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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. double S(double x, double eps)
  5. {
  6.     double sum = x, term = x;
  7.     for(int n = 0;fabs(term) > eps;++n)
  8.         sum += term *= -x*x/(2*n+2)/(2*n+3);
  9.     return sum;
  10. }
  11.  
  12. int main()
  13. {
  14.     const double eps = 1e-8;
  15.     printf(" x       S(x)       sin(x)\n---------------------------\n");
  16.     for(double x = 0.0; x < 1.6; x += 0.1)
  17.         printf("%3.1lf   %.7lf   %.7lf\n",x,S(x,eps),sin(x));
  18. }
  19.  
Success #stdin #stdout 0s 9424KB
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stdin
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Standard input is empty
stdout
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 x       S(x)       sin(x)
---------------------------
0.0   0.0000000   0.0000000
0.1   0.0998334   0.0998334
0.2   0.1986693   0.1986693
0.3   0.2955202   0.2955202
0.4   0.3894183   0.3894183
0.5   0.4794255   0.4794255
0.6   0.5646425   0.5646425
0.7   0.6442177   0.6442177
0.8   0.7173561   0.7173561
0.9   0.7833269   0.7833269
1.0   0.8414710   0.8414710
1.1   0.8912074   0.8912074
1.2   0.9320391   0.9320391
1.3   0.9635582   0.9635582
1.4   0.9854497   0.9854497
1.5   0.9974950   0.9974950
https://ideone.com/yOgrmw
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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