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From: "jkaltes at hotmail dot nl" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/97689] New: (ceilf(begin/(float)tstep))*tstep
Date: Tue, 03 Nov 2020 09:28:00 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97689

            Bug ID: 97689
           Summary: (ceilf(begin/(float)tstep))*tstep
           Product: gcc
           Version: 10.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: jkaltes at hotmail dot nl
  Target Milestone: ---

Created attachment 49490
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D49490&action=3Dedit
.i file

#include <stdio.h>
#include <math.h>


int main() {
unsigned int begin=3D1604288179,tstep=3D3600;
unsigned int first=3D(ceilf(begin/(float)tstep))*tstep;
unsigned int first2=3D((unsigned int)ceilf(begin/(float)tstep))*tstep;
printf("%d %d\n",first,first2);

}
./a.out
gives:
1604289536 1604289600=