      result.{10, 1} <- -1.0910894511799619063;
      result.{17, 1} <- 0.625;
      result.{19, 1} <- -1.0910894511799619063;
      result.{21, 1} <- 1.0;
      result.{ 1, 2} <- 0.48412291827592711065;
      result.{ 4, 2} <- 0.21128856368212914438;
      result.{ 6, 2} <- -1.2677313820927748663;
      result.{11, 2} <- 0.16137430609197570355;
      result.{13, 2} <- -0.56694670951384084082;
      result.{15, 2} <- 1.2909944487358056284;
      result.{ 2, 3} <- 0.16137430609197570355;
      result.{ 7, 3} <- 0.21128856368212914438;
      result.{ 9, 3} <- -0.56694670951384084082;
      result.{16, 3} <- 0.48412291827592711065;
      result.{18, 3} <- -1.2677313820927748663;
      result.{20, 3} <- 1.2909944487358056284;
      result.{ 3, 4} <- -0.85391256382996653194;
      result.{10, 4} <- 1.1180339887498948482;
      result.{17, 4} <- 0.85391256382996653194;
      result.{19, 4} <- -1.1180339887498948482;
      result.{ 5, 5} <- -0.6454972243679028142;
      result.{12, 5} <- -0.6454972243679028142;
      result.{14, 5} <- 1.2909944487358056284;
      result.{ 1, 6} <- -0.52291251658379721749;
      result.{ 4, 6} <- 0.22821773229381921394;
      result.{ 6, 6} <- 0.91287092917527685576;
      result.{11, 6} <- 0.52291251658379721749;
      result.{13, 6} <- -1.2247448713915890491;
      result.{ 2, 7} <- -0.52291251658379721749;
      result.{ 7, 7} <- -0.22821773229381921394;
      result.{ 9, 7} <- 1.2247448713915890491;
      result.{16, 7} <- 0.52291251658379721749;
      result.{18, 7} <- -0.91287092917527685576;
      result.{ 3, 8} <- 0.73950997288745200532;
      result.{ 8, 8} <- -1.2990381056766579701;
      result.{17, 8} <- 0.73950997288745200532;
      result.{ 5, 9} <- 1.1180339887498948482;
      result.{12, 9} <- -1.1180339887498948482;
      result.{ 1,10} <-  0.7015607600201140098;
      result.{ 4,10} <-  -1.5309310892394863114;
      result.{11,10} <-  1.169267933366856683;
      result.{ 2,11} <-  1.169267933366856683;
      result.{ 7,11} <-  -1.5309310892394863114;
      result.{16,11} <-  0.7015607600201140098;
      Matrix.of_bigarray_inplace result
    end
  |Am.I ->
    begin
      let result =
        Matrix.make0 28 13 
        |> Matrix.to_bigarray_inplace
      in
      result.{ 1, 1} <- -0.3125;
      result.{ 4, 1} <- -0.16319780245846672329;
      result.{ 6, 1} <- 0.97918681475080033975;
      result.{11, 1} <- -0.16319780245846672329;
      result.{13, 1} <- 0.57335309036732873772;
      result.{15, 1} <- -1.3055824196677337863;
      result.{22, 1} <- -0.3125;
      result.{24, 1} <- 0.97918681475080033975;
      result.{26, 1} <- -1.3055824196677337863;
      result.{28, 1} <- 1.0;
      result.{ 3, 2} <- 0.86356159963469679725;
      result.{ 8, 2} <- 0.37688918072220452831;
      result.{10, 2} <- -1.6854996561581052156;
      result.{17, 2} <- 0.28785386654489893242;
      result.{19, 2} <- -0.75377836144440905662;
      result.{21, 2} <- 1.3816985594155148756;
      result.{ 5, 3} <- 0.28785386654489893242;
      result.{12, 3} <- 0.37688918072220452831;
      result.{14, 3} <- -0.75377836144440905662;
      result.{23, 3} <- 0.86356159963469679725;
      result.{25, 3} <- -1.6854996561581052156;
      result.{27, 3} <- 1.3816985594155148756;
      result.{ 1, 4} <- 0.45285552331841995543;
      result.{ 4, 4} <- 0.078832027985861408788;
