Changeset 156 for libmpc/branches/r2d/include/mpc/mpcmath.h

Timestamp:

12/09/06 22:45:39 (17 years ago)

Author:

r2d

Message:

• removed slow builtin_ functions

File:

• libmpc/branches/r2d/include/mpc/mpcmath.h (modified) (2 diffs)

libmpc/branches/r2d/include/mpc/mpcmath.h

@@ -17 +17 @@
  */
 
+#include <mpc/mpc_types.h>
 
 #ifndef M_PI
@@ -58 +59 @@
 #define ATAN2F(x,y)  ATAN2 (x,y)
 #define IFLOORF(x)   IFLOOR (x)
+
+typedef union mpc_floatint
+{
+        float   f;
+        mpc_int32_t n;
+} mpc_floatint;
+
+static mpc_inline mpc_int32_t mpc_lrintf(float fVal)
+{
+        mpc_floatint tmp;
+        tmp.f = fVal  + 0x00FF8000;
+        return tmp.n - 0x4B7F8000;
+}
+
+static mpc_inline float mpc_nearbyintf(float fVal)
+{
+        return (float) mpc_lrintf(fVal);
+}
+