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CUDA 10.1 difference when casting square roots of ints to ints using two different functions.
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| i: 625 | |
| powf(i, 0.5): 24 | |
| sqrtf(i): 25 | |
| ---------------------------------- | |
| i: 2401 | |
| powf(i, 0.5): 48 | |
| sqrtf(i): 49 | |
| ---------------------------------- | |
| i: 2500 | |
| powf(i, 0.5): 49 | |
| sqrtf(i): 50 | |
| ---------------------------------- | |
| i: 3136 | |
| powf(i, 0.5): 55 | |
| sqrtf(i): 56 | |
| ---------------------------------- | |
| i: 3969 | |
| powf(i, 0.5): 62 | |
| sqrtf(i): 63 | |
| ---------------------------------- | |
| i: 4900 | |
| powf(i, 0.5): 69 | |
| sqrtf(i): 70 | |
| ---------------------------------- | |
| i: 10000 | |
| powf(i, 0.5): 99 | |
| sqrtf(i): 100 | |
| ---------------------------------- | |
| i: 10201 | |
| powf(i, 0.5): 100 | |
| sqrtf(i): 101 | |
| ---------------------------------- | |
| i: 10609 | |
| powf(i, 0.5): 102 | |
| sqrtf(i): 103 | |
| ---------------------------------- | |
| i: 11449 | |
| powf(i, 0.5): 106 | |
| sqrtf(i): 107 | |
| ---------------------------------- | |
| i: 11881 | |
| powf(i, 0.5): 108 | |
| sqrtf(i): 109 | |
| ---------------------------------- | |
| i: 12544 | |
| powf(i, 0.5): 111 | |
| sqrtf(i): 112 | |
| ---------------------------------- | |
| i: 12769 | |
| powf(i, 0.5): 112 | |
| sqrtf(i): 113 | |
| ---------------------------------- | |
| i: 15876 | |
| powf(i, 0.5): 125 | |
| sqrtf(i): 126 | |
| ---------------------------------- |
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