| 1 | ### ceiling =====================================================================
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| 2 |
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| 3 | Tags
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| 4 | ----
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| 5 | scripting, JS, internal, treenode, general concept
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| 6 |
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| 7 | Parameters
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| 8 | ----------
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| 9 | x
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| 10 |
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| 11 | General description
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| 12 | -------------------
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| 13 |
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| 14 | Returns the smallest integer not less than x.
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| 15 |
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| 16 | ###
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| 17 |
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| 18 |
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| 19 | Eval_ceiling = ->
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| 20 | push(cadr(p1))
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| 21 | Eval()
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| 22 | ceiling()
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| 23 |
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| 24 | ceiling = ->
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| 25 | save()
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| 26 | yyceiling()
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| 27 | restore()
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| 28 |
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| 29 | yyceiling = ->
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| 30 | d = 0.0
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| 31 |
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| 32 | p1 = pop()
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| 33 |
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| 34 | if (!isnum(p1))
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| 35 | push_symbol(CEILING)
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| 36 | push(p1)
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| 37 | list(2)
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| 38 | return
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| 39 |
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| 40 | if (isdouble(p1))
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| 41 | d = Math.ceil(p1.d)
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| 42 | push_double(d)
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| 43 | return
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| 44 |
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| 45 | if (isinteger(p1))
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| 46 | push(p1)
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| 47 | return
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| 48 |
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| 49 | p3 = new U()
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| 50 | p3.k = NUM
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| 51 | p3.q.a = mdiv(p1.q.a, p1.q.b)
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| 52 | p3.q.b = mint(1)
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| 53 | push(p3)
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| 54 |
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| 55 | if (isnegativenumber(p1))
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| 56 | doNothing = 1
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| 57 | else
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| 58 | push_integer(1)
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| 59 | add()
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| 60 |
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| 61 |
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