[Viuavm-commits] [SCM] Viua VM branch issue/e8113638/math-on-bits updated. v0.9.0-863-g68637db

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commit 68637dbdc6bbe556c74ead2e305e1c7d01ac1aeb
Author: Marek Marecki <address@hidden>
Date:   Sat Nov 11 15:52:35 2017 +0100

    Explain the overflow checks for checked signed multiplication

commit ddfab948cb6f9326068bbff05fd6bf91870aabdd
Author: Marek Marecki <address@hidden>
Date:   Sat Nov 11 15:51:54 2017 +0100

    Fix some problems with checked signed multiplication

commit 6644358a9a6b5ced9cfe7a49a2c718626c96237a
Author: Marek Marecki <address@hidden>
Date:   Sat Nov 11 15:51:08 2017 +0100

    More tests for checked signed arithmetic

commit 0953eca4ad3557427102afb7dcd71349e37f885f
Author: Marek Marecki <address@hidden>
Date:   Sat Nov 11 15:20:03 2017 +0100

    Use .back() instead of awkward .size() - 1 access

commit 034d3af4235ec990d5fb1e6e93c5333dff4d62f1
Author: Marek Marecki <address@hidden>
Date:   Sat Nov 11 14:11:48 2017 +0100

    Implement checked signed multiplication

commit 627e59d9492396c521a409760d0b3d67b5a84372
Author: Marek Marecki <address@hidden>
Date:   Sat Nov 11 00:17:55 2017 +0100

    Test for subtraction

-----------------------------------------------------------------------

Summary of changes:
 ...tive.asm => addition_gives_negative_result.asm} |   7 +-
 ...plication_negative_negative_gives_positive.asm} |   4 +-
 ...plication_negative_positive_gives_negative.asm} |   7 +-
 ...plication_positive_negative_gives_negative.asm} |   7 +-
 .../overflowing_64x2_multiplication.asm            |   2 +-
 .../overflowing_64x64_multiplication.asm}          |   4 +-
 src/process/instr/bits.cpp                         |   2 +-
 src/types/bits.cpp                                 | 187 ++++++++++++++++++++-
 tests/tests.py                                     |  34 ++++
 9 files changed, 232 insertions(+), 22 deletions(-)
 copy 
sample/asm/bits/arithmetic/signed_checked/{overflowing_addition_two_negatives_give_positive.asm
 => addition_gives_negative_result.asm} (86%)
 copy 
sample/asm/bits/arithmetic/signed_checked/{overflowing_addition_two_negatives_give_positive.asm
 => multiplication_negative_negative_gives_positive.asm} (90%)
 copy 
sample/asm/bits/arithmetic/signed_checked/{overflowing_addition_two_negatives_give_positive.asm
 => multiplication_negative_positive_gives_negative.asm} (84%)
 copy 
sample/asm/bits/arithmetic/signed_checked/{overflowing_addition_two_negatives_give_positive.asm
 => multiplication_positive_negative_gives_negative.asm} (84%)
 copy sample/asm/bits/arithmetic/{signed_wrapping => 
signed_checked}/overflowing_64x2_multiplication.asm (93%)
 copy 
sample/asm/bits/arithmetic/{signed_wrapping/overflowing_64x2_multiplication.asm 
=> signed_checked/overflowing_64x64_multiplication.asm} (89%)


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