1 files changed, 14 insertions, 0 deletions
diff --git a/test/dtypes.c b/test/dtypes.c
index 99731ae..fa946c5 100644
--- a/test/dtypes.c
+++ b/test/dtypes.c
@@ -4530,6 +4530,20 @@ test_conv_int_float(const char *name, hid_t src, hid_t dst)
             } /* end if */
 #endif /* end H5_ULONG_FP_BOTTOM_BIT_WORKS */
 
+/* For PGI compiler on Linux, during conversion from 'float' or 'double' to 
+ * 'unsigned long long', round-up happens when the fraction of float-point 
+ * value is greater than 0.5. So we allow the converted value to be off by 1.
+ */
+#ifndef H5_FP_TO_ULLONG_BOTTOM_BIT_WORKS
+            if((src_type==FLT_FLOAT || src_type==FLT_DOUBLE) && dst_type==INT_ULLONG) {
+                unsigned long_long tmp_s, tmp_h;
+                HDmemcpy(&tmp_s,&buf[j*dst_size],sizeof(unsigned long_long));
+                HDmemcpy(&tmp_h,&hw[0],sizeof(unsigned long_long));
+                if((tmp_s+1)==tmp_h)
+                    continue; /*no error*/
+            }
+#endif /*end H5_FP_TO_ULLONG_BOTTOM_BIT_WORKS*/
+
 	    /* Print errors */
 	    if (0==fails_this_test++)
                 H5_FAILED();