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Diffstat (limited to 'content')
| -rwxr-xr-x | content/Informatique/2021-01-03-calligraphie.rst | 106 | ||||
| -rwxr-xr-x | content/pages/script.it/script.js | 3286 | ||||
| -rwxr-xr-x | content/pages/script.it/script.rst | 26 | ||||
| -rwxr-xr-x | content/pages/script.it/worker.js | 2351 |
4 files changed, 5769 insertions, 0 deletions
diff --git a/content/Informatique/2021-01-03-calligraphie.rst b/content/Informatique/2021-01-03-calligraphie.rst new file mode 100755 index 0000000..3fd6e30 --- /dev/null +++ b/content/Informatique/2021-01-03-calligraphie.rst @@ -0,0 +1,106 @@ +.. -*- mode: rst -*- +.. -*- coding: utf-8 -*- + +================================ +De la calligraphie en javascript +================================ + +:date: 2021-01-03 +:tags: javascript +:summary: |summary| + +.. default-role:: literal + +.. |summary| replace:: + + Un petit bilan après avoir réalisé une application de calligraphie sur le + blog :) + +À la suite de mon article précédent, j'ai essayé d'aller un peu plus loin dans +ce qu'il était possible de faire en javascript. La page pour construire les +graphes montrait déjà qu'il était possible de charger du javascript dans la +page, et modifier directement le contenu du blog à partir du code exécuté. + +En suivant toujours la même démarche (code en OCaml, compilé en javascript), +j'ai mis en place une *ardoise* dans laquelle je souhaitais retrouver sur PC le +rendu que l'on peut avoir avec une plume dans la main : `l'ardoise calligraphique`_. + +.. _l'ardoise calligraphique: {filename}/pages/script.it/script.rst#ardoise-calligraphique + +Ce que j'ai appris +================== + +Les courbes de beziers ! Je ne pensais pas qu'il y aurait autant à faire avec ! +Pour ceux que cela intéresse, la page `A Primer on Bézier Curves`_ est une +référence avec tout ce qu'il faut pour mettre en place ses propres librairies. + +.. _A Primer on Bézier Curves: https://pomax.github.io/bezierinfo/ + +Afin d'avoir un tracé souple de la courbe, j'ai suivi un document de l'UCLA_ +qui explique comment construire les courbes de beziers en suivant une série de +points, ce qui m'a fait faire un détour par les produits matriciels pour +résoudre ce genre d'équations : + +.. _ucla: https://www.math.ucla.edu/~baker/149.1.02w/handouts/dd_splines.pdf + +.. math:: + + \begin{bmatrix}4 && 1 && 0 && 0 \\\\ 1 && 4 && 1 && 0 \\\\0 && 1 && 4 && 1 \\\\0 && 0 && 1 && 4 \end{bmatrix} + \begin{bmatrix} B_1 \\\\ B_2 \\\\ B_3 \\\\ B_4 \end{bmatrix} + = + \begin{bmatrix} (6 S_1 - S_0) \\\\ 6S_2 \\\\ 6 S_3 \\\\ (6S_4 - S_5) \end{bmatrix} + +A priori, il n'existe pas de librairie pour faire de la réduction de matrice en +javascript, mais l'avantage d'utiliser OCaml est d'avoir sous la main `quelques +librairies`_ permettant de faire le boulot directement. + +.. _quelques librairies: https://github.com/kandluis/ocaml-matrix + +Ensuite, travailler le DOM. Vu que le site est statique, j'ai choisi de +modifier la page directement à partir du code javascript. En ajoutant un +élément, en retirant ceux dont je n'avais nécessité, cela permet de changer +l'apparence directement pour se construire son application. Cela m'a permis de +me plonger dans la librairie `brr`_ qui permet d'interagir avec la page via +des évènements fonctionnels. + +.. _brr: https://erratique.ch/software/brr + +Enfin, les webWorkers_, qui sont des threads pouvant être lancés dans le code +javascript. Dans l'application, je les utilise pour *lisser* la courbe une fois +que celle-ci a été construite une première fois. + +.. _webworkers: https://developer.mozilla.org/fr/docs/Web/API/Web_Workers_API/Utilisation_des_web_workers + +Ce qu'il faudrait continuer +=========================== + +Il me manque tout un cadre mathématique pour aller plus loin, j'aurai par +exemple besoin de déterminer l'extrémité_ exacte de