#include <tgmath.h>
#include <gmp.h>
#include <mpfr.h>
#include <stdio.h>
#include <stdbool.h>

char *name = "Equirectangular approximation to distance on a great circle";

double f_if(float R, float lambda1, float lambda2, float phi1, float phi2) {
        float r21963 = R;
        float r21964 = lambda1;
        float r21965 = lambda2;
        float r21966 = r21964 - r21965;
        float r21967 = phi1;
        float r21968 = phi2;
        float r21969 = r21967 + r21968;
        float r21970 = 2;
        float r21971 = r21969 / r21970;
        float r21972 = cos(r21971);
        float r21973 = r21966 * r21972;
        float r21974 = r21973 * r21973;
        float r21975 = r21967 - r21968;
        float r21976 = r21975 * r21975;
        float r21977 = r21974 + r21976;
        float r21978 = sqrt(r21977);
        float r21979 = r21963 * r21978;
        return r21979;
}

double f_id(double R, double lambda1, double lambda2, double phi1, double phi2) {
        double r21980 = R;
        double r21981 = lambda1;
        double r21982 = lambda2;
        double r21983 = r21981 - r21982;
        double r21984 = phi1;
        double r21985 = phi2;
        double r21986 = r21984 + r21985;
        double r21987 = 2;
        double r21988 = r21986 / r21987;
        double r21989 = cos(r21988);
        double r21990 = r21983 * r21989;
        double r21991 = r21990 * r21990;
        double r21992 = r21984 - r21985;
        double r21993 = r21992 * r21992;
        double r21994 = r21991 + r21993;
        double r21995 = sqrt(r21994);
        double r21996 = r21980 * r21995;
        return r21996;
}


double f_of(float R, float lambda1, float lambda2, float phi1, float phi2) {
        float r21997 = phi1;
        float r21998 = phi2;
        float r21999 = r21997 + r21998;
        float r22000 = 2;
        float r22001 = r21999 / r22000;
        float r22002 = cos(r22001);
        float r22003 = exp(r22002);
        float r22004 = log(r22003);
        float r22005 = lambda1;
        float r22006 = lambda2;
        float r22007 = r22005 - r22006;
        float r22008 = r22004 * r22007;
        float r22009 = r21997 - r21998;
        float r22010 = hypot(r22008, r22009);
        float r22011 = R;
        float r22012 = r22010 * r22011;
        return r22012;
}

double f_od(double R, double lambda1, double lambda2, double phi1, double phi2) {
        double r22013 = phi1;
        double r22014 = phi2;
        double r22015 = r22013 + r22014;
        double r22016 = 2;
        double r22017 = r22015 / r22016;
        double r22018 = cos(r22017);
        double r22019 = exp(r22018);
        double r22020 = log(r22019);
        double r22021 = lambda1;
        double r22022 = lambda2;
        double r22023 = r22021 - r22022;
        double r22024 = r22020 * r22023;
        double r22025 = r22013 - r22014;
        double r22026 = hypot(r22024, r22025);
        double r22027 = R;
        double r22028 = r22026 * r22027;
        return r22028;
}

void mpfr_fmod2(mpfr_t r, mpfr_t n, mpfr_t d, mpfr_rnd_t rmd) {
        mpfr_fmod(r, n, d, rmd);
        if (mpfr_cmp_ui(r, 0) < 0) mpfr_add(r, r, d, rmd);
}


static mpfr_t r22029, r22030, r22031, r22032, r22033, r22034, r22035, r22036, r22037, r22038, r22039, r22040, r22041, r22042, r22043, r22044, r22045;

void setup_mpfr_f_im() {
        mpfr_set_default_prec(1424);
        mpfr_init(r22029);
        mpfr_init(r22030);
        mpfr_init(r22031);
        mpfr_init(r22032);
        mpfr_init(r22033);
        mpfr_init(r22034);
        mpfr_init(r22035);
        mpfr_init_set_str(r22036, "2", 10, MPFR_RNDN);
        mpfr_init(r22037);
        mpfr_init(r22038);
        mpfr_init(r22039);
        mpfr_init(r22040);
        mpfr_init(r22041);
        mpfr_init(r22042);
        mpfr_init(r22043);
        mpfr_init(r22044);
        mpfr_init(r22045);
}

double f_im(double R, double lambda1, double lambda2, double phi1, double phi2) {
        mpfr_set_d(r22029, R, MPFR_RNDN);
        mpfr_set_d(r22030, lambda1, MPFR_RNDN);
        mpfr_set_d(r22031, lambda2, MPFR_RNDN);
        mpfr_sub(r22032, r22030, r22031, MPFR_RNDN);
        mpfr_set_d(r22033, phi1, MPFR_RNDN);
        mpfr_set_d(r22034, phi2, MPFR_RNDN);
        mpfr_add(r22035, r22033, r22034, MPFR_RNDN);
        ;
        mpfr_div(r22037, r22035, r22036, MPFR_RNDN);
        mpfr_cos(r22038, r22037, MPFR_RNDN);
        mpfr_mul(r22039, r22032, r22038, MPFR_RNDN);
        mpfr_mul(r22040, r22039, r22039, MPFR_RNDN);
        mpfr_sub(r22041, r22033, r22034, MPFR_RNDN);
        mpfr_mul(r22042, r22041, r22041, MPFR_RNDN);
        mpfr_add(r22043, r22040, r22042, MPFR_RNDN);
        mpfr_sqrt(r22044, r22043, MPFR_RNDN);
        mpfr_mul(r22045, r22029, r22044, MPFR_RNDN);
        return mpfr_get_d(r22045, MPFR_RNDN);
}

