add hg and python

1 files changed, 23 insertions, 0 deletions

diff --git a/sys/src/cmd/python/Python/hypot.c b/sys/src/cmd/python/Python/hypot.c
new file mode 100644
index 000000000..755d0c31c
--- /dev/null
+++ b/sys/src/cmd/python/Python/hypot.c
@@ -0,0 +1,23 @@
+/* hypot() replacement */
+
+#include "pyconfig.h"
+#include "pyport.h"
+
+double hypot(double x, double y)
+{
+	double yx;
+
+	x = fabs(x);
+	y = fabs(y);
+	if (x < y) {
+		double temp = x;
+		x = y;
+		y = temp;
+	}
+	if (x == 0.)
+		return 0.;
+	else {
+		yx = y/x;
+		return x*sqrt(1.+yx*yx);
+	}
+}