Initial revision

lang/cem/libcc.ansi/math/log10.c

@@ -0,0 +1,22 @@
+/*
+ * (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
+ * See the copyright notice in the ACK home directory, in the file "Copyright".
+ *
+ * Author: Ceriel J.H. Jacobs
+ */
+/* $Header$ */
+
+#include	<errno.h>
+#include	<math.h>
+#include	"localmath.h"
+
+double
+log10(double x)
+{
+	if (x <= 0) {
+		errno = EDOM;
+		return 0;
+	}
+
+	return log(x) / M_LN10;
+}