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50 lines
954 B
Go
Executable File
50 lines
954 B
Go
Executable File
package main
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import (
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"fmt"
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"math"
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)
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type Point struct {
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X, Y float64
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}
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type Point3 struct {
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X, Y, Z float64
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}
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type Polar struct {
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R, T float64
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}
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func Abs(p *Point) float64 {
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return math.Sqrt(float64(p.X*p.X + p.Y*p.Y))
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}
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func Scale(p *Point,s float64) (q Point) {
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q.X = p.X * s
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q.Y = p.Y * s
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return
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}
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func main() {
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p1 := new(Point)
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p1.X = 3
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p1.Y = 4
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fmt.Printf("The length of the vector p1 is: %f\n", Abs(p1) )
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p2:= &Point{4, 5}
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fmt.Printf("The length of the vector p2 is: %f\n", Abs(p2) )
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q := Scale(p1, 5)
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fmt.Printf("The length of the vector q is: %f\n", Abs(&q) )
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fmt.Printf("Point p1 scaled by 5 has the following coordinates: X %f - Y %f", q.X, q.Y)
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}
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/* Output:
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The length of the vector p1 is: 5.000000
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The length of the vector p2 is: 6.403124
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The length of the vector q is: 25.000000
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Point p1 scaled by 5 has the following coordinates: X 15.000000 - Y 20.000000
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*/
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