propagate scalar ops, tweaks

README.md

@@ -24,7 +24,7 @@ $ go run f.go
 => 2573.1 33632.0
 / 6 8
 => 368.4 4893.5
-/ 60 60
+/ 60
 => 6.1 81.6
 ```
 
@@ -44,7 +44,7 @@ $ sed -u "s|#.*||" | sed -u 's|M|000000|g' | go run f.go
 => 2573.1 33632.0
 / 6 8 # hours a day in which piano tuners work
 => 368.4 4893.5
-/ 60 60 # minutes to an hour
+/ 60 # minutes to an hour
 => 6.1 81.6
 # ^ piano tuners in Chicago
 ```

f.go

@@ -42,19 +42,26 @@ func combineBounds(old_low, old_high, new_low, new_high float64) (float64, float
 
 func main() {
 	reader := bufio.NewReader(os.Stdin)
-	input, _ := reader.ReadString('\n')
+
+	var old_low, old_high float64
+	var input string
+	var err1, err2 error
+	for {
+		input, _ = reader.ReadString('\n')
 		input = strings.TrimSpace(input)
 		words := strings.Split(input, " ")
-	error_msg_start := "Please enter two floats separated by a space, like: 1 10"
 		if len(words) != 2 {
-		fmt.Println(error_msg_start)
+			fmt.Println("Please enter two floats separated by a space, like: 1 10")
-		return
+			continue
 		}
-	old_low, err1 := strconv.ParseFloat(words[0], 64)
+		old_low, err1 = strconv.ParseFloat(words[0], 64)
-	old_high, err2 := strconv.ParseFloat(words[1], 64)
+		old_high, err2 = strconv.ParseFloat(words[1], 64)
 		if err1 != nil || err2 != nil {
-		fmt.Println(error_msg_start)
+			fmt.Println("Please enter two floats separated by a space, like: 1 10")
-		return
+			continue
+		}
+		break
+
 	}
 	fmt.Printf("=> %.1f %.1f\n", old_low, old_high)
 
@@ -68,8 +75,6 @@ EventForLoop:
 		words := strings.Split(strings.TrimSpace(input), " ")
 
 		var new_low, new_high float64
-		var err1, err2 error
-		err1, err2 = nil, nil
 
 		switch words[0] {
 		case "*":
@@ -107,7 +112,7 @@ EventForLoop:
 				fmt.Println(error_msg_cont)
 				continue EventForLoop
 			case 2:
-				single_float, err1 := strconv.ParseFloat(words[0], 64)
+				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)

more/f.sh

@@ -1,9 +1,12 @@
 #!/bin/bash
-#while IFS= read -r line; do echo "$line" | sed 's| //.*||' | go run main.go
 
-# while IFS= read -r line; do echo "$line" | sed 's|//.*||'; done | go run main.go
+function f(){
+  sed -u "s|#.*||" | 
+  sed -u "s|//.*||" | 
+  sed -u 's|K|000|g' | 
+  sed -u 's|M|000000|g' | 
+  sed -u 's|B|000000000|g' | 
+  /usr/bin/f
+}
 
-
+# f
-sed -u 's|//.*||' | go run main.go
-# ^ sed unbuffered.
-# cat | tee -a log.f | sed -u 's|//.*||' | go run main.go | tee -a log.f

more/model.f

@@ -1,2 +0,0 @@
-1 10 
-2 20

more/piano-tuners-commented.f

@@ -4,6 +4,6 @@
 / 48 52 # weeks a year that piano tuners work for
 / 5 6 # days a week in which piano tuners work
 / 6 8 # hours a day in which piano tuners work
-/ 60 60 # minutes to an hour
+/ 60 # minutes to an hour
 # ^ piano tuners in Chicago
 

more/piano-tuners.f

@@ -4,4 +4,4 @@
 / 48 52
 / 5 6
 / 6 8
-/ 60 60
+/ 60