delete old parser
This commit is contained in:
parent
110d6b6dc6
commit
313b744100
2
f.go
2
f.go
|
|
@ -57,7 +57,7 @@ func parseLine(line string, vars map[string]Dist) (string, Dist, error) {
|
|||
return parseLineErr("Operator must have operand; can't operate on nothing")
|
||||
case 1:
|
||||
var_word, var_word_exists := vars[words[0]]
|
||||
single_float, err1 := strconv.ParseFloat(words[0], 64)
|
||||
single_float, err1 := strconv.ParseFloat(words[0], 64) // abstract this away to search for K/M/B/T/etc.
|
||||
switch {
|
||||
case var_word_exists:
|
||||
dist = var_word
|
||||
|
|
|
|||
230
f0.go
230
f0.go
|
|
@ -1,230 +0,0 @@
|
|||
package main
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"fmt"
|
||||
"math"
|
||||
"os"
|
||||
"strconv"
|
||||
"strings"
|
||||
)
|
||||
|
||||
const NORMAL90CONFIDENCE = 1.6448536269514727
|
||||
|
||||
func boundsToLogParams(low float64, high float64) (float64, float64) {
|
||||
loglow := math.Log(low)
|
||||
loghigh := math.Log(high)
|
||||
logmean := (loghigh + loglow) / 2.0
|
||||
logstd := (loghigh - loglow) / (2.0 * NORMAL90CONFIDENCE)
|
||||
return logmean, logstd
|
||||
|
||||
}
|
||||
|
||||
func multiplyLognormals(logmean1 float64, logstd1 float64, logmean2 float64, logstd2 float64) (float64, float64) {
|
||||
return logmean1 + logmean2, math.Sqrt(logstd1*logstd1 + logstd2*logstd2)
|
||||
}
|
||||
|
||||
func logParamsToBounds(logmean float64, logstd float64) (float64, float64) {
|
||||
h := logstd * NORMAL90CONFIDENCE
|
||||
loglow := logmean - h
|
||||
loghigh := logmean + h
|
||||
return math.Exp(loglow), math.Exp(loghigh)
|
||||
}
|
||||
|
||||
func combineBounds(old_low, old_high, new_low, new_high float64) (float64, float64) {
|
||||
logmean_old, logstd_old := boundsToLogParams(old_low, old_high)
|
||||
logmean_new, logstd_new := boundsToLogParams(new_low, new_high)
|
||||
|
||||
logmean_product, logstd_product := multiplyLognormals(logmean_old, logstd_old, logmean_new, logstd_new)
|
||||
|
||||
return logParamsToBounds(logmean_product, logstd_product)
|
||||
}
|
||||
|
||||
func prettyPrintDist(low float64, high float64) {
|
||||
// fmt.Printf("=> %.1f %.1f\n", low, high)
|
||||
fmt.Printf("=> ")
|
||||
switch {
|
||||
case math.Abs(low) >= 1_000_000_000_000:
|
||||
fmt.Printf("%.1fT", low/1_000_000_000_000)
|
||||
case math.Abs(low) >= 1_000_000_000:
|
||||
fmt.Printf("%.1fB", low/1_000_000_000)
|
||||
case math.Abs(low) >= 1_000_000:
|
||||
fmt.Printf("%.1fM", low/1_000_000)
|
||||
case math.Abs(low) >= 1_000:
|
||||
fmt.Printf("%.1fK", low/1_000)
|
||||
case math.Abs(low) >= 1_000:
|
||||
fmt.Printf("%.1fK", low/1_000)
|
||||
default:
|
||||
fmt.Printf("%.1f", low)
|
||||
}
|
||||
fmt.Printf(" ")
|
||||
switch {
|
||||
case math.Abs(high) >= 1_000_000_000_000:
|
||||
fmt.Printf("%.1fT", high/1_000_000_000_000)
|
||||
case math.Abs(high) >= 1_000_000_000:
|
||||
fmt.Printf("%.1fB", high/1_000_000_000)
|
||||
case math.Abs(high) >= 1_000_000:
|
||||
fmt.Printf("%.1fM", high/1_000_000)
|
||||
case math.Abs(high) >= 1_000:
|
||||
fmt.Printf("%.1fK", high/1_000)
|
||||
case math.Abs(high) >= 1_000:
|
||||
fmt.Printf("%.1fK", high/1_000)
|
||||
default:
|
||||
fmt.Printf("%.1f", high)
|
||||
}
|
||||
fmt.Printf("\n")
|
||||
// fmt.Printf("=> %.1f %.1f\n", low, high)
|
||||
}
|
||||
|
||||
func main() {
|
||||
reader := bufio.NewReader(os.Stdin)
|
||||
|
||||
var old_low, old_high float64
|
||||
var input string
|
||||
var err1, err2 error
|
||||
|
||||
InitialForLoop:
|
||||
for {
|
||||
input, _ = reader.ReadString('\n')
|
||||
input = strings.TrimSpace(input)
|
||||
words := strings.Split(input, " ")
|
||||
|
||||
switch len(words) {
|
||||
case 1:
|
||||
single_float, err1 := strconv.ParseFloat(words[0], 64)
|
||||
if err1 != nil {
|
||||
fmt.Println("Trying to initialize with a scalar, but scalar is not a float")
|
||||
continue InitialForLoop
|
||||
}
|
||||
old_low = single_float
|
||||
old_high = single_float
|
||||
case 2:
|
||||
old_low, err1 = strconv.ParseFloat(words[0], 64)
|
||||
old_high, err2 = strconv.ParseFloat(words[1], 64)
|
||||
if err1 != nil || err2 != nil {
|
||||
