Opened 6 years ago
Closed 6 years ago
#12198 closed Bugs (fixed)
cpp_bin_float addition/subtraction produces wrong result when the difference of exponents of arguments overflows
| Reported by: | Michael Shatz | Owned by: | John Maddock |
|---|---|---|---|
| Milestone: | To Be Determined | Component: | multiprecision |
| Version: | Boost 1.61.0 | Severity: | Problem |
| Keywords: | Cc: |
Description
If the difference of exponents of two cpp_bin_float does not fit in specified exponent_type then addition and subtraction operations return the operand with smaller exponent instead of operand with bigger exponent.
Platform: Mingw, gcc 5.3.0, x64. All optimization levels. Library version: both 1.60.0 and the newest files from github
Attachments (1)
Change History (2)
by , 6 years ago
| Attachment: | add_test.cpp added |
|---|
comment:1 by , 6 years ago
| Resolution: | → fixed |
|---|---|
| Status: | new → closed |
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demonstrates cpp_bin_float addition bug