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implement lock alternative locking mechanism

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This commit is contained in:
Val Erastov 2014-10-13 00:34:14 -07:00
parent 5a241e0545
commit 37e6c48698
2 changed files with 59 additions and 3 deletions
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27
web/app/constr/constraints.js
View file

@ -34,6 +34,33 @@ TCAD.constraints.Equal = function(params) {
}; };
TCAD.constraints.ConstantWrapper = function(constr, mask) {
this.params = [];
this.grad = [];
for (j = 0; j < constr.params.length; j++) {
if (!mask[j]) {
this.params.push(constr.params[j]);
}
this.grad.push(0);
}
this.error = function() {
return constr.error();
}
this.gradient = function(out) {
constr.gradient(this.grad);
var jj = 0;
for (j = 0; j < mask.length; j++) {
if (!mask[j]) {
out[jj ++] = this.grad[j];
}
}
}
};
TCAD.constraints.EqualsTo = function(params, value) { TCAD.constraints.EqualsTo = function(params, value) {
this.params = params; this.params = params;

35
web/app/constr/solver.js
View file

@ -87,13 +87,42 @@ TCAD.parametric.System.prototype.getValues = function() {
return values; return values;
}; };
TCAD.parametric.lock1 = function(constrs, locked) {
var lockedSet = {};
for (var i = 0; i < locked.length; i++) {
lockedSet[locked[i].id] = true;
}
for (var i = 0; i < constrs.length; i++) {
var c = constrs[i];
var mask = [];
var needWrap = false;
for (var j = 0; j < c.params.length; j++) {
var param = c.params[j];
mask[j] = lockedSet[param.id] === true;
needWrap = needWrap || mask[j];
}
if (needWrap) {
var wrapper = new TCAD.constraints.ConstantWrapper(c, mask);
constrs[i] = wrapper;
}
}
};
TCAD.parametric.lock2 = function(constrs, locked) {
for (var i = 0; i < locked.length; ++i) {
constrs.push(new TCAD.constraints.EqualsTo([locked[i]], locked[i].get()));
}
};
TCAD.parametric.solve = function(constrs, locked, fineLevel) { TCAD.parametric.solve = function(constrs, locked, fineLevel) {
if (constrs.length == 0) return; if (constrs.length == 0) return;
for (var i = 0; i < locked.length; ++i) {
constrs.push(new TCAD.constraints.EqualsTo([locked[i]], locked[i].get())); // this.lock1(constrs, locked);
} this.lock2(constrs, locked);
var sys = new TCAD.parametric.System(constrs); var sys = new TCAD.parametric.System(constrs);