From c24973af02bc33f2f5f25d37e22ca91da5de3c47 Mon Sep 17 00:00:00 2001
From: sinanmohd <pcmsinan@gmail.com>
Date: Sat, 4 Jun 2022 12:11:15 +0530
Subject: inital commit

---
 2.6.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 2.6.c

(limited to '2.6.c')

diff --git a/2.6.c b/2.6.c
new file mode 100644
index 0000000..23ce1e6
--- /dev/null
+++ b/2.6.c
@@ -0,0 +1,47 @@
+#include <stdio.h>
+
+#define INT_NBITS 32
+
+unsigned getbits(unsigned x, int from, int to);
+void pbits(int x);
+unsigned setbits(unsigned x, int from, int to, int source);
+
+int 
+main(void)
+{
+  int x = 423834583;
+  int y = 354543434;
+
+  pbits(x);
+  pbits(y);
+
+  pbits(setbits(x, 12, 5, y));
+  
+  return 0;
+}
+
+unsigned 
+getbits(unsigned x, int from, int to)
+{
+  return (x >> (from+1-to)) & ~(~(unsigned)0 << to);
+}
+
+void 
+pbits(int x)
+{
+  for (int i = INT_NBITS-1; i >= 0; i--) {
+    if (i%4 == 3)
+      printf(" ");
+
+    printf("%u", getbits(x, i, 1));
+  }
+
+  printf("\n");
+}
+
+unsigned 
+setbits(unsigned x, int from, int to, int source)
+{
+  int model = ((((unsigned)~0 << (INT_NBITS-from)) >> (INT_NBITS - (from+to))) << to);
+  return (x & ~model) | (source & model);
+}
-- 
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