#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 r25347 = R;
        float r25348 = lambda1;
        float r25349 = lambda2;
        float r25350 = r25348 - r25349;
        float r25351 = phi1;
        float r25352 = phi2;
        float r25353 = r25351 + r25352;
        float r25354 = 2;
        float r25355 = r25353 / r25354;
        float r25356 = cos(r25355);
        float r25357 = r25350 * r25356;
        float r25358 = r25357 * r25357;
        float r25359 = r25351 - r25352;
        float r25360 = r25359 * r25359;
        float r25361 = r25358 + r25360;
        float r25362 = sqrt(r25361);
        float r25363 = r25347 * r25362;
        return r25363;
}

double f_id(double R, double lambda1, double lambda2, double phi1, double phi2) {
        double r25364 = R;
        double r25365 = lambda1;
        double r25366 = lambda2;
        double r25367 = r25365 - r25366;
        double r25368 = phi1;
        double r25369 = phi2;
        double r25370 = r25368 + r25369;
        double r25371 = 2;
        double r25372 = r25370 / r25371;
        double r25373 = cos(r25372);
        double r25374 = r25367 * r25373;
        double r25375 = r25374 * r25374;
        double r25376 = r25368 - r25369;
        double r25377 = r25376 * r25376;
        double r25378 = r25375 + r25377;
        double r25379 = sqrt(r25378);
        double r25380 = r25364 * r25379;
        return r25380;
}


double f_of(float R, float lambda1, float lambda2, float phi1, float phi2) {
        float r25381 = phi1;
        float r25382 = phi2;
        float r25383 = r25381 + r25382;
        float r25384 = 2;
        float r25385 = r25383 / r25384;
        float r25386 = cos(r25385);
        float r25387 = expm1(r25386);
        float r25388 = log1p(r25387);
        float r25389 = lambda1;
        float r25390 = lambda2;
        float r25391 = r25389 - r25390;
        float r25392 = r25388 * r25391;
        float r25393 = r25381 - r25382;
        float r25394 = hypot(r25392, r25393);
        float r25395 = R;
        float r25396 = r25394 * r25395;
        return r25396;
}

double f_od(double R, double lambda1, double lambda2, double phi1, double phi2) {
        double r25397 = phi1;
        double r25398 = phi2;
        double r25399 = r25397 + r25398;
        double r25400 = 2;
        double r25401 = r25399 / r25400;
        double r25402 = cos(r25401);
        double r25403 = expm1(r25402);
        double r25404 = log1p(r25403);
        double r25405 = lambda1;
        double r25406 = lambda2;
        double r25407 = r25405 - r25406;
        double r25408 = r25404 * r25407;
        double r25409 = r25397 - r25398;
        double r25410 = hypot(r25408, r25409);
        double r25411 = R;
        double r25412 = r25410 * r25411;
        return r25412;
}

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 r25413, r25414, r25415, r25416, r25417, r25418, r25419, r25420, r25421, r25422, r25423, r25424, r25425, r25426, r25427, r25428, r25429;

void setup_mpfr_f_im() {
        mpfr_set_default_prec(1360);
        mpfr_init(r25413);
        mpfr_init(r25414);
        mpfr_init(r25415);
        mpfr_init(r25416);
        mpfr_init(r25417);
        mpfr_init(r25418);
        mpfr_init(r25419);
        mpfr_init_set_str(r25420, "2", 10, MPFR_RNDN);
        mpfr_init(r25421);
        mpfr_init(r25422);
        mpfr_init(r25423);
        mpfr_init(r25424);
        mpfr_init(r25425);
        mpfr_init(r25426);
        mpfr_init(r25427);
        mpfr_init(r25428);
        mpfr_init(r25429);
}

double f_im(double R, double lambda1, double lambda2, double phi1, double phi2) {
        mpfr_set_d(r25413, R, MPFR_RNDN);
        mpfr_set_d(r25414, lambda1, MPFR_RNDN);
        mpfr_set_d(r25415, lambda2, MPFR_RNDN);
        mpfr_sub(r25416, r25414, r25415, MPFR_RNDN);
        mpfr_set_d(r25417, phi1, MPFR_RNDN);
        mpfr_set_d(r25418, phi2, MPFR_RNDN);
        mpfr_add(r25419, r25417, r25418, MPFR_RNDN);
        ;
        mpfr_div(r25421, r25419, r25420, MPFR_RNDN);
        mpfr_cos(r25422, r25421, MPFR_RNDN);
        mpfr_mul(r25423, r25416, r25422, MPFR_RNDN);
        mpfr_mul(r25424, r25423, r25423, MPFR_RNDN);
        mpfr_sub(r25425, r25417, r25418, MPFR_RNDN);
        mpfr_mul(r25426, r25425, r25425, MPFR_RNDN);
        mpfr_add(r25427, r25424, r25426, MPFR_RNDN);
        mpfr_sqrt(r25428, r25427, MPFR_RNDN);
        mpfr_mul(r25429, r25413, r25428, MPFR_RNDN);
        return mpfr_get_d(r25429, MPFR_RNDN);
}

