C-Kurs/ieee754/Musterlösung - Versionsgeschichte

PaulG: verschob „Ckurs/ieee754/Musterlösung“ nach „C-Kurs/ieee754/Musterlösung“

2013-03-05T17:37:18Z

verschob „Ckurs/ieee754/Musterlösung“ nach „C-Kurs/ieee754/Musterlösung“

Nighoo: bugfix, lösung war nicht richtig

2012-09-14T17:00:04Z

bugfix, lösung war nicht richtig

Nighoo: lösung statt vorgabe

2012-09-14T16:56:04Z

lösung statt vorgabe

Nighoo: pdf -> wiki

2012-09-14T16:54:58Z

pdf -> wiki

Neue Seite

<pre>
/*
** Copyright (C) Sebastian Pipping <sebastian@pipping.org> and Katrin Lang <mail@katrinlang.de>
** Licensed under GPL v3 or later
**
** 2011-08-13 20:06 UTC+2
*/

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>

static void dump_header() {
printf("Index 31 24 16 8 0\n");
printf(" |");
signed int bit_index = sizeof(int) * 8 - 2;
for (; bit_index >= 0; bit_index--) {
putchar(bit_index % 8 ? '.' : '|');
}
putchar('\n');
}

int main(int argc, char ** argv) {
assert(sizeof(unsigned int) == sizeof(float));

dump_header();
for (int i= 1; i<argc; i++){
argv++;
dump_bits(strtof(*argv, 0));
}
dump_header();

return 0;
}
</pre>

@@ Zeile 27: / Zeile 27: @@
-static void
+static void dump_bits(float f) {
          uint_float_t store;
          store.f = f;
          printf("Data   ");
-	signed int bit_index = sizeof(int) * 8 - 1;
+        signed int bit_index = sizeof(int) * 8 - 1;
          for (; bit_index >= 0; bit_index--) {
-                 const unsigned int mask = (unsigned int)1 << (bit_index - 1);
+                 const unsigned int mask = (unsigned int)1 << (bit_index);
                  putchar((store.u & mask) ? '1' : '0');
+         }
@@ Zeile 45: / Zeile 44: @@
          dump_header();
-	for (int i= 1; i<argc; i++){
+        for (int i= 1; i<argc; i++){
-	  argv++;
+          argv++;
-	  dump_bits(strtof(*argv, 0));
+          dump_bits(strtof(*argv, 0));
-−
+        }
          dump_header();

← Nächstältere Version	Version vom 5. März 2013, 17:37 Uhr
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@@ Zeile 10: / Zeile 10: @@
 #include <stdio.h>
 #include <stdlib.h>
 static void dump_header() {
@@ Zeile 20: / Zeile 25: @@
    putchar('\n');
+}
 int main(int argc, char ** argv) {