la courbe afin de traiter +ces cas de manière précise, et j'ai besoin de comprendre le code avant de m'y +mettre… + +.. _extrémité: https://pomax.github.io/bezierinfo/#extremities + +Par conséquent, l'export SVG est un peu biaisé, on retrouve bien ce qui est +affiché sur l'écran, mais cela donne quelque chose qui n'est pas vraiment +éditable comme je l'aurai souhaité. + +Il faudrait aussi aller plus loin dans les mouvements de plumes, permettre des +rotations locales, juste sur un segment et non pas sur la totalité du tracé, +enfin des petits ajustements pour qu'il y ait vraiment une plus-value. + +D'autres pistes +=============== + +Cela m'a aussi donné d'autres pistes pour continuer avec javascript et le blog. +En utilisant l'API `Web Storage`_, on peut également stocker des données comme +si l'on travaillait sur un fichier, les données étant stockées dans l'espace du +navigateur. En combinant cela avec le côté statique du site, je pense à une +page de prise de note, qui dont le code serait uniquement exécuté dans le +navigateur, sans avoir besoin de serveur comme support. + +.. _web storage: https://developer.mozilla.org/fr/docs/Web/API/Web_Storage_API + +Le blog offrant un espace dans lequel je peux mettre en ligne mes applications, +cela me donne envie de continuer et m'en servir comme petit terrain +d'exipérimentation… diff --git a/content/pages/script.it/script.js b/content/pages/script.it/script.js new file mode 100755 index 0000000..337c80c --- /dev/null +++ b/content/pages/script.it/script.js @@ -0,0 +1,3286 @@ +// Generated by js_of_ocaml 3.8.0 +(function(h){"use strict";var +fV="%Li",gC=" : flags Open_text and Open_binary are not compatible",gj="#81a1c1",gv="Invalid_argument",gJ=",",dE=0.5,dw=1255,f_=255,gI=0x800,ao=0xffff,f9="range",dv="jsError",an=0x8000,gu="%ni",fU="input",gi=12520,bO=256,g3=-646333223,f8=180.,f6="unsupported bigarray 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+f=b.get(a),e=bV(cm(f[1]));for(var +d=0;d<8;d++)c.write(8,e[d]);var +e=bV(cm(f[2]));for(var +d=0;d<8;d++)c.write(8,e[d])}break}g[0]=(4+b.dims.length)*4;g[1]=(4+b.dims.length)*8}function +g_(a){switch(a){case +7:case +10:case +11:return 2;default:return 1}}function +nw(c,e){var +b=h,a;switch(c){case +0:a=b.Float32Array;break;case +1:a=b.Float64Array;break;case +2:a=b.Int8Array;break;case +3:a=b.Uint8Array;break;case +4:a=b.Int16Array;break;case +5:a=b.Uint16Array;break;case +6:a=b.Int32Array;break;case +7:a=b.Int32Array;break;case +8:a=b.Int32Array;break;case +9:a=b.Int32Array;break;case +10:a=b.Float32Array;break;case +11:a=b.Float64Array;break;case +12:a=b.Uint8Array;break}if(!a)C("Bigarray.create: unsupported kind");var +d=new +a(e*g_(c));return d}function +dT(c){var +a=new(h.Int32Array)(1);a[0]=c;var +b=new(h.Float32Array)(a.buffer);return b[0]}function +bU(a){return new +g(a[7]<<0|a[6]<<8|a[5]<<16,a[4]<<0|a[3]<<8|a[2]<<16,a[1]<<0|a[0]<<8)}function +dU(d){var +f=d.lo,g=d.mi,b=d.hi,c=(b&0x7fff)>>4;if(c==2047)return(f|g|b&dF)==0?b&an?-Infinity:Infinity:NaN;var +e=Math.pow(2,-24),a=(f*e+g)*e+(b&dF);if(c>0){a+=16;a*=Math.pow(2,c-gY)}else +a*=Math.pow(2,-gw);if(b&an)a=-a;return a}function +dN(b){var +d=b.length,c=1;for(var +a=0;a<d;a++){if(b[a]<0)C("Bigarray.create: negative dimension");c=c*b[a]}return c}function +nQ(b,a){return new +g(b&az,b>>>24&aA|(a&ao)<<8,a>>>16&ao)}function +dV(a){return a.hi32()}function +dW(a){return a.lo32()}var +nx=gX;function +aK(c,d,b,a){this.kind=c;this.layout=d;this.dims=b;this.data=a}aK.prototype.caml_custom=nx;aK.prototype.offset=function(b){var +c=0;if(typeof +b==="number")b=[b];if(!(b +instanceof +Array))C("bigarray.js: invalid offset");if(this.dims.length!