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C++ Mathematical Expression Library (ExprTk) http://www.partow.net/programming/exprtk/index.html
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Arash Partow
69
exprtk.hpp
69
exprtk.hpp
@ -286,10 +286,10 @@ namespace exprtk
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"deg2grad", "deg2rad", "equal", "erf", "erfc", "exp", "expm1", "false", "floor",
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"for", "frac", "grad2deg", "hypot", "iclamp", "if", "else", "ilike", "in", "inrange",
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"like", "log", "log10", "log2", "logn", "log1p", "mand", "max", "min", "mod", "mor",
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"mul", "nand", "nor", "not", "not_equal", "null", "or", "pow", "rad2deg", "repeat",
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"root", "round", "roundn", "sec", "sgn", "shl", "shr", "sin", "sinc", "sinh", "sqrt",
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"sum", "swap", "switch", "tan", "tanh", "true", "trunc", "until", "var", "while",
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"xnor", "xor", "&", "|"
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"mul", "ncdf", "nand", "nor", "not", "not_equal", "null", "or", "pow", "rad2deg",
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"repeat", "root", "round", "roundn", "sec", "sgn", "shl", "shr", "sin", "sinc",
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"sinh", "sqrt", "sum", "swap", "switch", "tan", "tanh", "true", "trunc", "until",
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"var", "while", "xnor", "xor", "&", "|"
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};
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static const std::size_t reserved_symbols_size = sizeof(reserved_symbols) / sizeof(std::string);
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@ -428,6 +428,7 @@ namespace exprtk
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static const double _2_pi = 0.636619772367581343076;
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static const double _180_pi = 57.295779513082320876798;
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static const double log2 = 0.693147180559945309417;
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static const double sqrt2 = 1.414213562373095048801;
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}
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namespace details
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@ -852,6 +853,21 @@ namespace exprtk
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return erfc_impl(static_cast<double>(v),real_type_tag());
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}
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template <typename T>
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inline T ncdf_impl(T v, real_type_tag)
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{
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T cnd = T(0.5) * (T(1) + erf_impl(
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abs_impl(v,real_type_tag()) /
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numeric::constant::sqrt2,real_type_tag()));
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return (v < 0) ? (T(1) - cnd) : cnd;
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}
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template <typename T>
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inline T ncdf_impl(T v, int_type_tag)
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{
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return ncdf_impl(static_cast<double>(v),real_type_tag());
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}
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template <typename T>
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inline T sinc_impl(T v, real_type_tag)
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{
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@ -864,7 +880,7 @@ namespace exprtk
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template <typename T>
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inline T sinc_impl(T v, int_type_tag)
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{
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return erfc_impl(static_cast<double>(v),real_type_tag());
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return sinc_impl(static_cast<double>(v),real_type_tag());
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}
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template <typename T> inline T acos_impl(const T v, real_type_tag) { return std::acos (v); }
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@ -1158,6 +1174,7 @@ namespace exprtk
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exprtk_define_unary_function(sgn )
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exprtk_define_unary_function(erf )
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exprtk_define_unary_function(erfc )
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exprtk_define_unary_function(ncdf )
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exprtk_define_unary_function(frac )
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exprtk_define_unary_function(trunc)
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#undef exprtk_define_unary_function
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@ -3217,10 +3234,10 @@ namespace exprtk
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e_tanh , e_cot , e_clamp , e_iclamp ,
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e_inrange , e_sgn , e_r2d , e_d2r ,
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e_d2g , e_g2d , e_hypot , e_notl ,
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e_erf , e_erfc , e_frac , e_trunc ,
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e_assign , e_addass , e_subass , e_mulass ,
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e_divass , e_modass , e_in , e_like ,
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e_ilike , e_multi , e_swap ,
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e_erf , e_erfc , e_ncdf , e_frac ,
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e_trunc , e_assign , e_addass , e_subass ,
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e_mulass , e_divass , e_modass , e_in ,
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e_like , e_ilike , e_multi , e_swap ,
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// Do not add new functions/operators after this point.
