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Update the $random routines to allow an int, long or bit as a seed. 

Modify the $random code to allow the seed to be either an int, long or
bit that is 32 bits or longer. The 32 bit check is new and also applies
to reg/logic variables.
This commit is contained in:
Cary R 2011-09-05 17:23:22 -07:00 committed by Stephen Williams
parent dc0e66ab90
commit 746a21b437
1 changed files with 15 additions and 2 deletions
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17
vpi/sys_random.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2000-2010 Stephen Williams (steve@icarus.com)
* Copyright (c) 2000-2011 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
@ -374,9 +374,22 @@ static unsigned is_seed_obj(vpiHandle obj, vpiHandle callh, const char *name)
switch (vpi_get(vpiType, obj)) {
case vpiTimeVar:
case vpiIntegerVar:
case vpiReg:
case vpiIntVar:
case vpiLongIntVar:
rtn = 1;
break;
case vpiBitVar:
case vpiReg:
if (vpi_get(vpiSize, obj) < 32) {
vpi_printf("Error: %s:%d: ",
vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s's seed variable is less than 32 bits "
" (%d).\n", name,
(int)vpi_get(vpiSize, obj));
vpi_control(vpiFinish, 1);
} else rtn = 1;
break;
default:
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));