fmt.Println("Trying to initialize with a distribution, but distribution is not specified as two floats")
|
||||
continue InitialForLoop
|
||||
}
|
||||
default:
|
||||
fmt.Println("Please enter two floats separated by a space, like: 1 10")
|
||||
continue InitialForLoop
|
||||
}
|
||||
if err1 != nil || err2 != nil {
|
||||
fmt.Println("Please enter two floats separated by a space, like: 1 10")
|
||||
continue
|
||||
}
|
||||
break
|
||||
}
|
||||
prettyPrintDist(old_low, old_high)
|
||||
|
||||
error_msg_cont := "Valid inputs: 2 || * 2 || / 2 || 2 20 || * 2 20 || / 2 20 || i || e"
|
||||
EventForLoop:
|
||||
for {
|
||||
input, _ = reader.ReadString('\n')
|
||||
if strings.TrimSpace(input) == "" {
|
||||
continue EventForLoop
|
||||
}
|
||||
words := strings.Split(strings.TrimSpace(input), " ")
|
||||
|
||||
var new_low, new_high float64
|
||||
|
||||
switch words[0] {
|
||||
case "*":
|
||||
switch len(words) {
|
||||
case 1:
|
||||
fmt.Println("Can't multiply by nothing")
|
||||
fmt.Println(error_msg_cont)
|
||||
continue EventForLoop
|
||||
case 2:
|
||||
single_float, err1 := strconv.ParseFloat(words[1], 64)
|
||||
if err1 != nil {
|
||||
fmt.Println("Trying to multiply by a scalar, but scalar is not a float")
|
||||
fmt.Println(error_msg_cont)
|
||||
continue EventForLoop
|
||||
}
|
||||
new_low = single_float
|
||||
new_high = single_float
|
||||
case 3:
|
||||
new_low, err1 = strconv.ParseFloat(words[1], 64)
|
||||
new_high, err2 = strconv.ParseFloat(words[2], 64)
|
||||
if err1 != nil || err2 != nil {
|
||||
fmt.Println(error_msg_cont)
|
||||
fmt.Println("Trying to multiply by a distribution, but distribution is not specified as two floats")
|
||||
continue EventForLoop
|
||||
}
|
||||
default:
|
||||
fmt.Println("Trying to multiply by something, but this something is neither a scalar nor a distribution")
|
||||
fmt.Println(error_msg_cont)
|
||||
continue EventForLoop
|
||||
}
|
||||
case "/":
|
||||
switch len(words) {
|
||||
case 1:
|
||||
fmt.Println("Can't divide by nothing")
|
||||
fmt.Println(error_msg_cont)
|
||||
continue EventForLoop
|
||||
case 2:
|
||||
single_float, err1 := strconv.ParseFloat(words[1], 64)
|
||||
if err1 != nil {
|
||||
fmt.Println("Trying to divide by a scalar, but scalar is not a float")
|
||||
fmt.Println(error_msg_cont)
|
||||
continue EventForLoop
|
||||
}
|
||||
new_low = 1.0 / single_float
|
||||
new_high = 1.0 / single_float
|
||||
case 3:
|
||||
new_low, err1 = strconv.ParseFloat(words[1], 64)
|
||||
new_high, err2 = strconv.ParseFloat(words[2], 64)
|
||||
if err1 != nil || err2 != nil {
|
||||
fmt.Println("Trying to divide by a distribution, but distribution is not specified as two floats")
|
||||
fmt.Println(error_msg_cont)
|
||||
continue EventForLoop
|
||||
}
|
||||
tmp := new_low
|
||||
new_low = 1.0 / new_high
|
||||
new_high = 1.0 / tmp
|
||||
default:
|
||||
fmt.Println("Trying to divide by something, but this something is neither a scalar nor a distribution")
|
||||
}
|
||||
default:
|
||||
switch len(words) {
|
||||
case 0:
|
||||
continue EventForLoop
|
||||
case 1:
|
||||
switch words[0] {
|
||||
case "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 "e":
|
||||
break EventForLoop
|
||||
default:
|
||||
single_float, err1 := strconv.ParseFloat(words[0], 64)
|
||||
if err1 != nil {
|
||||
fmt.Println("Unrecognized command")
|
||||
fmt.Println(error_msg_cont)
|
||||
continue EventForLoop
|
||||
}
|
||||
new_low = single_float
|
||||
new_high = single_float
|
||||
}
|
||||
case 2:
|
||||
new_low, err1 = strconv.ParseFloat(words[0], 64)
|
||||
new_high, err2 = strconv.ParseFloat(words[1], 64)
|
||||
if err1 != nil || err2 != nil {
|
||||
fmt.Println("Trying to multiply by a distribution, but distribution is not specified as two floats")
|
||||
fmt.Println(error_msg_cont)
|
||||
continue EventForLoop
|
||||
}
|
||||
default:
|
||||
fmt.Println("No operation takes more than 3 words")
|
||||
fmt.Println(error_msg_cont)
|
||||
continue EventForLoop
|
||||
}
|
||||
}
|
||||
|
||||
old_low, old_high = combineBounds(old_low, old_high, new_low, new_high)
|
||||
prettyPrintDist(old_low, old_high)
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user