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

char *name = "Jmat.Real.lambertw, newton loop step";

double f_if(float wj, float x) {
        float r18915 = wj;
        float r18916 = exp(r18915);
        float r18917 = r18915 * r18916;
        float r18918 = x;
        float r18919 = r18917 - r18918;
        float r18920 = r18916 + r18917;
        float r18921 = r18919 / r18920;
        float r18922 = r18915 - r18921;
        return r18922;
}

double f_id(double wj, double x) {
        double r18923 = wj;
        double r18924 = exp(r18923);
        double r18925 = r18923 * r18924;
        double r18926 = x;
        double r18927 = r18925 - r18926;
        double r18928 = r18924 + r18925;
        double r18929 = r18927 / r18928;
        double r18930 = r18923 - r18929;
        return r18930;
}


double f_of(float wj, float x) {
        float r18931 = wj;
        float r18932 = r18931 * r18931;
        float r18933 = r18931 - r18932;
        float r18934 = x;
        float r18935 = exp(r18931);
        float r18936 = fma(r18931, r18935, r18935);
        float r18937 = r18934 / r18936;
        float r18938 = fma(r18933, r18931, r18937);
        return r18938;
}

double f_od(double wj, double x) {
        double r18939 = wj;
        double r18940 = r18939 * r18939;
        double r18941 = r18939 - r18940;
        double r18942 = x;
        double r18943 = exp(r18939);
        double r18944 = fma(r18939, r18943, r18943);
        double r18945 = r18942 / r18944;
        double r18946 = fma(r18941, r18939, r18945);
        return r18946;
}

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 r18947, r18948, r18949, r18950, r18951, r18952, r18953, r18954;

void setup_mpfr_f_im() {
        mpfr_set_default_prec(144);
        mpfr_init(r18947);
        mpfr_init(r18948);
        mpfr_init(r18949);
        mpfr_init(r18950);
        mpfr_init(r18951);
        mpfr_init(r18952);
        mpfr_init(r18953);
        mpfr_init(r18954);
}

double f_im(double wj, double x) {
        mpfr_set_d(r18947, wj, MPFR_RNDN);
        mpfr_exp(r18948, r18947, MPFR_RNDN);
        mpfr_mul(r18949, r18947, r18948, MPFR_RNDN);
        mpfr_set_d(r18950, x, MPFR_RNDN);
        mpfr_sub(r18951, r18949, r18950, MPFR_RNDN);
        mpfr_add(r18952, r18948, r18949, MPFR_RNDN);
        mpfr_div(r18953, r18951, r18952, MPFR_RNDN);
        mpfr_sub(r18954, r18947, r18953, MPFR_RNDN);
        return mpfr_get_d(r18954, MPFR_RNDN);
}

static mpfr_t r18955, r18956, r18957, r18958, r18959, r18960, r18961, r18962;

void setup_mpfr_f_fm() {
        mpfr_set_default_prec(144);
        mpfr_init(r18955);
        mpfr_init(r18956);
        mpfr_init(r18957);
        mpfr_init(r18958);
        mpfr_init(r18959);
        mpfr_init(r18960);
        mpfr_init(r18961);
        mpfr_init(r18962);
}

double f_fm(double wj, double x) {
        mpfr_set_d(r18955, wj, MPFR_RNDN);
        mpfr_sqr(r18956, r18955, MPFR_RNDN);
        mpfr_sub(r18957, r18955, r18956, MPFR_RNDN);
        mpfr_set_d(r18958, x, MPFR_RNDN);
        mpfr_exp(r18959, r18955, MPFR_RNDN);
        mpfr_fma(r18960, r18955, r18959, r18959, MPFR_RNDN);
        mpfr_div(r18961, r18958, r18960, MPFR_RNDN);
        mpfr_fma(r18962, r18957, r18955, r18961, MPFR_RNDN);
        return mpfr_get_d(r18962, MPFR_RNDN);
}

static mpfr_t r18963, r18964, r18965, r18966, r18967, r18968, r18969, r18970;

void setup_mpfr_f_dm() {
        mpfr_set_default_prec(144);
        mpfr_init(r18963);
        mpfr_init(r18964);
        mpfr_init(r18965);
        mpfr_init(r18966);
        mpfr_init(r18967);
        mpfr_init(r18968);
        mpfr_init(r18969);
        mpfr_init(r18970);
}

double f_dm(double wj, double x) {
        mpfr_set_d(r18963, wj, MPFR_RNDN);
        mpfr_sqr(r18964, r18963, MPFR_RNDN);
        mpfr_sub(r18965, r18963, r18964, MPFR_RNDN);
        mpfr_set_d(r18966, x, MPFR_RNDN);
        mpfr_exp(r18967, r18963, MPFR_RNDN);
        mpfr_fma(r18968, r18963, r18967, r18967, MPFR_RNDN);
        mpfr_div(r18969, r18966, r18968, MPFR_RNDN);
        mpfr_fma(r18970, r18965, r18963, r18969, MPFR_RNDN);
        return mpfr_get_d(r18970, MPFR_RNDN);
}