src/pages/api/parseLP.ts

@@ -0,0 +1,36 @@
+type VariableLP = { name: string; coef: number };
+type ConstraintLP = {
+  name: string;
+  vars: VariableLP[];
+  bnds: { ub: number; lb: number };
+};
+
+interface ProblemLP {
+  objective: {
+    vars: VariableLP[];
+  };
+  constraints: ConstraintLP[];
+}
+
+function createProblemLP(
+  objectiveVars: VariableLP[],
+  constraints: { name: string; vars: VariableLP[]; ub: number; lb: number }[]
+): ProblemLP {
+  const constraintsFormatted: ConstraintLP[] = constraints.map((constraint) => ({
+    name: constraint.name,
+    vars: constraint.vars,
+    bnds: {
+      ub: constraint.ub,
+      lb: constraint.lb
+    }
+  }));
+
+  const problem: ProblemLP = {
+    objective: {
+      vars: objectiveVars
+    },
+    constraints: constraintsFormatted
+  };
+
+  return problem;
+}

src/pages/api/parseMIP.ts

@@ -0,0 +1,77 @@
+interface VariableMIP {
+  name: string;
+  coef: number;
+}
+
+interface Bounds {
+  type: number;
+  ub: number;
+  lb: number;
+}
+
+interface ConstraintMIP {
+  name: string;
+  vars: VariableMIP[];
+  bnds: Bounds;
+}
+
+interface Options {
+  mipgap: number;
+  tmlim: number;
+  msglev: number;
+}
+
+interface Problem {
+  name: string;
+  objective: {
+    direction: "min" | "max";
+    name: string;
+    vars: VariableMIP[];
+  };
+  constraints: ConstraintMIP[];
+  binaries?: string[];
+  generals?: string[];
+  options: Options;
+}
+
+function createProblemMIP(
+  name: string,
+  direction: "min" | "max",
+  objectiveName: string,
+  objectiveVars: VariableMIP[],
+  constraints: { name: string; vars: VariableMIP[]; bnds_type: number; ub: number; lb: number }[],
+  binaries: string[],
+  generals: string[] = [],
+  mipgap: number,
+  tmlim: number,
+  msglev: number
+): Problem {
+  const constraintsFormatted: ConstraintMIP[] = constraints.map((constraint) => ({
+    name: constraint.name,
+    vars: constraint.vars,
+    bnds: {
+      type: constraint.bnds_type,
+      ub: constraint.ub,
+      lb: constraint.lb
+    }
+  }));
+
+  const problem: Problem = {
+    name: name,
+    objective: {
+      direction: direction,
+      name: objectiveName,
+      vars: objectiveVars
+    },
+    constraints: constraintsFormatted,
+    binaries: binaries.length > 0 ? binaries : undefined,
+    generals: generals.length > 0 ? generals : undefined,
+    options: {
+      mipgap: mipgap,
+      tmlim: tmlim,
+      msglev: msglev
+    }
+  };
+
+  return problem;
+}