=b.length)C("Bigarray.get/set: bad number of dimensions");if(this.layout==0)for(var +a=0;a<this.dims.length;a++){if(b[a]<0||b[a]>=this.dims[a])bn();c=c*this.dims[a]+b[a]}else +for(var +a=this.dims.length-1;a>=0;a--){if(b[a]<1||b[a]>this.dims[a])bn();c=c*this.dims[a]+(b[a]-1)}return c};aK.prototype.get=function(a){switch(this.kind){case +7:var +d=this.data[a*2+0],b=this.data[a*2+1];return nQ(d,b);case +10:case +11:var +e=this.data[a*2+0],c=this.data[a*2+1];return[I,e,c];default:return this.data[a]}};aK.prototype.set=function(a,b){switch(this.kind){case +7:this.data[a*2+0]=dW(b);this.data[a*2+1]=dV(b);break;case +10:case +11:this.data[a*2+0]=b[1];this.data[a*2+1]=b[2];break;default:this.data[a]=b;break}return 0};aK.prototype.fill=function(b){switch(this.kind){case +7:var +c=dW(b),e=dV(b);if(c==e)this.data.fill(c);else +for(var +a=0;a<this.data.length;a++)this.data[a]=a%2==0?c:e;break;case +10:case +11:var +d=b[1],f=b[2];if(d==f)this.data.fill(d);else +for(var +a=0;a<this.data.length;a++)this.data[a]=a%2==0?d:f;break;default:this.data.fill(b);break}};aK.prototype.compare=function(b,g){if(this.layout!=b.layout||this.kind!=b.kind){var +e=this.kind|this.layout<<8,f=b.kind|b.layout<<8;return f-e}if(this.dims.length!=b.dims.length)return b.dims.length-this.dims.length;for(var +a=0;a<this.dims.length;a++)if(this.dims[a]!=b.dims[a])return this.dims[a]<b.dims[a]?-1:1;switch(this.kind){case +0:case +1:case +10:case +11:var +c,d;for(var +a=0;a<this.data.length;a++){c=this.data[a];d=b.data[a];if(c<d)return-1;if(c>d)return 1;if(c!=d){if(!g)return NaN;if(c==c)return 1;if(d==d)return-1}}break;case +7:for(var +a=0;a<this.data.length;a+=2){if(this.data[a+1]<b.data[a+1])return-1;if(this.data[a+1]>b.data[a+1])return 1;if(this.data[a]>>>0<b.data[a]>>>0)return-1;if(this.data[a]>>>0>b.data[a]>>>0)return 1}break;case +2:case +3:case +4:case +5:case +6:case +8:case +9:case +12:for(var +a=0;a<this.data.length;a++){if(this.data[a]<b.data[a])return-1;if(this.data[a]>b.data[a])return 1}break}return 0};function +bm(c,d,b,a){this.kind=c;this.layout=d;this.dims=b;this.data=a}bm.prototype=new +aK();bm.prototype.offset=function(a){if(typeof +a!=="number")if(a +instanceof +Array&&a.length==1)a=a[0];else +C("Ml_Bigarray_c_1_1.offset");if(a<0||a>=this.dims[0])bn();return a};bm.prototype.get=function(a){return this.data[a]};bm.prototype.set=function(a,b){this.data[a]=b;return 0};bm.prototype.fill=function(a){this.data.fill(a);return 0};function +g8(c,d,a,b){var +e=g_(c);if(dN(a)*e!=b.length)C("length doesn't match dims");if(d==0&&a.length==1&&e==1)return new +bm(c,d,a,b);return new +aK(c,d,a,b)}function +ar(a){dZ(u.Failure,a)}function +g9(b,v,r){var +i=b.read32s();if(i<0||i>16)ar("input_value: wrong number of bigarray dimensions");var +p=b.read32s(),j=p&aA,o=p>>8&1,h=[];if(r==dI)for(var +a=0;a<i;a++){var +n=b.read16u();if(n==ao){var +t=b.read32u(),u=b.read32u();if(t!=0)ar("input_value: bigarray dimension overflow in 32bit");n=u}h.push(n)}else +for(var +a=0;a<i;a++)h.push(b.read32u());var +d=dN(h),f=nw(j,d),g=g8(j,o,h,f);switch(j){case +2:for(var +a=0;a<d;a++)f[a]=b.read8s();break;case +3:case +12:for(var +a=0;a<d;a++)f[a]=b.read8u();break;case +4:for(var +a=0;a<d;a++)f[a]=b.read16s();break;case +5:for(var +a=0;a<d;a++)f[a]=b.read16u();break;case +6:for(var +a=0;a<d;a++)f[a]=b.read32s();break;case +8:case +9:var +s=b.read8u();if(s)ar("input_value: cannot read bigarray with 64-bit OCaml ints");for(var +a=0;a<d;a++)f[a]=b.read32s();break;case +7:var +e=new +Array(8);for(var +a=0;a<d;a++){for(var +c=0;c<8;c++)e[c]=b.read8u();var +q=bU(e);g.set(a,q)}break;case +1:var +e=new +Array(8);for(var +a=0;a<d;a++){for(var +c=0;c<8;c++)e[c]=b.read8u();var +k=dU(bU(e));g.set(a,k)}break;case +0:for(var +a=0;a<d;a++){var +k=dT(b.read32s());g.set(a,k)}break;case +10:for(var +a=0;a<d;a++){var +m=dT(b.read32s()),l=dT(b.read32s());g.set(a,[I,m,l])}break;case +11:var +e=new +Array(8);for(var +a=0;a<d;a++){for(var +c=0;c<8;c++)e[c]=b.read8u();var +m=dU(bU(e));for(var +c=0;c<8;c++)e[c]=b.read8u();var +l=dU(bU(e));g.set(a,[I,m,l])}break}v[0]=(4+i)*4;return g8(j,o,h,f)}function +g7(a,b,c){return