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vim-patch:9.1.2123: using NOT with a float returns a float in legacy script (#37639)

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Problem:  using NOT with a float returns a float in legacy vim script
          (kennypete)
Solution: Return a number instead of a float (Yegappan Lakshmanan)

fixes:  vim/vim#19282
closes: vim/vim#19289

ecc3faef61

N/A patches:
vim-patch:8.2.1980: Vim9: some tests are not done at the script level
vim-patch:9.1.2122: Vim9: Negating a float doesn't result in a bool

Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
This commit is contained in:
zeertzjq
2026-01-31 21:50:54 +08:00
committed by GitHub
parent 7ca3a56258
commit 270c7b46af
2 changed files with 9 additions and 4 deletions
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3
src/nvim/eval.c
View File

@@ -2784,7 +2784,8 @@ static int eval7_leader(typval_T *const rettv, const bool numeric_only,
break;
}
if (rettv->v_type == VAR_FLOAT) {
f = !(bool)f;
rettv->v_type = VAR_BOOL;
val = f == 0.0 ? kBoolVarTrue : kBoolVarFalse;
} else {
val = !val;
}

10
test/old/testdir/test_vimscript.vim
View File

@@ -7017,10 +7017,14 @@ func Test_compound_assignment_operators()
call assert_equal(10.5, x)
let x /= 2.5
call assert_equal(4.2, x)
call assert_fails('let x %= 0.5', 'E734')
call assert_fails('let x .= "f"', 'E734')
call assert_fails('let x %= 0.5', 'E734:')
call assert_fails('let x .= "f"', 'E734:')
let x = !3.14
call assert_equal(0.0, x)
call assert_equal(0, x)
call assert_equal(1, !!1.0)
let x = !0.0
call assert_equal(1, x)
call assert_equal(0, !!0.0)
" integer and float operations
let x = 1