1 files changed, 58 insertions, 0 deletions
diff --git a/usr/src/lib/libm/common/complex/cprojf.c b/usr/src/lib/libm/common/complex/cprojf.c
new file mode 100644
index 0000000000..53585dcde9
--- /dev/null
+++ b/usr/src/lib/libm/common/complex/cprojf.c
@@ -0,0 +1,58 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma weak cprojf = __cprojf
+
+#include "libm.h"
+#include "complex_wrapper.h"
+
+/* INDENT OFF */
+static const float zero = 0.0F;
+/* INDENT ON */
+
+fcomplex
+cprojf(fcomplex z) {
+	float x, y;
+	int ix, iy, hx, hy;
+
+	x = F_RE(z);
+	y = F_IM(z);
+	hx = THE_WORD(x);
+	hy = THE_WORD(y);
+	ix = hx & 0x7fffffff;
+	iy = hy & 0x7fffffff;
+	if (iy == 0x7f800000) {
+		F_RE(z) = fabsf(y);
+		F_IM(z) = hy >= 0 ? zero : -zero;
+	} else if (ix == 0x7f800000) {
+		F_RE(z) = fabsf(x);
+		F_IM(z) = hy >= 0 ? zero : -zero;
+	}
+	return (z);
+}