triple.c

来自「压缩包里面的都是精致的基本C语言小程序」· C语言 代码 · 共 62 行

#include "mystdlib.h"
#include "commonInter.h"
#include "triple.h"

struct triple
{
  poly x;
  poly y;
  poly z;
};

triple newTriple (poly x, poly y, poly z)
{
  triple temp = checkedMalloc (sizeof (*temp));
  temp->x = x;
  temp->y = y;
  temp->z = z;

  return temp;
}

poly tripleFirst (triple t)
{
  return t->x;
}

poly tripleSecond (triple t)
{
  return t->y;
}

poly tripleThird (triple t)
{
  return t->z;
}

str tripleToString (triple t)
{
  str sx = getVft (t->x)->toString (t->x);
  str sy = getVft (t->y)->toString (t->y);
  str sz = getVft (t->z)->toString (t->z);
  
  str s1 = strConcat (newStr ("("), sx);
  str s2 = strConcat (s1, newStr (", "));
  str s3 = strConcat (s2, sy);
  str s4 = strConcat (s3, newStr (", "));
  str s5 = strConcat (s4, sz);
  str s6 = strConcat (s5, newStr (")"));

  strFree (sx);
  strFree (sy);
  strFree (sz);
  strFree (s1);
  strFree (s2);
  strFree (s3);
  strFree (s4);
  strFree (s5);

  return s6;
}