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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5564 | serge | 1 | #include |
| 2 | #include |
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| 3 | #include |
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| 4 | |||
| 5 | #include "util/u_math.h" |
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| 6 | #include "util/u_half.h" |
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| 7 | |||
| 8 | int |
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| 9 | main(int argc, char **argv) |
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| 10 | { |
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| 11 | unsigned i; |
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| 12 | unsigned roundtrip_fails = 0; |
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| 13 | |||
| 14 | for(i = 0; i < 1 << 16; ++i) |
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| 15 | { |
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| 16 | uint16_t h = (uint16_t) i; |
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| 17 | union fi f; |
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| 18 | uint16_t rh; |
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| 19 | |||
| 20 | f.f = util_half_to_float(h); |
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| 21 | rh = util_float_to_half(f.f); |
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| 22 | |||
| 23 | if (h != rh && !(util_is_half_nan(h) && util_is_half_nan(rh))) { |
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| 24 | printf("Roundtrip failed: %x -> %x = %f -> %x\n", h, f.ui, f.f, rh); |
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| 25 | ++roundtrip_fails; |
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| 26 | } |
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| 27 | } |
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| 28 | |||
| 29 | if(roundtrip_fails) |
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| 30 | printf("Failure! %u/65536 half floats failed a conversion to float and back.\n", roundtrip_fails); |
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| 31 | else |
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| 32 | printf("Success!\n"); |
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| 33 | |||
| 34 | return 0; |
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| 35 | } |