mirror of https://github.com/python/cpython
test_math ulp computation was wrong on big-endian systems
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@ -43,7 +43,7 @@ def to_ulps(x):
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where C doubles are represented in IEEE 754 binary64 format.
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"""
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n = struct.unpack('q', struct.pack('<d', x))[0]
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n = struct.unpack('<q', struct.pack('<d', x))[0]
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if n < 0:
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n = ~(n+2**63)
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return n
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