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[mypyc] Implement str-to-float primitive #9685

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Merged
TH3CHARLie merged 5 commits into from
Nov 2, 2020
Merged

[mypyc] Implement str-to-float primitive #9685

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b663b43
str-to-float primitive
TH3CHARLie Nov 1, 2020
d11eb12
add testcase
TH3CHARLie Nov 2, 2020
c74b292
try fix
TH3CHARLie Nov 2, 2020
d0a2a60
try fix
TH3CHARLie Nov 2, 2020
6ca0a07
use assert instead
TH3CHARLie Nov 2, 2020
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17 changes: 17 additions & 0 deletions mypyc/primitives/float_ops.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
"""Primitive float ops."""

from mypyc.ir.ops import ERR_MAGIC
from mypyc.ir.rtypes import (
str_rprimitive, float_rprimitive
)
from mypyc.primitives.registry import (
c_function_op
)

# float(str)
c_function_op(
name='builtins.float',
arg_types=[str_rprimitive],
return_type=float_rprimitive,
c_function_name='PyFloat_FromString',
error_kind=ERR_MAGIC)
1 change: 1 addition & 0 deletions mypyc/primitives/registry.py
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Expand Up @@ -345,3 +345,4 @@ def load_address_op(name: str,
import mypyc.primitives.dict_ops # noqa
import mypyc.primitives.tuple_ops # noqa
import mypyc.primitives.misc_ops # noqa
import mypyc.primitives.float_ops # noqa
12 changes: 12 additions & 0 deletions mypyc/test-data/run-floats.test
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@@ -0,0 +1,12 @@
[case testStrToFloat]
def str_to_float(x: str) -> float:
return float(x)

[file driver.py]
from native import str_to_float

assert str_to_float("1") == 1.0
assert str_to_float("1.234567") == 1.234567
assert str_to_float("44324") == 44324.0
assert str_to_float("23.4") == 23.4
assert str_to_float("-43.44e-4") == -43.44e-4
1 change: 1 addition & 0 deletions mypyc/test/test_run.py
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Expand Up @@ -33,6 +33,7 @@
'run-misc.test',
'run-functions.test',
'run-integers.test',
'run-floats.test',
'run-bools.test',
'run-strings.test',
'run-tuples.test',
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