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e_sf00 = 1000, e_sf01 = 1001, e_sf02 = 1002, e_sf03 = 1003,
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@ -3320,6 +3337,7 @@ namespace exprtk
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case e_sgn : return numeric::sgn (arg);
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case e_erf : return numeric::erf (arg);
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case e_erfc : return numeric::erfc (arg);
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case e_ncdf : return numeric::ncdf (arg);
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case e_frac : return numeric::frac (arg);
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case e_trunc : return numeric::trunc(arg);
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default : return std::numeric_limits<T>::quiet_NaN();
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@ -3465,18 +3483,19 @@ namespace exprtk
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e_sqrt , e_tan , e_tanh , e_cot ,
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e_sec , e_csc , e_r2d , e_d2r ,
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e_d2g , e_g2d , e_notl , e_sgn ,
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e_erf , e_erfc , e_frac , e_trunc ,
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e_uvouv , e_vov , e_cov , e_voc ,
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e_vob , e_bov , e_cob , e_boc ,
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e_vovov , e_vovoc , e_vocov , e_covov ,
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e_covoc , e_vovovov , e_vovovoc , e_vovocov ,
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e_vocovov , e_covovov , e_covocov , e_vocovoc ,
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e_covovoc , e_vococov , e_sf3ext , e_sf4ext ,
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e_nulleq , e_vector , e_vecelem , e_vecdefass ,
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e_vecvalass , e_vecvecass , e_vecopvalass , e_vecopvecass ,
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e_vecfunc , e_vecvecswap , e_vecvecineq , e_vecvalineq ,
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e_valvecineq , e_vecvecarith , e_vecvalarith , e_valvecarith ,
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e_vecunaryop , e_break , e_continue , e_swap
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e_erf , e_erfc , e_ncdf , e_frac ,
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e_trunc , e_uvouv , e_vov , e_cov ,
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e_voc , e_vob , e_bov , e_cob ,
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e_boc , e_vovov , e_vovoc , e_vocov ,
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e_covov , e_covoc , e_vovovov , e_vovovoc ,
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e_vovocov , e_vocovov , e_covovov , e_covocov ,
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e_vocovoc , e_covovoc , e_vococov , e_sf3ext ,
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e_sf4ext , e_nulleq , e_vector , e_vecelem ,
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e_vecdefass , e_vecvalass , e_vecvecass , e_vecopvalass ,
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e_vecopvecass , e_vecfunc , e_vecvecswap , e_vecvecineq ,
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e_vecvalineq , e_valvecineq , e_vecvecarith , e_vecvalarith ,
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e_valvecarith , e_vecunaryop , e_break , e_continue ,
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e_swap
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};
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typedef T value_type;
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@ -7692,6 +7711,7 @@ namespace exprtk
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exprtk_define_unary_op(log10)
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exprtk_define_unary_op(log2 )
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exprtk_define_unary_op(log1p)
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exprtk_define_unary_op(ncdf )
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exprtk_define_unary_op(neg )
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exprtk_define_unary_op(notl )
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exprtk_define_unary_op(pos )
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@ -10940,6 +10960,7 @@ namespace exprtk
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register_op( "not",e_notl , 1)
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register_op( "erf",e_erf , 1)
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register_op( "erfc",e_erfc , 1)
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register_op( "ncdf",e_ncdf , 1)
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register_op( "frac",e_frac , 1)
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register_op( "trunc",e_trunc , 1)
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register_op( "atan2",e_atan2 , 2)
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@ -16789,8 +16810,8 @@ namespace exprtk
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(details::e_d2r == operation) || (details::e_d2g == operation) ||
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(details::e_g2d == operation) || (details::e_notl == operation) ||
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(details::e_sgn == operation) || (details::e_erf == operation) ||
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(details::e_erfc == operation) || (details::e_frac == operation) ||
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(details::e_trunc == operation);
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(details::e_erfc == operation) || (details::e_ncdf == operation) ||
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(details::e_frac == operation) || (details::e_trunc == operation);
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}
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inline bool sf3_optimizable(const std::string& sf3id, trinary_functor_t& tfunc)
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@ -17558,6 +17579,7 @@ namespace exprtk
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case_stmt(details:: e_sgn,details:: sgn_op) \
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case_stmt(details:: e_erf,details:: erf_op) \
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case_stmt(details:: e_erfc,details:: erfc_op) \
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case_stmt(details:: e_ncdf,details:: ncdf_op) \
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case_stmt(details:: e_frac,details:: frac_op) \
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case_stmt(details::e_trunc,details::trunc_op) \
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@ -23000,6 +23022,7 @@ namespace exprtk
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register_unary_op(details:: e_sgn,details:: sgn_op)
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register_unary_op(details:: e_erf,details:: erf_op)
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register_unary_op(details:: e_erfc,details:: erfc_op)
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register_unary_op(details:: e_ncdf,details:: ncdf_op)
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register_unary_op(details:: e_frac,details:: frac_op)
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register_unary_op(details::e_trunc,details::trunc_op)
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#undef register_unary_op
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