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package main
import (
"fmt"
"encoding/csv"
"os"
"strconv"
)
// force struct storing a force vector
type force struct{
x, y float64
}
// coordinate struct storing the position of stars
type coord struct{
x, y float64
}
// star struct storing information about the star
type star struct{
c coord
f force
mass float64
}
func main() {
// stars_arr is a slice storing the stars
stars_arr := []star{
star{coord{1.0, 1.0}, force{0, 0}, 1000000},
star{coord{3.0, 2.5}, force{0, 0}, 1000000},
star{coord{1.0, 4.5}, force{0, 0}, 1000000},
}
// Open all the files from data/* and use their content as stars
b, err := os.Open("data/structure03.ita.uni-heidelberg.de_26635.csv")
// Error handling for opening files
if err != nil {
panic(err)
}
// Close the file after reading it's content
defer b.Close()
// Read the lines using a csv-reader
lines, err := csv.NewReader(b).ReadAll()
// CSV-Reader error handler
if err != nil {
panic(err)
}
for i := 0; i < 3; i++ {
fmt.Println(i)
// Iterate over all the lines in the given files, convert the data to float64 and
// append the data to the stars_arr
for _, line := range lines {
// convert to float64
x, _ := strconv.ParseFloat(line[0], 64)
y, _ := strconv.ParseFloat(line[0], 64)
// Define a temporary star that gets appended to the stars_arr
temp_star := star{
coord{x,y},
force{0,0},
1000000,
}
// Append the stars
stars_arr = append(stars_arr, temp_star)
}
}
// calculate the forces acting
calc_all_forces(stars_arr)
print_arr(stars_arr)
}
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