; roundto() result should not have large power 2 denominator.
; Pairs to test positive/negative value symmetry.
assert roundto(1.1, 1) == 1.1
assert roundto(-1.1, 1) == -1.1

; positive places
assert roundto(1.13, 1) == 1.1
assert roundto(1,17, 1) == 1.2
assert roundto(1.10, 1) == 1.1
assert roundto(-1.13, 1) == -1.1
assert roundto(-1,17, 1) == -1.2
assert roundto(-1.10, 1) == -1.1

; zero places
assert roundto(0.12, 0) == 0
assert roundto(123.89, 0) == 124
assert roundto(-0.12, 0) == 0
assert roundto(-123.89, 0) == -124

; negative places
assert roundto(123.45, -1) == 120
assert roundto(98765, -3) == 99000
assert roundto(24500, -2) == 24500
assert roundto(-123.45, -1) == -120
assert roundto(-98765, -3) == -99000
assert roundto(-24500, -2) == -24500

; round to even
assert roundto(0.5, 1) + roundto(1.5, 1) + roundto(2.5, 1) + roundto(3.5, 1) + roundto(4.5, 1) == roundto(0.5 + 1.5 + 2.5 + 3.5 + 4.5, 1)
assert roundto(-0.5, 1) + roundto(-1.5, 1) + roundto(-2.5, 1) + roundto(-3.5, 1) + roundto(-4.5, 1) == roundto(-0.5 - 1.5 - 2.5 - 3.5 - 4.5, 1)

assert roundto(0.12345, 4) == 0.1234
assert roundto(0.9875, 3) == 0.988
assert roundto(-0.12345, 4) == -0.1234
assert roundto(-0.9875, 3) == -0.988
assert roundto(1234.5, 0) == 1234
assert roundto(367.5, 0) == 368
assert roundto(-1234.5, 0) == -1234
assert roundto(-367.5, 0) == -368
assert roundto(29500.00, -3) == 30000
assert roundto(72250, -2) == 72200
assert roundto(-29500.00, -3) == -30000
assert roundto(-72250, -2) == -72200

; Assertion in transactions, no error:
comment

While parsing posting:
  Account:NOK  0  = -700.67 NOK
                    ^^^^^^^^^^^
Error: Balance assertion off by -0.00 NOK (expected to see -700.67 NOK)
end comment

2024-02-01 Regular precision
    Account:NOK   (-roundto(12.34 NOK * 56.78, 2))
    Expenses:NOK  700.67 NOK
2024-02-02 Assertion
    Account:NOK  0  = -700.67 NOK

; Transaction balance, no error:
comment

> 2024-02-01 Excessive precision
>     Account:USD   (-roundto($12.34 * 56.78, 2))
>     Expenses:USD  $700.67
Unbalanced remainder is:
    $0.0000000000000
Amount to balance against:
  $700.6700000000000
Error: Transaction does not balance
end comment

commodity $
    format $1000.0000000000000
2024-02-01 Excessive precision
    Account:USD   (-roundto($12.34 * 56.78, 2))
    Expenses:USD  $700.67

test bal --flat --no-total Account
         -700.67 NOK  Account:NOK
 $-700.6700000000000  Account:USD
end test