#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 r22850 = R;
        float r22851 = lambda1;
        float r22852 = lambda2;
        float r22853 = r22851 - r22852;
        float r22854 = phi1;
        float r22855 = phi2;
        float r22856 = r22854 + r22855;
        float r22857 = 2;
        float r22858 = r22856 / r22857;
        float r22859 = cos(r22858);
        float r22860 = r22853 * r22859;
        float r22861 = r22860 * r22860;
        float r22862 = r22854 - r22855;
        float r22863 = r22862 * r22862;
        float r22864 = r22861 + r22863;
        float r22865 = sqrt(r22864);
        float r22866 = r22850 * r22865;
        return r22866;
}

double f_id(double R, double lambda1, double lambda2, double phi1, double phi2) {
        double r22867 = R;
        double r22868 = lambda1;
        double r22869 = lambda2;
        double r22870 = r22868 - r22869;
        double r22871 = phi1;
        double r22872 = phi2;
        double r22873 = r22871 + r22872;
        double r22874 = 2;
        double r22875 = r22873 / r22874;
        double r22876 = cos(r22875);
        double r22877 = r22870 * r22876;
        double r22878 = r22877 * r22877;
        double r22879 = r22871 - r22872;
        double r22880 = r22879 * r22879;
        double r22881 = r22878 + r22880;
        double r22882 = sqrt(r22881);
        double r22883 = r22867 * r22882;
        return r22883;
}


double f_of(float R, float lambda1, float lambda2, float phi1, float phi2) {
        float r22884 = phi1;
        float r22885 = phi2;
        float r22886 = r22884 + r22885;
        float r22887 = 2;
        float r22888 = r22886 / r22887;
        float r22889 = cos(r22888);
        float r22890 = log1p(r22889);
        float r22891 = expm1(r22890);
        float r22892 = lambda1;
        float r22893 = lambda2;
        float r22894 = r22892 - r22893;
        float r22895 = r22891 * r22894;
        float r22896 = r22884 - r22885;
        float r22897 = hypot(r22895, r22896);
        float r22898 = R;
        float r22899 = r22897 * r22898;
        return r22899;
}

double f_od(double R, double lambda1, double lambda2, double phi1, double phi2) {
        double r22900 = phi1;
        double r22901 = phi2;
        double r22902 = r22900 + r22901;
        double r22903 = 2;
        double r22904 = r22902 / r22903;
        double r22905 = cos(r22904);
        double r22906 = log1p(r22905);
        double r22907 = expm1(r22906);
        double r22908 = lambda1;
        double r22909 = lambda2;
        double r22910 = r22908 - r22909;
        double r22911 = r22907 * r22910;
        double r22912 = r22900 - r22901;
        double r22913 = hypot(r22911, r22912);
        double r22914 = R;
        double r22915 = r22913 * r22914;
        return r22915;
}

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 r22916, r22917, r22918, r22919, r22920, r22921, r22922, r22923, r22924, r22925, r22926, r22927, r22928, r22929, r22930, r22931, r22932;

void setup_mpfr_f_im() {
        mpfr_set_default_prec(1424);
        mpfr_init(r22916);
        mpfr_init(r22917);
        mpfr_init(r22918);
        mpfr_init(r22919);
        mpfr_init(r22920);
        mpfr_init(r22921);
        mpfr_init(r22922);
        mpfr_init_set_str(r22923, "2", 10, MPFR_RNDN);
        mpfr_init(r22924);
        mpfr_init(r22925);
        mpfr_init(r22926);
        mpfr_init(r22927);
        mpfr_init(r22928);
        mpfr_init(r22929);
        mpfr_init(r22930);
        mpfr_init(r22931);
        mpfr_init(r22932);
}

double f_im(double R, double lambda1, double lambda2, double phi1, double phi2) {
        mpfr_set_d(r22916, R, MPFR_RNDN);
        mpfr_set_d(r22917, lambda1, MPFR_RNDN);
        mpfr_set_d(r22918, lambda2, MPFR_RNDN);
        mpfr_sub(r22919, r22917, r22918, MPFR_RNDN);
        mpfr_set_d(r22920, phi1, MPFR_RNDN);
        mpfr_set_d(r22921, phi2, MPFR_RNDN);
        mpfr_add(r22922, r22920, r22921, MPFR_RNDN);
        ;
        mpfr_div(r22924, r22922, r22923, MPFR_RNDN);
        mpfr_cos(r22925, r22924, MPFR_RNDN);
        mpfr_mul(r22926, r22919, r22925, MPFR_RNDN);
        mpfr_mul(r22927, r22926, r22926, MPFR_RNDN);
        mpfr_sub(r22928, r22920, r22921, MPFR_RNDN);
        mpfr_mul(r22929, r22928, r22928, MPFR_RNDN);
        mpfr_add(r22930, r22927, r22929, MPFR_RNDN);
        mpfr_sqrt(r22931, r22930, MPFR_RNDN);
        mpfr_mul(r22932, r22916, r22931, MPFR_RNDN);
        return mpfr_get_d(r22932, MPFR_RNDN);
}

