# Copyright 2018 IBM Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
""":mod:`microprobe.utils.ieee` module
"""
# Futures
from __future__ import absolute_import
# Built-in modules
import struct
# Third party modules
import six
# Own modules
from microprobe.utils.logger import get_logger
# Constants
LOG = get_logger(__name__)
__all__ = ["ieee_float_to_int64"]
# Functions
[docs]def ieee_float_to_int64(float_val):
"""convert float to binary string
:param f:
"""
binary = struct.pack('>d', float_val)
if six.PY2:
string = ''.join('{0:08b}'.format(ord(b)) for b in binary)
elif six.PY3:
string = ''.join('{0:08b}'.format(b) for b in binary)
# strip off leading zeros
for idx, char in enumerate(string):
if char != '0':
break
else: # all zeros
string = '0'
idx = 0
return int(string[idx:], 2)
# Classes