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  1. #include <stdio.h>
  2. #include <math.h> 
  3. #define MAX_INDEX 1604
  4.  
  5. /* Prototype of functions */
  6. double Red(double, double, double);
  7. double Green(double, double, double);
  8. double Blue(double, double, double);
  9.  
  10.  
  11. int main()
  12. {
  13.  
  14.  
  15.     FILE *fpX, *fpY, *fpZ;
  16. 	fpX = fopen("tabrefX.dat","r");
  17. 	fpY = fopen("tabrefY.dat","r");
  18. 	fpZ = fopen("tabrefZ.dat","r");
  19. 	double tabrefX[MAX_INDEX];
  20. 	double tabrefY[MAX_INDEX];
  21. 	double tabrefZ[MAX_INDEX];
  22. 	int i;
  23. 	double resultR[MAX_INDEX];
  24. 	double resultG[MAX_INDEX];
  25. 	double resultB[MAX_INDEX];
  26.  
  27.  
  28. /* We read all values from files tabrefX.dat, tabrefY.dat and tabrefZ.dat */
  29. /* and ze fill up tabrefX, tabrefY and tabrefZ */
  30.  
  31. i = 0;
  32.     if (fpX != NULL)
  33.     {
  34. 	while(fscanf(fpX, "%lg\n", &(tabrefX[i])) != EOF)
  35. 	  i++;
  36.  
  37. 	printf("Complete File");
  38. 	fclose(fpX);
  39.     }
  40.     else	{
  41.   			printf("error in file tabrefX.dat \n");
  42. 			return 0;
  43.     		}
  44.  
  45. i = 0;
  46.     if (fpY != NULL)
  47.     {
  48. 	while(fscanf(fpY, "%lg\n", &(tabrefY[i])) != EOF)
  49. 		i++;
  50.  
  51. 	printf("Complete File");
  52. 	fclose(fpY);
  53.     }
  54.     else	{
  55.   			printf("error in file tabrefY.dat \n");
  56. 			return 0;
  57.     		}
  58.  
  59. i = 0;
  60.     if (fpZ != NULL)
  61.     {
  62. 	while(fscanf(fpZ, "%lg\n", &(tabrefZ[i])) != EOF)
  63. 	i++;
  64.  
  65. 	printf("Complete File");
  66. 	fclose(fpZ);
  67.     }
  68.     else	{
  69.   			printf("error in file tabrefZ.dat \n");
  70. 			return 0;
  71.     		}
  72.  return 0;
  73. }
  74.  
  75.  
  76.  double CIE_L(double Y)
  77.  {
  78.  double var_Y ;
  79.  double val_l ;
  80.  	var_Y = Y/100.000;
  81.  		{
  82.  			if (var_Y>0.008856) 
  83. 				{ 	
  84. 					var_Y = pow(var_Y,1/3);
  85. 				}
  86. 			else
  87. 				{
  88. 					var_Y = (7.787*var_Y) + (16/116);
  89. 				}
  90.  		}
  91.  	val_l = (116*var_Y) - 16;
  92. 	return val_l;
  93. }
  94.  
Success #stdin #stdout 0s 2292KB
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Standard input is empty
stdout
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error in file tabrefX.dat
https://ideone.com/FAOcMR
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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