// implementation of the [LT(4.16)] test #include typedef struct ewaldtest_hex_params { qpms_l_t lMax; poinnt2d beta; double k; double h; double eta; } ewaldtest_hex_params; ewaldtest_hex_paraps paramslist = { { 3, {1.1, 0.23}, 2.3, 0.97, 0.3}, // end: { 0, {0, 0}, 0, 0, 0} }