on. I mean we should use sprintf(str, "%.15g", val) and strtod.
I have tested about 1 random float values, it works fine. Interestingly,
if I use "%.16g", "%.17g"...etc, precision lost will occur.
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ShenLei
2010/1/29 Vincenzo Romano
> 2010/1/29 沈雷 :
> >
Hi!
In C Language, there is a way to format float numbers into a hex string by
using "%a" in printf.
eg:
the value: 1.2345 can be expressed as '0x1.3c083126e978dp+0' which is the
hex representation of a float number.
I have tried this in Postgres:
SELECT '0x1.3c083126e978dp+0'::float;
float8
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