a.compare(b,c)}function +cq(a,b){return Math.imul(a,b)}function +K(b,a){a=cq(a,0xcc9e2d51|0);a=a<<15|a>>>32-15;a=cq(a,0x1b873593);b^=a;b=b<<13|b>>>32-13;return(b+(b<<2)|0)+(0xe6546b64|0)|0}function +nK(a,b){a=K(a,dW(b));a=K(a,dV(b));return a}function +dQ(a,b){return nK(a,cm(b))}function +g$(c){var +b=dN(c.dims),d=0;switch(c.kind){case +2:case +3:case +12:if(b>bO)b=bO;var +e=0,a=0;for(a=0;a+4<=c.data.length;a+=4){e=c.data[a+0]|c.data[a+1]<<8|c.data[a+2]<<16|c.data[a+3]<<24;d=K(d,e)}e=0;switch(b&3){case +3:e=c.data[a+2]<<16;case +2:e|=c.data[a+1]<<8;case +1:e|=c.data[a+0];d=K(d,e)}break;case +4:case +5:if(b>bP)b=bP;var +e=0,a=0;for(a=0;a+2<=c.data.length;a+=2){e=c.data[a+0]|c.data[a+1]<<16;d=K(d,e)}if((b&1)!=0)d=K(d,c.data[a]);break;case +6:if(b>64)b=64;for(var +a=0;a<b;a++)d=K(d,c.data[a]);break;case +8:case +9:if(b>64)b=64;for(var +a=0;a<b;a++)d=K(d,c.data[a]);break;case +7:if(b>32)b=32;b*=2;for(var +a=0;a<b;a++)d=K(d,c.data[a]);break;case +10:b*=2;case +0:if(b>64)b=64;for(var +a=0;a<b;a++)d=dQ(d,c.data[a]);break;case +11:b*=2;case +1:if(b>32)b=32;for(var +a=0;a<b;a++)d=dQ(d,c.data[a]);break}return d}function +nO(a,b){b[0]=4;return a.read32s()}function +ob(a,b){switch(a.read8u()){case +1:b[0]=4;return a.read32s();case +2:ar("input_value: native integer value too large");default:ar("input_value: ill-formed native integer")}}function +nZ(c,d){var +b=new +Array(8);for(var +a=0;a<8;a++)b[a]=c.read8u();d[0]=8;return bU(b)}function +nV(e,d,b){var +c=bV(d);for(var +a=0;a<8;a++)e.write(8,c[a]);b[0]=8;b[1]=8}function +nP(a,b,c){return a.compare(b)}function +nS(a){return a.lo32()^a.hi32()}var +bT={"_j":{deserialize:nZ,serialize:nV,fixed_length:8,compare:nP,hash:nS},"_i":{deserialize:nO,fixed_length:4},"_n":{deserialize:ob,fixed_length:4},"_bigarray":{deserialize:function(a,b){return g9(a,b,gX)},serialize:ha,compare:g7,hash:g$},"_bigarr02":{deserialize:function(a,b){return g9(a,b,dI)},serialize:ha,compare:g7,hash:g$}};function +dO(a){return bT[a.caml_custom]&&bT[a.caml_custom].compare}function +he(f,c,d,e){var +b=dO(c);if(b){var +a=d>0?b(c,f,e):b(f,c,e);if(e&&a!=a)return d;if(+a!=+a)return+a;if((a|0)!=0)return a|0}return d}function +bW(a){return a +instanceof +aB}function +co(a){return bW(a)}function +hf(a){if(typeof +a==="number")return bK;else +if(bW(a))return dG;else +if(co(a))return 1252;else +if(a +instanceof +Array&&a[0]===a[0]>>>0&&a[0]<=f_){var +b=a[0]|0;return b==I?0:b}else +if(a +instanceof +String)return gi;else +if(typeof +a=="string")return gi;else +if(a +instanceof +Number)return bK;else +if(a&&a.caml_custom)return dw;else +if(a&&a.compare)return 1256;else +if(typeof +a=="function")return 1247;else +if(typeof +a=="symbol")return 1251;return 1001}function +hk(a,b){if(a<b)return-1;if(a==b)return 0;return 1}function +hc(a,b){a.t&6&&aO(a);b.t&6&&aO(b);return a.c<b.c?-1:a.c>b.c?1:0}function +ov(a,b){return hc(a,b)}function +bR(a,b,d){var +e=[];for(;;){if(!(d&&a===b)){var +f=hf(a);if(f==ch){a=a[1];continue}var 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1;if(a!=b){if(!d)return NaN;if(a==a)return 1;if(b==b)return-1}break;case +1001:if(a<b)return-1;if(a>b)return 1;if(a!=b){if(!d)return NaN;if(a==a)return 1;if(b==b)return-1}break;case +1251:if(a!==b){if(!d)return NaN;return 1}break;case +1252:var +a=as(a),b=as(b);if(a!==b){if(a<b)return-1;if(a>b)return 1}break;case +12520:var +a=a.toString(),b=b.toString();if(a!==b){if(a<b)return-1;if(a>b)return 1}break;case +246:case +254:default:if(a.length!=b.length)return a.length<b.length?-1:1;if(a.length>1)e.push(a,b,1);break}}if(e.length==0)return 0;var +h=e.pop();b=e.pop();a=e.pop();if(h+1<a.length)e.push(a,b,h+1);a=a[h];b=b[h]}}function +aD(a,b){return+(bR(a,b,false)==0)}function +nD(a,c,b,d){if(b>0)if(c==0&&(b>=a.l||a.t==2&&b>=a.c.length))if(d==0){a.c=f;a.t=2}else{a.c=bq(b,String.fromCharCode(d));a.t=b==a.l?0:2}else{if(a.t!