testing float (without inline functions)
Failure: pow_upward (0xf.fffffp+124, 0x1p+0): Exception "Overflow" set
Failure: pow_upward (0xf.fffffp+124, 0x1p+0): errno set to 34, expected 0 (unchanged)
Failure: Test: pow_upward (0xf.fffffp+124, 0x1p+0)
Result:
 is:          inf   inf
 should be:   3.40282347e+38   0x1.fffffep+127

Test suite completed:
  Maximum error found of `1' ulp
  4 max error test cases,
  3396 input tests,
  - with 13716 tests for exception flags,
  - with 2732 tests for errno executed.
  3 errors occurred.