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Am 07.02.2011 um 03:37 schrieb Misha Koshelev:
- FLOAT full[10] = { 1.0f, -2.0f, 6.55e4, 6.10352e-5, 5.96046e-8, 0.0f, -0.0f, INFINITY, -INFINITY, NAN },
full_exp[10] = { 1.0f, -2.0f, 6.55e4, 6.10352e-5, 5.96046e-8, 0.0f, -0.0f, 65536.0f, -131008.0f, 131008.0f },full_res[10];
I'd rather call them "single" instead of full because 32 bit floats are usually referred to as single precision(doubles are double precision, and 16 bit floats half precision)
math.c:2238: Test failed: Got 7fff, expected 7c00 for index 7.
Looks like Windows doesn't do INF, and returns NaN instead. Your -INF value test already expects NaN as return value, but with the sign bit set. INF or -INF should have all mantissa bits set to 0. NaN looks like +/- INF, just with mantissa != 0(so there are many possible encodings of NaN).
However, it is also possible that Windows doesn't support those special values at all. This is suggested by the fact that +/- NaN is happily converted into a proper single precision value.