      result.{ 6, 4} <- -1.2613124477737825406;
      result.{11, 4} <- -0.078832027985861408788;
      result.{15, 4} <- 1.2613124477737825406;
      result.{22, 4} <- -0.45285552331841995543;
      result.{24, 4} <- 1.2613124477737825406;
      result.{26, 4} <- -1.2613124477737825406;
      result.{ 2, 5} <- 0.27308215547040717681;
      result.{ 7, 5} <- 0.26650089544451304287;
      result.{ 9, 5} <- -0.95346258924559231545;
      result.{16, 5} <- 0.27308215547040717681;
      result.{18, 5} <- -0.95346258924559231545;
      result.{20, 5} <- 1.4564381625088382763;
      result.{ 3, 6} <- -0.81924646641122153043;
      result.{ 8, 6} <- 0.35754847096709711829;
      result.{10, 6} <- 1.0660035817780521715;
      result.{17, 6} <- 0.81924646641122153043;
      result.{19, 6} <- -1.4301938838683884732;
      result.{ 5, 7} <- -0.81924646641122153043;
      result.{12, 7} <- -0.35754847096709711829;
      result.{14, 7} <- 1.4301938838683884732;
      result.{23, 7} <- 0.81924646641122153043;
      result.{25, 7} <- -1.0660035817780521715;
      result.{ 1, 8} <- -0.49607837082461073572;
      result.{ 4, 8} <- 0.43178079981734839863;
      result.{ 6, 8} <- 0.86356159963469679725;
      result.{11, 8} <- 0.43178079981734839863;
      result.{13, 8} <- -1.5169496905422946941;
      result.{22, 8} <- -0.49607837082461073572;
      result.{24, 8} <- 0.86356159963469679725;
      result.{ 2, 9} <- -0.59829302641309923139;
      result.{ 9, 9} <- 1.3055824196677337863;
      result.{16, 9} <- 0.59829302641309923139;
      result.{18, 9} <- -1.3055824196677337863;
      result.{ 3,10} <-  0.7015607600201140098;
      result.{ 8,10} <-  -1.5309310892394863114;
      result.{17,10} <-  1.169267933366856683;
      result.{ 5,11} <-  1.169267933366856683;
      result.{12,11} <-  -1.5309310892394863114;
      result.{23,11} <-  0.7015607600201140098;
      result.{ 1,12} <-  0.67169328938139615748;
      result.{ 4,12} <-  -1.7539019000502850245;
      result.{11,12} <-  1.7539019000502850245;
      result.{22,12} <-  -0.67169328938139615748;
      result.{ 2,13} <-  1.2151388809514737933;
      result.{ 7,13} <-  -1.9764235376052370825;
      result.{16,13} <-  1.2151388809514737933;
      Matrix.of_bigarray_inplace result
    end
  |Am.J ->
    begin
      let result =
        Matrix.make0 36 15
        |> Matrix.to_bigarray_inplace
      in
      result.{ 3, 1} <- -0.60670333962134435221;
      result.{ 8, 1} <- -0.31684048566533184861;
      result.{10, 1} <- 1.4169537279434593918;
      result.{17, 1} <- -0.31684048566533184861;
      result.{19, 1} <- 0.82968314787883083417;
      result.{21, 1} <- -1.5208343311935928733;
      result.{30, 1} <- -0.60670333962134435221;
      result.{32, 1} <- 1.4169537279434593918;
      result.{34, 1} <- -1.5208343311935928733;
      result.{36, 1} <- 1.0;
      result.{ 1, 2} <- -0.41339864235384227977;
      result.{ 4, 2} <- -0.17963167078872714852;
      result.{ 6, 2} <- 1.4370533663098171882;
      result.{11, 2} <- -0.1338895422651523892;
      result.{13, 2} <- 0.62718150750531807803;
      result.{15, 2} <- -2.1422326762424382273;
      result.{22, 2} <- -0.1146561540164598136;
      result.{24, 2} <- 0.47901778876993906273;
      result.{26, 2} <- -0.95803557753987812546;
      result.{28, 2} <- 1.4675987714106856141;
      result.{ 2, 3} <- -0.1146561540164598136;
