nac3/nac3standalone/demo/src/numeric_primitives.py

184 lines
3.6 KiB
Python

@extern
def output_bool(x: bool):
...
@extern
def output_int32(x: int32):
...
@extern
def output_int64(x: int64):
...
@extern
def output_uint32(x: uint32):
...
@extern
def output_uint64(x: uint64):
...
@extern
def output_float64(x: float):
...
def u32_min() -> uint32:
return uint32(0)
def u32_max() -> uint32:
return ~uint32(0)
def i32_min() -> int32:
return int32(1 << 31)
def i32_max() -> int32:
return int32(~(1 << 31))
def u64_min() -> uint64:
return uint64(0)
def u64_max() -> uint64:
return ~uint64(0)
def i64_min() -> int64:
return int64(1) << 63
def i64_max() -> int64:
return ~(int64(1) << 63)
def test_u32_bnot():
output_uint32(~uint32(0))
def test_u64_bnot():
output_uint64(~uint64(0))
def test_conv_from_i32():
for x in [
i32_min(),
i32_min() + 1,
-1,
0,
1,
i32_max() - 1,
i32_max()
]:
output_int64(int64(x))
output_uint32(uint32(x))
output_uint64(uint64(x))
output_float64(float(x))
def test_conv_from_u32():
for x in [
u32_min(),
u32_min() + uint32(1),
u32_max() - uint32(1),
u32_max()
]:
output_uint64(uint64(x))
output_int32(int32(x))
output_int64(int64(x))
output_float64(float(x))
def test_conv_from_i64():
for x in [
i64_min(),
i64_min() + int64(1),
int64(-1),
int64(0),
int64(1),
i64_max() - int64(1),
i64_max()
]:
output_int32(int32(x))
output_uint64(uint64(x))
output_uint32(uint32(x))
output_float64(float(x))
def test_conv_from_u64():
for x in [
u64_min(),
u64_min() + uint64(1),
u64_max() - uint64(1),
u64_max()
]:
output_uint32(uint32(x))
output_int64(int64(x))
output_int32(int32(x))
output_float64(float(x))
def test_f64toi32():
for x in [
float(i32_min()) - 1.0,
float(i32_min()),
float(i32_min()) + 1.0,
-1.5,
-0.5,
0.5,
1.5,
float(i32_max()) - 1.0,
float(i32_max()),
float(i32_max()) + 1.0
]:
output_int32(int32(x))
def test_f64toi64():
for x in [
float(i64_min()),
float(i64_min()) + 1.0,
-1.5,
-0.5,
0.5,
1.5,
# 2^53 is the highest integral power-of-two of which uint64 and float have a one-to-one correspondence
float(uint64(2) ** uint64(52)) - 1.0,
float(uint64(2) ** uint64(52)),
float(uint64(2) ** uint64(52)) + 1.0,
]:
output_int64(int64(x))
def test_f64tou32():
for x in [
-1.5,
float(u32_min()) - 1.0,
-0.5,
float(u32_min()),
0.5,
float(u32_min()) + 1.0,
1.5,
float(u32_max()) - 1.0,
float(u32_max()),
float(u32_max()) + 1.0
]:
output_uint32(uint32(x))
def test_f64tou64():
for x in [
-1.5,
float(u64_min()) - 1.0,
-0.5,
float(u64_min()),
0.5,
float(u64_min()) + 1.0,
1.5,
# 2^53 is the highest integral power-of-two of which uint64 and float have a one-to-one correspondence
float(uint64(2) ** uint64(52)) - 1.0,
float(uint64(2) ** uint64(52)),
float(uint64(2) ** uint64(52)) + 1.0,
]:
output_uint64(uint64(x))
def run() -> int32:
test_u32_bnot()
test_u64_bnot()
test_conv_from_i32()
test_conv_from_u32()
test_conv_from_i64()
test_conv_from_u64()
test_f64toi32()
test_f64toi64()
test_f64tou32()
test_f64tou64()
return 0