=4)ck(a);for(b+=c;c<b;c++)a.c[c]=d}return 0}function +nE(a,b){if(a===b)return 0;if(a<b)return-1;if(a>b)return 1;if(a===a)return 1;if(b===b)return-1;return 0}function +dY(d){d=as(d);var +e=d.length;if(e>31)C("format_int: format too long");var +a={justify:bk,signstyle:aX,filler:ac,alternate:false,base:0,signedconv:false,width:0,uppercase:false,sign:1,prec:-1,conv:"f"};for(var +c=0;c<e;c++){var +b=d.charAt(c);switch(b){case"-":a.justify=aX;break;case"+":case" ":a.signstyle=b;break;case"0":a.filler=T;break;case"#":a.alternate=true;break;case"1":case"2":case"3":case"4":case"5":case"6":case"7":case"8":case"9":a.width=0;while(b=d.charCodeAt(c)-48,b>=0&&b<=9){a.width=a.width*10+b;c++}c--;break;case".":a.prec=0;c++;while(b=d.charCodeAt(c)-48,b>=0&&b<=9){a.prec=a.prec*10+b;c++}c--;case"d":case"i":a.signedconv=true;case"u":a.base=10;break;case"x":a.base=16;break;case"X":a.base=16;a.uppercase=true;break;case"o":a.base=8;break;case"e":case"f":case"g":a.signedconv=true;a.conv=b;break;case"E":case"F":case"G":a.signedconv=true;a.uppercase=true;a.conv=b.toLowerCase();break}}return a}function +dP(a,g){if(a.uppercase)g=g.toUpperCase();var 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this.fs.fstatSync(this.fd).size}catch(a){s(a.toString())}};aq.prototype.write=function(f,b,c,e){var +a=nv(b);if(!(a +instanceof +h.Uint8Array))a=new(h.Uint8Array)(a);var +d=h.Buffer.from(a);try{this.fs.writeSync(this.fd,d,c,e,f)}catch(a){s(a.toString())}return 0};aq.prototype.read=function(g,d,c,f){var +a=nu(d);if(!(a +instanceof +h.Uint8Array))a=new(h.Uint8Array)(a);var +e=h.Buffer.from(a);try{this.fs.readSync(this.fd,e,c,f,g)}catch(a){s(a.toString())}for(var +b=0;b<f;b++)aZ(d,c+b,e[c+b]);return 0};aq.prototype.read_one=function(c){var +b=new(h.Uint8Array)(1),a=h.Buffer.from(b);try{this.fs.readSync(this.fd,a,0,1,c)}catch(a){s(a.toString())}return a[0]};aq.prototype.close=function(){try{this.fs.closeSync(this.fd)}catch(a){s(a.toString())}};aq.prototype.constructor=aq;function +ap(a){this.fs=require("fs");this.root=a}ap.prototype.nm=function(a){return this.root+a};ap.prototype.exists=function(a){try{return 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+d5(){w(b0)}function +q(a,c,b){b&=af;if(a.t!=4){if(c==a.c.length){a.c+=String.fromCharCode(b);if(c+1==a.l)a.t=0;return 0}bi(a)}a.c[c]=b;return 0}function +aA(b,a,c){if(a>>>0>=b.l)d5();return q(b,a,c)}function +a3(a,b){switch(a.t&6){default:if(b>=a.c.length)return 0;case +0:return a.c.charCodeAt(b);case +4:return a.c[b]}}function +ar(c,a){if(c.fun)return ar(c.fun,a);if(typeof +c!=="function")return c;var +b=c.length|0;if(b===0)return c.apply(null,a);var +e=a.length|0,d=b-e|0;if(d==0)return c.apply(null,a);else +if(d<0)return ar(c.apply(null,a.slice(0,b)),a.slice(b));else +return function(){var +e=arguments.length==0?1:arguments.length,d=new +Array(a.length+e);for(var +b=0;b<a.length;b++)d[b]=a[b];for(var +b=0;b<arguments.length;b++)d[a.length+b]=arguments[b];return ar(c,d)}}function +b(a,b){if(b>>>0>=a.length-1)aL();return a}function +il(a){if(isFinite(a)){if(Math.abs(a)>=2.2250738585072014e-308)return 0;if(a!=0)return 1;return 2}return isNaN(a)?4:3}function +v(a){if(a<0)w("Bytes.create");return new +ag(a?2:9,e,a)}function +aj(a){if((a.t&6)!=0)aB(a);return a.c}var +i$=Math.log2&&Math.log2(1.1235582092889474E+307)==1020;function +i_(a){if(i$)return Math.floor(Math.log2(a));var +b=0;if(a==0)return-Infinity;if(a>=1)while(a>=2){a/=2;b++}else +while(a<1){a*=2;b--}return b}function +b7(c){var +a=new(f.Float32Array)(1);a[0]=c;var +b=new(f.Int32Array)(a.buffer);return b[0]|0}var +ec=Math.pow(2,-24);function +ek(a){throw a}function +ce(){ek(r.Division_by_zero)}function +d(b,c,a){this.lo=b&ae;this.mi=c&ae;this.hi=a&V}d.prototype.caml_custom="_j";d.prototype.copy=function(){return new +d(this.lo,this.mi,this.hi)};d.prototype.ucompare=function(a){if(this.hi>a.hi)return 1;if(this.hi<a.hi)return-1;if(this.mi>a.mi)return 1;if(this.mi<a.mi)return-1;if(this.lo>a.lo)return 