commit 8142a19c4b55375482ef42255a3a8f2c878b9d72
parent 355ad371a7773e5db5094b29d0bb32bbb1038f27
Author: NunoSempere <nuno.semperelh@protonmail.com>
Date: Sat, 11 May 2024 10:27:05 +0100
add scalar multiplication and division
Diffstat:
| M | f.go | | | 47 | +++++++++++++++++++++++++++++------------------ |
1 file changed, 29 insertions(+), 18 deletions(-)
diff --git a/f.go b/f.go
@@ -64,51 +64,61 @@ func main() {
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"
EventForLoop:
for {
- // fmt.Println("Enter another two floats separated by a space:")
+ var new_low, new_high float64
+ var err1, err2 error
input, _ = reader.ReadString('\n')
if strings.TrimSpace(input) == "" {
continue EventForLoop
}
-
tokens := strings.Split(strings.TrimSpace(input), " ")
- var err1, err2 error
- var new_low, new_high float64
switch len(tokens) {
case 0:
continue EventForLoop
case 1:
- if tokens[0] == "i" {
+ single_float, err1 := strconv.ParseFloat(tokens[0], 64)
+ switch {
+ case tokens[0] == "i":
fmt.Printf("=> %.1f %.1f\n", old_low, old_high)
logmean_old, logstd_old := boundsToLogParams(old_low, old_high)
fmt.Printf("=> Lognormal, with logmean: %.1f, logstd: %.1f\n", logmean_old, logstd_old)
continue EventForLoop
+ case err1 != nil:
+ new_low = single_float
+ new_high = single_float
+ default:
+ fmt.Println(error_msg_cont)
+ continue EventForLoop
}
- fmt.Println(error_msg_cont)
- continue EventForLoop
case 2:
new_low, err1 = strconv.ParseFloat(tokens[0], 64)
new_high, err2 = strconv.ParseFloat(tokens[1], 64)
- if err1 != nil || err2 != nil {
+ if err2 != nil {
fmt.Println(error_msg_cont)
continue EventForLoop
}
- case 3:
switch tokens[0] {
case "*":
- new_low, err1 = strconv.ParseFloat(tokens[1], 64)
- new_high, err2 = strconv.ParseFloat(tokens[2], 64)
- if err1 != nil || err2 != nil {
- fmt.Println(error_msg_cont)
- continue EventForLoop
- }
+ new_low = new_high
case "/":
- new_low, err1 = strconv.ParseFloat(tokens[1], 64)
- new_high, err2 = strconv.ParseFloat(tokens[2], 64)
- if err1 != nil || err2 != nil {
+ new_low = 1.0 / new_high
+ new_high = new_low
+ default:
+ if err1 != nil {
fmt.Println(error_msg_cont)
continue EventForLoop
}
+ }
+ case 3:
+ new_low, err1 = strconv.ParseFloat(tokens[1], 64)
+ new_high, err2 = strconv.ParseFloat(tokens[2], 64)
+ if err1 != nil || err2 != nil {
+ fmt.Println(error_msg_cont)
+ continue EventForLoop
+ }
+ switch tokens[0] {
+ case "*":
+ case "/":
tmp_low := new_low
new_low = 1.0 / new_high
new_high = 1.0 / tmp_low
@@ -120,6 +130,7 @@ EventForLoop:
fmt.Println(error_msg_cont)
continue EventForLoop
}
+
// Use the abstracted function for combining floats
old_low, old_high = combineBounds(old_low, old_high, new_low, new_high)
fmt.Printf("=> %.1f %.1f\n", old_low, old_high)
