#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 r21310 = N;
        float r21311 = 1.0f;
        float r21312 = r21310 + r21311;
        float r21313 = atan(r21312);
        float r21314 = atan(r21310);
        float r21315 = r21313 - r21314;
        return r21315;
}

double f_id(double N) {
        double r21316 = N;
        double r21317 = 1.0;
        double r21318 = r21316 + r21317;
        double r21319 = atan(r21318);
        double r21320 = atan(r21316);
        double r21321 = r21319 - r21320;
        return r21321;
}


double f_of(float N) {
        float r21322 = 1.0f;
        float r21323 = 0.0f;
        float r21324 = r21322 + r21323;
        float r21325 = N;
        float r21326 = r21325 + r21322;
        float r21327 = r21326 * r21325;
        float r21328 = r21322 + r21327;
        float r21329 = atan2(r21324, r21328);
        return r21329;
}

double f_od(double N) {
        double r21330 = 1.0;
        double r21331 = 0.0;
        double r21332 = r21330 + r21331;
        double r21333 = N;
        double r21334 = r21333 + r21330;
        double r21335 = r21334 * r21333;
        double r21336 = r21330 + r21335;
        double r21337 = atan2(r21332, r21336);
        return r21337;
}

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 r21338, r21339, r21340, r21341, r21342, r21343;

void setup_mpfr_f_im() {
        mpfr_set_default_prec(1424);
        mpfr_init(r21338);
        mpfr_init_set_str(r21339, "1", 10, MPFR_RNDN);
        mpfr_init(r21340);
        mpfr_init(r21341);
        mpfr_init(r21342);
        mpfr_init(r21343);
}

double f_im(double N) {
        mpfr_set_d(r21338, N, MPFR_RNDN);
        ;
        mpfr_add(r21340, r21338, r21339, MPFR_RNDN);
        mpfr_atan(r21341, r21340, MPFR_RNDN);
        mpfr_atan(r21342, r21338, MPFR_RNDN);
        mpfr_sub(r21343, r21341, r21342, MPFR_RNDN);
        return mpfr_get_d(r21343, MPFR_RNDN);
}

static mpfr_t r21344, r21345, r21346, r21347, r21348, r21349, r21350, r21351;

void setup_mpfr_f_fm() {
        mpfr_set_default_prec(1424);
        mpfr_init_set_str(r21344, "1", 10, MPFR_RNDN);
        mpfr_init_set_str(r21345, "0", 10, MPFR_RNDN);
        mpfr_init(r21346);
        mpfr_init(r21347);
        mpfr_init(r21348);
        mpfr_init(r21349);
        mpfr_init(r21350);
        mpfr_init(r21351);
}

double f_fm(double N) {
        ;
        ;
        mpfr_add(r21346, r21344, r21345, MPFR_RNDN);
        mpfr_set_d(r21347, N, MPFR_RNDN);
        mpfr_add(r21348, r21347, r21344, MPFR_RNDN);
        mpfr_mul(r21349, r21348, r21347, MPFR_RNDN);
        mpfr_add(r21350, r21344, r21349, MPFR_RNDN);
        mpfr_atan2(r21351, r21346, r21350, MPFR_RNDN);
        return mpfr_get_d(r21351, MPFR_RNDN);
}

static mpfr_t r21352, r21353, r21354, r21355, r21356, r21357, r21358, r21359;

void setup_mpfr_f_dm() {
        mpfr_set_default_prec(1424);
        mpfr_init_set_str(r21352, "1", 10, MPFR_RNDN);
        mpfr_init_set_str(r21353, "0", 10, MPFR_RNDN);
        mpfr_init(r21354);
        mpfr_init(r21355);
        mpfr_init(r21356);
        mpfr_init(r21357);
        mpfr_init(r21358);
        mpfr_init(r21359);
}

double f_dm(double N) {
        ;
        ;
        mpfr_add(r21354, r21352, r21353, MPFR_RNDN);
        mpfr_set_d(r21355, N, MPFR_RNDN);
        mpfr_add(r21356, r21355, r21352, MPFR_RNDN);
        mpfr_mul(r21357, r21356, r21355, MPFR_RNDN);
        mpfr_add(r21358, r21352, r21357, MPFR_RNDN);
        mpfr_atan2(r21359, r21354, r21358, MPFR_RNDN);
        return mpfr_get_d(r21359, MPFR_RNDN);
}