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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main() {
  5.     const double K = 3.0;
  6.     const double L = 12.48;
  7.     double x, a, b, y, ab;
  8.     double denom_b, denom_y;
  9.  
  10.     printf("Calculation Results:\n");
  11.     printf("============================================================\n");
  12.  
  13.     for (int i = 1; i <= 3; i++) {
  14.         // CASE (switch) для вибору аргументу X
  15.         switch (i) {
  16.             case 1: x = 2.005; break;
  17.             case 2: x = -0.437; break;
  18.             case 3: x = -2.47; break;
  19.             default: continue;
  20.         }
  21.  
  22.         printf("STEP %d | Argument x = %.3f\n", i, x);
  23.  
  24.         // 1. Обчислення a та перевірка ділення на 2x
  25.         if (x == 0) {
  26.             printf("  [!] Error: Division by zero (x=0). Skipping...\n");
  27.             printf("------------------------------------------------------------\n");
  28.             continue;
  29.         }
  30.  
  31.         // a = tg[sqrt(K)^(K^(1/3))] - 1/(2x)
  32.         a = tan(pow(sqrt(K), pow(K, 1.0/3.0))) - 1.0/(2.0*x);
  33.         printf("  Intermediate a = %.6f\n", a);
  34.  
  35.         // 2. Обчислення b та перевірка знаменника
  36.         denom_b = pow(0.842, 4) * sqrt(8 * K) * cos(4 * x);
  37.  
  38.         if (fabs(denom_b) < 1e-12) {
  39.             printf("  [!] Error: Division by zero in variable 'b'. Skipping...\n");
  40.             printf("------------------------------------------------------------\n");
  41.             continue;
  42.         }
  43.  
  44.         b = (sin(2 * x) * L * pow(5.75, 1.0/3.0)) / denom_b;
  45.         printf("  Intermediate b = %.6f\n", b);
  46.  
  47.         // 3. Обчислення Y (використання IF для вибору гілки)
  48.         ab = a * b;
  49.         printf("  Product a*b   = %.6f\n", ab);
  50.  
  51.         if (ab < 0) {
  52.             // Гілка 1: (a - 2b) / (2a + 5b)
  53.             denom_y = 2 * a + 5 * b;
  54.             if (fabs(denom_y) < 1e-12) {
  55.                 printf("  [!] Error: Division by zero in variable 'y' (2a+5b=0).\n");
  56.             } else {
  57.                 y = (a - 2 * b) / denom_y;
  58.                 printf("  RESULT Y      = %.6f (Branch: ab < 0)\n", y);
  59.             }
  60.         } else {
  61.             // Гілка 2: sqrt(ab)
  62.             // Додаткова перевірка (хоча ab >= 0 за логікою if)
  63.             y = sqrt(ab);
  64.             printf("  RESULT Y      = %.6f (Branch: ab >= 0)\n", y);
  65.         }
  66.  
  67.         printf("------------------------------------------------------------\n");
  68.     }
  69.  
  70.     return 0;
  71. }
Success #stdin #stdout 0.01s 5284KB
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Standard input is empty
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Calculation Results:
============================================================
STEP 1 | Argument x = 2.005
  Intermediate a = -1.599419
  Intermediate b = 41.939162
  Product a*b   = -67.078309
  RESULT Y      = -0.413942 (Branch: ab < 0)
------------------------------------------------------------
STEP 2 | Argument x = -0.437
  Intermediate a = -0.205878
  Intermediate b = 39.502602
  Product a*b   = -8.132720
  RESULT Y      = -0.401880 (Branch: ab < 0)
------------------------------------------------------------
STEP 3 | Argument x = -2.470
  Intermediate a = -1.147614
  Intermediate b = -9.848717
  Product a*b   = 11.302522
  RESULT Y      = 3.361922 (Branch: ab >= 0)
------------------------------------------------------------
https://ideone.com/cPxqdp
language:
C (clang 8.0)
created:
1 day ago
visibility:
public

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