static mpfr_t r22046, r22047, r22048, r22049, r22050, r22051, r22052, r22053, r22054, r22055, r22056, r22057, r22058, r22059, r22060, r22061;

void setup_mpfr_f_fm() {
        mpfr_set_default_prec(1424);
        mpfr_init(r22046);
        mpfr_init(r22047);
        mpfr_init(r22048);
        mpfr_init_set_str(r22049, "2", 10, MPFR_RNDN);
        mpfr_init(r22050);
        mpfr_init(r22051);
        mpfr_init(r22052);
        mpfr_init(r22053);
        mpfr_init(r22054);
        mpfr_init(r22055);
        mpfr_init(r22056);
        mpfr_init(r22057);
        mpfr_init(r22058);
        mpfr_init(r22059);
        mpfr_init(r22060);
        mpfr_init(r22061);
}

double f_fm(double R, double lambda1, double lambda2, double phi1, double phi2) {
        mpfr_set_d(r22046, phi1, MPFR_RNDN);
        mpfr_set_d(r22047, phi2, MPFR_RNDN);
        mpfr_add(r22048, r22046, r22047, MPFR_RNDN);
        ;
        mpfr_div(r22050, r22048, r22049, MPFR_RNDN);
        mpfr_cos(r22051, r22050, MPFR_RNDN);
        mpfr_exp(r22052, r22051, MPFR_RNDN);
        mpfr_log(r22053, r22052, MPFR_RNDN);
        mpfr_set_d(r22054, lambda1, MPFR_RNDN);
        mpfr_set_d(r22055, lambda2, MPFR_RNDN);
        mpfr_sub(r22056, r22054, r22055, MPFR_RNDN);
        mpfr_mul(r22057, r22053, r22056, MPFR_RNDN);
        mpfr_sub(r22058, r22046, r22047, MPFR_RNDN);
        mpfr_hypot(r22059, r22057, r22058, MPFR_RNDN);
        mpfr_set_d(r22060, R, MPFR_RNDN);
        mpfr_mul(r22061, r22059, r22060, MPFR_RNDN);
        return mpfr_get_d(r22061, MPFR_RNDN);
}

static mpfr_t r22062, r22063, r22064, r22065, r22066, r22067, r22068, r22069, r22070, r22071, r22072, r22073, r22074, r22075, r22076, r22077;

void setup_mpfr_f_dm() {
        mpfr_set_default_prec(1424);
        mpfr_init(r22062);
        mpfr_init(r22063);
        mpfr_init(r22064);
        mpfr_init_set_str(r22065, "2", 10, MPFR_RNDN);
        mpfr_init(r22066);
        mpfr_init(r22067);
        mpfr_init(r22068);
        mpfr_init(r22069);
        mpfr_init(r22070);
        mpfr_init(r22071);
        mpfr_init(r22072);
        mpfr_init(r22073);
        mpfr_init(r22074);
        mpfr_init(r22075);
        mpfr_init(r22076);
        mpfr_init(r22077);
}

double f_dm(double R, double lambda1, double lambda2, double phi1, double phi2) {
        mpfr_set_d(r22062, phi1, MPFR_RNDN);
        mpfr_set_d(r22063, phi2, MPFR_RNDN);
        mpfr_add(r22064, r22062, r22063, MPFR_RNDN);
        ;
        mpfr_div(r22066, r22064, r22065, MPFR_RNDN);
        mpfr_cos(r22067, r22066, MPFR_RNDN);
        mpfr_exp(r22068, r22067, MPFR_RNDN);
        mpfr_log(r22069, r22068, MPFR_RNDN);
        mpfr_set_d(r22070, lambda1, MPFR_RNDN);
        mpfr_set_d(r22071, lambda2, MPFR_RNDN);
        mpfr_sub(r22072, r22070, r22071, MPFR_RNDN);
        mpfr_mul(r22073, r22069, r22072, MPFR_RNDN);
        mpfr_sub(r22074, r22062, r22063, MPFR_RNDN);
        mpfr_hypot(r22075, r22073, r22074, MPFR_RNDN);
        mpfr_set_d(r22076, R, MPFR_RNDN);
        mpfr_mul(r22077, r22075, r22076, MPFR_RNDN);
        return mpfr_get_d(r22077, MPFR_RNDN);
}