      result.{ 7, 3} <- -0.1338895422651523892;
      result.{ 9, 3} <- 0.47901778876993906273;
      result.{16, 3} <- -0.17963167078872714852;
      result.{18, 3} <- 0.62718150750531807803;
      result.{20, 3} <- -0.95803557753987812546;
      result.{29, 3} <- -0.41339864235384227977;
      result.{31, 3} <- 1.4370533663098171882;
      result.{33, 3} <- -2.1422326762424382273;
      result.{35, 3} <- 1.4675987714106856141;
      result.{ 3, 4} <- 0.84254721963085980365;
      result.{ 8, 4} <- 0.14666864502533059662;
      result.{10, 4} <- -1.7491256557036030854;
      result.{17, 4} <- -0.14666864502533059662;
      result.{21, 4} <- 1.4080189922431737275;
      result.{30, 4} <- -0.84254721963085980365;
      result.{32, 4} <- 1.7491256557036030854;
      result.{34, 4} <- -1.4080189922431737275;
      result.{ 5, 5} <- 0.50807509012231371428;
      result.{12, 5} <- 0.49583051751369852316;
      result.{14, 5} <- -1.3222147133698627284;
      result.{23, 5} <- 0.50807509012231371428;
      result.{25, 5} <- -1.3222147133698627284;
      result.{27, 5} <- 1.6258402883914038857;
      result.{ 1, 6} <- 0.42961647140211000062;
      result.{ 4, 6} <- -0.062226236090912312563;
      result.{ 6, 6} <- -1.2445247218182462513;
      result.{11, 6} <- -0.23190348980538452414;
      result.{13, 6} <- 0.54315511828342602619;
      result.{15, 6} <- 1.2368186122953841287;
      result.{22, 6} <- -0.35746251148251142922;
      result.{24, 6} <- 1.2445247218182462513;
      result.{26, 6} <- -1.6593662957576616683;
      result.{ 2, 7} <- 0.35746251148251142922;
      result.{ 7, 7} <- 0.23190348980538452414;
      result.{ 9, 7} <- -1.2445247218182462513;
      result.{16, 7} <- 0.062226236090912312563;
      result.{18, 7} <- -0.54315511828342602619;
      result.{20, 7} <- 1.6593662957576616683;
      result.{29, 7} <- -0.42961647140211000062;
      result.{31, 7} <- 1.2445247218182462513;
      result.{33, 7} <- -1.2368186122953841287;
      result.{ 3, 8} <- -0.79037935147039945351;
      result.{ 8, 8} <- 0.6879369240987588816;
      result.{10, 8} <- 1.025515817677958738;
      result.{17, 8} <- 0.6879369240987588816;
      result.{19, 8} <- -1.8014417303072302517;
      result.{30, 8} <- -0.79037935147039945351;
      result.{32, 8} <- 1.025515817677958738;
      result.{ 5, 9} <- -0.95323336395336381126;
      result.{14, 9} <- 1.5504341823651057024;
      result.{23, 9} <- 0.95323336395336381126;
      result.{25, 9} <- -1.5504341823651057024;
      result.{ 1,10} <- -0.47495887979908323849;
      result.{ 4,10} <-  0.61914323168888299344;
      result.{ 6,10} <-  0.82552430891851065792;
      result.{11,10} <-  0.25637895441948968451;
      result.{13,10} <-  -1.8014417303072302517;
      result.{22,10} <-  -0.65864945955866621126;
      result.{24,10} <-  1.3758738481975177632;
      result.{ 2,11} <-  -0.65864945955866621126;
      result.{ 7,11} <-  0.25637895441948968451;
      result.{ 9,11} <-  1.3758738481975177632;
      result.{16,11} <-  0.61914323168888299344;
      result.{18,11} <-  -1.8014417303072302517;
      result.{29,11} <-  -0.47495887979908323849;
      result.{31,11} <-  0.82552430891851065792;
      result.{ 3,12} <-  0.67169328938139615748;
      result.{ 8,12} <-  -1.7539019000502850245;
      result.{17,12} <-  1.7539019000502850245;
