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  1. #include <stdio.h>
  2.  
  3. typedef struct {
  4. 	double Re; /** 実部 **/
  5. 	double Im; /** 虚部 **/
  6. } Complex;
  7.  
  8. int input(Complex *z)
  9. {
  10. 	printf("Re Im=");
  11. 	scanf("%lf %lf", &z->Re, &z->Im);
  12. 	return 0;
  13. }
  14.  
  15. Complex wa(Complex z1, Complex z2)
  16. {
  17. 	Complex	z;
  18.  
  19. 	z.Re = z1.Re + z2.Re;
  20. 	z.Im = z1.Im + z2.Im;
  21. 	return z;
  22. }
  23.  
  24. Complex seki(Complex z1, Complex z2)
  25. {
  26. 	Complex	z;
  27.  
  28. 	z.Re = (z1.Re * z2.Re) - (z1.Im * z2.Im);
  29. 	z.Im = (z2.Re * z1.Im) + (z1.Re * z2.Im);
  30. 	return z;
  31. }
  32.  
  33. int main()
  34. {
  35. 	Complex	z1, z2, z;
  36.  
  37. 	printf("z1\n");
  38. 	input(&z1);
  39. 	printf("z2\n");
  40. 	input(&z2);
  41. 	z = wa(z1, z2);
  42. 	printf("z1+z2 Re=%f Im=%f\n", z.Re, z.Im);
  43. 	z = seki(z1, z2);
  44. 	printf("z1+z2 Re=%f Im=%f\n", z.Re, z.Im);
  45. 	return 0;
  46. }
  47.  
Success #stdin #stdout 0.01s 1724KB
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stdin
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stdout
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z1
Re Im=z2
Re Im=z1+z2 Re=4.000000 Im=6.000000
z1+z2 Re=-5.000000 Im=10.000000
https://ideone.com/hhdGW
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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