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

char *name = "Graphics.Rasterific.Shading:$sgradientColorAt from Rasterific-0.6.1";

double f_if(float x, float y, float z) {
        float r51148 = x;
        float r51149 = y;
        float r51150 = r51148 - r51149;
        float r51151 = z;
        float r51152 = r51151 - r51149;
        float r51153 = r51150 / r51152;
        return r51153;
}

double f_id(double x, double y, double z) {
        double r51154 = x;
        double r51155 = y;
        double r51156 = r51154 - r51155;
        double r51157 = z;
        double r51158 = r51157 - r51155;
        double r51159 = r51156 / r51158;
        return r51159;
}


double f_of(float x, float y, float z) {
        float r51160 = x;
        float r51161 = y;
        float r51162 = r51160 - r51161;
        float r51163 = z;
        float r51164 = r51163 - r51161;
        float r51165 = r51162 / r51164;
        return r51165;
}

double f_od(double x, double y, double z) {
        double r51166 = x;
        double r51167 = y;
        double r51168 = r51166 - r51167;
        double r51169 = z;
        double r51170 = r51169 - r51167;
        double r51171 = r51168 / r51170;
        return r51171;
}

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 r51172, r51173, r51174, r51175, r51176, r51177;

void setup_mpfr_f_im() {
        mpfr_set_default_prec(400);
        mpfr_init(r51172);
        mpfr_init(r51173);
        mpfr_init(r51174);
        mpfr_init(r51175);
        mpfr_init(r51176);
        mpfr_init(r51177);
}

double f_im(double x, double y, double z) {
        mpfr_set_d(r51172, x, MPFR_RNDN);
        mpfr_set_d(r51173, y, MPFR_RNDN);
        mpfr_sub(r51174, r51172, r51173, MPFR_RNDN);
        mpfr_set_d(r51175, z, MPFR_RNDN);
        mpfr_sub(r51176, r51175, r51173, MPFR_RNDN);
        mpfr_div(r51177, r51174, r51176, MPFR_RNDN);
        return mpfr_get_d(r51177, MPFR_RNDN);
}

static mpfr_t r51178, r51179, r51180, r51181, r51182, r51183;

void setup_mpfr_f_fm() {
        mpfr_set_default_prec(400);
        mpfr_init(r51178);
        mpfr_init(r51179);
        mpfr_init(r51180);
        mpfr_init(r51181);
        mpfr_init(r51182);
        mpfr_init(r51183);
}

double f_fm(double x, double y, double z) {
        mpfr_set_d(r51178, x, MPFR_RNDN);
        mpfr_set_d(r51179, y, MPFR_RNDN);
        mpfr_sub(r51180, r51178, r51179, MPFR_RNDN);
        mpfr_set_d(r51181, z, MPFR_RNDN);
        mpfr_sub(r51182, r51181, r51179, MPFR_RNDN);
        mpfr_div(r51183, r51180, r51182, MPFR_RNDN);
        return mpfr_get_d(r51183, MPFR_RNDN);
}

static mpfr_t r51184, r51185, r51186, r51187, r51188, r51189;

void setup_mpfr_f_dm() {
        mpfr_set_default_prec(400);
        mpfr_init(r51184);
        mpfr_init(r51185);
        mpfr_init(r51186);
        mpfr_init(r51187);
        mpfr_init(r51188);
        mpfr_init(r51189);
}

double f_dm(double x, double y, double z) {
        mpfr_set_d(r51184, x, MPFR_RNDN);
        mpfr_set_d(r51185, y, MPFR_RNDN);
        mpfr_sub(r51186, r51184, r51185, MPFR_RNDN);
        mpfr_set_d(r51187, z, MPFR_RNDN);
        mpfr_sub(r51188, r51187, r51185, MPFR_RNDN);
        mpfr_div(r51189, r51186, r51188, MPFR_RNDN);
        return mpfr_get_d(r51189, MPFR_RNDN);
}