      result.{30,12} <-  -0.67169328938139615748;
      result.{ 5,13} <-  1.2151388809514737933;
      result.{12,13} <-  -1.9764235376052370825;
      result.{23,13} <-  1.2151388809514737933;
      result.{ 1,14} <-  0.64725984928774934788;
      result.{ 4,14} <-  -1.96875;
      result.{11,14} <-  2.4456993503903949804;
      result.{22,14} <-  -1.2566230789301937693;
      result.{ 2,15} <-  1.2566230789301937693;
      result.{ 7,15} <-  -2.4456993503903949804;
      result.{16,15} <-  1.96875;
      result.{29,15} <-  -0.64725984928774934788;
      Matrix.of_bigarray_inplace result
    end
  |Am.K ->
    begin
      let result =
        Matrix.make0 45 17
        |> Matrix.to_bigarray_inplace
      in
      result.{ 1, 1} <- 0.2734375;
      result.{ 4, 1} <- 0.13566299095694674896;
      result.{ 6, 1} <- -1.0853039276555739917;
      result.{11, 1} <- 0.12099545906566282998;
      result.{13, 1} <- -0.56678149117738375672;
      result.{15, 1} <- 1.9359273450506052797;
      result.{22, 1} <- 0.13566299095694674896;
      result.{24, 1} <- -0.56678149117738375672;
      result.{26, 1} <- 1.1335629823547675134;
      result.{28, 1} <- -1.7364862842489183867;
      result.{37, 1} <- 0.2734375;
      result.{39, 1} <- -1.0853039276555739917;
      result.{41, 1} <- 1.9359273450506052797;
      result.{43, 1} <- -1.7364862842489183867;
      result.{45, 1} <- 1.0;
      result.{ 3, 2} <- -0.84721510698287244363;
      result.{ 8, 2} <- -0.36813537731583001376;
      result.{10, 2} <- 2.1951352762686132731;
      result.{17, 2} <- -0.27439190953357665914;
      result.{19, 2} <- 0.95803557753987812546;
      result.{21, 2} <- -2.6341623315223359277;
      result.{30, 2} <- -0.23497519304418891392;
      result.{32, 2} <- 0.73171175875620442437;
      result.{34, 2} <- -1.178033207410656044;
      result.{36, 2} <- 1.5491933384829667541;
      result.{ 5, 3} <- -0.23497519304418891392;
      result.{12, 3} <- -0.27439190953357665914;
      result.{14, 3} <- 0.73171175875620442437;
      result.{23, 3} <- -0.36813537731583001376;
      result.{25, 3} <- 0.95803557753987812546;
      result.{27, 3} <- -1.178033207410656044;
      result.{38, 3} <- -0.84721510698287244363;
      result.{40, 3} <- 2.1951352762686132731;
      result.{42, 3} <- -2.6341623315223359277;
      result.{44, 3} <- 1.5491933384829667541;
      result.{ 1, 4} <- -0.39218438743784791311;
      result.{ 4, 4} <- -0.0972889728117695298;
      result.{ 6, 4} <- 1.459334592176542947;
      result.{13, 4} <- 0.25403754506115685714;
      result.{15, 4} <- -2.3138757483972597747;
      result.{22, 4} <- 0.0972889728117695298;
      result.{24, 4} <- -0.25403754506115685714;
      result.{28, 4} <- 1.5566235649883124768;
      result.{37, 4} <- 0.39218438743784791311;
      result.{39, 4} <- -1.459334592176542947;
      result.{41, 4} <- 2.3138757483972597747;
      result.{43, 4} <- -1.5566235649883124768;
      result.{ 2, 5} <- -0.20252314682524563222;
      result.{ 7, 5} <- -0.1967766362666553471;
      result.{ 9, 5} <- 0.8800118701519835797;
      result.{16, 5} <- -0.1967766362666553471;
      result.{18, 5} <- 0.85880364827689588344;
      result.{20, 5} <- -1.7491256557036030854;
      result.{29, 5} <- -0.20252314682524563222;
      result.{31, 5} <- 0.8800118701519835797;
      result.{33, 5} <- -1.7491256557036030854;
