Code:
#include <stdio.h>
#include <stdlib.h>
int main()
{
int ValidDateTime;
int Year;
int Month;
int Day;
int Hour;
int Minute;
int Feb;
char line[300];
int i = 0;
int aJulianDay[300];
int aDay[300];
int aMonth[300];
int aHour[300];
int aMinute[300];
float a1[300];
float a2[300];
int a3[300];
int a4[300];
int a5[300];
int a6[300];
int a7[300];
int a8[300];
int aHazardRating[300];
const int Multiple = 5;
int FiveMin;
//------------------------------------------------------------------
// This loop takes the input from the user, then checks if it's a valid date.
// If it's not, it prompts the user to enter a valid date and loops back.
// If it's a valid date, the loop ends and program continues
do
{
printf("Please Enter a Date and Time\n(Numerical Format):\n");
printf("Year: ");
scanf("%d", &Year);
printf("Month: ");
scanf("%d", &Month);
printf("Day: ");
scanf("%d", &Day);
printf("Hour: ");
scanf("%d", &Hour);
printf("Minute: ");
scanf("%d", &Minute);
//Check if leap year
//If so, Feb has 29 days. If not, Feb has 28 days
if(Year % 4 == 0 && Year%100 != 0 || Year % 400 == 0)
{
Feb = 29;
}
else
{
Feb = 28;
}
//Check if it's a valid date & time
//If so, the loop ends. If not, loop continues
if(Month = 1 && Day > 31)
{
printf("Please Enter a Valid Date And Time");
ValidDateTime = 0;
}
else
{
ValidDateTime = 1;
}
if(Month = 2 && Day > Feb)
{
printf("Please Enter a Valid Date And Time");
ValidDateTime = 0;
}
else
{
ValidDateTime = 1;
}
if(Month = 3 && Day > 31)
{
printf("Please Enter a Valid Date And Time");
ValidDateTime = 0;
}
else
{
ValidDateTime = 1;
}
if(Month = 4 && Day > 30)
{
printf("Please Enter a Valid Date And Time");
ValidDateTime = 0;
}
else
{
ValidDateTime = 1;
}
if(Month = 5 && Day > 31)
{
printf("Please Enter a Valid Date And Time");
ValidDateTime = 0;
}
else
{
ValidDateTime = 1;
}
if(Month = 6 && Day > 30)
{
printf("Please Enter a Valid Date And Time");
ValidDateTime = 0;
}
else
{
ValidDateTime = 1;
}
if(Month = 7 && Day > 31)
{
printf("Please Enter a Valid Date And Time");
ValidDateTime = 0;
}
else
{
ValidDateTime = 1;
}
if(Month = 8 && Day > 31)
{
printf("Please Enter a Valid Date And Time");
ValidDateTime = 0;
}
else
{
ValidDateTime = 1;
}
if(Month = 9 && Day > 30)
{
printf("Please Enter a Valid Date And Time");
ValidDateTime = 0;
}
else
{
ValidDateTime = 1;
}
if(Month = 10 && Day > 31)
{
printf("Please Enter a Valid Date And Time");
ValidDateTime = 0;
}
else
{
ValidDateTime = 1;
}
if(Month = 11 && Day > 30)
{
printf("Please Enter a Valid Date And Time");
ValidDateTime = 0;
}
else
{
ValidDateTime = 1;
}
if(Month = 12 && Day > 31)
{
printf("Please Enter a Valid Date And Time");
ValidDateTime = 0;
}
else
{
ValidDateTime = 1;
}
if(Hour > 23 || Hour < 0)
{
printf("Please Enter a Valid Date And Time");
ValidDateTime = 0;
}
else
{
ValidDateTime = 1;
}
if(Minute > 59 || Minute < 0)
{
printf("Please Enter a Valid Date And Time");
ValidDateTime = 0;
}
else
{
ValidDateTime = 1;
}
}
//Loop ends if it's a real date and time
while(ValidDateTime = 0);
//----------------------------------------------------------------------
//If the minute chosen was not a multiple of 5, this code rounds it to the nearest 5 minutes
FiveMin = Minute - (Minute % Multiple);
if (Minute % Multiple != 0)
{
if ( (Minute % Multiple) > ((int)Multiple/2) )
{
FiveMin += Multiple;
}
printf ("Your selected minute is unavailable, the time has been rounded to the nearest multiple of 5 minutes.\n");
}
//-----------------------------------------------------------------------
// This code opens the CSV file
//RT mode means Read-only Text file
FILE *pFile;
pFile = fopen("c:\\abc.txt", "rt");
//-------------------------------------------------------------------------
// Load each different 'column' of values into an array
//fgets gets a string from a file
//one string per line
while(fgets(line, sizeof line, pFile) != NULL)
{
// sscanf reads the data from the strings and stores it in arrays
// since the line is in a string, it finds each of the values and stores
// them into the specified arrays. The loop does this for each line
// so, each julian day will be read into array a[] each time there's a line
// Thus each variable is stored into a different array
if(sscanf(line, "%d,%d,%d,%d,%d,%f,%f,%d,%d,%d,%d,%d,%d,%d", &aJulianDay[i], &aDay[i], &aMonth[i], &aHour[i], &aMinute[i], &a1[i], &a2[i], &a3[i], &a4[i], &a5[i], &a6[i], &a7[i], &a8[i], &aHazardRating[i]) == 14)
