| 1 | # exp(x) - exp(-x)
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| 2 | # sinh(x) = ----------------
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| 3 | # 2
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| 4 |
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| 5 |
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| 6 |
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| 7 | Eval_sinh = ->
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| 8 | push(cadr(p1))
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| 9 | Eval()
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| 10 | ysinh()
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| 11 |
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| 12 | ysinh = ->
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| 13 | save()
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| 14 | yysinh()
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| 15 | restore()
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| 16 |
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| 17 | yysinh = ->
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| 18 | d = 0.0
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| 19 | p1 = pop()
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| 20 | if (car(p1) == symbol(ARCSINH))
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| 21 | push(cadr(p1))
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| 22 | return
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| 23 | if (isdouble(p1))
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| 24 | d = Math.sinh(p1.d)
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| 25 | if (Math.abs(d) < 1e-10)
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| 26 | d = 0.0
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| 27 | push_double(d)
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| 28 | return
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| 29 | if (iszero(p1))
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| 30 | push(zero)
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| 31 | return
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| 32 | push_symbol(SINH)
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| 33 | push(p1)
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| 34 | list(2)
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| 35 |
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| 36 |
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