CHANGE: Rename MAXIMUM-OF and MINIMUM-OF to FIND-MAX and FIND-MIN

resolves: Oldes/Rebol-issues#1971

Author: Oldes

src/mezz/mezz-math.reb

@@ -62,8 +62,8 @@ sign?: func [
 	]
 ]
 
-minimum-of: func [
-	{Finds the smallest value in a series}
+find-min: func [
+	{Returns the series where the smallest value is found, or none if the series is empty.}
 	series [series!] {Series to search}
 	/skip {Treat the series as records of fixed size}
 	size [integer!]
@@ -78,8 +78,8 @@ minimum-of: func [
 	spot
 ]
 
-maximum-of: func [
-	{Finds the largest value in a series}
+find-max: func [
+	{Returns the series where the largest value is found, or none if the series is empty.}
 	series [series!] {Series to search}
 	/skip {Treat the series as records of fixed size}
 	size [integer!]

src/tests/units/series-test.r3

@@ -461,6 +461,15 @@ Rebol [
 	--assert [b 3 4 a 1 2] = head move/to/skip at [a 1 2 b 3 4] 4 1 3
 ===end-group===
 
+===start-group=== "FIND-MAX / FIND-MIN"
+	b: [1 2 3 -1]
+	--test-- "FIND-MAX block!" --assert  3 = first find-max b
+	--test-- "FIND-MIN block!" --assert -1 = first find-min b
+	b: [1 a 2 b 3 c -1 d]
+	--test-- "FIND-MAX/skip block!" --assert  3 = first find-max/skip b 2
+	--test-- "FIND-MIN/skip block!" --assert -1 = first find-min/skip b 2
+===end-group===
+
 ===start-group=== "++ & --"
 	;@@ https://github.com/Oldes/Rebol-issues/issues/554
 	--test-- "++ & -- on block!"

src/tests/units/vector-test.r3

@@ -444,11 +444,11 @@ Rebol [
 ===end-group===
 
 
-===start-group=== "MAXIMUM-OF / MINIMUM-OF"
+===start-group=== "FIND-MAX / FIND-MIN"
 	;@@ https://github.com/Oldes/Rebol-issues/issues/460
 	v: #[si32! [1 2 3 -1]]
-	--test-- "MAXIMUM-OF vector!" --assert  3 = first maximum-of v
-	--test-- "MINIMUM-OF vector!" --assert -1 = first minimum-of v
+	--test-- "FIND-MAX vector!" --assert  3 = first find-max v
+	--test-- "FIND-MIN vector!" --assert -1 = first find-min v
 ===end-group===