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Interesting Q/As related to the difficulties of having floatting point operations repeatable across platforms (CPU/OS/Compiler):

• Does any floating point-intensive code produce bit-exact results in any x86-based architecture?

• is boost::random::uniform_real_distribution supposed to be the same across processors?

• Difference in floating point arithmetics between x86 and x64

Interesting documents related to the C language:

• Understanding Integer Overflow in C/C++
• What every C programmer should know about undefined behavior

Interesting documents related to software licensing:

• SQLite page on copyright

Interesting documents related to memory, caches:

• What every programmer should know about memory

Interesting documents related to floats:

• What every programmer should know about floating-point arithmetic

Related to structure packing:

• The Lost Art of Structure Packing