Так можно выводить значения переменных выражений в C++.
Проверено на GCC 4.2.4
и GCC 3.4.5 (mingw-vista special r3) :-)
#define CERR cerr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << ": " #define SHOW(x) CERR << #x << " = " << x << endl; // ... SHOW(pp);
free.cpp:Probability:160: Q = 2e+10 free.cpp:Probability:172: kekp = 1e+20 free.cpp:Probability:180: pp = 7.92249e+19 free.cpp:Probability:187: D1 = 2.52446e-20 free.cpp:Probability:188: D2 = 2.52446e-20 free.cpp:Probability:197: x = 1 free.cpp:Probability:202: v12 = 1.70226 free.cpp:Probability:203: w12 = nan
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