diff options
Diffstat (limited to 'usr/src/lib/libmvec/common/__vz_log.c')
| -rw-r--r-- | usr/src/lib/libmvec/common/__vz_log.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/usr/src/lib/libmvec/common/__vz_log.c b/usr/src/lib/libmvec/common/__vz_log.c new file mode 100644 index 0000000000..602173b104 --- /dev/null +++ b/usr/src/lib/libmvec/common/__vz_log.c @@ -0,0 +1,49 @@ +/* + * 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. + */ + +#ifdef __RESTRICT +#define restrict _Restrict +#else +#define restrict +#endif + +extern void __vatan2(int, double *, int, double *, int, double *, int); +extern void __vhypot(int, double *, int, double *, int, double *, int); +extern void __vlog(int, double *, int, double *, int); + +void +__vz_log(int n, double * restrict x, int stridex, double * restrict y, + int stridey) +{ + stridex <<= 1; + stridey <<= 1; + __vhypot(n, x, stridex, x + 1, stridex, y + 1, stridey); + __vlog(n, y + 1, stridey, y, stridey); + __vatan2(n, x + 1, stridex, x, stridex, y + 1, stridey); +} |