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| void  | basic::calc_quadratic (double a, double b, double c, double &n1, double &n2) | 
|   | calculates quadratic polynomial solutions  More...
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| double  | basic::subtract_degree_angles (double a, double b) | 
|   | subtract angles in degrees, restricting the range of the result  More...
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| double  | basic::subtract_radian_angles (double a, double b) | 
|   | subtract angles in radians, restricting the range of the result  More...
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| double  | basic::periodic_range (double a, double x) | 
|   | a is restricted to [-x/2,x/2), assuming that a=a+n*x, n=any integer  More...
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| double  | basic::unsigned_periodic_range (double a, double x) | 
|   | a is restricted to [0.,x), assuming that a=a+n*x,, n=any integer  More...
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| void  | basic::angle_in_range (double &ang) | 
|   | taken from wobble.cc  More...
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