static mpfr_t r25430, r25431, r25432, r25433, r25434, r25435, r25436, r25437, r25438, r25439, r25440, r25441, r25442, r25443, r25444, r25445;

void setup_mpfr_f_fm() {
        mpfr_set_default_prec(1360);
        mpfr_init(r25430);
        mpfr_init(r25431);
        mpfr_init(r25432);
        mpfr_init_set_str(r25433, "2", 10, MPFR_RNDN);
        mpfr_init(r25434);
        mpfr_init(r25435);
        mpfr_init(r25436);
        mpfr_init(r25437);
        mpfr_init(r25438);
        mpfr_init(r25439);
        mpfr_init(r25440);
        mpfr_init(r25441);
        mpfr_init(r25442);
        mpfr_init(r25443);
        mpfr_init(r25444);
        mpfr_init(r25445);
}

double f_fm(double R, double lambda1, double lambda2, double phi1, double phi2) {
        mpfr_set_d(r25430, phi1, MPFR_RNDN);
        mpfr_set_d(r25431, phi2, MPFR_RNDN);
        mpfr_add(r25432, r25430, r25431, MPFR_RNDN);
        ;
        mpfr_div(r25434, r25432, r25433, MPFR_RNDN);
        mpfr_cos(r25435, r25434, MPFR_RNDN);
        mpfr_expm1(r25436, r25435, MPFR_RNDN);
        mpfr_log1p(r25437, r25436, MPFR_RNDN);
        mpfr_set_d(r25438, lambda1, MPFR_RNDN);
        mpfr_set_d(r25439, lambda2, MPFR_RNDN);
        mpfr_sub(r25440, r25438, r25439, MPFR_RNDN);
        mpfr_mul(r25441, r25437, r25440, MPFR_RNDN);
        mpfr_sub(r25442, r25430, r25431, MPFR_RNDN);
        mpfr_hypot(r25443, r25441, r25442, MPFR_RNDN);
        mpfr_set_d(r25444, R, MPFR_RNDN);
        mpfr_mul(r25445, r25443, r25444, MPFR_RNDN);
        return mpfr_get_d(r25445, MPFR_RNDN);
}

static mpfr_t r25446, r25447, r25448, r25449, r25450, r25451, r25452, r25453, r25454, r25455, r25456, r25457, r25458, r25459, r25460, r25461;

void setup_mpfr_f_dm() {
        mpfr_set_default_prec(1360);
        mpfr_init(r25446);
        mpfr_init(r25447);
        mpfr_init(r25448);
        mpfr_init_set_str(r25449, "2", 10, MPFR_RNDN);
        mpfr_init(r25450);
        mpfr_init(r25451);
        mpfr_init(r25452);
        mpfr_init(r25453);
        mpfr_init(r25454);
        mpfr_init(r25455);
        mpfr_init(r25456);
        mpfr_init(r25457);
        mpfr_init(r25458);
        mpfr_init(r25459);
        mpfr_init(r25460);
        mpfr_init(r25461);
}

double f_dm(double R, double lambda1, double lambda2, double phi1, double phi2) {
        mpfr_set_d(r25446, phi1, MPFR_RNDN);
        mpfr_set_d(r25447, phi2, MPFR_RNDN);
        mpfr_add(r25448, r25446, r25447, MPFR_RNDN);
        ;
        mpfr_div(r25450, r25448, r25449, MPFR_RNDN);
        mpfr_cos(r25451, r25450, MPFR_RNDN);
        mpfr_expm1(r25452, r25451, MPFR_RNDN);
        mpfr_log1p(r25453, r25452, MPFR_RNDN);
        mpfr_set_d(r25454, lambda1, MPFR_RNDN);
        mpfr_set_d(r25455, lambda2, MPFR_RNDN);
        mpfr_sub(r25456, r25454, r25455, MPFR_RNDN);
        mpfr_mul(r25457, r25453, r25456, MPFR_RNDN);
        mpfr_sub(r25458, r25446, r25447, MPFR_RNDN);
        mpfr_hypot(r25459, r25457, r25458, MPFR_RNDN);
        mpfr_set_d(r25460, R, MPFR_RNDN);
        mpfr_mul(r25461, r25459, r25460, MPFR_RNDN);
        return mpfr_get_d(r25461, MPFR_RNDN);
}