      result.{35, 5} <- 1.7974340685458342478;
      result.{ 3, 6} <- 0.82265291131801144316;
      result.{ 8, 6} <- -0.11915417049417047641;
      result.{10, 6} <- -1.7762455001837659611;
      result.{17, 6} <- -0.44406137504594149028;
      result.{19, 6} <- 0.77521709118255285119;
      result.{21, 6} <- 1.4209964001470127689;
      result.{30, 6} <- -0.68448859700003543819;
      result.{32, 6} <- 1.7762455001837659611;
      result.{34, 6} <- -1.9064667279067276225;
      result.{ 5, 7} <- 0.68448859700003543819;
      result.{12, 7} <- 0.44406137504594149028;
      result.{14, 7} <- -1.7762455001837659611;
      result.{23, 7} <- 0.11915417049417047641;
      result.{25, 7} <- -0.77521709118255285119;
      result.{27, 7} <- 1.9064667279067276225;
      result.{38, 7} <- -0.82265291131801144316;
      result.{40, 7} <- 1.7762455001837659611;
      result.{42, 7} <- -1.4209964001470127689;
      result.{ 1, 8} <- 0.41132645565900572158;
      result.{ 4, 8} <- -0.20407507102873838124;
      result.{ 6, 8} <- -1.2244504261724302874;
      result.{11, 8} <- -0.3033516698106721761;
      result.{13, 8} <- 1.0657473001102595767;
      result.{15, 8} <- 1.2134066792426887044;
      result.{22, 8} <- -0.20407507102873838124;
      result.{24, 8} <- 1.0657473001102595767;
      result.{26, 8} <- -2.1314946002205191534;
      result.{37, 8} <- 0.41132645565900572158;
      result.{39, 8} <- -1.2244504261724302874;
      result.{41, 8} <- 1.2134066792426887044;
      result.{ 2, 9} <- 0.42481613669916071115;
      result.{ 7, 9} <- 0.13758738481975177632;
      result.{ 9, 9} <- -1.4767427774562605828;
      result.{16, 9} <- -0.13758738481975177632;
      result.{20, 9} <- 1.8344984642633570176;
      result.{29, 9} <- -0.42481613669916071115;
      result.{31, 9} <- 1.4767427774562605828;
      result.{33, 9} <- -1.8344984642633570176;
      result.{ 3,10} <-  -0.76584818175667166625;
      result.{ 8,10} <-  0.99833846339806020718;
      result.{10,10} <-  0.99215674164922147144;
      result.{17,10} <-  0.41339864235384227977;
      result.{19,10} <-  -2.1650635094610966169;
      result.{30,10} <-  -1.0620403417479017779;
      result.{32,10} <-  1.6535945694153691191;
      result.{ 5,11} <-  -1.0620403417479017779;
      result.{12,11} <-  0.41339864235384227977;
      result.{14,11} <-  1.6535945694153691191;
      result.{23,11} <-  0.99833846339806020718;
      result.{25,11} <-  -2.1650635094610966169;
      result.{38,11} <-  -0.76584818175667166625;
      result.{40,11} <-  0.99215674164922147144;
      result.{ 1,12} <-  -0.45768182862115030664;
      result.{ 4,12} <-  0.79475821795059156217;
      result.{ 6,12} <-  0.79475821795059156217;
      result.{13,12} <-  -2.0752447144854989366;
      result.{22,12} <-  -0.79475821795059156217;
      result.{24,12} <-  2.0752447144854989366;
      result.{37,12} <-  0.45768182862115030664;
      result.{39,12} <-  -0.79475821795059156217;
      result.{ 2,13} <-  -0.70903764004458888811;
      result.{ 7,13} <-  0.53582588123382020898;
      result.{ 9,13} <-  1.4377717134510610478;
      result.{16,13} <-  0.53582588123382020898;
      result.{18,13} <-  -2.338535866733713366;
      result.{29,13} <-  -0.70903764004458888811;
      result.{31,13} <-  1.4377717134510610478;
      result.{ 3,14} <-  0.64725984928774934788;
