add scalar multiplication and division
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parent
355ad371a7
commit
8142a19c4b
39
f.go
39
f.go
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@ -64,51 +64,61 @@ func main() {
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error_msg_cont := "Please enter two floats separated by a space, like: 1 10, or two floats preceded by a division, like: / 2 20. Or enter i to get the logmean and logstd"
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EventForLoop:
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for {
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// fmt.Println("Enter another two floats separated by a space:")
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var new_low, new_high float64
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var err1, err2 error
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input, _ = reader.ReadString('\n')
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if strings.TrimSpace(input) == "" {
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continue EventForLoop
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}
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tokens := strings.Split(strings.TrimSpace(input), " ")
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var err1, err2 error
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var new_low, new_high float64
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switch len(tokens) {
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case 0:
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continue EventForLoop
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case 1:
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if tokens[0] == "i" {
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single_float, err1 := strconv.ParseFloat(tokens[0], 64)
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switch {
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case tokens[0] == "i":
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fmt.Printf("=> %.1f %.1f\n", old_low, old_high)
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logmean_old, logstd_old := boundsToLogParams(old_low, old_high)
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fmt.Printf("=> Lognormal, with logmean: %.1f, logstd: %.1f\n", logmean_old, logstd_old)
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continue EventForLoop
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}
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case err1 != nil:
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new_low = single_float
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new_high = single_float
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default:
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fmt.Println(error_msg_cont)
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continue EventForLoop
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}
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case 2:
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new_low, err1 = strconv.ParseFloat(tokens[0], 64)
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new_high, err2 = strconv.ParseFloat(tokens[1], 64)
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if err1 != nil || err2 != nil {
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if err2 != nil {
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fmt.Println(error_msg_cont)
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continue EventForLoop
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}
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case 3:
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switch tokens[0] {
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case "*":
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new_low, err1 = strconv.ParseFloat(tokens[1], 64)
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new_high, err2 = strconv.ParseFloat(tokens[2], 64)
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if err1 != nil || err2 != nil {
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fmt.Println(error_msg_cont)
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continue EventForLoop
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}
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new_low = new_high
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case "/":
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new_low = 1.0 / new_high
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new_high = new_low
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default:
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if err1 != nil {
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fmt.Println(error_msg_cont)
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continue EventForLoop
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}
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}
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case 3:
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new_low, err1 = strconv.ParseFloat(tokens[1], 64)
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new_high, err2 = strconv.ParseFloat(tokens[2], 64)
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if err1 != nil || err2 != nil {
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fmt.Println(error_msg_cont)
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continue EventForLoop
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}
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switch tokens[0] {
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case "*":
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case "/":
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tmp_low := new_low
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new_low = 1.0 / new_high
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new_high = 1.0 / tmp_low
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@ -120,6 +130,7 @@ EventForLoop:
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fmt.Println(error_msg_cont)
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continue EventForLoop
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}
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// Use the abstracted function for combining floats
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old_low, old_high = combineBounds(old_low, old_high, new_low, new_high)
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fmt.Printf("=> %.1f %.1f\n", old_low, old_high)
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