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[ruby/date] remove conditional for uint64_t

Browse Source 
https://github.com/ruby/date/commit/47778c32d8
This commit is contained in:
Maciej Mensfeld 2025-12-18 14:03:00 +01:00 committed by Hiroshi SHIBATA
parent 5960fb9fa0
commit 8024245854
Notes: git 2025-12-26 02:02:33 +00:00 
Merged: https://github.com/ruby/ruby/pull/15736
1 changed files with 3 additions and 11 deletions
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14
ext/date/date_core.c
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@ -863,9 +863,7 @@ static void
c_gregorian_jd_to_civil(int jd, int *ry, int *rm, int *rd)
{
int r0, n1, q1, r1, n2, q2, r2, n3, q3, r3, y0, j;
#ifdef HAVE_LONG_LONG
unsigned LONG_LONG u2;
#endif
uint64_t u2;
/* Convert JDN to rata die (March 1, Year 0 epoch) */
r0 = jd - NS_EPOCH;
@ -878,16 +876,10 @@ c_gregorian_jd_to_civil(int jd, int *ry, int *rm, int *rd)
/* Calculate year within century and day of year */
n2 = 4 * r1 + 3;
#ifdef HAVE_LONG_LONG
/* Use 64-bit arithmetic to avoid overflow */
u2 = (unsigned LONG_LONG)NS_YEAR_MULTIPLIER * (unsigned LONG_LONG)n2;
u2 = (uint64_t)NS_YEAR_MULTIPLIER * (uint64_t)n2;
q2 = (int)(u2 >> 32);
r2 = (int)((unsigned int)u2 / NS_YEAR_MULTIPLIER / 4);
#else
/* Fallback for systems without 64-bit integers */
q2 = n2 / NS_DAYS_IN_4_YEARS;
r2 = (n2 % NS_DAYS_IN_4_YEARS) / 4;
#endif
r2 = (int)((uint32_t)u2 / NS_YEAR_MULTIPLIER / 4);
/* Calculate month and day using integer arithmetic */
n3 = NS_MONTH_COEFF * r2 + NS_MONTH_OFFSET;