propagate scalar ops, tweaks
This commit is contained in:
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b1a4f2bd3c
commit
4204db0c32
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@ -24,7 +24,7 @@ $ go run f.go
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=> 2573.1 33632.0
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=> 2573.1 33632.0
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/ 6 8
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/ 6 8
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=> 368.4 4893.5
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=> 368.4 4893.5
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/ 60 60
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/ 60
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=> 6.1 81.6
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=> 6.1 81.6
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```
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```
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@ -44,7 +44,7 @@ $ sed -u "s|#.*||" | sed -u 's|M|000000|g' | go run f.go
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=> 2573.1 33632.0
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=> 2573.1 33632.0
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/ 6 8 # hours a day in which piano tuners work
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/ 6 8 # hours a day in which piano tuners work
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=> 368.4 4893.5
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=> 368.4 4893.5
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/ 60 60 # minutes to an hour
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/ 60 # minutes to an hour
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=> 6.1 81.6
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=> 6.1 81.6
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# ^ piano tuners in Chicago
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# ^ piano tuners in Chicago
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```
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```
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37
f.go
37
f.go
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@ -42,19 +42,26 @@ func combineBounds(old_low, old_high, new_low, new_high float64) (float64, float
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func main() {
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func main() {
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reader := bufio.NewReader(os.Stdin)
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reader := bufio.NewReader(os.Stdin)
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input, _ := reader.ReadString('\n')
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input = strings.TrimSpace(input)
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var old_low, old_high float64
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words := strings.Split(input, " ")
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var input string
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error_msg_start := "Please enter two floats separated by a space, like: 1 10"
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var err1, err2 error
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if len(words) != 2 {
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for {
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fmt.Println(error_msg_start)
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input, _ = reader.ReadString('\n')
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return
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input = strings.TrimSpace(input)
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}
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words := strings.Split(input, " ")
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old_low, err1 := strconv.ParseFloat(words[0], 64)
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if len(words) != 2 {
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old_high, err2 := strconv.ParseFloat(words[1], 64)
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fmt.Println("Please enter two floats separated by a space, like: 1 10")
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if err1 != nil || err2 != nil {
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continue
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fmt.Println(error_msg_start)
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}
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return
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old_low, err1 = strconv.ParseFloat(words[0], 64)
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old_high, err2 = strconv.ParseFloat(words[1], 64)
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if err1 != nil || err2 != nil {
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fmt.Println("Please enter two floats separated by a space, like: 1 10")
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continue
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}
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break
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}
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}
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fmt.Printf("=> %.1f %.1f\n", old_low, old_high)
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fmt.Printf("=> %.1f %.1f\n", old_low, old_high)
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@ -68,8 +75,6 @@ EventForLoop:
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words := strings.Split(strings.TrimSpace(input), " ")
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words := strings.Split(strings.TrimSpace(input), " ")
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var new_low, new_high float64
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var new_low, new_high float64
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var err1, err2 error
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err1, err2 = nil, nil
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switch words[0] {
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switch words[0] {
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case "*":
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case "*":
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@ -107,7 +112,7 @@ EventForLoop:
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fmt.Println(error_msg_cont)
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fmt.Println(error_msg_cont)
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continue EventForLoop
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continue EventForLoop
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case 2:
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case 2:
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single_float, err1 := strconv.ParseFloat(words[0], 64)
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single_float, err1 := strconv.ParseFloat(words[1], 64)
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if err1 != nil {
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if err1 != nil {
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fmt.Println("Trying to divide by a scalar, but scalar is not a float")
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fmt.Println("Trying to divide by a scalar, but scalar is not a float")
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fmt.Println(error_msg_cont)
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fmt.Println(error_msg_cont)
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15
more/f.sh
15
more/f.sh
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@ -1,9 +1,12 @@
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#!/bin/bash
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#!/bin/bash
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#while IFS= read -r line; do echo "$line" | sed 's| //.*||' | go run main.go
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# while IFS= read -r line; do echo "$line" | sed 's|//.*||'; done | go run main.go
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function f(){
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sed -u "s|#.*||" |
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sed -u "s|//.*||" |
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sed -u 's|K|000|g' |
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sed -u 's|M|000000|g' |
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sed -u 's|B|000000000|g' |
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/usr/bin/f
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}
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# f
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sed -u 's|//.*||' | go run main.go
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# ^ sed unbuffered.
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# cat | tee -a log.f | sed -u 's|//.*||' | go run main.go | tee -a log.f
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@ -1,2 +0,0 @@
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1 10
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2 20
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@ -4,6 +4,6 @@
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/ 48 52 # weeks a year that piano tuners work for
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/ 48 52 # weeks a year that piano tuners work for
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/ 5 6 # days a week in which piano tuners work
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/ 5 6 # days a week in which piano tuners work
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/ 6 8 # hours a day in which piano tuners work
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/ 6 8 # hours a day in which piano tuners work
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/ 60 60 # minutes to an hour
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/ 60 # minutes to an hour
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# ^ piano tuners in Chicago
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# ^ piano tuners in Chicago
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@ -4,4 +4,4 @@
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/ 48 52
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/ 48 52
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/ 5 6
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/ 5 6
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/ 6 8
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/ 6 8
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/ 60 60
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/ 60
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