URL https://opencores.org/ocsvn/dmt_tx/dmt_tx/trunk

Subversion Repositories dmt_tx

[/] [dmt_tx/] [trunk/] [myhdl/] [test/] [test_cmath.py] - Diff between revs 31 and 32

Rev 31	Rev 32
Line 158...	Line 158...

`def bench():`	`def bench():`
`width = 4`	`width = 4`
`owidth = width`	`owidth = width`

`umax = 2**width -1`	`smax = 2**(width-1) # Python oddnes; max value not include`
`smax = 2**(width-1)-1`
`smin = -2**(width-1)`	`smin = -2**(width-1)`
`#print 'cmult in value range: ', smin, smax`	`#print 'cmult in value range: ', smin, smax-1`

`osmax = 2**(owidth-1)-1`	`osmax = 2**(owidth-1)`
`osmin = -2**(owidth-1)`	`osmin = -2**(owidth-1)`
`#print 'cmult out value range: ', osmin, osmax`	`#print 'cmult out value range: ', osmin, osmax-1`

`a_re, a_im, b_re, b_im = [Signal(intbv(0, min=smin, max=smax)) \`	`a_re, a_im, b_re, b_im = [Signal(intbv(0, min=smin, max=smax)) \`
`for i in range(4)]`	`for i in range(4)]`
`y_re, y_im = [Signal(intbv(0, min=osmin, max=osmax)) \`	`y_re, y_im = [Signal(intbv(0, min=osmin, max=osmax)) \`
`for i in range(2)]`	`for i in range(2)]`
`overflow = Signal(bool(0))`	`overflow = Signal(bool(0))`

`cmult_inst = cmult(a_re, a_im, b_re, b_im, y_re, y_im, overflow)`	`cmult_inst = cmult(a_re, a_im, b_re, b_im, y_re, y_im, overflow)`

	`#print 'input length: ', len(a_re)`

`@instance`	`@instance`
`def stimulus():`	`def stimulus():`
`a_re.next = 0`	`a_re.next = 0`
`a_im.next = 0`	`a_im.next = 0`