Index: head/math/Makefile
===================================================================
--- head/math/Makefile
+++ head/math/Makefile
@@ -792,6 +792,7 @@
     SUBDIR += simd-viterbi
     SUBDIR += singular
     SUBDIR += slatec
+    SUBDIR += sleef
     SUBDIR += slepc
     SUBDIR += slgrace
     SUBDIR += snns
Index: head/math/sleef/Makefile
===================================================================
--- head/math/sleef/Makefile
+++ head/math/sleef/Makefile
@@ -0,0 +1,23 @@
+# Created by: Johannes M Dieterich <jmd@FreeBSD.org>
+# $FreeBSD$
+
+PORTNAME=	sleef
+DISTVERSION=	3.3-9
+DISTVERSIONSUFFIX=	-g3998463
+CATEGORIES=	math
+
+MAINTAINER=	jmd@FreeBSD.org
+COMMENT=	SIMD Library for Evaluating Elementary Functions, vectorized libm
+
+LICENSE=	BSL
+LICENSE_FILE=	${WRKSRC}/LICENSE.txt
+
+IGNORE_FreeBSD_10=	base compiler too old
+
+USES=		cmake:outsource
+USE_LDCONFIG=	yes
+
+USE_GITHUB=	yes
+GH_ACCOUNT=	shibatch
+
+.include <bsd.port.mk>
Index: head/math/sleef/distinfo
===================================================================
--- head/math/sleef/distinfo
+++ head/math/sleef/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1536240930
+SHA256 (shibatch-sleef-3.3-9-g3998463_GH0.tar.gz) = 54b4f60a973e50f57ba11a7306bd5f3cb27c7ca684d6a135bdc6b74cb0649583
+SIZE (shibatch-sleef-3.3-9-g3998463_GH0.tar.gz) = 889481
Index: head/math/sleef/pkg-descr
===================================================================
--- head/math/sleef/pkg-descr
+++ head/math/sleef/pkg-descr
@@ -0,0 +1,7 @@
+SIMD Library for Evaluating Elementary Functions, vectorized libm and DFT
+
+In this library, functions for evaluating some elementary functions are
+implemented. It provides a vectorized libm alternativ. The library also
+includes DFT subroutines.
+
+WWW: https://github.com/shibara/sleef
Index: head/math/sleef/pkg-plist
===================================================================
--- head/math/sleef/pkg-plist
+++ head/math/sleef/pkg-plist
@@ -0,0 +1,11 @@
+include/sleef.h
+include/sleefdft.h
+lib/libsleef.so
+lib/libsleef.so.3
+lib/libsleef.so.3.3
+lib/libsleefdft.so
+lib/libsleefdft.so.3
+lib/libsleefdft.so.3.3
+lib/libsleefgnuabi.so
+lib/libsleefgnuabi.so.3
+lib/libsleefgnuabi.so.3.3