?? qromo.cpp
字號(hào):
void qromo(double a, double b, double& ss, char pick[])
{
double dss,eps = 0.00003;
int jmaxp,jmax = 14;
jmaxp = jmax + 1;
int k = 7;
double s[15], h[15];
h[1] = 1.0;
for (int j = 1; j<=jmax; j++)
{
if (strcmp(pick,"midpnt")==0)
{
midpnt(a, b, s[j], j);
}
if (strcmp(pick,"midinf")==0)
{
midinf(a, b, s[j], j);
}
if (strcmp(pick,"midsql")==0)
{
midsql(a, b, s[j], j);
}
if (strcmp(pick,"midsqu")==0)
{
midsqu(a, b, s[j], j);
}
if (j > k)
{
polint(h, s, k, 0.0, ss, dss);
if (fabs(dss) < eps * fabs(ss))
{
return;
}
}
s[j + 1] = s[j];
h[j + 1] = h[j] / 9.0;
}
cout<< "too many steps."<<endl;
}
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