Thank you Michael, Ermina and Jean! It is working a treat. Micheal
On Tue, 21 Jan 2020 at 17:00, <chuck-users-requ...@lists.cs.princeton.edu> wrote: > Send chuck-users mailing list submissions to > chuck-users@lists.cs.princeton.edu > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.cs.princeton.edu/mailman/listinfo/chuck-users > or, via email, send a message with subject or body 'help' to > chuck-users-requ...@lists.cs.princeton.edu > > You can reach the person managing the list at > chuck-users-ow...@lists.cs.princeton.edu > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of chuck-users digest..." > Today's Topics: > > 1. Conversion float to int using SndBuf (M?che?l ? Cath?in) > 2. Re: Conversion float to int using SndBuf (Michael Heuer) > 3. Re: Conversion float to int using SndBuf (ermina) > 4. Re: Conversion float to int using SndBuf (Jean Menezes da Rocha) > > > > ---------- Forwarded message ---------- > From: "Mícheál Ó Catháin" <micheal.ocath...@gmail.com> > To: chuck-users@lists.cs.princeton.edu > Cc: > Bcc: > Date: Tue, 21 Jan 2020 13:08:02 +0000 > Subject: [chuck-users] Conversion float to int using SndBuf > Hi > What is the best way to convert a float to int in the following please? > > //I want to set myBuf.pos to a percentage of myBuf.samples()... > //Start playing at say 40% through the total number of samples. > > 40.0 => float pctPosInit; > pctPosInit/100*myBuf.samples() => myBuf.pos; > > > This throws the error argument types don't match. > I'm not seeing how to convert the float to an int here. > Thanks for your help! > > Micheal > > > > ---------- Forwarded message ---------- > From: Michael Heuer <heue...@gmail.com> > To: ChucK Users Mailing List <chuck-users@lists.cs.princeton.edu> > Cc: > Bcc: > Date: Tue, 21 Jan 2020 09:35:12 -0600 > Subject: Re: [chuck-users] Conversion float to int using SndBuf > Hello Mícheál, > > The ChucK language has a cast operator '$' which might come in handy in > this situation > > (pctPosInit/100*myBuf.samples()) $ int => myBuf.pos; > > Cheers, > > michael > > > > On Jan 21, 2020, at 7:08 AM, Mícheál Ó Catháin < > micheal.ocath...@gmail.com> wrote: > > > > Hi > > What is the best way to convert a float to int in the following please? > > > > //I want to set myBuf.pos to a percentage of myBuf.samples()... > > //Start playing at say 40% through the total number of samples. > > > > 40.0 => float pctPosInit; > > pctPosInit/100*myBuf.samples() => myBuf.pos; > > > > > > This throws the error argument types don't match. > > I'm not seeing how to convert the float to an int here. > > Thanks for your help! > > > > Micheal > > _______________________________________________ > > chuck-users mailing list > > chuck-users@lists.cs.princeton.edu > > https://lists.cs.princeton.edu/mailman/listinfo/chuck-users > > > > > > ---------- Forwarded message ---------- > From: ermina <erm...@studioplume.com> > To: chuck-users@lists.cs.princeton.edu > Cc: > Bcc: > Date: Tue, 21 Jan 2020 16:47:40 +0100 > Subject: Re: [chuck-users] Conversion float to int using SndBuf > Hi, > > to convert a float to an int, > you need to explicitly cast the value with > 4.8 $ int => int foo; // foo == 4 > (as written here: https://chuck.cs.princeton.edu/doc/language/oper.html) > > So you would do something like > pctPosInit $ int => int pctPosInitInt > pctPosInitInt/100*myBuf.samples() => myBuf.pos; > > . e > On 01/21/2020 02:08 PM, Mícheál Ó Catháin wrote: > > Hi > > What is the best way to convert a float to int in the following please? > > > > //I want to set myBuf.pos to a percentage of myBuf.samples()... > > //Start playing at say 40% through the total number of samples. > > > > 40.0 => float pctPosInit; > > pctPosInit/100*myBuf.samples() => myBuf.pos; > > > > > > This throws the error argument types don't match. > > I'm not seeing how to convert the float to an int here. > > Thanks for your help! > > > > Micheal > > > > > > _______________________________________________ > > chuck-users mailing list > > chuck-users@lists.cs.princeton.edu > > https://lists.cs.princeton.edu/mailman/listinfo/chuck-users > > > > > > > ---------- Forwarded message ---------- > From: Jean Menezes da Rocha <j...@menezesdarocha.info> > To: ChucK Users Mailing List <chuck-users@lists.cs.princeton.edu> > Cc: > Bcc: > Date: Tue, 21 Jan 2020 12:58:36 -0300 > Subject: Re: [chuck-users] Conversion float to int using SndBuf > I would suggest that you call Math.round() before casting, as to prevent > undesirable effects: notice that in the example sent by ermina, 4.8 rounds > down to 4 when cast to int, which could cause miscalculations *depending > on your use case*. > The previous example would look something like this if we used > Math.round(): > > Math.round(pctPosInit) $ int => int pctPosInitInt; > pctPosInitInt/100*myBuf.samples() => myBuf.pos; > > Best regards! > > On Tue, Jan 21, 2020 at 12:49 PM ermina <erm...@studioplume.com> wrote: > >> Hi, >> >> to convert a float to an int, >> you need to explicitly cast the value with >> 4.8 $ int => int foo; // foo == 4 >> (as written here: https://chuck.cs.princeton.edu/doc/language/oper.html) >> >> So you would do something like >> pctPosInit $ int => int pctPosInitInt >> pctPosInitInt/100*myBuf.samples() => myBuf.pos; >> >> . e >> On 01/21/2020 02:08 PM, Mícheál Ó Catháin wrote: >> > Hi >> > What is the best way to convert a float to int in the following please? >> > >> > //I want to set myBuf.pos to a percentage of myBuf.samples()... >> > //Start playing at say 40% through the total number of samples. >> > >> > 40.0 => float pctPosInit; >> > pctPosInit/100*myBuf.samples() => myBuf.pos; >> > >> > >> > This throws the error argument types don't match. >> > I'm not seeing how to convert the float to an int here. >> > Thanks for your help! >> > >> > Micheal >> > >> > >> > _______________________________________________ >> > chuck-users mailing list >> > chuck-users@lists.cs.princeton.edu >> > https://lists.cs.princeton.edu/mailman/listinfo/chuck-users >> > >> _______________________________________________ >> chuck-users mailing list >> chuck-users@lists.cs.princeton.edu >> https://lists.cs.princeton.edu/mailman/listinfo/chuck-users >> > > > -- > Jean Menezes da Rocha > _______________________________________________ > chuck-users mailing list > chuck-users@lists.cs.princeton.edu > https://lists.cs.princeton.edu/mailman/listinfo/chuck-users >
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