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Do not add an "l" prefix to double constants when double==long double #1320

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Merged
merged 1 commit into from
Sep 1, 2017
Merged

Do not add an "l" prefix to double constants when double==long double #1320

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6 changes: 6 additions & 0 deletions regression/cbmc/Float24/main.c
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
int main()
{
double d=5.1;
__CPROVER_assert(0, "");
return 0;
}
10 changes: 10 additions & 0 deletions regression/cbmc/Float24/test.desc
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@@ -0,0 +1,10 @@
CORE
main.c
--win32 --xml-ui
^EXIT=10$
^SIGNAL=0$
VERIFICATION FAILED
<full_lhs_value>5\.1</full_lhs_value>
--
^warning: ignoring
<full_lhs_value>5\.1l</full_lhs_value>
3 changes: 2 additions & 1 deletion src/ansi-c/expr2c.cpp
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Expand Up @@ -1859,7 +1859,8 @@ std::string expr2ct::convert_constant(
// ANSI-C: double is default; float/long-double require annotation
if(src.type()==float_type())
dest+='f';
else if(src.type()==long_double_type())
else if(src.type()==long_double_type() &&
double_type()!=long_double_type())
dest+='l';
}
else if(dest.size()==4 &&
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