complex.c

压缩包里面的都是精致的基本C语言小程序

#include <stdio.h>
#include "mystdlib.h"
#include "error.h"
#include "complex.h"

#define maxSize 1000

struct complex
{
  double x;
  double y;
};

complex add (complex c1, complex c2)
{
  complex c = (complex)checkedMalloc (sizeof (*c));

  c->x = c1->x + c2->x;
  c->y = c1->y + c2->y;
  return c;
}

complex newComplex (double x, double y)
{
  complex c = (complex)checkedMalloc (sizeof (*c));
  
  c->x = x;
  c->y = y;
  return c;
}

void complexOutput (complex c)
{
  printf ("%f+i%f\n", c->x, c->y);

  return;
}

str complexToString (complex c)
{
  char *temp = checkedMalloc (maxSize * sizeof (char));
  sprintf (temp, "%f+i%f", c->x, c->y);
  
  return newStr (temp);
}