problem about simulation, problem about simulation in example fir51 Options

[ureyhu]

Dear Administrator:
I don't have the lisence to generate the testbench by CoValidator. So I ' m have to do it by hand .
In the example Fir51 , when I finished synthsis in QuartusII9.1 (OK), I tried to simulate the file created by ImpulseC.
Some errors occurred when compile in Modelsim. As it showed below.
"
# -- Compiling package external_components
# ** Error: (vcom-25) Invalid ModelSim library "C:\Modeltech_6.2b\win32/../impulse". No _info file found.
# No such file or directory. (errno = ENOENT)
# ** Error: E:/altera/91/quartus/sqrt_c2h/Fir51_comp.vhd(24): Library impulse not found.
# ** Error: E:/altera/91/quartus/sqrt_c2h/Fir51_comp.vhd(25): (vcom-1136) Unknown identifier "impulse".
# ** Error: E:/altera/91/quartus/sqrt_c2h/Fir51_comp.vhd(27): VHDL Compiler exiting
# ** Error: C:/Modeltech_6.2b/win32/vcom failed.
"
It seems the that the impulse lib is missing while simulate in modelsim. But I had already added all the essential parts into the project ,such as "cregister.vhd stream.vhd ... " .
I'm using CoDeveloper 3.50.b.3.

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When I decide to simulate the file without QuartusII , I set up a project including all the file. I have not built a impulse library . I change the sentences "library impulse ; using impulse.all " to "library work ; using work.all " . But it doesn't work either. The errors I met is listed below.
"
** Error: C:/Modeltech_6.2b/examples/fir51_c2h/Fir51_comp.vhd(2587): (vcom-1136) Unknown identifier "eq".
** Error: C:/Modeltech_6.2b/examples/fir51_c2h/Fir51_comp.vhd(2587): Type error resolving infix expression "&" as type ieee.std_logic_1164.std_ulogic_vector.
** Error: C:/Modeltech_6.2b/examples/fir51_c2h/Fir51_comp.vhd(2597): (vcom-1136) Unknown identifier "mul2_s".
** Error: C:/Modeltech_6.2b/examples/fir51_c2h/Fir51_comp.vhd(2599): (vcom-1136) Unknown identifier "add".
** Error: C:/Modeltech_6.2b/examples/fir51_c2h/Fir51_comp.vhd(2749): (vcom-1136) Unknown identifier "mul2_s".
"
Is there a smart way to simulate ? Any suggestion is welcome.
Thank you very very much for your patience.