Add primal_start and dual_start for constraints to make v1.2 (#22)

Author: odow

Diff for: README.md

@@ -5,7 +5,7 @@ called _MathOptFormat_ with the file extension `.mof.json`.
 
 MathOptFormat is rigidly defined by the [JSON schema](http://json-schema.org/)
 available at
-[`https://jump.dev/MathOptFormat/schemas/mof.1.1.schema.json`](https://jump.dev/MathOptFormat/schemas/mof.1.1.schema.json).
+[`https://jump.dev/MathOptFormat/schemas/mof.1.2.schema.json`](https://jump.dev/MathOptFormat/schemas/mof.1.2.schema.json).
 
 It is intended for the schema to be self-documenting. Instead of modifying or
 adding to this documentation, clarifying edits should be made to the
@@ -67,7 +67,7 @@ Encoded into the MathOptFormat file format, this example becomes:
 {
     "version": {
         "major": 1,
-        "minor": 1
+        "minor": 2
     },
     "variables": [{"name": "x"}],
     "objective": {

Diff for: examples/milp.mof.json

@@ -2,7 +2,7 @@
     "description": "The problem: min{x | x + y >= 1, x ∈ [0, 1], y ∈ {0, 1}}",
     "version": {
         "major": 1,
-        "minor": 1
+        "minor": 2
     },
     "variables": [{
         "name": "x",
@@ -36,7 +36,9 @@
         "set": {
             "type": "GreaterThan",
             "lower": 1
-        }
+        },
+        "primal_start": 1,
+        "dual_start": 0
     }, {
         "name": "x ∈ [0, 1]",
         "function": {

Diff for: examples/vector.mof.json

@@ -2,7 +2,7 @@
     "description": "The problem: min{0 | [1 2; 3 4][x, y] + [5, 6] ∈ R+.",
     "version": {
         "major": 1,
-        "minor": 1
+        "minor": 2
     },
     "variables": [{
         "name": "x"
@@ -45,6 +45,8 @@
         "set": {
             "type": "Nonnegatives",
             "dimension": 2
-        }
+        },
+        "primal_start": [5, 6],
+        "dual_start": [0, 0]
     }]
 }

Diff for: python/mof.py

@@ -3,7 +3,7 @@
 import os
 
 
-SCHEMA_FILENAME = '../schemas/mof.1.1.schema.json'
+SCHEMA_FILENAME = '../schemas/mof.1.2.schema.json'
 
 def validate(filename):
     with open(filename, 'r', encoding='utf-8') as io: