add the BUILD variable to the makefiles to control the build root

[libc-test] / src / math / util.h

diff --git a/src/math/util.h b/src/math/util.h
index 875203b..9218a75 100644 (file)
--- a/src/math/util.h
+++ b/src/math/util.h
@@ -101,11 +101,9 @@ float ulperrl(long double got, long double want, float dwant);
 
 static int checkexcept(int got, int want, int r)
 {
-       // TODO: we dont checkunderflow and inexact for now
        if (r == RN)
-               return (got|INEXACT|UNDERFLOW) == (want|INEXACT|UNDERFLOW);
-//             return got == want || got == (want|INEXACT);
-       return 1;
+               return got == want || got == (want|INEXACT);
+       return (got|INEXACT|UNDERFLOW) == (want|INEXACT|UNDERFLOW);
 }
 
 static int checkulp(float d, int r)
@@ -116,3 +114,10 @@ static int checkulp(float d, int r)
        return 1;
 }
 
+static int checkcr(long double y, long double ywant, int r)
+{
+       if (isnan(ywant))
+               return isnan(y);
+       return y == ywant && signbit(y) == signbit(ywant);
+}
+