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

char *name = "2atan (example 3.5)";

double f_if(float N) {
        float r21167 = N;
        float r21168 = 1.0f;
        float r21169 = r21167 + r21168;
        float r21170 = atan(r21169);
        float r21171 = atan(r21167);
        float r21172 = r21170 - r21171;
        return r21172;
}

double f_id(double N) {
        double r21173 = N;
        double r21174 = 1.0;
        double r21175 = r21173 + r21174;
        double r21176 = atan(r21175);
        double r21177 = atan(r21173);
        double r21178 = r21176 - r21177;
        return r21178;
}


double f_of(float N) {
        float r21179 = 1.0f;
        float r21180 = 0.0f;
        float r21181 = r21179 + r21180;
        float r21182 = N;
        float r21183 = r21182 + r21179;
        float r21184 = r21183 * r21182;
        float r21185 = r21179 + r21184;
        float r21186 = atan2(r21181, r21185);
        return r21186;
}

double f_od(double N) {
        double r21187 = 1.0;
        double r21188 = 0.0;
        double r21189 = r21187 + r21188;
        double r21190 = N;
        double r21191 = r21190 + r21187;
        double r21192 = r21191 * r21190;
        double r21193 = r21187 + r21192;
        double r21194 = atan2(r21189, r21193);
        return r21194;
}

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 r21195, r21196, r21197, r21198, r21199, r21200;

void setup_mpfr_f_im() {
        mpfr_set_default_prec(1424);
        mpfr_init(r21195);
        mpfr_init_set_str(r21196, "1", 10, MPFR_RNDN);
        mpfr_init(r21197);
        mpfr_init(r21198);
        mpfr_init(r21199);
        mpfr_init(r21200);
}

double f_im(double N) {
        mpfr_set_d(r21195, N, MPFR_RNDN);
        ;
        mpfr_add(r21197, r21195, r21196, MPFR_RNDN);
        mpfr_atan(r21198, r21197, MPFR_RNDN);
        mpfr_atan(r21199, r21195, MPFR_RNDN);
        mpfr_sub(r21200, r21198, r21199, MPFR_RNDN);
        return mpfr_get_d(r21200, MPFR_RNDN);
}

static mpfr_t r21201, r21202, r21203, r21204, r21205, r21206, r21207, r21208;

void setup_mpfr_f_fm() {
        mpfr_set_default_prec(1424);
        mpfr_init_set_str(r21201, "1", 10, MPFR_RNDN);
        mpfr_init_set_str(r21202, "0", 10, MPFR_RNDN);
        mpfr_init(r21203);
        mpfr_init(r21204);
        mpfr_init(r21205);
        mpfr_init(r21206);
        mpfr_init(r21207);
        mpfr_init(r21208);
}

double f_fm(double N) {
        ;
        ;
        mpfr_add(r21203, r21201, r21202, MPFR_RNDN);
        mpfr_set_d(r21204, N, MPFR_RNDN);
        mpfr_add(r21205, r21204, r21201, MPFR_RNDN);
        mpfr_mul(r21206, r21205, r21204, MPFR_RNDN);
        mpfr_add(r21207, r21201, r21206, MPFR_RNDN);
        mpfr_atan2(r21208, r21203, r21207, MPFR_RNDN);
        return mpfr_get_d(r21208, MPFR_RNDN);
}

static mpfr_t r21209, r21210, r21211, r21212, r21213, r21214, r21215, r21216;

void setup_mpfr_f_dm() {
        mpfr_set_default_prec(1424);
        mpfr_init_set_str(r21209, "1", 10, MPFR_RNDN);
        mpfr_init_set_str(r21210, "0", 10, MPFR_RNDN);
        mpfr_init(r21211);
        mpfr_init(r21212);
        mpfr_init(r21213);
        mpfr_init(r21214);
        mpfr_init(r21215);
        mpfr_init(r21216);
}

double f_dm(double N) {
        ;
        ;
        mpfr_add(r21211, r21209, r21210, MPFR_RNDN);
        mpfr_set_d(r21212, N, MPFR_RNDN);
        mpfr_add(r21213, r21212, r21209, MPFR_RNDN);
        mpfr_mul(r21214, r21213, r21212, MPFR_RNDN);
        mpfr_add(r21215, r21209, r21214, MPFR_RNDN);
        mpfr_atan2(r21216, r21211, r21215, MPFR_RNDN);
        return mpfr_get_d(r21216, MPFR_RNDN);
}