{
++i;
}
}
//Close the file
fclose(pFile);
printf("%d\n",aDay[5]);
printf("%d\n",aMonth[5]);
printf("%d\n",aHour[5]);
printf("%d\n",aMinute[5]);
printf("%f\n",a1[5]);
printf("%f\n",a2[5]);
printf("%d\n",a3[5]);
printf("%d\n",a4[5]);
printf("%d\n",a5[5]);
printf("%d\n",a6[5]);
printf("%d\n",a7[5]);
printf("%d\n",a8[5]);
printf("%d\n",aHazardRating[5]);
getch();
//-------------------------------------------------------------------------
//This code SEARCHES through the arrays for the user-selected values
//Point a pointer at the first element of the Day array
int *ptr;
ptr=&aDay[0];
//Point a pointer at the first element of the Month array
int *ptr2;;
ptr2=&aMonth[0];
//Point a pointer at the first element of Hour array
int *ptr3;
ptr3=&aHour[0];
//Point a pointer at the first element of Minute array
int *ptr4;
ptr4=&aMinute[0];
//Make a counter to store which element of the array you are in
int i2 = 0;
//Search through the array for the user-selected Day value
while (*ptr != Day)
{
i2++;
ptr++;
}
//Go into the Month array at the same array element number as the Day loop stopped in
ptr2=&aMonth[i2];
//Search through it until the user-selected month value is found
while (*ptr2 != Month)
{
i2++;
ptr2++;
}
//Go into the Hour array at the same array element number as the Month loop stopped in
ptr3=&aHour[i2];
//Search through it until the user-selected month value is found
while (*ptr3 != Hour)
{
i2++;
ptr3++;
}
//Go into the Minute array at the same array element number as the Hour loop stopped in
ptr4=&aMinute[i2];
//Search through it until the user-selected month value is found
while (*ptr4 != FiveMin)
{
i2++;
ptr4++;
}
//At this point, you are in the correct row (array location), marked by i2
//Load all values within the proper array location into variables
//From all 14 of the arrays
//Year, Month, Day, Hour, FiveMin all already correctly set
float SolarZe = 0;
float SolarAz = 0;
int NumPixels1 = 0;
int NumPixels2 = 0;
int NumPixels3 = 0;
int NumPixels4 = 0;
int NumPixels5 = 0;
int HazForumulaOutput = 0;
int HazardRating = 0;
SolarZe = a1[i2];
SolarAz = a2[i2];
NumPixels1 = a3[i2];
NumPixels2 = a4[i2];
NumPixels3 = a5[i2];
NumPixels4 = a6[i2];
NumPixels5 = a7[i2];
HazForumulaOutput = a8[i2];
HazardRating = aHazardRating[i2];
printf("location: %d\n", i2);
printf("Year: %d\n", Year);
printf("Month: %d\n", Month);
printf("Day: %d\n", Day);
printf("Hour: %d\n", Hour);
printf("Minute: %d\n", FiveMin);
printf("Solar Zenith: %f\n", SolarZe);
printf("Solar Azimuth: %f\n", SolarAz);
printf("Number of Pixels in Hazard Rating 1: %d\n", NumPixels1);
printf("Number of Pixels in Hazard Rating 2: %d\n", NumPixels2);
printf("Number of Pixels in Hazard Rating 3: %d\n", NumPixels3);
printf("Number of Pixels in Hazard Rating 4: %d\n", NumPixels4);
printf("Number of Pixels in Hazard Rating 5: %d\n", NumPixels5);
printf("Hazard Formula Output: %d\n", HazForumulaOutput);
printf("Maximum Hazard Rating: %d\n", HazardRating);
getch();
return 0;
}
Here's an example of the format of the CSV file:
Code:
299, 26, 10, 8, 0, 85.539068, 114.966376, 49899, 5755, 3751, 3014, 994, 89688, 5
299, 26, 10, 8, 15, 83.402953, 117.925606, 47183, 7941, 4041, 3164, 1084, 93264, 5
299, 26, 10, 8, 30, 81.309957, 120.940738, 47109, 7273, 5212, 2600, 1219, 93786, 5
299, 26, 10, 8, 45, 79.275465, 124.019094, 48113, 5758, 6119, 2256, 1167, 92845, 5
299, 26, 10, 9, 0, 77.310476, 127.167473, 48561, 5522, 5866, 2362, 1102, 92161, 5
299, 26, 10, 9, 15, 75.424519, 130.392021, 49054, 5333, 5635, 2426, 965, 91154, 5
299, 26, 10, 9, 30, 73.626649, 133.698080, 49708, 5028, 5305, 2497, 875, 90042, 5
299, 26, 10, 9, 45, 71.925819, 137.089994, 50506, 5833, 3787, 1982, 1305, 87986, 5
299, 26, 10, 10, 0, 70.331002, 140.570898, 51082, 6267, 2608, 2221, 1235, 86499, 5
299, 26, 10, 10, 15, 68.851203, 144.142484, 51679, 5357, 3216, 1781, 1380, 86065, 5
299, 26, 10, 10, 30, 67.495392, 147.804762, 52272, 4838, 3220, 1716, 1367, 85307, 5
299, 26, 10, 10, 45, 66.272386, 151.555836, 54583, 2756, 2751, 2259, 1064, 82704, 4
Any help with where I'm going wrong would be appreciated.
Searching through an Array using Pointers
Originally Posted by CommonTater
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