am getting an error while compiling for StdG variable

when I am compiling a program am getting an error for a vairable used called StdG..I could not get much information about it on the net.

heres the actual error:

.\test.java:86: cannot resolve symbol

symbol : variable StdG

location: class test

double t_x = StdG.s(k.t - l);

^

The pointer for error iis in S of StdG.

Does anybody hav information about this variable...lemme know.

[432 byte] By [kirk_hamett81a] at [2007-10-1 21:13:53]
# 1
Without more code to go on I can only guess but I would say that you're missing an import statement. Is StdG some sort of utility class? Does it really have a method that the entire name is "s"?
stdunbara at 2007-7-13 3:10:31 > top of Java-index,Developer Tools,Debugging and Profiling Tool APIs...
# 2
no there is no method...but has been used to call methods.What i think..it is some kind of a class, i have to figure whether it is in Java..precreated or somethin which has to be created.Do you hav any information on " StdG" .
kirk_hamett81a at 2007-7-13 3:10:31 > top of Java-index,Developer Tools,Debugging and Profiling Tool APIs...