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#include <fenv.h>
#include <math.h>
#include <float.h>
#include <stdlib.h>
#include <stdio.h>
#include <math-tests.h>
#if !defined(FE_OVERFLOW) && !defined(FE_UNDERFLOW)
/* If there's no support for the exceptions this test is checking,
then just return success and allow the test to be compiled. */
# define fetestexcept(e) 1
#endif
float zero = 0.0;
float inf = INFINITY;
int
main (void)
{
int result = 0;
float i = INFINITY;
float m = FLT_MAX;
feclearexcept (FE_ALL_EXCEPT);
if (nextafterf (m, i) != i)
{
puts ("nextafterf+ failed");
++result;
}
if (EXCEPTION_TESTS (float) && fetestexcept (FE_OVERFLOW) == 0)
{
puts ("nextafterf+ did not overflow");
++result;
}
feclearexcept (FE_ALL_EXCEPT);
if (nextafterf (-m, -i) != -i)
{
puts ("nextafterf- failed");
++result;
}
if (EXCEPTION_TESTS (float) && fetestexcept (FE_OVERFLOW) == 0)
{
puts ("nextafterf- did not overflow");
++result;
}
i = 0;
m = FLT_MIN;
feclearexcept (FE_ALL_EXCEPT);
i = nextafterf (m, i);
if (i < 0 || i >= FLT_MIN)
{
puts ("nextafterf+ failed");
++result;
}
if (EXCEPTION_TESTS (float) && fetestexcept (FE_UNDERFLOW) == 0)
{
puts ("nextafterf+ did not underflow");
++result;
}
i = 0;
feclearexcept (FE_ALL_EXCEPT);
i = nextafterf (-m, -i);
if (i > 0 || i <= -FLT_MIN)
{
puts ("nextafterf- failed");
++result;
}
if (EXCEPTION_TESTS (float) && fetestexcept (FE_UNDERFLOW) == 0)
{
puts ("nextafterf- did not underflow");
++result;
}
i = -INFINITY;
feclearexcept (FE_ALL_EXCEPT);
m = nextafterf (zero, inf);
if (m < 0.0 || m >= FLT_MIN)
{
puts ("nextafterf+ failed");
++result;
}
if (EXCEPTION_TESTS (float) && fetestexcept (FE_UNDERFLOW) == 0)
{
puts ("nextafterf+ did not underflow");
++result;
}
feclearexcept (FE_ALL_EXCEPT);
if (nextafterf (m, i) != 0.0)
{
puts ("nextafterf+ failed");
++result;
}
if (EXCEPTION_TESTS (float) && fetestexcept (FE_UNDERFLOW) == 0)
{
puts ("nextafterf+ did not underflow");
++result;
}
feclearexcept (FE_ALL_EXCEPT);
m = nextafterf (copysignf (zero, -1.0), -inf);
if (m > 0.0 || m <= -FLT_MIN)
{
puts ("nextafterf- failed");
++result;
}
if (EXCEPTION_TESTS (float) && fetestexcept (FE_UNDERFLOW) == 0)
{
puts ("nextafterf- did not underflow");
++result;
}
feclearexcept (FE_ALL_EXCEPT);
if (nextafterf (m, -i) != 0.0)
{
puts ("nextafterf- failed");
++result;
}
if (EXCEPTION_TESTS (float) && fetestexcept (FE_UNDERFLOW) == 0)
{
puts ("nextafterf- did not underflow");
++result;
}
double di = INFINITY;
double dm = DBL_MAX;
feclearexcept (FE_ALL_EXCEPT);
if (nextafter (dm, di) != di)
{
puts ("nextafter+ failed");
++result;
}
if (EXCEPTION_TESTS (double) && fetestexcept (FE_OVERFLOW) == 0)
{
puts ("nextafter+ did not overflow");
++result;
}
feclearexcept (FE_ALL_EXCEPT);
if (nextafter (-dm, -di) != -di)
{
puts ("nextafter failed");
++result;
}
if (EXCEPTION_TESTS (double) && fetestexcept (FE_OVERFLOW) == 0)
{
puts ("nextafter- did not overflow");
++result;
}
di = 0;
dm = DBL_MIN;
feclearexcept (FE_ALL_EXCEPT);
di = nextafter (dm, di);
if (di < 0 || di >= DBL_MIN)
{
puts ("nextafter+ failed");
++result;
}
if (EXCEPTION_TESTS (double) && fetestexcept (FE_UNDERFLOW) == 0)
{
puts ("nextafter+ did not underflow");
++result;
}
di = 0;
feclearexcept (FE_ALL_EXCEPT);
di = nextafter (-dm, -di);
if (di > 0 || di <= -DBL_MIN)
