Hi all, In my package declared below and performing rational division operation,once i ran on GHDL VHDL simulator gave an error "no function declarations for operator "/"" variable w,x : integer; variable num : real; begin w := numerator(a); x := denominator(a); num :=(a(numer))/(a(denom)); Thanks in advance Regards Raghavendra

I cannot understand your code... Forrealoperations: did you include the ieee.math_real.all?

Thanks .i attached my source code.actually its package ...

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> i attached my source code.
Thats not the complete code. At least the libraries are missing...
And this seems to be wrong:
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type rational is array (natural range numer to denom) of integer; -- range -16384 to 16383; |

Usually the range of an integer is -2^31 to 2^31-1

constant numer : INTEGER := 0; -- numerator constant denom : INTEGER := 1; -- denominator type rational is array (natural range numer to denom) of integer; |

Why do you not use a record? That would be the ideal solution for your fractional number:

type Rational is record numer : integer; denom : integer; end record Rational ; -- use it that way: signal a,b: work.ratpack_extras_rational_real.Rational; a.numer <= 123; a.denom <= 12; b <= a; |

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> Thats not the complete code.
actually its a complete package.
i will try whatever you suggested,whats the problem in my code.
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> no function declarations for operator "/"
There is no definition for a integer division resulting in a float
value. Try this
num := real(a(numer))/real(a(denom));
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Thanks Lothar Miller..
> num := real(a(numer))/real(a(denom));
above statment working fine.
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