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>no, multiplying/dividing is 100 times slower as if/else for integers and 1000 times for floats. thanx!! if/else it is!!

Kewl , thanx!! the only problem is that it's a sound processing module , so normally it gets processed thru an algorithm. I think this has the advantage of being much faster than a if/else structure or am I wrong here ?? I formulated the signus function as follows : x = x * ( 1 / abs( x ) )...

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemmathclasssigntopic3.asp ___ ???? what am I missing ?? thanx for all replies btw

sin = sinus sign = signus signus returns -1 on a negative value , 0 on a 0, and 1 one a positive value __ the documentation says it's a Math member , like sin but I can use sin , not sign ??

Hi , I'm having the same problem ... functions like abs() work ... only not sign() ?? this is my include : #include <Math.h> this is the implementation : (*out2++) = (*in2++) * abs(Sign(fTreshold - *in2)); this is the error : error C2065: 'Sign' : undeclared identifier ?? h e l p ??