{
puts ("nextafter- failed");
++result;
}
if (EXCEPTION_TESTS (double) && fetestexcept (FE_UNDERFLOW) == 0)
{
puts ("nextafter- did not underflow");
++result;
}
di = -INFINITY;
feclearexcept (FE_ALL_EXCEPT);
dm = nextafter (zero, inf);
if (dm < 0.0 || dm >= DBL_MIN)
{
puts ("nextafter+ failed");
++result;
}
if (EXCEPTION_TESTS (double) && fetestexcept (FE_UNDERFLOW) == 0)
{
puts ("nextafter+ did not underflow");
++result;
}
feclearexcept (FE_ALL_EXCEPT);
if (nextafter (dm, di) != 0.0)
{
puts ("nextafter+ failed");
++result;
}
if (EXCEPTION_TESTS (double) && fetestexcept (FE_UNDERFLOW) == 0)
{
puts ("nextafter+ did not underflow");
++result;
}
feclearexcept (FE_ALL_EXCEPT);
dm = nextafter (copysign (zero, -1.0), -inf);
if (dm > 0.0 || dm <= -DBL_MIN)
{
puts ("nextafter- failed");
++result;
}
if (EXCEPTION_TESTS (double) && fetestexcept (FE_UNDERFLOW) == 0)
{
puts ("nextafter- did not underflow");
++result;
}
feclearexcept (FE_ALL_EXCEPT);
if (nextafter (dm, -di) != 0.0)
{
puts ("nextafter- failed");
++result;
}
if (EXCEPTION_TESTS (double) && fetestexcept (FE_UNDERFLOW) == 0)
{
puts ("nextafter- did not underflow");
++result;
}
long double li = INFINITY;
long double lm = LDBL_MAX;
feclearexcept (FE_ALL_EXCEPT);
if (nextafterl (lm, li) != li)
{
puts ("nextafterl+ failed");
++result;
}
if (EXCEPTION_TESTS (long double) && fetestexcept (FE_OVERFLOW) == 0)
{
puts ("nextafterl+ did not overflow");
++result;
}
feclearexcept (FE_ALL_EXCEPT);
if (nextafterl (-lm, -li) != -li)
{
puts ("nextafterl failed");
++result;
}
if (EXCEPTION_TESTS (long double) && fetestexcept (FE_OVERFLOW) == 0)
{
puts ("nextafterl- did not overflow");
++result;
}
li = 0;
lm = LDBL_MIN;
feclearexcept (FE_ALL_EXCEPT);
li = nextafterl (lm, li);
if (li < 0 || li >= LDBL_MIN)
{
puts ("nextafterl+ failed");
++result;
}
if (EXCEPTION_TESTS (long double) && fetestexcept (FE_UNDERFLOW) == 0)
{
puts ("nextafterl+ did not underflow");
++result;
}
li = 0;
feclearexcept (FE_ALL_EXCEPT);
li = nextafterl (-lm, -li);
if (li > 0 || li <= -LDBL_MIN)
{
puts ("nextafterl- failed");
++result;
}
if (EXCEPTION_TESTS (long double) && fetestexcept (FE_UNDERFLOW) == 0)
{
puts ("nextafterl- did not underflow");
++result;
}
li = -INFINITY;
feclearexcept (FE_ALL_EXCEPT);
lm = nextafterl (zero, inf);
if (lm < 0.0 || lm >= LDBL_MIN)
{
puts ("nextafterl+ failed");
++result;
}
if (EXCEPTION_TESTS (long double) && fetestexcept (FE_UNDERFLOW) == 0)
{
puts ("nextafterl+ did not underflow");
++result;
}
feclearexcept (FE_ALL_EXCEPT);
if (nextafterl (lm, li) != 0.0)
{
puts ("nextafterl+ failed");
++result;
}
if (EXCEPTION_TESTS (long double) && fetestexcept (FE_UNDERFLOW) == 0)
{
puts ("nextafterl+ did not underflow");
++result;
}
feclearexcept (FE_ALL_EXCEPT);
lm = nextafterl (copysign (zero, -1.0), -inf);
if (lm > 0.0 || lm <= -LDBL_MIN)
{
puts ("nextafterl- failed");
++result;
}
if (EXCEPTION_TESTS (long double) && fetestexcept (FE_UNDERFLOW) == 0)
{
puts ("nextafterl- did not underflow");
++result;
}
feclearexcept (FE_ALL_EXCEPT);
if (nextafterl (lm, -li) != 0.0)
{
puts ("nextafterl- failed");
++result;
}
if (EXCEPTION_TESTS (long double) && fetestexcept (FE_UNDERFLOW) == 0)
{
puts ("nextafterl- did not underflow");
++result;
}
return result;
}
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