def dot(din: Queue[Tuple[Uint[8], Fixp]]):
coef_t = din.dtype.data[1]
accum_t = Fixp[coef_t.integer + 2, coef_t.width + 2]
return din \
| queuemap(f=mul) \
| accum(init=accum_t(0.0), cast=saturate) \
| qround \
| saturate(t=Uint[8])
def filter(din: Queue[Uint[8]], *, coeffs, precision=32):
accum_t = Ufixp[10, 10 + precision]
coeff = qrange(3*3) \
| flatten \
| rom(data=coeffs, dtype=Ufixp[0, precision])
return czip(din, coeff) \
| queuemap(f=mul) \
| accum(init=accum_t(0.0), cast=saturate) \
| qround \
| saturate(t=Uint[8])
def filter(pixels: Queue[Uint[8]], coef: Queue[Fixp], *, window_num):
coef_t = coef.dtype.data
accum_t = Fixp[coef_t.integer + 2, coef_t.width + 2]
window_cnt = replicate(window_num, 3 * 3)
mem_wr_data = czip(qcnt(coef, running=True, w_out=4, init=0),
coef) | flatten
coef_rd = qrange(window_cnt['data']) \
| flatten \
| sdp(wr_addr_data=mem_wr_data, depth=16)
return czip(pixels, coef_rd) \
| queuemap(f=mul) \
| accum(init=accum_t(0.0), cast=saturate) \
| qround \
| saturate(t=Uint[8])
def test_accum_trunc_directed(sim_cls):
def add(x, y):
return trunc(x + y, Uint[8])
accum_test(accum(sim_cls=sim_cls, cast=trunc), add)
def test_accum_dflt_directed(sim_cls):
def add(x, y):
return saturate(x + y, Uint[8])
accum_test(accum(sim_cls=sim_cls), add)
from pygears.lib import drv, check, accum
from pygears.typing import Queue, Uint
drv(t=Queue[Uint[4]], seq=[[0, 1, 2, 3, 4]]) \
| accum(init=Uint[8](0)) \
| check(ref=[10])
def accum_wrp(din):
return accum(din, Uint[32](2))