Add math functions to cpp layer (#1069)

libs/core/_locales/core-jsdoc-strings.json

@@ -380,7 +380,7 @@
   "music.changeTempoBy": "Change the tempo by the specified amount",
   "music.changeTempoBy|param|bpm": "The change in beats per minute to the tempo, eg: 20",
   "music.noteFrequency": "Gets the frequency of a note.",
-  "music.noteFrequency|param|name": "the note name, eg: Note.C",
+  "music.noteFrequency|param|name": "the note name",
   "music.onEvent": "Registers code to run on various melody events",
   "music.playTone": "Plays a tone through pin ``P0`` for the given duration.",
   "music.playTone|param|frequency": "pitch of the tone to play in Hertz (Hz), eg: Note.C",

libs/core/_locales/core-strings.json

@@ -302,7 +302,7 @@
   "music.beginMelody|block": "start melody %melody=device_builtin_melody| repeating %options",
   "music.builtInMelody|block": "%melody",
   "music.changeTempoBy|block": "change tempo by (bpm)|%value",
-  "music.noteFrequency|block": "%note",
+  "music.noteFrequency|block": "%name",
   "music.onEvent|block": "music on %value",
   "music.playTone|block": "play|tone %note=device_note|for %duration=device_beat",
   "music.rest|block": "rest(ms)|%duration=device_beat",

libs/core/core.cpp

@@ -740,6 +740,48 @@ TNumber log(TNumber x){SINGLE(log)}
 //%
 TNumber log10(TNumber x){SINGLE(log10)}
 
+//%
+TNumber log2(TNumber x){SINGLE(log2)}
+
+//%
+TNumber exp(TNumber x){SINGLE(exp)}
+
+//%
+TNumber tan(TNumber x){SINGLE(tan)}
+
+//%
+TNumber tanh(TNumber x){SINGLE(tanh)}
+
+//%
+TNumber sin(TNumber x){SINGLE(sin)}
+
+//%
+TNumber sinh(TNumber x){SINGLE(sinh)}
+
+//%
+TNumber cos(TNumber x){SINGLE(cos)}
+
+//%
+TNumber cosh(TNumber x){SINGLE(cosh)}
+
+//%
+TNumber atan(TNumber x){SINGLE(atan)}
+
+//%
+TNumber atanh(TNumber x){SINGLE(atanh)}
+
+//%
+TNumber asin(TNumber x){SINGLE(asin)}
+
+//%
+TNumber asinh(TNumber x){SINGLE(asinh)}
+
+//%
+TNumber acos(TNumber x){SINGLE(acos)}
+
+//%
+TNumber acosh(TNumber x){SINGLE(acosh)}
+
 //%
 TNumber sqrt(TNumber x){SINGLE(sqrt)}