static double log(double val) {
try {
return logE(val);
} catch (Exception e) {
System.out.println(e.getMessage());
e.printStackTrace();
}
return -1 * Double.MAX_VALUE;
}
static double expLE(double val) {
double pr = RobustMath.exp(val);
if (Double.isNaN(pr) || Double.isInfinite(pr)) {
try {
throw new Exception(
"Overflow error when taking exp of "
+ val
+ " you might need to redesign feature values so as to not reach such high values");
} catch (Exception e) {
System.out.println(e.getMessage());
e.printStackTrace();
return Double.MAX_VALUE;
}
}
return pr;
}
static double expE(double val) {
double pr = RobustMath.exp(val);
if (Double.isNaN(pr) || Double.isInfinite(pr)) {
try {
throw new Exception(
"Overflow error when taking exp of "
+ val
+ "\n Try running the CRF with the following option \"trainer ll\" to perform computations in the log-space.");
} catch (Exception e) {
System.out.println(e.getMessage());
e.printStackTrace();
return Double.MAX_VALUE;
}
}
return pr;
}