Дополнения в описание проекта / Some addions in the description of the project

README-Eng.md

@@ -1,4 +1,4 @@
-# Basic-Geometry-c
+# Basic Geometry
 
 ## Library of basic geometric computations
 
@@ -6,6 +6,10 @@
 
 Programming language: C (C99)
 
+Version: 0.2.0-dev
+
+License: Apache-2.0
+
 The main goals of development of the library were:
 
 1. Performance
@@ -13,12 +17,24 @@ The main goals of development of the library were:
 3. Versatility
 
 Performance was the main goal of making of the library. That fact affected
-the implementation features of the library.
+the implementation of the library.
 
 For example, the main way to return data structures as a function result
 was chosen to be returning via a parameter, which avoids redundant copying
 of data through the call stack.
 
-Also the majority of functions were made as inline function. That allows
+Also the majority of functions were made as inline functions. That allows
 a compiller to replace a call of some function onto the body of that
 function.
+
+The library uses two types of floating point numbers: **float** и **double**
+(**binary32** and **binary64** types of the **IEEE 754** standard). That
+affected the implementation of the library too.
+
+The library is implicitly divided into two halves: one half is for data and
+functions of **float** type and another one is for date of th **double** type.
+And there are several bridges connect both of the halves. Those bridges are
+the functions of the type conversion.
+
+But there are no functions which use data of different types (*float* and
+*double* at the same time) for the computations.