      result.{ 8,14} <-  -1.96875;
      result.{17,14} <-  2.4456993503903949804;
      result.{30,14} <-  -1.2566230789301937693;
      result.{ 5,15} <-  1.2566230789301937693;
      result.{12,15} <-  -2.4456993503903949804;
      result.{23,15} <-  1.96875;
      result.{38,15} <-  -0.64725984928774934788;
      result.{ 1,16} <-  0.626706654240043952;
      result.{ 4,16} <-  -2.176535018670731151;
      result.{11,16} <-  3.2353561313826025233;
      result.{22,16} <-  -2.176535018670731151;
      result.{37,16} <-  0.626706654240043952;
      result.{ 2,17} <-  1.2945196985754986958;
      result.{ 7,17} <-  -2.9348392204684739765;
      result.{16,17} <-  2.9348392204684739765;
      result.{29,17} <-  -1.2945196985754986958;
      Matrix.of_bigarray_inplace result
    end
  |Am.L ->
    begin
      let result =
        Matrix.make0 55 19
        |> Matrix.to_bigarray_inplace
      in
      result.{ 3, 1} <- 0.59686501473785067702;
      result.{ 8, 1} <- 0.29612797475437320937;
      result.{10, 1} <- -1.7657660842403202261;
      result.{17, 1} <- 0.26411138361943717788;
      result.{19, 1} <- -0.92214126273187869253;
      result.{21, 1} <- 2.5354692827465969076;
      result.{30, 1} <- 0.29612797475437320937;
      result.{32, 1} <- -0.92214126273187869253;
      result.{34, 1} <- 1.4846187947947014119;
      result.{36, 1} <- -1.952374120367905548;
      result.{47, 1} <- 0.59686501473785067702;
      result.{49, 1} <- -1.7657660842403202261;
      result.{51, 1} <- 2.5354692827465969076;
      result.{53, 1} <- -1.952374120367905548;
      result.{55, 1} <- 1.0;
      result.{ 1, 2} <- 0.36685490255855924707;
      result.{ 4, 2} <- 0.15916400393009351387;
      result.{ 6, 2} <- -1.5916400393009351387;
      result.{11, 2} <- 0.11811420148091719529;
      result.{13, 2} <- -0.6916059470489090194;
      result.{15, 2} <- 3.1497120394911252077;
      result.{22, 2} <- 0.098709324918124403125;
      result.{24, 2} <- -0.51549263708149354579;
      result.{26, 2} <- 1.3746470322173161221;
      result.{28, 2} <- -3.1586983973799809;
      result.{37, 2} <- 0.088975383089683195547;
      result.{39, 2} <- -0.44144152106008005653;
      result.{41, 2} <- 1.0499040131637084026;
      result.{43, 2} <- -1.4126128673922561809;
      result.{45, 2} <- 1.62697843363992129;
      result.{ 2, 3} <- 0.088975383089683195547;
      result.{ 7, 3} <- 0.098709324918124403125;
      result.{ 9, 3} <- -0.44144152106008005653;
      result.{16, 3} <- 0.11811420148091719529;
      result.{18, 3} <- -0.51549263708149354579;
      result.{20, 3} <- 1.0499040131637084026;
      result.{29, 3} <- 0.15916400393009351387;
      result.{31, 3} <- -0.6916059470489090194;
      result.{33, 3} <- 1.3746470322173161221;
      result.{35, 3} <- -1.4126128673922561809;
      result.{46, 3} <- 0.36685490255855924707;
      result.{48, 3} <- -1.5916400393009351387;
      result.{50, 3} <- 3.1497120394911252077;
      result.{52, 3} <- -3.1586983973799809;
      result.{54, 3} <- 1.62697843363992129;
      result.{ 3, 4} <- -0.83466307816035426155;
      result.{ 8, 4} <- -0.2070544267420625878;
      result.{10, 4} <- 2.3149388661875113029;
      result.{19, 4} <- 0.40297913150666282783;
      result.{21, 4} <- -2.9546917977869539993;
      result.{30, 4} <- 0.2070544267420625878;
      result.{32, 4} <- -0.40297913150666282783;
