DBL_DIG           262 base/third_party/dmg_fp/dtoa.cc #define DBL_DIG 15
DBL_DIG           269 base/third_party/dmg_fp/dtoa.cc #define DBL_DIG 16
DBL_DIG           277 base/third_party/dmg_fp/dtoa.cc #define DBL_DIG 16
DBL_DIG          5557 third_party/libxml/src/xmlschemastypes.c #define DBL_DIG 16
DBL_DIG          2643 third_party/libxml/src/xpath.c #define DBL_DIG 16