复数的基本运算C语言

typedefstructfushu//抽象数据类型定义

{

floatreal;//数据对象

floatimage;

}fushu;

fushuComplexNumberInput(floata,floatb)//构造二元组{

fushuc;

c.real=a;//实部

c.image=b;//虚部

return(c);

}

fushuComplexNumberAdd(fushuc1,fushuc2)//求和运算{

fushusum;

sum.real=c1.real+c2.real;

sum.image=c1.image+c2.image;

return(sum);

}

fushuComplexNumberSub(fushuc1,fushuc2)//求差运算{

fushusub;

sub.real=c1.real-c2.real;

sub.image=c1.image-c2.image;

return(sub);

}

fushuComplexNumberMul(fushuc1,fushuc2)//求积运算{

fushuMul;

Mul.real=c1.real*c2.real-c1.image*c2.image;

Mul.image=c1.real*c2.image+c1.image*c2.real;

return(Mul);

}

fushuComplexNumberDiv(fushuc1,fushuc2)//求商运算{

fushudiv;

floatd1,d2,d3,d4;

d1=c1.real*c2.real+c1.image*c2.image;

d2=c2.real*c2.real+c2.image*c2.image;

d3=c1.image*c2.real-c1.real*c2.image;

d4=c2.real*c2.real+c2.image*c2.image;

if(d2!=0&&d4!=0)

{

div.real=d1/d2;

div.image=d3/d4;

return(div);

}

else

{

div.real=0;

div.image=0;

return(div);

}

}

voidComplexNumberOutput(fushuc)//输出运算结果

{

if(c.real==0.0&&c.image==0.0)printf("0\n");

if(c.real==0.0&&c.image!=0.0)printf("%fi\n",c.image);

if(c.real!=0.0&&c.image==0.0)printf("%f\n",c.real);

if(c.real!=0.0&&c.image!=0.0)printf("%f+(%fi)\n",c.real,c.image); }

voidmain()//主函数

{

intchoice;

intk;

floata1,a2,b1,b2;

structfushuc1,c2,sum,sub,mult,div;

printf("欢迎进行复数的基本代数运算\n");

printf("1:复数加法运算\n");

printf("2:复数减法运算\n");

printf("3:复数乘法运算\n");

printf("4:复数除法运算\n");

printf("0:推出系统\n");

printf("请分别输入第一个复数的实部和虚部:");

scanf("%f%f",&a1,&b1);

c1=ComplexNumberInput(a1,b1);

printf("第一个复数为:");

ComplexNumberOutput(c1);

printf("请分别输入第二个复数的实部和虚部:");

scanf("%f%f",&a2,&b2);

c2=ComplexNumberInput(a2,b2);

printf("第二个复数为:"); ComplexNumberOutput(c2);

for(;;)

{

printf("请输入你选择的功能:");

scanf("%d",&choice);

switch(choice)

{

case0:exit(0);

break;

case1:sum=ComplexNumberAdd(c1,c2);

printf("求和后结果为:");

ComplexNumberOutput(sum);

break;

case2:sub=ComplexNumberSub(c1,c2);

printf("求差后结果为:");

ComplexNumberOutput(sub);

break;

case3:mult=ComplexNumberMul(c1,c2);

printf("求积后结果为:");

ComplexNumberOutput(mult);

break;

case4:div=ComplexNumberDiv(c1,c2); if(div.real!=0&&div.image!=0)

{

printf("求商后结果:"); ComplexNumberOutput(div);

break;

}

else

{