IntelRDFPMathLib20U2
	https://software.intel.com/en-us/articles/intel-decimal-floating-point-math-library
	https://www.netlib.org/misc/intel/
	Intel Decimal Floating-Point Math Library 2.0.2
	Changes made:
	 - Add compilation support with CYGWIN on Windows 10 platform
     - In makefile cl compiler replaced with clang
     - Add add.c to EXAMPLES for the decimal operation tests.
