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backend/node_modules/frac/dist/LICENSE

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+Copyright (C) 2012-present   SheetJS
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.

backend/node_modules/frac/dist/frac.js

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+/* frac.js (C) 2012-present SheetJS -- http://sheetjs.com */
+var frac = function frac(x, D, mixed) {
+  var n1 = Math.floor(x), d1 = 1;
+  var n2 = n1+1, d2 = 1;
+  if(x !== n1) while(d1 <= D && d2 <= D) {
+    var m = (n1 + n2) / (d1 + d2);
+    if(x === m) {
+      if(d1 + d2 <= D) { d1+=d2; n1+=n2; d2=D+1; }
+      else if(d1 > d2) d2=D+1;
+      else d1=D+1;
+      break;
+    }
+    else if(x < m) { n2 = n1+n2; d2 = d1+d2; }
+    else { n1 = n1+n2; d1 = d1+d2; }
+  }
+  if(d1 > D) { d1 = d2; n1 = n2; }
+  if(!mixed) return [0, n1, d1];
+  var q = Math.floor(n1/d1);
+  return [q, n1 - q*d1, d1];
+};
+frac.cont = function cont(x, D, mixed) {
+  var sgn = x < 0 ? -1 : 1;
+  var B = x * sgn;
+  var P_2 = 0, P_1 = 1, P = 0;
+  var Q_2 = 1, Q_1 = 0, Q = 0;
+  var A = Math.floor(B);
+  while(Q_1 < D) {
+    A = Math.floor(B);
+    P = A * P_1 + P_2;
+    Q = A * Q_1 + Q_2;
+    if((B - A) < 0.00000005) break;
+    B = 1 / (B - A);
+    P_2 = P_1; P_1 = P;
+    Q_2 = Q_1; Q_1 = Q;
+  }
+  if(Q > D) { if(Q_1 > D) { Q = Q_2; P = P_2; } else { Q = Q_1; P = P_1; } }
+  if(!mixed) return [0, sgn * P, Q];
+  var q = Math.floor(sgn * P/Q);
+  return [q, sgn*P - q*Q, Q];
+};
+// eslint-disable-next-line no-undef
+if(typeof module !== 'undefined' && typeof DO_NOT_EXPORT_FRAC === 'undefined') module.exports = frac;

backend/node_modules/frac/dist/frac.min.js

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+/* frac.js (C) 2012-present SheetJS -- http://sheetjs.com */
+var frac=function frac(x,D,mixed){var n1=Math.floor(x),d1=1;var n2=n1+1,d2=1;if(x!==n1)while(d1<=D&&d2<=D){var m=(n1+n2)/(d1+d2);if(x===m){if(d1+d2<=D){d1+=d2;n1+=n2;d2=D+1}else if(d1>d2)d2=D+1;else d1=D+1;break}else if(x<m){n2=n1+n2;d2=d1+d2}else{n1=n1+n2;d1=d1+d2}}if(d1>D){d1=d2;n1=n2}if(!mixed)return[0,n1,d1];var q=Math.floor(n1/d1);return[q,n1-q*d1,d1]};frac.cont=function cont(x,D,mixed){var sgn=x<0?-1:1;var B=x*sgn;var P_2=0,P_1=1,P=0;var Q_2=1,Q_1=0,Q=0;var A=Math.floor(B);while(Q_1<D){A=Math.floor(B);P=A*P_1+P_2;Q=A*Q_1+Q_2;if(B-A<5e-8)break;B=1/(B-A);P_2=P_1;P_1=P;Q_2=Q_1;Q_1=Q}if(Q>D){if(Q_1>D){Q=Q_2;P=P_2}else{Q=Q_1;P=P_1}}if(!mixed)return[0,sgn*P,Q];var q=Math.floor(sgn*P/Q);return[q,sgn*P-q*Q,Q]};if(typeof module!=="undefined"&&typeof DO_NOT_EXPORT_FRAC==="undefined")module.exports=frac;

backend/node_modules/frac/dist/frac.min.map

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