add fp64 mul unit test

[ieee754fpu.git] / src / ieee754 / fpcommon / test / unit_test_double.py

diff --git a/src/ieee754/fpcommon/test/unit_test_double.py b/src/ieee754/fpcommon/test/unit_test_double.py
index 56cb80189f34a2981d1460182dea3f42e70db3c1..2714273ec19cf5e16c0c8fa0b32324cb5ff3fa68 100644 (file)
--- a/src/ieee754/fpcommon/test/unit_test_double.py
+++ b/src/ieee754/fpcommon/test/unit_test_double.py
@@ -13,7 +13,7 @@ def get_exponent(x):
     return ((x & 0x7ff0000000000000) >> 52) - 1023
 
 def set_exponent(x, e):
-    return (x & ~0x7ff0000000000000) | ((e+1023) << 23)
+    return (x & ~0x7ff0000000000000) | ((e+1023) << 52)
 
 def get_sign(x):
     return ((x & 0x8000000000000000) >> 63)