https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122129
Bug ID: 122129
Summary: DEC_EVAL_METHOD not match constants
Product: gcc
Version: 15.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: tydeman at tybor dot com
Target Milestone: ---
/* Prereq: dnf install libdfp-devel */
#define __STDC_WANT_DEC_FP__ 1
#define __STDC_WANT_IEC_60559_DFP_EXT__ 1
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <errno.h>
#include <fenv.h>
#include <float.h>
#include <math.h>
#pragma STDC FENV_ACCESS ON
#pragma STDC FP_CONTRACT OFF
#pragma STDC FENV_ROUND FE_TONEAREST
#pragma STDC FENV_DEC_ROUND FE_DEC_TONEAREST
#pragma STDC CX_LIMITED_RANGE OFF
int main(void){
if(1){
_Decimal128 dfp37a = 1e300DL;
_Decimal128 dfp37b = 1e300DD;
_Decimal128 dfp37c = 1e300DF; /* not infinity */
assert( 2 == DEC_EVAL_METHOD );
assert( dfp37a == dfp37b );
assert( dfp37b == dfp37c ); /* fails here */
}
return 0;
}