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matrixCalculator.go
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package main
import "fmt"
import "github.com/kumaya/golang-programs/matrix/operations"
import "math/rand"
/*
func populateMatrix(m [][]int) matrix.Matrix {
len_r := len(m)
for i := 0; i < len_r; i++ {
c := m[i]
len_c := len(c)
for j := 0; j < len_c; j++ {
m[i][j] = rand.Intn(3)
}
}
return m
}
*/
func populateMatrix(m matrix.Matrix) matrix.Matrix {
rows, cols := m.Size()
for i := 0; i < rows; i++ {
for j := 0; j < cols; j++ {
m.Set(i, j, rand.Intn(3))
}
}
return m
}
func main() {
rawFirstMatrix := matrix.New(3, 3)
rawSecondMatrix := matrix.New(3, 3)
firstMatrix := populateMatrix(rawFirstMatrix)
secondMatrix := populateMatrix(rawSecondMatrix)
fmt.Println("First matrix: ", firstMatrix)
fmt.Println("Second matrix: ", secondMatrix)
fmt.Println("")
fmt.Println("*****ADDITION*****")
addRes, isValid := matrix.Add(firstMatrix, secondMatrix)
fmt.Println("Matrix Addition is valid: ", isValid)
fmt.Println("Matrix Addition Result: ", matrix.String(addRes))
fmt.Println("")
fmt.Println("*****SUBTRACTION*****")
subtractRes, isValid := matrix.Subtract(firstMatrix, secondMatrix)
fmt.Println("Matrix Subtraction is valid: ", isValid)
fmt.Println("Matrix Subtraction Result: ", matrix.String(subtractRes))
fmt.Println("")
firstMatrix.Set(2, 2, 67)
fmt.Println(firstMatrix)
firstMatrix.Add(secondMatrix)
fmt.Println(firstMatrix)
/*
fmt.Println("*****MULTIPLICATION*****")
rawFirstMatrix = matrix.GenerateMatrix(3, 4)
rawSecondMatrix = matrix.GenerateMatrix(3, 4)
firstMatrix = populateMatrix(rawFirstMatrix)
secondMatrix = populateMatrix(rawSecondMatrix)
multiplyRes, isValid := matrix.Multiply(firstMatrix, secondMatrix)
fmt.Println("First matrix: ", firstMatrix)
fmt.Println("Second matrix: ", secondMatrix)
fmt.Println("")
fmt.Println("Matrix Multiplication is valid: ", isValid)
fmt.Println("Matrix Multiplication Result: ", multiplyRes)
fmt.Println("")
*/
}