func (c *Cubic) Initialize(loc *uni.Location, obj *uni.Objective, grad *uni.Gradient) (err error) {
//if c.step.Init() == math.NaN() {
// c.step.SetInit(1)
//}
// Now initialize the three to set the initial location to the current location
err = c.step.Initialize()
if err != nil {
return errors.New("cubic: error initializing: " + err.Error())
}
// Initialize the rest of the memory
c.prevF = obj.Init()
c.initialGradNegative = (grad.Curr() < 0)
c.currStepDirectionPositive = true
c.deltaCurrent = 0.0 // How far is the current point from the initial point
// Add in some checking on the Step Increase and decrease sizes
return nil
}
