[Gambas-user] cannot find symbol sinh in libc

[Demosthenes Koptsis]

sinh is documented in libc manual but it is function of libm


On 06/11/2018 12:17 PM, vuott at tiscali.it wrote:
> > ...but it is not there as you say.
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> what do you mean?
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> vuott
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> Il 11.06.2018 10:04 Demosthenes Koptsis ha scritto:
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>> Thanks Tobias!
>>
>> Anyway sinh is documented in glibc manual also, but it is not there as
>> you say.
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>> https://www.gnu.org/software/libc/manual/html_node/Hyperbolic-Functions.html#Hyperbolic-FunctionsOn 06/11/2018 11:07 AM, Tobias Boege wrote:
>>> On Mon, 11 Jun 2018, Demosthenes Koptsis wrote:
>>>> hello, according 
>>>> https://www.gnu.org/software/libc/manual/html_node/Hyperbolic-Functions.html#Hyperbolic-Functions 
>>>> i have this external function 'double sinh (double x) Public Extern 
>>>> sinh_C(x As Float) As Float Exec "sinh" but i get the error "cannot 
>>>> find symbol sinh in libc" why?
>>> Because it is in libm: Extern my_sinh(f As Float) As Float In 
>>> "libm:6" Exec "sinh" Print Sinh(20) Print my_sinh(20)
>>>> 242582597.704895 242582597.704895
>>> At least on my system, the manpage of sinh tells you to "Link with 
>>> -lm." Regards, Tobi
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