20 lines
881 B
C
20 lines
881 B
C
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//---------------------------------------------------------------------------
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#ifndef QuadRootsCodeH
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#define QuadRootsCodeH
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//---------------------------------------------------------------------------
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// #define M_SQRT3 1.7320508075688772935274463 // sqrt(3)
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#define M_SQRT3_2 0.8660254037844386467637231 // sqrt(3)/2
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// #define DBL_EPSILON 2.2204460492503131E-16 // 2^-52 typically defined in the compiler's float.h
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#define ZERO_PLUS 8.88178419700125232E-16 // 2^-50 = 4*DBL_EPSILON
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#define ZERO_MINUS -8.88178419700125232E-16
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int QuadCubicRoots(int N, double *Coeff, double *RealPart, double *ImagPart);
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void QuadRoots(long double *P, long double *RealPart, long double *ImagPart);
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int CubicRoots(long double *P, long double *RealPart, long double *ImagPart);
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void BiQuadRoots(long double *P, long double *RealPart, long double *ImagPart);
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#endif
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