1;if(this.lo<a.lo)return-1;return 0};d.prototype.compare=function(a){var +b=this.hi<<16,c=a.hi<<16;if(b>c)return 1;if(b<c)return-1;if(this.mi>a.mi)return 1;if(this.mi<a.mi)return-1;if(this.lo>a.lo)return 1;if(this.lo<a.lo)return-1;return 0};d.prototype.neg=function(){var +a=-this.lo,b=-this.mi+(a>>24),c=-this.hi+(b>>24);return new +d(a,b,c)};d.prototype.add=function(a){var +b=this.lo+a.lo,c=this.mi+a.mi+(b>>24),e=this.hi+a.hi+(c>>24);return new +d(b,c,e)};d.prototype.sub=function(a){var +b=this.lo-a.lo,c=this.mi-a.mi+(b>>24),e=this.hi-a.hi+(c>>24);return new +d(b,c,e)};d.prototype.mul=function(a){var +b=this.lo*a.lo,c=(b*ec|0)+this.mi*a.lo+this.lo*a.mi,e=(c*ec|0)+this.hi*a.lo+this.mi*a.mi+this.lo*a.hi;return new +d(b,c,e)};d.prototype.isZero=function(){return(this.lo|this.mi|this.hi)==0};d.prototype.isNeg=function(){return this.hi<<16<0};d.prototype.and=function(a){return new +d(this.lo&a.lo,this.mi&a.mi,this.hi&a.hi)};d.prototype.or=function(a){return new +d(this.lo|a.lo,this.mi|a.mi,this.hi|a.hi)};d.prototype.xor=function(a){return new +d(this.lo^a.lo,this.mi^a.mi,this.hi^a.hi)};d.prototype.shift_left=function(a){a=a&63;if(a==0)return this;if(a<24)return new +d(this.lo<<a,this.mi<<a|this.lo>>24-a,this.hi<<a|this.mi>>24-a);if(a<48)return new +d(0,this.lo<<a-24,this.mi<<a-24|this.lo>>48-a);return new +d(0,0,this.lo<<a-48)};d.prototype.shift_right_unsigned=function(a){a=a&63;if(a==0)return this;if(a<24)return new +d(this.lo>>a|this.mi<<24-a,this.mi>>a|this.hi<<24-a,this.hi>>a);if(a<48)return new +d(this.mi>>a-24|this.hi<<48-a,this.hi>>a-24,0);return new +d(this.hi>>a-48,0,0)};d.prototype.shift_right=function(a){a=a&63;if(a==0)return this;var +c=this.hi<<16>>16;if(a<24)return new +d(this.lo>>a|this.mi<<24-a,this.mi>>a|c<<24-a,this.hi<<16>>a>>>16);var +b=this.hi<<16>>31;if(a<48)return new +d(this.mi>>a-24|this.hi<<48-a,this.hi<<16>>a-24>>16,b&V);return new +d(this.hi<<16>>a-32,b,b)};d.prototype.lsl1=function(){this.hi=this.hi<<1|this.mi>>23;this.mi=(this.mi<<1|this.lo>>23)&ae;this.lo=this.lo<<1&ae};d.prototype.lsr1=function(){this.lo=(this.lo>>>1|this.mi<<23)&ae;this.mi=(this.mi>>>1|this.hi<<23)&ae;this.hi=this.hi>>>1};d.prototype.udivmod=function(f){var +c=0,b=this.copy(),a=f.copy(),e=new +d(0,0,0);while(b.ucompare(a)>0){c++;a.lsl1()}while(c>=0){c--;e.lsl1();if(b.ucompare(a)>=0){e.lo++;b=b.sub(a)}a.lsr1()}return{quotient:e,modulus:b}};d.prototype.div=function(a){var +b=this;if(a.isZero())ce();var +d=b.hi^a.hi;if(b.hi&U)b=b.neg();if(a.hi&U)a=a.neg();var +c=b.udivmod(a).quotient;if(d&U)c=c.neg();return c};d.prototype.mod=function(b){var +a=this;if(b.isZero())ce();var +d=a.hi;if(a.hi&U)a=a.neg();if(b.hi&U)b=b.neg();var +c=a.udivmod(b).modulus;if(d&U)c=c.neg();return c};d.prototype.toInt=function(){return this.lo|this.mi<<24};d.prototype.toFloat=function(){return(this.hi<<16)*Math.pow(2,32)+this.mi*Math.pow(2,24)+this.lo};d.prototype.toArray=function(){return[this.hi>>8,this.hi&af,this.mi>>16,this.mi>>8&af,this.mi&af,this.lo>>16,this.lo>>8&af,this.lo&af]};d.prototype.lo32=function(){return this.lo|(this.mi&af)<<24};d.prototype.hi32=function(){return this.mi>>>8&V|this.hi<<16};function +bl(b,c,a){return new +d(b,c,a)}function +bk(a){if(!isFinite(a)){if(isNaN(a))return bl(1,0,df);return a>0?bl(0,0,df):bl(0,0,0xfff0)}var +f=a==0&&1/a==-Infinity?U:a>=0?0:U;if(f)a=-a;var +b=i_(a)+1023;if(b<=0){b=0;a/=Math.pow(2,-c7)}else{a/=Math.pow(2,b-dP);if(a<16){a*=2;b-=1}if(b==0)a/=2}var +d=Math.pow(2,24),c=a|0;a=(a-c)*d;var +e=a|0;a=(a-e)*d;var +g=a|0;c=c&bS|f|b<<4;return bl(g,e,c)}function +a7(a){return a.toArray()}function +d4(c,b,g){c.write(32,b.dims.length);c.write(32,b.kind|b.layout<<8);if(b.caml_custom==bZ)for(var 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+f=b.get(a),e=a7(bk(f[1]));for(var +d=0;d<8;d++)c.write(8,e[d]);var +e=a7(bk(f[2]));for(var +d=0;d<8;d++)c.write(8,e[d])}break}g[0]=(4+b.dims.length)*4;g[1]=(4+b.dims.length)*8}function +d2(a){switch(a){case +7:case +10:case +11:return 2;default:return 1}}function +ie(c,e){var +b=f,a;switch(c){case +0:a=b.Float32Array;break;case +1:a=b.Float64Array;break;case +2:a=b.Int8Array;break;case +3:a=b.Uint8Array;break;case +4:a=b.Int16Array;break;case +5:a=b.Uint16Array;break;case +6:a=b.Int32Array;break;case +7:a=b.Int32Array;break;case +8:a=b.Int32Array;break;case +9:a=b.Int32Array;break;case +10:a=b.Float32Array;break;case +11:a=b.Float64Array;break;case +12:a=b.Uint8Array;break}if(!a)w("Bigarray.create: unsupported kind");var +d=new +a(e*d2(c));return d}function +b8(c){var +a=new(f.Int32Array)(1);a[0]=c;var +b=new(f.Float32Array)(a.buffer);return b[0]}function +a6(a){return new +d(a[7]<<0|a[6]<<8|a[5]<<16,a[4]<<0|a[3]<<8|a[2]<<16,a[1]<<0|a[0]<<8)}function +b9(d){var +f=d.lo,g=d.mi,b=d.hi,c=(b&0x7fff)>>4;if(c==2047)return(f|g|b&bS)==0?b&U?-Infinity:Infinity:NaN;var +e=Math.pow(2,-24),a=(f*e+g)*e+(b&bS);if(c>0){a+=16;a*=Math.pow(2,c-dP)}else +a*=Math.pow(2,-c7);if(b&U)a=-a;return a}function +b3(b){var +d=b.length,c=1;for(var +a=0;a<d;a++){if(b[a]<0)w("Bigarray.create: negative dimension");c=c*b[a]}return c}function +iv(b,a){return new +d(b&ae,b>>>24&af|(a&V)<<8,a>>>16&V)}function +b_(a){return a.hi32()}function +b$(a){return a.lo32()}var +ig=dL;function +ao(c,d,b,a){this.kind=c;this.layout=d;this.dims=b;this.data=a}ao.prototype.caml_custom=ig;ao.prototype.offset=function(b){var +c=0;if(typeof +b==="number")b=[b];if(!(b +instanceof +Array))w("bigarray.js: invalid offset");if(this.dims.length!=b.length)w("Bigarray.get/set: bad number of dimensions");if(this.layout==0)for(var +a=0;a<this.dims.length;a++){if(b[a]<0||b[a]>=this.dims[a])aL();c=c*this.dims[a]+b[a]}else +for(var +a=this.dims.length-1;a>=0;a--){if(b[a]<1||b[a]>this.dims[a])aL();c=c*this.dims[a]+(b[a]-1)}return c};ao.prototype.get=function(a){switch(this.kind){case +7:var +d=this.data[a*2+0],b=this.data[a*2+1];return iv(d,b);case +10:case +11:var +e=this.data[a*2+0],c=this.data[a*2+1];return[an,e,c];default:return this.data[a]}};ao.prototype.set=function(a,b){switch(this.kind){case +7:this.data[a*2+0]=b$(b);this.data[a*2+1]=b_(b);break;case +10:case +11:this.data[a*2+0]=b[1];this.data[a*2+1]=b[2];break;default:this.data[a]=b;break}return 0};ao.prototype.fill=function(b){switch(this.kind){case +7:var +c=b$(b),e=b_(b);if(c==e)this.data.fill(c);else +for(var +a=0;a<this.data.length;a++)this.data[a]=a%2==0?c:e;break;case +10:case +11:var +d=b[1],f=b[2];if(d==f)this.data.fill(d);else +for(var +a=0;a<this.data.length;a++)this.data[a]=a%2==0?d:f;break;default:this.data.fill(b);break}};ao.prototype.compare=function(b,g){if(this.layout!=b.layout||this.kind!=b.kind){var +e=this.kind|this.layout<<8,f=b.kind|b.layout<<8;return f-e}if(this.dims.length!=b.dims.length)return b.dims.length-this.dims.length;for(var +a=0;a<this.dims.length;a++)if(this.dims[a]!=b.dims[a])return this.dims[a]<b.dims[a]?-1:1;switch(this.kind){case +0:case +1:case +10:case +11:var +c,d;for(var +a=0;a<this.data.length;a++){c=this.data[a];d=b.data[a];if(c<d)return-1;if(c>d)return 1;if(c!=d){if(!g)return NaN;if(c==c)return 1;if(d==d)return-1}}break;case +7:for(var +a=0;a<this.data.length;a+=2){if(this.data[a+1]<b.data[a+1])return-1;if(this.data[a+1]>b.data[a+1])return 1;if(this.data[a]>>>0<b.data[a]>>>0)return-1;if(this.data[a]>>>0>b.data[a]>>>0)return 1}break;case +2:case +3:case +4:case +5:case +6:case +8:case +9:case +12:for(var +a=0;a<this.data.length;a++){if(this.data[a]<b.data[a])return-1;if(this.data[a]>b.data[a])return 1}break}return 0};function +aK(c,d,b,a){this.kind=c;this.layout=d;this.dims=b;this.data=a}aK.prototype=new +ao();aK.prototype.offset=function(a){if(typeof +a!