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

char *name = "arccos";

double f_if(float x) {
        float r21276 = 2;
        float r21277 = 1;
        float r21278 = x;
        float r21279 = r21277 - r21278;
        float r21280 = r21277 + r21278;
        float r21281 = r21279 / r21280;
        float r21282 = sqrt(r21281);
        float r21283 = atan(r21282);
        float r21284 = r21276 * r21283;
        return r21284;
}

double f_id(double x) {
        double r21285 = 2;
        double r21286 = 1;
        double r21287 = x;
        double r21288 = r21286 - r21287;
        double r21289 = r21286 + r21287;
        double r21290 = r21288 / r21289;
        double r21291 = sqrt(r21290);
        double r21292 = atan(r21291);
        double r21293 = r21285 * r21292;
        return r21293;
}


double f_of(float x) {
        float r21294 = 2;
        float r21295 = 1;
        float r21296 = x;
        float r21297 = r21295 - r21296;
        float r21298 = r21295 + r21296;
        float r21299 = r21297 / r21298;
        float r21300 = sqrt(r21299);
        float r21301 = atan(r21300);
        float r21302 = r21294 * r21301;
        return r21302;
}

double f_od(double x) {
        double r21303 = 2;
        double r21304 = 1;
        double r21305 = x;
        double r21306 = r21304 - r21305;
        double r21307 = r21304 + r21305;
        double r21308 = r21306 / r21307;
        double r21309 = sqrt(r21308);
        double r21310 = atan(r21309);
        double r21311 = r21303 * r21310;
        return r21311;
}

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 r21312, r21313, r21314, r21315, r21316, r21317, r21318, r21319, r21320;

void setup_mpfr_f_im() {
        mpfr_set_default_prec(400);
        mpfr_init_set_str(r21312, "2", 10, MPFR_RNDN);
        mpfr_init_set_str(r21313, "1", 10, MPFR_RNDN);
        mpfr_init(r21314);
        mpfr_init(r21315);
        mpfr_init(r21316);
        mpfr_init(r21317);
        mpfr_init(r21318);
        mpfr_init(r21319);
        mpfr_init(r21320);
}

double f_im(double x) {
        ;
        ;
        mpfr_set_d(r21314, x, MPFR_RNDN);
        mpfr_sub(r21315, r21313, r21314, MPFR_RNDN);
        mpfr_add(r21316, r21313, r21314, MPFR_RNDN);
        mpfr_div(r21317, r21315, r21316, MPFR_RNDN);
        mpfr_sqrt(r21318, r21317, MPFR_RNDN);
        mpfr_atan(r21319, r21318, MPFR_RNDN);
        mpfr_mul(r21320, r21312, r21319, MPFR_RNDN);
        return mpfr_get_d(r21320, MPFR_RNDN);
}

static mpfr_t r21321, r21322, r21323, r21324, r21325, r21326, r21327, r21328, r21329;

void setup_mpfr_f_fm() {
        mpfr_set_default_prec(400);
        mpfr_init_set_str(r21321, "2", 10, MPFR_RNDN);
        mpfr_init_set_str(r21322, "1", 10, MPFR_RNDN);
        mpfr_init(r21323);
        mpfr_init(r21324);
        mpfr_init(r21325);
        mpfr_init(r21326);
        mpfr_init(r21327);
        mpfr_init(r21328);
        mpfr_init(r21329);
}

double f_fm(double x) {
        ;
        ;
        mpfr_set_d(r21323, x, MPFR_RNDN);
        mpfr_sub(r21324, r21322, r21323, MPFR_RNDN);
        mpfr_add(r21325, r21322, r21323, MPFR_RNDN);
        mpfr_div(r21326, r21324, r21325, MPFR_RNDN);
        mpfr_sqrt(r21327, r21326, MPFR_RNDN);
        mpfr_atan(r21328, r21327, MPFR_RNDN);
        mpfr_mul(r21329, r21321, r21328, MPFR_RNDN);
        return mpfr_get_d(r21329, MPFR_RNDN);
}

static mpfr_t r21330, r21331, r21332, r21333, r21334, r21335, r21336, r21337, r21338;

void setup_mpfr_f_dm() {
        mpfr_set_default_prec(400);
        mpfr_init_set_str(r21330, "2", 10, MPFR_RNDN);
        mpfr_init_set_str(r21331, "1", 10, MPFR_RNDN);
        mpfr_init(r21332);
        mpfr_init(r21333);
        mpfr_init(r21334);
        mpfr_init(r21335);
        mpfr_init(r21336);
        mpfr_init(r21337);
        mpfr_init(r21338);
}

double f_dm(double x) {
        ;
        ;
        mpfr_set_d(r21332, x, MPFR_RNDN);
        mpfr_sub(r21333, r21331, r21332, MPFR_RNDN);
        mpfr_add(r21334, r21331, r21332, MPFR_RNDN);
        mpfr_div(r21335, r21333, r21334, MPFR_RNDN);
        mpfr_sqrt(r21336, r21335, MPFR_RNDN);
        mpfr_atan(r21337, r21336, MPFR_RNDN);
        mpfr_mul(r21338, r21330, r21337, MPFR_RNDN);
        return mpfr_get_d(r21338, MPFR_RNDN);
}