# include & lt; stdio.h>
# include & lt; Stdlib. H>
# include & lt; Math. H>

Typedef struct
{
int coef;/* coef of pn */
Int exp./* exp of pn */
} PolyTerm;
Typedef struct
{
Int length;
PolyTerm * data;
} SqPoly;

Float the Evaluate (SqPoly pn, float x)
{
Float sum=0;
int i;
for (i=0; iSum +=pn. Data [I] coef * pow (x, pn. Data [I]. Exp);
Printf (" The result is: % f ", sum);
return 0;
}

Int main (void)
{
Float the Evaluate (SqPoly pn, float x);
Int I, n;
SqPoly pn;
PolyTerm data;
Float x, f1;
CLRSCR ();
Printf (" do input the terms of the number of the pn: \ n ");
The scanf (" % d ", & amp; N);
data. Coef=(int *) malloc (sizeof (int) * n);
Data. J exp=(int *) malloc (sizeof (int) * n); here the compiler will be prompted to two Non - portable pointer the assignment function in the main solving
Pn. Length=n;
Printf (" do input the coef of the pn: \ n ");
for (i=0; iThe scanf (" % d ", & amp; Pn. Data [I] coef);
Printf (" do input the exp of the pn: \ n ");
for (i=0; iThe scanf (" % d ", & amp; Pn. Data [I]. J exp);
Printf (" do input the x to solve: ");
The scanf (" % f ", & amp; X);
Evaluate (pn, x);
return 0;
}
Finally, there is a warning data is assigned as a value whichi is never informs the
This is under the environment of TC2.0, a preliminary study

CodePudding user response:

Pn. Data=https://bbs.csdn.net/topics/(PolyTerm *) malloc (sizeof (PolyTerm) * n);

CodePudding user response:

Float the Evaluate (SqPoly pn, float x);

Int main (void)
{
Int I, n;
SqPoly pn;
PolyTerm data;
Float x, f1;
CLRSCR ();
Printf (" do input the terms of the number of the pn: \ n ");
The scanf (" % d ", & amp; N);
pn. Data=https://bbs.csdn.net/topics/(PolyTerm *) malloc (sizeof (PolyTerm) * n);
Pn. Length=n;
Printf (" do input the coef of the pn: \ n ");
for (i=0; iThe scanf (" % d ", & amp; Pn. Data [I] coef);
Printf (" do input the exp of the pn: \ n ");
for (i=0; iThe scanf (" % d ", & amp; Pn. Data [I]. J exp);
Printf (" do input the x to solve: ");
The scanf (" % f ", & amp; X);
Evaluate (pn, x);
return 0;
}