static mpfr_t r22933, r22934, r22935, r22936, r22937, r22938, r22939, r22940, r22941, r22942, r22943, r22944, r22945, r22946, r22947, r22948;

void setup_mpfr_f_fm() {
        mpfr_set_default_prec(1424);
        mpfr_init(r22933);
        mpfr_init(r22934);
        mpfr_init(r22935);
        mpfr_init_set_str(r22936, "2", 10, MPFR_RNDN);
        mpfr_init(r22937);
        mpfr_init(r22938);
        mpfr_init(r22939);
        mpfr_init(r22940);
        mpfr_init(r22941);
        mpfr_init(r22942);
        mpfr_init(r22943);
        mpfr_init(r22944);
        mpfr_init(r22945);
        mpfr_init(r22946);
        mpfr_init(r22947);
        mpfr_init(r22948);
}

double f_fm(double R, double lambda1, double lambda2, double phi1, double phi2) {
        mpfr_set_d(r22933, phi1, MPFR_RNDN);
        mpfr_set_d(r22934, phi2, MPFR_RNDN);
        mpfr_add(r22935, r22933, r22934, MPFR_RNDN);
        ;
        mpfr_div(r22937, r22935, r22936, MPFR_RNDN);
        mpfr_cos(r22938, r22937, MPFR_RNDN);
        mpfr_log1p(r22939, r22938, MPFR_RNDN);
        mpfr_expm1(r22940, r22939, MPFR_RNDN);
        mpfr_set_d(r22941, lambda1, MPFR_RNDN);
        mpfr_set_d(r22942, lambda2, MPFR_RNDN);
        mpfr_sub(r22943, r22941, r22942, MPFR_RNDN);
        mpfr_mul(r22944, r22940, r22943, MPFR_RNDN);
        mpfr_sub(r22945, r22933, r22934, MPFR_RNDN);
        mpfr_hypot(r22946, r22944, r22945, MPFR_RNDN);
        mpfr_set_d(r22947, R, MPFR_RNDN);
        mpfr_mul(r22948, r22946, r22947, MPFR_RNDN);
        return mpfr_get_d(r22948, MPFR_RNDN);
}

static mpfr_t r22949, r22950, r22951, r22952, r22953, r22954, r22955, r22956, r22957, r22958, r22959, r22960, r22961, r22962, r22963, r22964;

void setup_mpfr_f_dm() {
        mpfr_set_default_prec(1424);
        mpfr_init(r22949);
        mpfr_init(r22950);
        mpfr_init(r22951);
        mpfr_init_set_str(r22952, "2", 10, MPFR_RNDN);
        mpfr_init(r22953);
        mpfr_init(r22954);
        mpfr_init(r22955);
        mpfr_init(r22956);
        mpfr_init(r22957);
        mpfr_init(r22958);
        mpfr_init(r22959);
        mpfr_init(r22960);
        mpfr_init(r22961);
        mpfr_init(r22962);
        mpfr_init(r22963);
        mpfr_init(r22964);
}

double f_dm(double R, double lambda1, double lambda2, double phi1, double phi2) {
        mpfr_set_d(r22949, phi1, MPFR_RNDN);
        mpfr_set_d(r22950, phi2, MPFR_RNDN);
        mpfr_add(r22951, r22949, r22950, MPFR_RNDN);
        ;
        mpfr_div(r22953, r22951, r22952, MPFR_RNDN);
        mpfr_cos(r22954, r22953, MPFR_RNDN);
        mpfr_log1p(r22955, r22954, MPFR_RNDN);
        mpfr_expm1(r22956, r22955, MPFR_RNDN);
        mpfr_set_d(r22957, lambda1, MPFR_RNDN);
        mpfr_set_d(r22958, lambda2, MPFR_RNDN);
        mpfr_sub(r22959, r22957, r22958, MPFR_RNDN);
        mpfr_mul(r22960, r22956, r22959, MPFR_RNDN);
        mpfr_sub(r22961, r22949, r22950, MPFR_RNDN);
        mpfr_hypot(r22962, r22960, r22961, MPFR_RNDN);
        mpfr_set_d(r22963, R, MPFR_RNDN);
        mpfr_mul(r22964, r22962, r22963, MPFR_RNDN);
        return mpfr_get_d(r22964, MPFR_RNDN);
}