add K/M/B/T to output

README.md

@@ -85,6 +85,8 @@ function f(){
 }
 ```
 
+Note that these sed commands are just hacks, and won't parse e.g., `3.5K` correctly—it will just substitute for 3.5000
+
 ## Tips & tricks
 
 Conceptually clearer to have all the multiplications first and then all the divisions

f.go

@@ -40,6 +40,42 @@ func combineBounds(old_low, old_high, new_low, new_high float64) (float64, float
 	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)
 
@@ -79,7 +115,7 @@ InitialForLoop:
 		}
 		break
 	}
-	fmt.Printf("=> %.1f %.1f\n", old_low, old_high)
+	prettyPrintDist(old_low, old_high)
 
 	error_msg_cont := "Valid inputs: 2 || * 2 || / 2 || 2 20 || * 2 20 || / 2 20 || i || e"
 EventForLoop:
@@ -189,6 +225,6 @@ EventForLoop:
 		}
 
 		old_low, old_high = combineBounds(old_low, old_high, new_low, new_high)
-		fmt.Printf("=> %.1f %.1f\n", old_low, old_high)
+		prettyPrintDist(old_low, old_high)
 	}
 }