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test_continue.py
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test_continue.py
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import taichi as ti
n = 1000
@ti.all_archs
def test_for_continue():
x = ti.field(ti.i32, shape=n)
@ti.kernel
def run():
# Launch just one thread
for _ in range(1):
for j in range(n):
if j % 2 == 0:
continue
x[j] = j
run()
xs = x.to_numpy()
for i in range(n):
expect = 0 if i % 2 == 0 else i
assert xs[i] == expect
@ti.all_archs
def test_while_continue():
x = ti.field(ti.i32, shape=n)
@ti.kernel
def run():
# Launch just one thread
for _ in range(1):
j = 0
while j < n:
oj = j
j += 1
if oj % 2 == 0:
continue
x[oj] = oj
run()
xs = x.to_numpy()
for i in range(n):
expect = 0 if i % 2 == 0 else i
assert xs[i] == expect
@ti.all_archs
def test_kernel_continue():
x = ti.field(ti.i32, shape=n)
@ti.kernel
def run():
for i in range(n):
if i % 2 == 0:
# At kernel level, this is the same as return
continue
x[i] = i
run()
xs = x.to_numpy()
for i in range(n):
expect = 0 if i % 2 == 0 else i
assert xs[i] == expect
@ti.all_archs
def test_unconditional_continue():
x = ti.field(ti.i32, shape=n)
@ti.kernel
def run():
# Launch just one thread
for _ in range(1):
for j in range(n):
continue
# pylint: disable=unreachable
x[j] = j
run()
xs = x.to_numpy()
for i in range(n):
assert xs[i] == 0
@ti.all_archs
def test_kernel_continue_in_nested_if():
x = ti.field(ti.i32, shape=n)
@ti.kernel
def run(a: ti.i32):
for i in range(1):
if a:
if a:
continue
if a:
if a:
continue
x[i] = i
x[0] = 1
run(1)
assert x[0] == 1
run(0)
assert x[0] == 0
@ti.all_archs
def test_kernel_continue_in_nested_if_2():
x = ti.field(ti.i32, shape=n)
@ti.kernel
def run(a: ti.i32):
for i in range(1):
if a:
if a:
continue
if a:
continue
x[i] = i
x[0] = 1
run(1)
assert x[0] == 1
run(0)
assert x[0] == 0
@ti.all_archs
def test_kernel_continue_in_nested_if_3():
x = ti.field(ti.i32, shape=n)
@ti.kernel
def run(a: ti.i32):
for i in range(1):
if a:
continue
if a:
if a:
continue
x[i] = i
x[0] = 1
run(1)
assert x[0] == 1
run(0)
assert x[0] == 0