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`include "discipline.h"
module myanalogfunction (p,q);
electrical p,q;
real a,b;
analog function real myfunction;
input x;
real x;
begin
if(x<0.2)
myfunction = abs(x);
else if(x<0.6)
myfunction = cos(2*x);
else
myfunction = sin(2*x);
end
endfunction
analog function real norm;
input x, y, index;
real x, y;
integer index;
begin
case(index)
0: norm = max(abs(x),abs(y));
1: norm = abs(x)+abs(y);
2: norm = sqrt(pow(x,2)+pow(y,2));
default: $strobe("Warning: norm does not exist");
endcase
end
endfunction
`define VEXLIM 200.0
analog function real expLin;
input x;
real x;
real expl;
begin
if (x < `VEXLIM)
expLin = exp(x);
else begin
expl = exp(`VEXLIM);
expLin = expl * (1.0 + (x - `VEXLIM));
end
end
endfunction
analog function real linLog;
input x;
real x;
real vlim;
begin
vlim=10.0;
if (x < vlim)
linLog = x;
else
linLog = vlim + ln(1.0 + (x - vlim));
end
endfunction
analog
begin
case (a)
1,2: begin a=1; b=0; end
3,4: begin a=2; b=0; end
5,6: begin a=3; b=0; end
default : begin a=1234; b=5678; end
endcase
end
endmodule
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