=="number")if(a +instanceof +Array&&a.length==1)a=a[0];else +w("Ml_Bigarray_c_1_1.offset");if(a<0||a>=this.dims[0])aL();return a};aK.prototype.get=function(a){return this.data[a]};aK.prototype.set=function(a,b){this.data[a]=b;return 0};aK.prototype.fill=function(a){this.data.fill(a);return 0};function +d0(c,d,a,b){var +e=d2(c);if(b3(a)*e!=b.length)w("length doesn't match dims");if(d==0&&a.length==1&&e==1)return new +aK(c,d,a,b);return new +ao(c,d,a,b)}function +Y(a){cd(r.Failure,a)}function +d1(b,v,r){var +i=b.read32s();if(i<0||i>16)Y("input_value: wrong number of bigarray dimensions");var +p=b.read32s(),j=p&af,o=p>>8&1,h=[];if(r==bZ)for(var +a=0;a<i;a++){var +n=b.read16u();if(n==V){var +t=b.read32u(),u=b.read32u();if(t!=0)Y("input_value: bigarray dimension overflow in 32bit");n=u}h.push(n)}else +for(var +a=0;a<i;a++)h.push(b.read32u());var +d=b3(h),f=ie(j,d),g=d0(j,o,h,f);switch(j){case +2:for(var +a=0;a<d;a++)f[a]=b.read8s();break;case +3:case +12:for(var +a=0;a<d;a++)f[a]=b.read8u();break;case +4:for(var +a=0;a<d;a++)f[a]=b.read16s();break;case +5:for(var +a=0;a<d;a++)f[a]=b.read16u();break;case +6:for(var +a=0;a<d;a++)f[a]=b.read32s();break;case +8:case +9:var +s=b.read8u();if(s)Y("input_value: cannot read bigarray with 64-bit OCaml ints");for(var +a=0;a<d;a++)f[a]=b.read32s();break;case +7:var +e=new +Array(8);for(var +a=0;a<d;a++){for(var +c=0;c<8;c++)e[c]=b.read8u();var +q=a6(e);g.set(a,q)}break;case +1:var +e=new +Array(8);for(var +a=0;a<d;a++){for(var +c=0;c<8;c++)e[c]=b.read8u();var +k=b9(a6(e));g.set(a,k)}break;case +0:for(var +a=0;a<d;a++){var +k=b8(b.read32s());g.set(a,k)}break;case +10:for(var +a=0;a<d;a++){var +m=b8(b.read32s()),l=b8(b.read32s());g.set(a,[an,m,l])}break;case +11:var +e=new +Array(8);for(var +a=0;a<d;a++){for(var +c=0;c<8;c++)e[c]=b.read8u();var +m=b9(a6(e));for(var +c=0;c<8;c++)e[c]=b.read8u();var +l=b9(a6(e));g.set(a,[an,m,l])}break}v[0]=(4+i)*4;return d0(j,o,h,f)}function +dZ(a,b,c){return a.compare(b,c)}function +ef(a,b){return Math.imul(a,b)}function +ai(b,a){a=ef(a,0xcc9e2d51|0);a=a<<15|a>>>32-15;a=ef(a,0x1b873593);b^=a;b=b<<13|b>>>32-13;return(b+(b<<2)|0)+(0xe6546b64|0)|0}function +ir(a,b){a=ai(a,b$(b));a=ai(a,b_(b));return a}function +eb(a,b){return ir(a,bk(b))}function +d3(c){var +b=b3(c.dims),d=0;switch(c.kind){case +2:case +3:case +12:if(b>bT)b=bT;var +e=0,a=0;for(a=0;a+4<=c.data.length;a+=4){e=c.data[a+0]|c.data[a+1]<<8|c.data[a+2]<<16|c.data[a+3]<<24;d=ai(d,e)}e=0;switch(b&3){case +3:e=c.data[a+2]<<16;case +2:e|=c.data[a+1]<<8;case +1:e|=c.data[a+0];d=ai(d,e)}break;case +4:case +5:if(b>a2)b=a2;var +e=0,a=0;for(a=0;a+2<=c.data.length;a+=2){e=c.data[a+0]|c.data[a+1]<<16;d=ai(d,e)}if((b&1)!=0)d=ai(d,c.data[a]);break;case +6:if(b>64)b=64;for(var +a=0;a<b;a++)d=ai(d,c.data[a]);break;case +8:case +9:if(b>64)b=64;for(var +a=0;a<b;a++)d=ai(d,c.data[a]);break;case +7:if(b>32)b=32;b*=2;for(var +a=0;a<b;a++)d=ai(d,c.data[a]);break;case +10:b*=2;case 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d$[a.caml_custom]&&d$[a.caml_custom].compare}function +d8(f,c,d,e){var +b=b4(c);if(b){var +a=d>0?b(c,f,e):b(f,c,e);if(e&&a!=a)return d;if(+a!=+a)return+a;if((a|0)!=0)return a|0}return d}function +bm(a){return a +instanceof +ag}function +ca(a){return bm(a)}function +d9(a){if(typeof +a==="number")return a0;else +if(bm(a))return bX;else +if(ca(a))return 1252;else +if(a +instanceof +Array&&a[0]===a[0]>>>0&&a[0]<=du){var +b=a[0]|0;return b==an?0:b}else +if(a +instanceof +String)return dG;else +if(typeof +a=="string")return dG;else +if(a +instanceof +Number)return a0;else +if(a&&a.caml_custom)return bV;else +if(a&&a.compare)return 1256;else +if(typeof +a=="function")return 1247;else +if(typeof +a=="symbol")return 1251;return 1001}function +iF(a,b){if(a<b)return-1;if(a==b)return 0;return 1}function +d6(a,b){a.t&6&&aB(a);b.t&6&&aB(b);return a.c<b.c?-1:a.c>b.c?1:0}function +jb(a,b){return d6(a,b)}function +a4(a,b,d){var +e=[];for(;;){if(!(d&&a===b)){var +f=d9(a);if(f==bh){a=a[1];continue}var 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