Changeset 96197 in vbox for trunk/include

Timestamp:

Aug 14, 2022 1:04:34 AM (2 years ago)

Author:

vboxsync

Message:

IPRT/math.h: Define our own set of classification flags so we can test fpclassify[dfl] in IPRT_NOCRT_WITHOUT_MATH_CONSTANTS mode. bugref:10261

File:

• trunk/include/iprt/nocrt/math.h (modified) (2 diffs)

trunk/include/iprt/nocrt/math.h

@@ -482 +482 @@
 
 
+/** @name fpclassify return values
+ * @{  */
+#define RT_NOCRT_FP_INFINITE    0x01
+#define RT_NOCRT_FP_NAN         0x02
+#define RT_NOCRT_FP_NORMAL      0x04
+#define RT_NOCRT_FP_SUBNORMAL   0x08
+#define RT_NOCRT_FP_ZERO        0x10
+/** @} */
+
 /* bird 2022-08-03: moved this block down so we can prototype isnan & isinf without runnning into the macro forms. */
 #ifndef IPRT_NOCRT_WITHOUT_MATH_CONSTANTS /* __ISO_C_VISIBLE >= 1999*/
@@ -522 +531 @@
 
 /* Symbolic constants to classify floating point numbers. */
-# define FP_INFINITE 0x01
-# define FP_NAN      0x02
-# define FP_NORMAL   0x04
-# define FP_SUBNORMAL    0x08
-# define FP_ZERO     0x10
+# define FP_INFINITE            RT_NOCRT_FP_INFINITE
+# define FP_NAN                 RT_NOCRT_FP_NAN
+# define FP_NORMAL              RT_NOCRT_FP_NORMAL
+# define FP_SUBNORMAL           RT_NOCRT_FP_SUBNORMAL
+# define FP_ZERO                RT_NOCRT_FP_ZERO
 # define fpclassify(x) \
     ((sizeof (x) == sizeof (float)) ? RT_NOCRT(__fpclassifyf)(x) \