mathtools/cmd/sqrtRepetend.go

74 lines
1.9 KiB
Go

/*
Copyright © 2025 filifa
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cmd
import (
"fmt"
"log"
"math/big"
"github.com/spf13/cobra"
"scm.dairydemon.net/filifa/mathtools/internal/lib"
)
func sqrtRepetend(cmd *cobra.Command, args []string) {
x := new(big.Int)
for _, s := range args {
_, ok := x.SetString(s, 10)
if !ok {
log.Print("invalid input " + s)
continue
}
repetend, err := lib.SqrtRepetend(x)
if err != nil {
log.Print(s + " is a perfect square")
continue
}
fmt.Print(repetend[0])
for _, r := range repetend[1:] {
fmt.Printf(" %s", r)
}
fmt.Println()
}
}
// sqrtRepetendCmd represents the sqrtRepetend command
var sqrtRepetendCmd = &cobra.Command{
Use: "sqrt-repetend N [N ...]",
Short: "Compute the repetend of the square root of the input",
Long: `Compute the repetend of the square root of the input.`,
Args: cobra.MinimumNArgs(1),
Run: sqrtRepetend,
}
func init() {
rootCmd.AddCommand(sqrtRepetendCmd)
// Here you will define your flags and configuration settings.
// Cobra supports Persistent Flags which will work for this command
// and all subcommands, e.g.:
// sqrtRepetendCmd.PersistentFlags().String("foo", "", "A help for foo")
// Cobra supports local flags which will only run when this command
// is called directly, e.g.:
// sqrtRepetendCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}