Opened 6 years ago
Closed 6 years ago
#1462 closed defect (worksforme)
srfi-4 unit should support s64 and u64 vectors in Chicken 5
| Reported by: | johnwcowan | Owned by: | |
|---|---|---|---|
| Priority: | major | Milestone: | 5.0 |
| Component: | core libraries | Version: | 4.13.0 |
| Keywords: | srfi-4 | Cc: | |
| Estimated difficulty: | easy |
Description
SRFI 4 has four sizes of integer vectors, 8-bit, 16-bit, 32-bit, and 64-bit vectors in signed and unsigned flavors. Currently, there is no support for 64-bit vectors anywhere in Chicken 4, even if the numbers egg is loaded. With native bignums, supporting s64vectors and u64vectors is straightforward and should be provided.
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I don't know what you've checked, but it seems to work just fine:
(c) 2008-2017, The CHICKEN Team (c) 2000-2007, Felix L. Winkelmann Version 5.0.0 (rev dfc562f1) linux-unix-gnu-x86-64 [ 64bit dload ptables ] #;1> (import srfi-4) ; loading /home/peter/chickens/chicken-5/lib/chicken/9/srfi-4.import.so ... ; loading /home/peter/chickens/chicken-5/lib/chicken/9/chicken.import.so ... ; loading /home/peter/chickens/chicken-5/lib/chicken/9/chicken.bitwise.import.so ... ; loading /home/peter/chickens/chicken-5/lib/chicken/9/chicken.fixnum.import.so ... ; loading /home/peter/chickens/chicken-5/lib/chicken/9/chicken.foreign.import.so ... ; loading /home/peter/chickens/chicken-5/lib/chicken/9/chicken.gc.import.so ... ; loading /home/peter/chickens/chicken-5/lib/chicken/9/chicken.platform.import.so ... ; loading /home/peter/chickens/chicken-5/lib/chicken/9/chicken.keyword.import.so ... ; loading library srfi-4 ... #;2> (u64vector (expt 2 64)) Error: (u64vector-set!) out of range 18446744073709551616 0 18446744073709551616 Call history: <syntax> (u64vector (expt 2 64)) <syntax> (expt 2 64) <eval> (u64vector (expt 2 64)) <eval> (expt 2 64) <-- #;2> (u64vector (- (expt 2 64) 1)) #u64(18446744073709551615)It's even documented, too!