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libstdc++: testsuite: use cmath long double overloads 

In case we need to supplement the C standard library with additional
definitions for float and long double, the declarations expected to be
in the C headers may not be there.  Rely on the cmath overloads
instead.


for  libstdc++-v3/ChangeLog

	* testsuite/20_util/to_chars/long_double.cc: Use cmath
	long double overloads for nexttoward and ldexp.
This commit is contained in:
Alexandre Oliva 2022-06-27 10:34:19 -03:00 committed by Alexandre Oliva
parent 8fce31f69b
commit 01e094f82d
1 changed files with 3 additions and 3 deletions
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6
libstdc++-v3/testsuite/20_util/to_chars/long_double.cc
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@ -54,11 +54,11 @@ namespace detail
{
long double
nextupl(long double x)
{ return nexttowardl(x, numeric_limits<long double>::infinity()); }
{ return nexttoward(x, numeric_limits<long double>::infinity()); }
long double
nextdownl(long double x)
{ return nexttowardl(x, -numeric_limits<long double>::infinity()); }
{ return nexttoward(x, -numeric_limits<long double>::infinity()); }
}
// The long double overloads of std::to_chars currently just go through printf
@ -138,7 +138,7 @@ test01()
for (int exponent : {-11000, -3000, -300, -50, -7, 0, 7, 50, 300, 3000, 11000})
for (long double testcase : hex_testcases)
{
testcase = ldexpl(testcase, exponent);
testcase = ldexp(testcase, exponent);
if (testcase == 0.0L || isinf(testcase))
continue;