cc [ flags ] -I/usr/local/include file(s) -L/usr/local/lib -lmcw [ ... ] #include <mathcw.h> extern void eljtaf (float result[4], float u, float q); extern void eljta (double result[4], double u, double q); extern void eljta (long double result[4], long double u, long double q); extern void eljtaw (__float80 result[4], __float80 u, __float80 q); extern void eljtaq (__float128 result[4], __float128 u, __float128 q); extern void eljtall (long_long_double result[4], long_long_double u, long_long_double q); extern void eljtadf (decimal_float result[4], decimal_float u, decimal_float q); extern void eljtad (decimal_double result[4], decimal_double u, decimal_double q); extern void eljtadl (decimal_long_double result[4], decimal_long_double u, decimal_long_double q); extern void eljtadll (decimal_long_long_double result[4], decimal_long_long_double u, decimal_long_long_double q);
NB: Functions with prototypes containing underscores in type names may be available only with certain extended compilers.
thetai(u,q) = result[i-1], i = 1, 2, 3, 4.
The argument u is unrestricted, but q is required to be in [0,1).
See M. Abramowitz & I. A. Stegun, Handbook of Mathematical Functions, Chapter 16, for definitions of the Jacobian elliptic, theta, and zeta functions.