      result.{36, 4} <- 1.7063893769835631924;
      result.{47, 4} <- 0.83466307816035426155;
      result.{49, 4} <- -2.3149388661875113029;
      result.{51, 4} <- 2.9546917977869539993;
      result.{53, 4} <- -1.7063893769835631924;
      result.{ 5, 5} <- -0.43101816018790287844;
      result.{12, 5} <- -0.4187881980957120927;
      result.{14, 5} <- 1.395960660319040309;
      result.{23, 5} <- -0.4187881980957120927;
      result.{25, 5} <- 1.3623181102386339839;
      result.{27, 5} <- -2.2335370565104644944;
      result.{38, 5} <- -0.43101816018790287844;
      result.{40, 5} <- 1.395960660319040309;
      result.{42, 5} <- -2.2335370565104644944;
      result.{44, 5} <- 1.9703687322875560157;
      result.{ 1, 6} <- -0.37548796377180986812;
      result.{ 6, 6} <- 1.4661859659554465543;
      result.{11, 6} <- 0.12089373945199884835;
      result.{13, 6} <- -0.21236437647040795145;
      result.{15, 6} <- -2.417874789039976967;
      result.{22, 6} <- 0.20206443016189559856;
      result.{24, 6} <- -0.79143530297864839268;
      result.{26, 6} <- 1.0552470706381978569;
      result.{28, 6} <- 1.6165154412951647885;
      result.{37, 6} <- 0.27320762396104757397;
      result.{39, 6} <- -1.2199404645272449631;
      result.{41, 6} <- 2.417874789039976967;
      result.{43, 6} <- -2.16878304804843549;
      result.{ 2, 7} <- -0.27320762396104757397;
      result.{ 7, 7} <- -0.20206443016189559856;
      result.{ 9, 7} <- 1.2199404645272449631;
      result.{16, 7} <- -0.12089373945199884835;
      result.{18, 7} <- 0.79143530297864839268;
      result.{20, 7} <- -2.417874789039976967;
      result.{31, 7} <- 0.21236437647040795145;
      result.{33, 7} <- -1.0552470706381978569;
      result.{35, 7} <- 2.16878304804843549;
      result.{46, 7} <- 0.37548796377180986812;
      result.{48, 7} <- -1.4661859659554465543;
      result.{50, 7} <- 2.417874789039976967;
      result.{52, 7} <- -1.6165154412951647885;
      result.{ 3, 8} <- 0.80430146722719804411;
      result.{ 8, 8} <- -0.39904527606894581113;
      result.{10, 8} <- -1.7845847267806657796;
      result.{17, 8} <- -0.59316922059788797031;
      result.{19, 8} <- 1.5532816304615888184;
      result.{21, 8} <- 1.4236061294349311288;
      result.{30, 8} <- -0.39904527606894581113;
      result.{32, 8} <- 1.5532816304615888184;
      result.{34, 8} <- -2.5007351860179508607;
      result.{47, 8} <- 0.80430146722719804411;
      result.{49, 8} <- -1.7845847267806657796;
      result.{51, 8} <- 1.4236061294349311288;
      result.{ 5, 9} <- 0.83067898344030094085;
      result.{12, 9} <- 0.26903627024228973454;
      result.{14, 9} <- -2.1522901619383178764;
      result.{23, 9} <- -0.26903627024228973454;
      result.{27, 9} <- 2.1522901619383178764;
      result.{38, 9} <- -0.83067898344030094085;
      result.{40, 9} <- 2.1522901619383178764;
      result.{42, 9} <- -2.1522901619383178764;
      result.{ 1,10} <-  0.39636409043643194293;
      result.{ 4,10} <-  -0.34393377440500167929;
      result.{ 6,10} <-  -1.2037682104175058775;
      result.{11,10} <-  -0.29776858550677551679;
      result.{13,10} <-  1.5691988753163563388;
      result.{15,10} <-  1.1910743420271020672;
      result.{24,10} <-  0.64978432507844251538;
      result.{26,10} <-  -2.5991373003137700615;
      result.{37,10} <-  0.48066206207978815025;
