#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 r25000 = wj;
        float r25001 = exp(r25000);
        float r25002 = r25000 * r25001;
        float r25003 = x;
        float r25004 = r25002 - r25003;
        float r25005 = r25001 + r25002;
        float r25006 = r25004 / r25005;
        float r25007 = r25000 - r25006;
        return r25007;
}

double f_id(double wj, double x) {
        double r25008 = wj;
        double r25009 = exp(r25008);
        double r25010 = r25008 * r25009;
        double r25011 = x;
        double r25012 = r25010 - r25011;
        double r25013 = r25009 + r25010;
        double r25014 = r25012 / r25013;
        double r25015 = r25008 - r25014;
        return r25015;
}


double f_of(float wj, float x) {
        float r25016 = x;
        float r25017 = 2;
        float r25018 = r25016 * r25017;
        float r25019 = wj;
        float r25020 = -r25019;
        float r25021 = fma(r25019, r25019, r25016);
        float r25022 = fma(r25018, r25020, r25021);
        return r25022;
}

double f_od(double wj, double x) {
        double r25023 = x;
        double r25024 = 2;
        double r25025 = r25023 * r25024;
        double r25026 = wj;
        double r25027 = -r25026;
        double r25028 = fma(r25026, r25026, r25023);
        double r25029 = fma(r25025, r25027, r25028);
        return r25029;
}

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 r25030, r25031, r25032, r25033, r25034, r25035, r25036, r25037;

void setup_mpfr_f_im() {
        mpfr_set_default_prec(912);
        mpfr_init(r25030);
        mpfr_init(r25031);
        mpfr_init(r25032);
        mpfr_init(r25033);
        mpfr_init(r25034);
        mpfr_init(r25035);
        mpfr_init(r25036);
        mpfr_init(r25037);
}

double f_im(double wj, double x) {
        mpfr_set_d(r25030, wj, MPFR_RNDN);
        mpfr_exp(r25031, r25030, MPFR_RNDN);
        mpfr_mul(r25032, r25030, r25031, MPFR_RNDN);
        mpfr_set_d(r25033, x, MPFR_RNDN);
        mpfr_sub(r25034, r25032, r25033, MPFR_RNDN);
        mpfr_add(r25035, r25031, r25032, MPFR_RNDN);
        mpfr_div(r25036, r25034, r25035, MPFR_RNDN);
        mpfr_sub(r25037, r25030, r25036, MPFR_RNDN);
        return mpfr_get_d(r25037, MPFR_RNDN);
}

static mpfr_t r25038, r25039, r25040, r25041, r25042, r25043, r25044;

void setup_mpfr_f_fm() {
        mpfr_set_default_prec(912);
        mpfr_init(r25038);
        mpfr_init_set_str(r25039, "2", 10, MPFR_RNDN);
        mpfr_init(r25040);
        mpfr_init(r25041);
        mpfr_init(r25042);
        mpfr_init(r25043);
        mpfr_init(r25044);
}

double f_fm(double wj, double x) {
        mpfr_set_d(r25038, x, MPFR_RNDN);
        ;
        mpfr_mul(r25040, r25038, r25039, MPFR_RNDN);
        mpfr_set_d(r25041, wj, MPFR_RNDN);
        mpfr_neg(r25042, r25041, MPFR_RNDN);
        mpfr_fma(r25043, r25041, r25041, r25038, MPFR_RNDN);
        mpfr_fma(r25044, r25040, r25042, r25043, MPFR_RNDN);
        return mpfr_get_d(r25044, MPFR_RNDN);
}

static mpfr_t r25045, r25046, r25047, r25048, r25049, r25050, r25051;

void setup_mpfr_f_dm() {
        mpfr_set_default_prec(912);
        mpfr_init(r25045);
        mpfr_init_set_str(r25046, "2", 10, MPFR_RNDN);
        mpfr_init(r25047);
        mpfr_init(r25048);
        mpfr_init(r25049);
        mpfr_init(r25050);
        mpfr_init(r25051);
}

double f_dm(double wj, double x) {
        mpfr_set_d(r25045, x, MPFR_RNDN);
        ;
        mpfr_mul(r25047, r25045, r25046, MPFR_RNDN);
        mpfr_set_d(r25048, wj, MPFR_RNDN);
        mpfr_neg(r25049, r25048, MPFR_RNDN);
        mpfr_fma(r25050, r25048, r25048, r25045, MPFR_RNDN);
        mpfr_fma(r25051, r25047, r25049, r25050, MPFR_RNDN);
        return mpfr_get_d(r25051, MPFR_RNDN);
}