QuantLib macros

### A free/open-source library for quantitative finance

Modules | Defines
QuantLib macros

## Modules
| Numeric limits
| Debugging macros
## Defines
#define | QL_VERSION "1.2"
| version string
#define | QL_HEX_VERSION 0x010200f0
| version hexadecimal number
#define | QL_LIB_VERSION "1_2"
| version string for output lib name

## Detailed Description

Global definitions and a few macros which help porting the code to different compilers.