      result.{39,10} <-  -1.6693261563207085231;
      result.{41,10} <-  1.9851239033785034453;
      result.{ 2,11} <-  0.48066206207978815025;
      result.{ 9,11} <-  -1.6693261563207085231;
      result.{16,11} <-  -0.29776858550677551679;
      result.{18,11} <-  0.64978432507844251538;
      result.{20,11} <-  1.9851239033785034453;
      result.{29,11} <-  -0.34393377440500167929;
      result.{31,11} <-  1.5691988753163563388;
      result.{33,11} <-  -2.5991373003137700615;
      result.{46,11} <-  0.39636409043643194293;
      result.{48,11} <-  -1.2037682104175058775;
      result.{50,11} <-  1.1910743420271020672;
      result.{ 3,12} <-  -0.74463846463549402274;
      result.{ 8,12} <-  1.2930544805637086353;
      result.{10,12} <-  0.96378590571704436469;
      result.{19,12} <-  -2.5166038696554342464;
      result.{30,12} <-  -1.2930544805637086353;
      result.{32,12} <-  2.5166038696554342464;
      result.{47,12} <-  0.74463846463549402274;
      result.{49,12} <-  -0.96378590571704436469;
      result.{ 5,13} <-  -1.1535889489914915606;
      result.{12,13} <-  0.87177715295353129935;
      result.{14,13} <-  1.7435543059070625987;
      result.{23,13} <-  0.87177715295353129935;
      result.{25,13} <-  -2.8358912905407192076;
      result.{38,13} <-  -1.1535889489914915606;
      result.{40,13} <-  1.7435543059070625987;
      result.{ 1,14} <-  -0.44314852502786805507;
      result.{ 4,14} <-  0.96132412415957630049;
      result.{ 6,14} <-  0.76905929932766104039;
      result.{11,14} <-  -0.33291539937855436029;
      result.{13,14} <-  -2.3392235702823930554;
      result.{22,14} <-  -0.83466307816035426155;
      result.{24,14} <-  2.9059238431784376645;
      result.{37,14} <-  0.75235513151094117345;
      result.{39,14} <-  -1.4930907048606177933;
      result.{ 2,15} <-  -0.75235513151094117345;
      result.{ 7,15} <-  0.83466307816035426155;
      result.{ 9,15} <-  1.4930907048606177933;
      result.{16,15} <-  0.33291539937855436029;
      result.{18,15} <-  -2.9059238431784376645;
      result.{29,15} <-  -0.96132412415957630049;
      result.{31,15} <-  2.3392235702823930554;
      result.{46,15} <-  0.44314852502786805507;
      result.{48,15} <-  -0.76905929932766104039;
      result.{ 3,16} <-  0.626706654240043952;
      result.{ 8,16} <-  -2.176535018670731151;
      result.{17,16} <-  3.2353561313826025233;
      result.{30,16} <-  -2.176535018670731151;
      result.{47,16} <-  0.626706654240043952;
      result.{ 5,17} <-  1.2945196985754986958;
      result.{12,17} <-  -2.9348392204684739765;
      result.{23,17} <-  2.9348392204684739765;
      result.{38,17} <-  -1.2945196985754986958;
      result.{ 1,18} <-  0.60904939217552380708;
      result.{ 4,18} <-  -2.3781845426185916576;
      result.{11,18} <-  4.1179360680974030877;
      result.{22,18} <-  -3.4414040330583097636;
      result.{37,18} <-  1.3294455750836041652;
      result.{ 2,19} <-  1.3294455750836041652;
      result.{ 7,19} <-  -3.4414040330583097636;
      result.{16,19} <-  4.1179360680974030877;
      result.{29,19} <-  -2.3781845426185916576;
      result.{46,19} <-  0.60904939217552380708;
      Matrix.of_bigarray_inplace result
    end
  | _ -> invalid_arg "Not implemented"


let index ~nx ~ny ~nz =
  let l = nx + ny + nz in
  ((l-nx)*(l-nx+1))/2 + nz + 1