Rough implementation of solver + example

src/app/scripts.ts

@@ -1,3 +1,9 @@
+import * as MIP from "../pages/parseMIP.ts"
+import * as LP from "../pages/parseLP.ts"
+import * as LPAPI from "../pages/api/optimizeLP.js"
+
+import * as GLPKAPI from "../solver/glpk.min.js"
+
 export function test() {
   console.log("Dies ist die Testfunktion.");
 }
@@ -5,19 +11,95 @@ export function test() {
 export function calculate_click() {
   console.log("Calculating...");
 
-  let functions:string = document.getElementById('funcs').value;
-  let variables:string = document.getElementById('vars').value;
+  let functions:string|undefined = document.getElementById('funcs').value;
+  let variables:string|undefined = document.getElementById('vars').value;
 
-  let funcs:string[] = functions.split(/; */);
-  let vars:string[] = variables.split(/; */);
+  if (functions == undefined || variables == undefined) return;
+  // let funcs:string[] = functions.split(/;/);
+  // let vars:string[] = variables.split(/;/);
 
+  // let direction = null;
+
+  // let namesVars:string[] = [];
+
+  // let variablesMIP:VariableMIP[];
+  // let variablesLP:VariableLP[];
+
+  // // console.log(vars);
+
+  // for (const decider of vars) {
+
+  //   // match comments
+  //   let regexMatch:RegExpMatchArray|null = decider.match(/#.*/);
+  //   if (regexMatch != null)
+  //     continue;
+
+  //   regexMatch = decider.match(/var/);
+  //   if (regexMatch != null)
+  //     namesVars.push(regexMatch[1]);
+
+
+    
+  //   console.log(regexMatch);
+  // }
+
+
+  // for (const decider of funcs) {
+  //   let dir = decider.match(/(min|max) .*/);
+  //   if (direction != null && dir != null) {
+  //     document.getElementById('out').innerHTML = "ERROR: Multiple Functions!";
+  //     return;
+  //   }
+  //   if (direction == null && dir != null) {
+  //     direction = dir[1];
+  //     let test = parseFunction(decider);
+  //     console.log(test?.name);
+  //     variablesLP.
+  //     continue;
+  //   }
+
+  //   console.log(direction);
+
+  //   document.getElementById('out').innerHTML = direction;
+
+  //   console.log(parseFunction(decider));
+
+  let wholeText:string = functions + "\nGenerals \n"+variables + "End";
+
+  run(wholeText);
+
+
+
+
+  }
+
+  function run(text:string){
+    var lp = GLPKAPI.glp_create_prob();
+    GLPKAPI.glp_read_lp_from_string(lp, null, text);
+
+    GLPKAPI.glp_scale_prob(lp, GLPKAPI.GLP_SF_AUTO);
+
+    var smcp = new GLPKAPI.SMCP({presolve: GLPKAPI.GLP_ON});
+    GLPKAPI.glp_simplex(lp, smcp);
+
+    var iocp = new GLPKAPI.IOCP({presolve: GLPKAPI.GLP_ON});
+    GLPKAPI.glp_intopt(lp, iocp);
+
+    console.log("obj: " + GLPKAPI.glp_mip_obj_val(lp));
+    for(var i = 1; i <= GLPKAPI.glp_get_num_cols(lp); i++){
+      console.log(GLPKAPI.glp_get_col_name(lp, i)  + " = " + GLPKAPI.glp_mip_col_val(lp, i));
+    }
+}
 
   // Irgend ein Interface
   // document.getElementById('out').innerHTML = funcs;
 
   // output.innerHTML = functions.innerHTML;
 
-}
+  // createProblemMIP();
+
+  // LPAPI.default();
+
 
 export function import_click() {
   console.log("Importing...");
@@ -27,4 +109,22 @@ export function import_click() {
 export function export_click() {
   console.log("Exporting...");
 
-}
+}
+
+// function parseFunction(toParse: string) {
+//   var regex = toParse.match(/([a-zA-Z][a-zA-Z0-9]*):/);
+//   if (regex == null)
+//     return;
+//   var name = regex[1];
+
+//   regex = toParse.match(/(?:([0-9]*) *\* *([a-zA-Z][a-zA-Z0-9]*))/g);
+
+//   let coefs:number[] = [];
+//   let vars:string[] = [];
+
+//   for (const rg of regex) {
+//     coefs.push(+rg.match(/([0-9]+)/g));
+//     vars.push(rg.match(/([a-zA-Z][a-zA-Z0-9]*)/g)[0]);
+//   }
+//   return {name, coefs, vars};
+// }