Literals.hpp

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#pragma once
#include "AstGlobal.h"
#include "Constants.h"
 
AST_NAMESPACE_BEGIN
 
namespace literals
{
    // 角度单位 - 基于弧度的单位制. 所有角度转换最终表示为弧度
 
    inline constexpr double operator ""_rad(long double val)
    {
        return val;
    }
    
    inline constexpr double operator ""_rad(unsigned long long val)
    {
        return static_cast<double>(val);
    }
    
    inline constexpr double operator ""_deg(long double val)
    {
        return val * kDegToRad;
    }
    
    inline constexpr double operator ""_deg(unsigned long long val)
    {
        return val * kDegToRad;
    }
 
    inline constexpr double operator ""_arcsec(long double val)
    {
        return val * kArcSecToRad;
    }
    
    inline constexpr double operator ""_arcsec(unsigned long long val)
    {
        return val * kArcSecToRad;
    }
 
    inline constexpr double operator ""_revs(long double val)
    {
        return val * kRevolutionToRad;
    }
    
    inline constexpr double operator ""_revs(unsigned long long val)
    {
        return val * kRevolutionToRad;
    }
 
    // 长度单位 - 基于米的单位制. 所有长度转换最终表示为米
 
    inline constexpr double operator ""_km(long double val)
    {
        return val * kKilometerToMeter;
    }
    
    inline constexpr double operator ""_km(unsigned long long val)
    {
        return val * kKilometerToMeter;
    }
    
    inline constexpr double operator ""_m(long double val)
    {
        return val;
    }
    
    inline constexpr double operator ""_m(unsigned long long val)
    {
        return static_cast<double>(val);
    }
    
    inline constexpr double operator ""_cm(long double val)
    {
        return val * kCentimeterToMeter;
    }
    
    inline constexpr double operator ""_cm(unsigned long long val)
    {
        return val * kCentimeterToMeter;
    }
    
    inline constexpr double operator ""_mm(long double val)
    {
        return val * kMillimeterToMeter;
    }
    
    inline constexpr double operator ""_mm(unsigned long long val)
    {
        return val * kMillimeterToMeter;
    }
    
    inline constexpr double operator ""_um(long double val)
    {
        return val * kMicroMeterToMeter;
    }
    
    inline constexpr double operator ""_um(unsigned long long val)
    {
        return val * kMicroMeterToMeter;
    }
    
    inline constexpr double operator ""_nm(long double val)
    {
        return val * kNanometerToMeter;
    }
    
    inline constexpr double operator ""_nm(unsigned long long val)
    {
        return val * kNanometerToMeter;
    }
 
    inline constexpr double operator ""_au(long double val)
    {
        return val * kAU;
    }
    
    inline constexpr double operator ""_au(unsigned long long val)
    {
        return val * kAU;
    }
 
 
    // 时间单位 - 基于秒的单位制. 所有时间转换最终表示为秒
    
    inline constexpr double operator ""_s(long double val)
    {
        return val;
    }
    
    inline constexpr double operator ""_s(unsigned long long val)
    {
        return static_cast<double>(val);
    }
    
    inline constexpr double operator ""_min(long double val)
    {
        return val * kMinToSec;
    }
    
    inline constexpr double operator ""_min(unsigned long long val)
    {
        return val * kMinToSec;
    }
    
    inline constexpr double operator ""_h(long double val)
    {
        return val * kHourToSec;
    }
    
    inline constexpr double operator ""_h(unsigned long long val)
    {
        return val * kHourToSec;
    }
 
    inline constexpr double operator ""_hour(long double val)
    {
        return val * kHourToSec;
    }
 
    inline constexpr double operator ""_hour(unsigned long long val)
    {
        return static_cast<double>(val) * kHourToSec;
    }
    
    inline constexpr double operator ""_day(long double val)
    {
        return val * kDayToSec;
    }
    
    inline constexpr double operator ""_day(unsigned long long val)
    {
        return val * kDayToSec;
    }
    
    inline constexpr double operator ""_ms(long double val)
    {
        return val * kMilliSecToSec;
    }
    
    inline constexpr double operator ""_ms(unsigned long long val)
    {
        return val * kMilliSecToSec;
    }
    
    inline constexpr double operator ""_us(long double val)
    {
        return val * kMicroSecToSec;
    }
    
    inline constexpr double operator ""_us(unsigned long long val)
    {
        return val * kMicroSecToSec;
    }
    
    inline constexpr double operator ""_ns(long double val)
    {
        return val * kNanoSecToSec;
    }
    
    inline constexpr double operator ""_ns(unsigned long long val)
    {
        return val * kNanoSecToSec;
    }
    
    inline constexpr double operator ""_ps(long double val)
    {
        return val * kPicoSecToSec;
    }
    
    inline constexpr double operator ""_ps(unsigned long long val)
    {
        return val * kPicoSecToSec;
    }
 
    // 质量单位 - 基于kg的单位制
 
    inline constexpr double operator ""_kg(long double val)
    {
        return val;
    }
 
    inline constexpr double operator ""_kg(unsigned long long val)
    {
        return static_cast<double>(val);
    }
 
    inline constexpr double operator ""_g(long double val)
    {
        return val * 1e-3;
    }
 
    inline constexpr double operator ""_g(unsigned long long val)
    {
        return val * 1e-3;
    }
 
 
 
    // 速度单位 - 基于m/s的单位制
    
    inline constexpr double operator ""_m_s(long double val)
    {
        return val;
    }
    
    inline constexpr double operator ""_m_s(unsigned long long val)
    {
        return static_cast<double>(val);
    }
    
    inline constexpr double operator ""_km_s(long double val)
    {
        return val * kKilometerToMeter;
    }
    
    inline constexpr double operator ""_km_s(unsigned long long val)
    {
        return val * kKilometerToMeter;
    }
    
    inline constexpr double operator ""_km_h(long double val)
    {
        return val * kKilometerToMeter / kHourToSec;
    }
    
    inline constexpr double operator ""_km_h(unsigned long long val)
    {
        return val * kKilometerToMeter / kHourToSec;
    }
 
    // 角速度单位 - 基于 rad/s的单位制
    
    inline constexpr double operator ""_rad_s(long double val)
    {
        return val;
    }
    
    inline constexpr double operator ""_rad_s(unsigned long long val)
    {
        return static_cast<double>(val);
    }
    
    inline constexpr double operator ""_deg_s(long double val)
    {
        return val * kDegToRad;
    }
    
    inline constexpr double operator ""_deg_s(unsigned long long val)
    {
        return val * kDegToRad;
    }
 
    // 面积单位 - 基于m2的单位制
 
    inline constexpr double operator ""_m2(long double val)
    {
        return val;
    }
    
    inline constexpr double operator ""_m2(unsigned long long val)
    {
        return static_cast<double>(val);
    }
 
 
    //----------------
    // unit literals
    //----------------
 
    constexpr double deg = 1_deg;
    constexpr double rad = 1_rad;
    constexpr double arcsec = 1_arcsec;
 
    constexpr double m = 1_m;
    constexpr double km = 1_km;
    constexpr double cm = 1_cm;
    constexpr double au = 1_au;
    
 
    constexpr double s = 1_s;
    constexpr double sec = 1_s;
    constexpr double ms = 1_ms;
    constexpr double min = 1_min;
    constexpr double h = 1_h;
    constexpr double day = 1_day;
}
 
// 导入字面量命名空间到ast命名空间，便于使用
using namespace literals;
 
AST_NAMESPACE_END