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c++ Programming Glossary: numeric_limitsMost effective way for float and double comparison http://stackoverflow.com/questions/17333/most-effective-way-for-float-and-double-comparison on context and the expected size of a and b . BTW std numeric_limits epsilon is the machine epsilon . It is the smallest positive..
Is `long` guaranteed to be at least 32 bits? http://stackoverflow.com/questions/4329777/is-long-guaranteed-to-be-at-least-32-bits appears in the standard. But it basically implies that std numeric_limits long min LONG_MIN long LONG_MIN and std numeric_limits long.. std numeric_limits long min LONG_MIN long LONG_MIN and std numeric_limits long max LONG_MAX long LONG_MAX . So even though the C standard..
Printing double without losing precision http://stackoverflow.com/questions/4738768/printing-double-without-losing-precision stringstream ss double v 0.1 0.1 ss std setprecision std numeric_limits T digits10 v double u ss u std cout precision u v retained lost.. digits10 was the max required . ss std setprecision std numeric_limits T digits10 2 v ^^^^^^ 2 So it has to do with the number.. to compensate ss std scientific std setprecision std numeric_limits double digits10 1 v This still does not explain the need for..
In C++ is there a way to go to a specific line in a text file? http://stackoverflow.com/questions/5207550/in-c-is-there-a-way-to-go-to-a-specific-line-in-a-text-file std ios beg for int i 0 i num 1 i file.ignore std numeric_limits std streamsize max ' n' return file Sets the seek pointer of..
How do I print a double value with full precision using cout? http://stackoverflow.com/questions/554063/how-do-i-print-a-double-value-with-full-precision-using-cout of a float or double. #include limits typedef std numeric_limits double dbl double d 3.14159265358979 cout.precision dbl digits10..
http://stackoverflow.com/questions/589575/size-of-int-long-etc header in C or climits in C or even better templated std numeric_limits in limits header . For example this is how you will find maximum.. max_int INT_MAX C #include limits const int min_int std numeric_limits int min const int max_int std numeric_limits int max share..
How do promotion rules work when the signedness on either side of a binary operator differ? http://stackoverflow.com/questions/6770258/how-do-promotion-rules-work-when-the-signedness-on-either-side-of-a-binary-opera #include limits #include iostream int main int max std numeric_limits int max unsigned int one 1 unsigned int result max one std cout..
undefined reference to `__gxx_personality_sj0 http://stackoverflow.com/questions/7751640/undefined-reference-to-gxx-personality-sj0 std #include bitset int main Int a long long min std numeric_limits int min unsigned long long max std numeric_limits int max cout.. min std numeric_limits int min unsigned long long max std numeric_limits int max cout min min ' n' cout max max ' n' cout min max std..
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