X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=dump-float.c;h=7f5b7c880fa385e221542aa725b915f5264fafd4;hb=825c6bde8038dcb024a25b89a3591fbc21b25d1d;hp=84e4115e1915e7e8663241f54640d382c1efb769;hpb=2618ed943daf22c2b46f6dd76b7700739c5afb84;p=pspp

diff --git a/dump-float.c b/dump-float.c
index 84e4115e19..7f5b7c880f 100644
--- a/dump-float.c
+++ b/dump-float.c
@@ -1,15 +1,33 @@
 #include <stdint.h>
 #include <stdio.h>
+#include <string.h>
+
+void
+print_double (const uint8_t *b)
+{
+  double d;
+  memcpy (&d, b, 8);
+  printf ("%f\n", d);
+}
+
+void
+print_float (const uint8_t *b)
+{
+  float d;
+  memcpy (&d, b, 4);
+  printf ("%f\n", d);
+}
 
 int
 main (void)
 {
-  union
-    {
-      uint8_t b[8];
-      double d;
-    }
-  x = { .b = { 0x18, 0x00, 0x00, 0x1c, 0xf0, 0xff, 0xff, 0x5f } };
-  printf ("%f\n", x.d);
+  uint8_t b[] = { 0, 0, 0, 0, 0, 0, 8, 0x40 };
+  int n = sizeof b;
+  for (int i = 0; i <= n - 8; i++)
+    print_double (b + i);
+/*
+  for (int i = 0; i <= n - 4; i++)
+    print_float (b + i);
+*/
   return 0;
 }