----- Original Message -----
From: "Rich Mcelroy" <rmcelroy@CSTSURVEY.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Friday, February 22, 2002 9:48 AM
Subject: Re: [PIC]:MPLAB floating point in C


> I'm using Bytecraft's compiler for MPLAB.  it does basic math, but the
> results I'm getting indicate that it is droping anything after the integer
> on my calculations.  I'm trying to calculate a percentage:
>
> Percent = A/B * 100;  something like that.  I have been getting a zero for
> percent everytime.

Try multiplying A by 100 first and then divide by B.     eg. x = (A * 100) /
B

IOW, eliminate the fractional parts by scaling them to integers before doing
the divide.

michael brown

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