-1=if (metier.getGearParameterValueAsDouble()<=40) return (1/(1+(Math.exp(-2.04*(group.getLength()-14.78)))));else if (metier.getGearParameterValueAsDouble()<=50) return (1/(1+(Math.exp(-2.45*(group.getLength()-17.74)))));else if (metier.getGearParameterValueAsDouble()<=60) return (1/(1+(Math.exp(-2.86*(group.getLength()-20.7)))));else if (metier.getGearParameterValueAsDouble()<=70) return (1/(1+(Math.exp(-3.27*(group.getLength()-23.65)))));else return  1;
1=if (metier.getGearParameterValueAsDouble()<=60) return (1/(1+(Math.exp(-2.04*(group.getLength()-14.78)))));else if (metier.getGearParameterValueAsDouble()<=70) return (1/(1+(Math.exp(-2.45*(group.getLength()-17.74)))));else if (metier.getGearParameterValueAsDouble()<=80) return (1/(1+(Math.exp(-2.86*(group.getLength()-20.7)))));else if (metier.getGearParameterValueAsDouble()<=90) return (1/(1+(Math.exp(-3.27*(group.getLength()-23.65)))));else return  1;
0=if (metier.getGearParameterValueAsDouble()<=50) return (1/(1+(Math.exp(-2.04*(group.getLength()-14.78)))));else if (metier.getGearParameterValueAsDouble()<=60) return (1/(1+(Math.exp(-2.45*(group.getLength()-17.74)))));else if (metier.getGearParameterValueAsDouble()<=70) return (1/(1+(Math.exp(-2.86*(group.getLength()-20.7)))));else if (metier.getGearParameterValueAsDouble()<=80) return (1/(1+(Math.exp(-3.27*(group.getLength()-23.65)))));else return  1;