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 | 1 | initial version |
On Linux, in /usr/lib/gcc/x86_64-linux-gnu/4.8/include/float.h it has
#define FLT_EPSILON __FLT_EPSILON__
However if you try to grep for __FLT_EPSILON__ you won't find anything. Somehow gcc just knows.
| | 2 | No.2 Revision |
On Linux, in /usr/lib/gcc/x86_64-linux-gnu/4.8/include/float.h it has
#define FLT_EPSILON __FLT_EPSILON__
However if you try to grep for __FLT_EPSILON__ you won't find anything. Somehow gcc just knows.
cout << FLT_EPSILON << endl;
returns
1.19209e-07