標(biāo)題: c++二元一次方和求解程序 [打印本頁(yè)]
作者: 51hei社區(qū)    時(shí)間: 2016-1-10 23:19
標(biāo)題: c++二元一次方和求解程序

c++二元一次方和求解程序


  3. #ifndef WYZ_WYZ_2
  4. #define WYZ_WYZ_2
  5. #include<iostream>
  6. #include<cmath>
  7. template<typename Any>
  8. void eqution(Any a,Any b,Any c)
  9. {
  10. using std::cout;
  11. using std::endl;

  13.    Any d=b*b-4*a*c;
  14.    if(d>0)
  15.    {
  16.     float sqrtd=sqrtf(d);
  17.     cout<<"有兩個(gè)實(shí)根"
  18.     <<(-b+sqrtd)/(2*a)<<"和"
  19.      <<(-b-sqrtd)/(2*a)<<endl;
  20.    }
  21.    else if(d==0)
  22.     cout<<"只有一個(gè)根"
  23.     <<-b/(2*a)<<endl;
  24.    else cout<<"有根是復(fù)雜的"
  25.     <<endl<<"真正的部分是"
  26.     <<-b/(2*a)<<endl
  27.     <<"有虛部"
  28.     <<sqrtf(-d)/(2*a)<<endl;
  29. }

  31. template<> void eqution(char a,char b,char c)
  32. {
  33. std::cout<<"輸入錯(cuò)誤"<<std::endl;
  34. }
  35. #endif
  36.   
  37. //..............................................................
  38. /*#include"789.h"
  39. #include<iostream>
  40. int main()
  41. {
  42. int a,b,c;
  43. std::cin>>a>>b>>c;
  44. eqution(a,b,c);

  46. return 0;
  47. }*/
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