Adding the ability to read / write floats and doubles

1 files changed, 46 insertions, 1 deletions

diff --git a/lib/Handle.cc b/lib/Handle.cc
index 38fa11c..cd2ec16 100644
--- a/lib/Handle.cc
+++ b/lib/Handle.cc
@@ -17,7 +17,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-/* $Id: Handle.cc,v 1.84 2008-07-22 14:10:09 pixel Exp $ */
+/* $Id: Handle.cc,v 1.85 2008-08-11 16:23:52 pixel Exp $ */
 
 #include <stdio.h>
 #include <string.h>
@@ -513,6 +513,34 @@ Uint32 Handle::readU32() {
 #endif
 }
 
+float Handle::readFloat() {
+#ifdef WORDS_BIGENDIAN
+    Uint32 t;
+    read(&t, 4);
+    t = bswap_32(t);
+    return *((float *)&t);
+#else
+    float r;
+    read(&r, 4);
+    return r;
+#endif
+}
+
+double Handle::readDouble() {
+#ifdef WORDS_BIGENDIAN
+    Uint32 t[3];
+    read(t, 8);
+    t[2] = bswap_32(t[0]);
+    t[0] = bswap_32(t[1]);
+    t[1] = t[2];
+    return *((double *)t);
+#else
+    double r;
+    read(&r, 8);
+    return r;
+#endif
+}
+
 void Handle::writeU8(Uint8 v) {
     write(&v, 1);
 }
@@ -535,6 +563,23 @@ void Handle::writeU32(Uint32 v) {
 #endif
 }
 
+void Handle::writeFloat(float v) {
+#ifdef WORDS_BIGENDIAN
+    writeU32(*((Uint32 *)&v));
+#else
+    write(&v, 4);
+#endif
+}
+
+void Handle::writeDouble(double v) {
+#ifdef WORDS_BIGENDIAN
+    writeU32(*(((Uint32 *)&v) + 1));
+    writeU32(*(((Uint32 *)&v)));
+#else
+    write(&v, 8);
+#endif
+}
+
 void Handle::copyto(Handle * dest, ssize_t s) {
     copy(this, dest, s);
 }