Attachment "2952904.patch" to
ticket [2952904fff]
added by
kennykb
2010-02-19 09:52:42.
? NSK1200002852A
Index: generic/tclStrToD.c
===================================================================
RCS file: /cvsroot/tcl/tcl/generic/tclStrToD.c,v
retrieving revision 1.39
diff -u -r1.39 tclStrToD.c
--- generic/tclStrToD.c 7 Dec 2009 17:15:33 -0000 1.39
+++ generic/tclStrToD.c 19 Feb 2010 02:42:35 -0000
@@ -110,7 +110,6 @@
static int mantBits; /* Number of bits in a double's significand */
static mp_int pow5[9]; /* Table of powers of 5**(2**n), up to
* 5**256 */
-static double tiny; /* The smallest representable double */
static int maxDigits; /* The maximum number of digits to the left of
* the decimal point of a double. */
static int minDigits; /* The maximum number of digits to the right
@@ -1490,8 +1489,8 @@
goto returnValue;
}
retval = SafeLdExp(retval, machexp);
- if (retval < tiny) {
- retval = tiny;
+ if (retval == 0.0) {
+ retval = SafeLdExp(1.0, DBL_MIN_EXP * log2FLT_RADIX - mantBits);
}
/*
@@ -2245,7 +2244,6 @@
* the significand of a double.
*/
- tiny = SafeLdExp(1.0, DBL_MIN_EXP * log2FLT_RADIX - mantBits);
maxDigits = (int) ((DBL_MAX_EXP * log((double) FLT_RADIX)
+ 0.5 * log(10.)) / log(10.));
minDigits = (int) floor((DBL_MIN_EXP - DBL_MANT_DIG)
