add new functions

balloon/lib/basics.nas

@@ -1,11 +1,17 @@
-# this file includes functions:
-#   append
-#   subvec
+# this file includes basic operation functions:
+# append
+# subvec
+# int
+# num
+# made by github user: ValKmjolnir
+
+# append is used to add a new var into an array/vector
 var append=func(vector,elements...)
 {
     return __call_special_inline_function(vector,elements);
 };
 
+# subvec is used to get a new array from an exist array
 var subvec=func(vector,begin,length)
 {
     var new_vector=[];
@@ -16,7 +22,15 @@ var subvec=func(vector,begin,length)
     return new_vector;
 };
 
+# int function is used to transfer double var into int var
+# the normal type of number in balloon script is double
 var int=func(value)
 {
-    return __call_Cpp_int(value);
+    return __Cpp_inline_var_to_int(value);
+};
+
+# num function is used to translate a string into a number
+var num=func(value)
+{
+    return __call_Cpp_type_trans_num(value);
 };

balloon/lib/io.nas

@@ -1,13 +1,16 @@
-
 # the function print is written by Cpp: std::cout
 # the function input is written by Cpp: std::cin
 # so the code is fake XD but the definitions are of great use
 # the definitions are set to avoid redefinition
+# made by github user: ValKmjolnir
+
+# print function use dynamic parameters
 var print=func(args...)
 {
     return __call_cpp_ostream_std_cout(args);
 };
 
+# the return type of input is __var_string
 var input=func()
 {
     return __call_cpp_istream_std_cin();

balloon/lib/math.nas

@@ -1,3 +1,5 @@
+# made by github user: ValKmjolnir
+
 var pi=3.14159265358979;
 var ln_2=0.69314718055994530942;
 var ln_10=2.30258509299404568402;
@@ -41,6 +43,7 @@ var pow=func(__x,__num)
     else{return exp(__num*ln(__x));}
 };
 
+# sigmoid function is a normal function used in neural networks
 var sigmoid=func(__x)
 {
     return 1.0/(1+exp(-__x));