Removed lt option from unit constraints (do it with gt).

#107

inc/1a_definitions.gms

@@ -134,13 +134,11 @@ Sets
     min_max "Minimum and maximum"
         / min, max /
     constraint "Possible names for constraints"
-        / eq1*eq9, gt1*gt9, lt1*lt9 /
+        / eq1*eq9, gt1*gt9 /
     eq_constraint(constraint) "Equality constraints"
         / eq1*eq9 /
     gt_constraint(constraint) "Greater than constraints"
         / gt1*gt9 /
-    lt_constraint(constraint) "Less than constraints"
-        / lt1*lt9 /
 
 * --- Model Feature Sets ------------------------------------------------------
 

inc/1c_parameters.gms

@@ -52,8 +52,8 @@ Parameters
     p_gnu_io(grid, node, unit, input_output, param_gnu) "Unit data where energy type matters"
     p_gnuBoundaryProperties(grid, node, unit, slack, param_gnuBoundaryProperties) "Properties for unit boundaries where energy type matters"
     p_unit(unit, param_unit) "Unit data where energy type does not matter"
-    p_unitConstraint(unit, constraint) "Constant for constraints (eq1-9, gt1-9, lt1-9) between inputs and outputs"
-    p_unitConstraintNode(unit, constraint, node) "Coefficients for constraints (eq1-9, gt1-9, lt1-9) between inputs and outputs"
+    p_unitConstraint(unit, constraint) "Constant for constraints (eq1-9, gt1-9) between inputs and outputs"
+    p_unitConstraintNode(unit, constraint, node) "Coefficients for constraints (eq1-9, gt1-9) between inputs and outputs"
     p_gnReserves(grid, node, restype, *) "Data defining the reserve rules in each node"
     p_groupReserves(group, restype, *) "Data defining the reserve rules in each node group"
     p_groupReserves3D(group, restype, up_down, param_policy) "Reserve policy in each node group separately for each reserve type and direction"