id summary reporter owner description type status milestone component version severity resolution keywords cc 10082 implicit cpp_rational(double) marc.glisse@… John Maddock "Hello, while trying to plug cpp_rational in our software, I noticed that the conversion from double is explicit, which complicates things quite a bit for me. I can't think of a reason why it needs to be explicit. The documentation seems to say that non-lossy conversions from builtin types are implicit, and converting from double to cpp_rational should be exact." Bugs closed To Be Determined multiprecision Boost 1.55.0 Problem fixed