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fix error handling with nan (obs from Jose Santos).

This commit is contained in:
Vitor Santos Costa 2010-04-16 10:32:36 +01:00
parent 052c20a29b
commit 463ab07f3c
1 changed files with 12 additions and 0 deletions
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12
C/cmppreds.c
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@ -563,6 +563,9 @@ a_cmp(Term t1, Term t2)
Float f2 = FloatOfTerm(t2);
#if HAVE_ISNAN
if (isnan(f2)) {
Yap_Error_TYPE = EVALUATION_ERROR_UNDEFINED;
Yap_Error_Term = t2;
Yap_ErrorMessage = "trying to evaluate nan";
ArithError = TRUE;
}
#endif
@ -579,6 +582,9 @@ a_cmp(Term t1, Term t2)
Float f1 = FloatOfTerm(t1);
#if HAVE_ISNAN
if (isnan(f1)) {
Yap_Error_TYPE = EVALUATION_ERROR_UNDEFINED;
Yap_Error_Term = t1;
Yap_ErrorMessage = "trying to evaluate nan";
ArithError = TRUE;
}
#endif
@ -595,6 +601,9 @@ a_cmp(Term t1, Term t2)
Float f2 = FloatOfTerm(t2);
#if HAVE_ISNAN
if (isnan(f2)) {
Yap_Error_TYPE = EVALUATION_ERROR_UNDEFINED;
Yap_Error_Term = t2;
Yap_ErrorMessage = "trying to evaluate nan";
ArithError = TRUE;
}
#endif
@ -620,6 +629,9 @@ a_cmp(Term t1, Term t2)
Float f2 = FloatOfTerm(t2);
#if HAVE_ISNAN
if (isnan(f2)) {
Yap_Error_TYPE = EVALUATION_ERROR_UNDEFINED;
Yap_Error_Term = t2;
Yap_ErrorMessage = "trying to evaluate nan";
ArithError = TRUE;
}
#endif