mandelbrot/utils.h

#pragma once

#include <cstdint>
#include <mpfr.h>
#include <string>

namespace Util {

class rgb {
public:
    uint8_t r;
    uint8_t g;
    uint8_t b;
    rgb(uint8_t r, uint8_t g, uint8_t b);
};

class Vec2i {
public:
    int x;
    int y;
    Vec2i(int x, int y);
};

class Vec2f {
public:
    float x;
    float y;
    Vec2f(float x, float y);
};

class Vec2d {
public:
    double x;
    double y;
    Vec2d(double x, double y);
};

class BigFloat {
public:
    uint32_t precision;
    mpfr_t val;
    
    BigFloat(uint32_t prec);
    void setValue(double val);
    std::string to_str();
    BigFloat operator / (const BigFloat &f);

    inline BigFloat operator - (const BigFloat &f) const
    {
        BigFloat res = BigFloat(f.precision);
        mpfr_sub(res.val, this->val, f.val, MPFR_RNDD);

        return res;
    }

    inline BigFloat operator - (const double d) const
    {
        BigFloat res = BigFloat(this->precision);
        mpfr_sub_d(res.val, this->val, d, MPFR_RNDD);

        return res;
    }

    inline BigFloat operator * (const BigFloat &f) const
    {
        BigFloat res = BigFloat(f.precision);
        mpfr_mul(res.val, this->val, f.val, MPFR_RNDD);

        return res;
    }

    inline BigFloat operator * (const double d) const
    {
        BigFloat res = BigFloat(this->precision);
        mpfr_mul_d(res.val, this->val, d, MPFR_RNDD);

        return res;
    }

    inline BigFloat operator + (const BigFloat &f) const
    {
        BigFloat res = BigFloat(f.precision);
        mpfr_add(res.val, this->val, f.val, MPFR_RNDD);

        return res;
    }

    inline BigFloat operator + (const double d) const
    {
        BigFloat res = BigFloat(this->precision);
        mpfr_add_d(res.val, this->val, d, MPFR_RNDD);

        return res;
    }

    inline bool operator < (const BigFloat &f)
    {
        if (mpfr_cmp(this->val, f.val) < 0)
            return true;
        return false;
    }

    inline bool operator > (const BigFloat &f)
    {
        if (mpfr_cmp(this->val, f.val) > 0)
            return true;
        return false;
    }

    inline bool operator <= (const BigFloat &f)
    {
        int v = mpfr_cmp(this->val, f.val);

        if (v < 0 || v == 0)
            return true;
        return false;
    }

    inline bool operator >= (const BigFloat &f)
    {
        int v = mpfr_cmp(this->val, f.val);

        if (v > 0 || v == 0)
            return true;
        return false;
    }

    inline bool operator < (const double d)
    {
        if (mpfr_cmp_d(this->val, d) < 0)
            return true;
        return false;
    }

    inline bool operator > (const double d)
    {
        if (mpfr_cmp_d(this->val, d) > 0)
            return true;
        return false;
    }

    inline bool operator <= (const double d)
    {
        int v = mpfr_cmp_d(this->val, d);

        if (v < 0 || v == 0)
            return true;
        return false;
    }

    inline bool operator >= (const double d)
    {
        int v = mpfr_cmp_d(this->val, d);

        if (v > 0 || v == 0)
            return true;
        return false;
    }
};

class Vec2bf {
public:
    BigFloat x;
    BigFloat y;
    Vec2bf(double x, double y, uint32_t prec);
};

}