consteig_options.hpp

#ifndef CONSTEIG_OPTIONS_HPP
#define CONSTEIG_OPTIONS_HPP
 
 
#ifndef CONSTEIG_MAX_ITER
#define CONSTEIG_MAX_ITER 500
#endif
 
#ifndef CONSTEIG_DEFAULT_SYMMETRIC_TOLERANCE
#define CONSTEIG_DEFAULT_SYMMETRIC_TOLERANCE 1e-6
#endif
 
#ifndef CONSTEIG_BALANCE_CONVERGENCE_THRESHOLD
#define CONSTEIG_BALANCE_CONVERGENCE_THRESHOLD 0.95
#endif
 
#ifndef E_CONST
#define E_CONST 2.71828182845904523536028747135266249775724709369995
#endif
 
#ifndef PI_CONST
#define PI_CONST 3.14159265358979323846264338327950288419716939937510
#endif
 
#ifndef CONSTEIG_TRIG_MAX_ITER
// 14 iterations suffices for double precision (worst case x=pi: pi^29/29! ~
// 3e-17 < machine epsilon). 20 gives a comfortable margin.
#define CONSTEIG_TRIG_MAX_ITER 20
#endif
 
// Uncomment to force all internal constexpr eigenvalue calculations to use long
// double. This improves numerical stability for large/pathological matrices but
// is very resource intensive for the compiler.
// #define CONSTEIG_USE_LONG_DOUBLE
 
// #define CONSTEIG_USE_GCEM
 
// #define CONSTEIG_GCEM_USE_STDLIB
 
// #define CONSTEIG_GCEM_USE_CUSTOM_TRAITS
 
 
#endif