mtlb_uint64
Matlab uint64 emulation function
Description
Matlab and Scilab uint64
behave differently :
- Beyong the main interval bounds, Scilab's
uint64()
wraps, while Matlab'smtlb_uint64()
saturates. - For non integer values, Scilab's
uint64()
truncates the fractional part, while Matlab'smtlb_uint64()
rounds to the nearest integer.
Let imax = 2^64 - 1 = 18 446 744 073 709 551 615
.
x | uint64(x) | mtlb_uint64(x) |
---|---|---|
%nan | 0 | 0 |
-%inf | 0 | 0 |
-2 | imax-1 | 0 |
-1 | imax | 0 |
0 | 0 | 0 |
1 | 1 | 1 |
10.2 | 10 | 10 |
10.5 | 10 | 11 |
10.51 | 10 | 11 |
... | ... | ... |
imax | imax | imax |
imax+1 | 0 | imax |
imax+1 | 1 | imax |
%inf | imax | imax |
The function |
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