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-rw-r--r--tests/float/float_parse.py22
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/float/float_parse.py b/tests/float/float_parse.py
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+# test parsing of floats
+
+inf = float('inf')
+
+# it shouldn't matter where the decimal point is if the exponent balances the value
+print(float('1234') - float('0.1234e4'))
+print(float('1.015625') - float('1015625e-6'))
+
+# very large integer part with a very negative exponent should cancel out
+print(float('9' * 60 + 'e-60'))
+print(float('9' * 60 + 'e-40'))
+print(float('9' * 60 + 'e-20') == float('1e40'))
+
+# many fractional digits
+print(float('.' + '9' * 70))
+print(float('.' + '9' * 70 + 'e20'))
+print(float('.' + '9' * 70 + 'e-50') == float('1e-50'))
+
+# tiny fraction with large exponent
+print(float('.' + '0' * 60 + '1e10') == float('1e-51'))
+print(float('.' + '0' * 60 + '9e25'))
+print(float('.' + '0' * 60 + '9e40'))