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-rw-r--r--gst-libs/gst/floatcast/floatcast.h57
1 files changed, 33 insertions, 24 deletions
diff --git a/gst-libs/gst/floatcast/floatcast.h b/gst-libs/gst/floatcast/floatcast.h
index 2951a810..ae87a43f 100644
--- a/gst-libs/gst/floatcast/floatcast.h
+++ b/gst-libs/gst/floatcast/floatcast.h
@@ -29,46 +29,53 @@
#include <glib/gtypes.h>
G_BEGIN_DECLS
+
#if (HAVE_LRINT && HAVE_LRINTF)
- /* These defines enable functionality introduced with the 1999 ISO C
- ** standard. They must be defined before the inclusion of math.h to
- ** engage them. If optimisation is enabled, these functions will be
- ** inlined. With optimisation switched off, you have to link in the
- ** maths library using -lm.
- */
-#define _ISOC9X_SOURCE 1
-#define _ISOC99_SOURCE 1
-#define __USE_ISOC9X 1
-#define __USE_ISOC99 1
-#include <math.h>
-#define gst_cast_float(x) ((gint)lrintf(x))
-#define gst_cast_double(x) ((gint)lrint(x))
+
+ /* These defines enable functionality introduced with the 1999 ISO C
+ ** standard. They must be defined before the inclusion of math.h to
+ ** engage them. If optimisation is enabled, these functions will be
+ ** inlined. With optimisation switched off, you have to link in the
+ ** maths library using -lm.
+ */
+
+ #define _ISOC9X_SOURCE 1
+ #define _ISOC99_SOURCE 1
+
+ #define __USE_ISOC9X 1
+ #define __USE_ISOC99 1
+
+ #include <math.h>
+
+ #define gst_cast_float(x) ((gint)lrintf(x))
+ #define gst_cast_double(x) ((gint)lrint(x))
+
#else
- /* use a standard c cast, but do rounding correctly */
-#define gst_cast_float(x) ((gint)floor((x)+0.5))
-#define gst_cast_double(x) ((gint)floor((x)+0.5))
+ /* use a standard c cast, but do rounding correctly */
+ #define gst_cast_float(x) ((gint)floor((x)+0.5))
+ #define gst_cast_double(x) ((gint)floor((x)+0.5))
+
#endif
+
inline static gfloat
-GFLOAT_SWAP_LE_BE (gfloat in)
+GFLOAT_SWAP_LE_BE(gfloat in)
{
gint32 swap;
gfloat out;
-
- memcpy (&swap, &in, 4);
+ memcpy(&swap, &in, 4);
swap = GUINT32_SWAP_LE_BE_CONSTANT (swap);
- memcpy (&out, &swap, 4);
+ memcpy(&out, &swap, 4);
return out;
}
inline static gdouble
-GDOUBLE_SWAP_LE_BE (gdouble in)
+GDOUBLE_SWAP_LE_BE(gdouble in)
{
gint64 swap;
gdouble out;
-
- memcpy (&swap, &in, 8);
+ memcpy(&swap, &in, 8);
swap = GUINT64_SWAP_LE_BE_CONSTANT (swap);
- memcpy (&out, &swap, 8);
+ memcpy(&out, &swap, 8);
return out;
}
@@ -94,4 +101,6 @@ GDOUBLE_SWAP_LE_BE (gdouble in)
#define GDOUBLE_FROM_BE(val) (GDOUBLE_TO_BE (val))
G_END_DECLS
+
#endif /* __FLOATCAST_H__ */
+