1. Pair of Problems partly solved
I changed it to "get" and it works fine but now it gives me the message
"true/false condition must be an ATOM. at the line below.
...
object j
object b
object c
object A
object B
if i = 0 or y = 0 then -- this line!!
puts (SCREEN, "Can't divide by zero!!\n")
else
puts (SCREEN, "Dividing first number by second.\n")
z = y / i
? z
puts (SCREEN, "Dividing second number by first.\n")
b = i / y
? b
puts (SCREEN, "Addition\n")
x = y + i
? x
puts (SCREEN, "Multiplication\n")
w = y * i
? w
puts (SCREEN, "Subtract second number from first.\n")
j = y - i
? j
puts (SCREEN, "Subtract first number from second.\n")
c = i - y
? c
puts (SCREEN, "Square root of first number.\n")
A = sqrt (i)
? A
puts (SCREEN, "Square root of second number.\n")
B = sqrt (y)
? B
end if
2. Re: Pair of Problems partly solved
then try atom(i). That should work.
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3. Re: Pair of Problems partly solved
- Posted by Ralf Nieuwenhuijsen <nieuwen at XS4ALL.NL>
Sep 20, 1998
-
Last edited Sep 21, 1998
>I changed it to "get" and it works fine but now it gives me the message
>"true/false condition must be an ATOM. at the line below.
I cant tell by the code you gave, however I suspect you want to know this:
Get returns a sequence of 2 element.
The first element is the succes/error value, the second the result value.
in = get (0)
-- Now type: "Hello, dear!"
if in[1] = GET_FAIL then
puts (1, "Whatever you typed, it didnt make sence for me!\n")
elsif in[1] = GET_EOF then
puts (1, "You typed too little, why not finish it before pressing
enter!\n")
elsif in[1] = GET_SUCCES then
puts (1, "Now, that *does* make sense!\n")
print (1, in[2])
end if
-- in[2] only contains the value whenever in[1] = GET_SUCCES which is
whenever we could make a number out of the input.
Remember that Euphoric input using print () and get () is pretty flexible.
If the user enters: { 1, 2, 3} it will return {1, 2, 3}
So be aware, the user is also allowed to define whole sequences, or use
heximal values..
There is a very nice demo program that comes with euphoria that shows
exactly how to use get () and print ().
Ralf
