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-rw-r--r--libm/w_exp2.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/libm/w_exp2.c b/libm/w_exp2.c
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+
+/* @(#)w_exp2.c 5.1 93/09/24 */
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+libm_hidden_proto(exp2)
+#ifdef __STDC__
+ double exp2(double x)
+#else
+ double exp2(x)
+ double x;
+#endif
+{
+ return pow(2.0, x);
+}
+libm_hidden_def(exp2)