On 04/02/2012 10:20, James Courtier-Dutton wrote:
>> #include <stdio.h>
>> #include <math.h>
>>
>> int main (void)
>> {
>> double x, c, s;
>> volatile double v;
>>
>> x = 1.0e22;
>> s = sin (x);
>> printf ("sin(%.17g) = %.17g\n", x, s);
>>
>> v = x;
>> x = v;
>> c = cos (x);
>> s = sin (x);
>> printf ("sin(%.17g) = %.17g\n", x, s);
>>
>> return c == 0;
>> }
> If you convert all the doubles into long doubles.
> You get:
... invalid code unless you remembered to add 'L' before the 'g' format
specifier as well. Did you? (Just checking.)
cheers,
DaveK
