search for: dbl_max_10_exp

Displaying 2 results from an estimated 2 matches for "dbl_max_10_exp".

2002 Jan 16
0
round() doesn't (PR#1139)
...1200) all.equal(round(100000/3, -2) - 33300, 0) all.equal(round(1e15, -2) - 1e15, 0) # Fails in R-patched Thanks to all for a great program, and congratulations on the release of 1.4.0! ---- begin C code for fround.c: ---- double fround(double x, double digits) { #define MAX_DIGITS DBL_MAX_10_EXP /* = 308 (IEEE); was till R 0.99: (DBL_DIG - 1) */ /* Note that large digits make sense for very small numbers */ double pow10, sgn, intx; int dig; #ifdef IEEE_754 if (ISNAN(x) || ISNAN(digits)) return x + digits; if(!R_FINITE(x)) return x; #endif if (digits > MAX_...
2001 Oct 22
1
round() doesn't (PR#1139)
R> round(100000/3, -2) - 33300 [1] -7.275958e-12 I would have hoped for 0. The problem seems to be specifically for negative "digits". This is in 1.3.1 on Solaris 2.6 (full description at bottom). [Apologies for making everyone read this 3 times; my bug.report() burped.] Peter Dalgaard <p.dalgaard@biostat.ku.dk> says the problem is in fround.c, which reads in part: