Minor documentation improvement

Author: adrg

internal/mathutil/math.go

@@ -1,6 +1,7 @@
 package mathutil
 
-// Min returns the value of the smallest argument.
+// Min returns the value of the smallest argument,
+// or 0 if no arguments are provided.
 func Min(args ...int) int {
 	if len(args) == 0 {
 		return 0
@@ -19,7 +20,8 @@ func Min(args ...int) int {
 	return min
 }
 
-// Max returns the value of the largest argument.
+// Max returns the value of the largest argument,
+// or 0 if no arguments are provided.
 func Max(args ...int) int {
 	if len(args) == 0 {
 		return 0
@@ -38,7 +40,8 @@ func Max(args ...int) int {
 	return max
 }
 
-// Minf returns the value of the smallest argument.
+// Minf returns the value of the smallest argument,
+// or 0 if no arguments are provided.
 func Minf(args ...float64) float64 {
 	if len(args) == 0 {
 		return 0
@@ -57,7 +60,8 @@ func Minf(args ...float64) float64 {
 	return min
 }
 
-// Maxf returns the value of the largest argument.
+// Maxf returns the value of the largest argument,
+// or 0 if no arguments are provided.
 func Maxf(args ...float64) float64 {
 	if len(args) == 0 {
 		return 0

internal/ngram/ngram.go

@@ -66,10 +66,10 @@ func Map(runes []rune, size int) (map[string]int, int) {
 
 // Intersection returns a map of the n-grams of the specified size found
 // in both terms, along with their frequency. The function also returns the
-// number of common n-grams (the sum of all the values in the output map), the
-// total number of n-grams in the first term and the total number of n-grams in
-// the second term. An n-gram size of 1 is used if the provided size is less
-// than or equal to 0.
+// number of common n-grams (the sum of all the values in the output map),
+// the total number of n-grams in the first term and the total number of
+// n-grams in the second term. An n-gram size of 1 is used if the provided
+// size is less than or equal to 0.
 func Intersection(a, b []rune, size int) (map[string]int, int, int, int) {
 	// Use an n-gram size of 1 if the provided size is invalid.
 	size = mathutil.Max(size, 1)