| 1 |
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| 2 |
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| 3 | Eval_mod = ->
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| 4 | push(cadr(p1))
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| 5 | Eval()
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| 6 | push(caddr(p1))
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| 7 | Eval()
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| 8 | mod()
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| 9 |
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| 10 | mod = ->
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| 11 | n = 0
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| 12 |
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| 13 | save()
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| 14 |
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| 15 | p2 = pop()
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| 16 | p1 = pop()
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| 17 |
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| 18 | if (iszero(p2))
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| 19 | stop("mod function: divide by zero")
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| 20 |
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| 21 | if (!isnum(p1) || !isnum(p2))
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| 22 | push_symbol(MOD)
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| 23 | push(p1)
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| 24 | push(p2)
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| 25 | list(3)
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| 26 | restore()
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| 27 | return
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| 28 |
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| 29 | if (isdouble(p1))
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| 30 | push(p1)
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| 31 | n = pop_integer()
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| 32 | if (isNaN(n))
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| 33 | stop("mod function: cannot convert float value to integer")
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| 34 | push_integer(n)
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| 35 | p1 = pop()
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| 36 |
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| 37 | if (isdouble(p2))
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| 38 | push(p2)
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| 39 | n = pop_integer()
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| 40 | if (isNaN(n))
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| 41 | stop("mod function: cannot convert float value to integer")
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| 42 | push_integer(n)
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| 43 | p2 = pop()
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| 44 |
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| 45 | if (!isinteger(p1) || !isinteger(p2))
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| 46 | stop("mod function: integer arguments expected")
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| 47 |
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| 48 | p3 = new U()
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| 49 | p3.k = NUM
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| 50 | p3.q.a = mmod(p1.q.a, p2.q.a)
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| 51 | p3.q.b = mint(1)
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| 52 | push(p3)
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| 53 |
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| 54 | restore()
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| 55 |
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