Init sources

1 files changed, 32 insertions, 0 deletions

diff --git a/src/libc/math.c b/src/libc/math.c
new file mode 100644
index 0000000..80b1d3a
--- /dev/null
+++ b/src/libc/math.c
@@ -0,0 +1,32 @@
+#include "math.h"
+
+int pow(int x,int n){
+    if(n<0)
+        return -1;
+    else if(n==0)
+        return 1;
+    else if(n==1)
+        return x;
+    int ret=x;
+    for(int i=0;i<(n-1);i++)
+        ret*=x;
+    return ret;
+}
+
+int max(int x,int y){
+    if(x>y)
+        return x;
+    return y;
+}
+
+int min(int x,int y){
+    if(x<y)
+        return x;
+    return y;
+}
+
+int abs(int x){
+    if(x<0)
+        return -x;
+    return x;
+}
\ No newline at end of file