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authorTaru Karttunen <taruti@taruti.net>2011-03-30 15:46:40 +0300
committerTaru Karttunen <taruti@taruti.net>2011-03-30 15:46:40 +0300
commite5888a1ffdae813d7575f5fb02275c6bb07e5199 (patch)
treed8d51eac403f07814b9e936eed0c9a79195e2450 /sys/src/libmp/port/mpveccmp.c
Import sources from 2011-03-30 iso image
Diffstat (limited to 'sys/src/libmp/port/mpveccmp.c')
-rwxr-xr-xsys/src/libmp/port/mpveccmp.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/sys/src/libmp/port/mpveccmp.c b/sys/src/libmp/port/mpveccmp.c
new file mode 100755
index 000000000..a462b1bd7
--- /dev/null
+++ b/sys/src/libmp/port/mpveccmp.c
@@ -0,0 +1,27 @@
+#include "os.h"
+#include <mp.h>
+#include "dat.h"
+
+int
+mpveccmp(mpdigit *a, int alen, mpdigit *b, int blen)
+{
+ mpdigit x;
+
+ while(alen > blen)
+ if(a[--alen] != 0)
+ return 1;
+ while(blen > alen)
+ if(b[--blen] != 0)
+ return -1;
+ while(alen > 0){
+ --alen;
+ x = a[alen] - b[alen];
+ if(x == 0)
+ continue;
+ if(x > a[alen])
+ return -1;
+ else
+ return 1;
+ }
+ return 0;
+}