

define sign;

define ceil;
define floor;
define round;
define trunc;
define llround;
define rint;
define llrint;
define nearbyint;

define frexp;
define ldexp;

define scalb;
define scalbln;
define scalbn;
define mod;
define modf;
define significand;
define drem;
define remquo;
define fdim;
define min;
define max;

define fma;
define recip;
define sqrt;
define rsqrt;
define hypot;
define pow;
define pow2;
// define pown;
// define powr;

define sin;
define cos;
define tan;
define cot;
// define sinpi;
// define cospi;

define asin;
define acos;
define atan;
define atanpi;
define atan2;
// define atan2pi;

define sinh;
define cosh;
define tanh;

define acosh;
define asinh;
define atanh;

define log;
define log2;
define log10;
define logp1;
define logb;
define ilogb;
// define log2p1;
// define log10p1;

define exp;
define exp2;
define expm1;
// define exp2m1;
// define exp10;
// define exp10m1;

// define compound;
// define rootn;

define proj;
define arg;
define sigmoid;
define cbrt;

define erf;
define erfc;
define ierf;
define ierfc;

define digamma;
define tgamma;
define lgamma;
define lgamma_r;
define igamma;
define igammac;
alias gamma = tgamma;
define beta;

define j0;
define j1;
define i1;
define jn;
define y0;
define y1;
define yn;
