[LLVMbugs] [Bug 20083] New: real / complex wrong

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=20083

            Bug ID: 20083
           Summary: real / complex wrong
           Product: clang
           Version: 3.3
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: tydeman at tybor.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Dividing a real by a complex gets the wrong answer.  C99 and C11 both require
that the default for limited range for complex divide is OFF (meaning, the full
exponent range must be allowed for).

float f;
float complex fc;
 fc = f = FLT_MIN;  /* or FLT_MAX */
 fc = f / fc;       /* produces wrong answer; should be 1.f+0.F*I; not NAN */

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