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fpga: sim: Fix cast in PkgRandom

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This commit is contained in:
Wade Fife 2024-05-13 18:24:51 -05:00
parent c7a4d066f0
commit 3482a3c67d
1 changed files with 3 additions and 3 deletions
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6
fpga/usrp3/sim/packages/PkgRandom.sv
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@ -115,16 +115,16 @@ package PkgRandom;
a = b;
b = temp;
end
num_bits = $clog2(b - a + unsigned_t'{1});
num_bits = $clog2(b - a + (WIDTH+1)'(1));
do begin
num = a + (rand_bit() & ((unsigned_t'{1} << num_bits) - 1));
num = a + (rand_bit() & (((WIDTH+1)'(1) << num_bits) - 1));
end while (num > b);
return num;
endfunction : rand_bit_range
// Returns a random number in the given SIGNED range. Behavior is the same
// as rand_bit_range(), bunsigned_t treats the range values as SIGNED numbers.
// as rand_bit_range(), but treats the range values as SIGNED numbers.
static function signed_t rand_sbit_range(
signed_t a = {1'b0, {WIDTH{1'b1}}},
signed_t b = 0