Initial import of ffts.

ffts is a BSD-licensed Fast Fourier Transform library based on dynamic
generation of SIMD code, supporting Intel SSE and ARM Neon.

6 files changed, 84 insertions, 0 deletions

diff --git a/math/ffts/DESCR b/math/ffts/DESCR
new file mode 100644
index 00000000000..7220b2ddc56
--- /dev/null
+++ b/math/ffts/DESCR
@@ -0,0 +1,2 @@
+A BSD-licensed Fast Fourier Transform library based on dynamic
+generation of SIMD code, supporting Intel SSE and ARM Neon.
diff --git a/math/ffts/Makefile b/math/ffts/Makefile
new file mode 100644
index 00000000000..114c242c0f6
--- /dev/null
+++ b/math/ffts/Makefile
@@ -0,0 +1,22 @@
+# $NetBSD: Makefile,v 1.1 2016/01/22 14:57:41 gson Exp $
+
+GIT_COMMIT=		fa1780c68593762b1e4bdbc46d83912db3eba27a
+
+DISTNAME=		${GIT_COMMIT}
+PKGNAME=		ffts-20140106
+CATEGORIES=		math
+MASTER_SITES=		${MASTER_SITE_GITHUB:=anthonix/}/ffts/archive/
+
+MAINTAINER=		gson@NetBSD.org
+HOMEPAGE=		https://github.com/anthonix/ffts
+COMMENT=		The Fastest Fourier Transform in the South
+LICENSE=		modified-bsd
+
+WRKSRC=			${WRKDIR}/ffts-${GIT_COMMIT}
+
+USE_LANGUAGES=		c c++
+USE_LIBTOOL=		yes
+GNU_CONFIGURE=		yes
+CONFIGURE_ARGS=		--enable-sse --enable-single
+
+.include "../../mk/bsd.pkg.mk"
diff --git a/math/ffts/PLIST b/math/ffts/PLIST
new file mode 100644
index 00000000000..71782a52a24
--- /dev/null
+++ b/math/ffts/PLIST
@@ -0,0 +1,4 @@
+@comment $NetBSD: PLIST,v 1.1 2016/01/22 14:57:41 gson Exp $
+include/ffts/ffts.h
+lib/libffts.la
+lib/pkgconfig/ffts.pc
diff --git a/math/ffts/distinfo b/math/ffts/distinfo
new file mode 100644
index 00000000000..038e53a4e70
--- /dev/null
+++ b/math/ffts/distinfo
@@ -0,0 +1,8 @@
+$NetBSD: distinfo,v 1.1 2016/01/22 14:57:41 gson Exp $
+
+SHA1 (fa1780c68593762b1e4bdbc46d83912db3eba27a.tar.gz) = 6dfb95b6c9575005d5cc06b6acb8b5cb47a27328
+RMD160 (fa1780c68593762b1e4bdbc46d83912db3eba27a.tar.gz) = 495ae3f6ffcd03740553765dbd0cff03b5f7e89b
+SHA512 (fa1780c68593762b1e4bdbc46d83912db3eba27a.tar.gz) = 2bfab39f3661e53fb625a465f7c05986b2923af2679f8e2c493ec8130032e6dd68f379501bcb6ea28c728ce2d605faf9868cd57d96442e26507cd0e00f4d4b71
+Size (fa1780c68593762b1e4bdbc46d83912db3eba27a.tar.gz) = 414064 bytes
+SHA1 (patch-src_codegen.c) = 09b9d234092607fbad9747ac08df0f0962df693d
+SHA1 (patch-tests_test.c) = 14b291a46caaccb3d78462bedee171e0e9e01797
diff --git a/math/ffts/patches/patch-src_codegen.c b/math/ffts/patches/patch-src_codegen.c
new file mode 100644
index 00000000000..796bf6348e5
--- /dev/null
+++ b/math/ffts/patches/patch-src_codegen.c
@@ -0,0 +1,15 @@
+$NetBSD: patch-src_codegen.c,v 1.1 2016/01/22 14:57:41 gson Exp $
+
+Provide the appropriate arguents to mmap on NetBSD.
+
+--- src/codegen.c.orig	2014-01-05 22:32:16.000000000 +0000
++++ src/codegen.c
+@@ -181,6 +181,8 @@ void ffts_generate_func_code(ffts_plan_t
+ 
+ #ifdef __APPLE__
+ 	p->transform_base = mmap(NULL, p->transform_size, PROT_WRITE | PROT_READ, MAP_ANON | MAP_SHARED, -1, 0);
++#elif defined(__NetBSD__)
++	p->transform_base = mmap(NULL, p->transform_size, PROT_WRITE | PROT_READ | PROT_EXEC, MAP_ANON | MAP_SHARED, -1, 0);
+ #else
+ #define MAP_ANONYMOUS 0x20	
+ 	p->transform_base = mmap(NULL, p->transform_size, PROT_WRITE | PROT_READ, MAP_ANONYMOUS | MAP_SHARED, -1, 0);
diff --git a/math/ffts/patches/patch-tests_test.c b/math/ffts/patches/patch-tests_test.c
new file mode 100644
index 00000000000..ed0dc09bab1
--- /dev/null
+++ b/math/ffts/patches/patch-tests_test.c
@@ -0,0 +1,33 @@
+$NetBSD: patch-tests_test.c,v 1.1 2016/01/22 14:57:41 gson Exp $
+
+NetBSD lacks sinl(), cosl(), and sqrtl().
+
+--- tests/test.c.orig	2014-01-05 22:32:16.000000000 +0000
++++ tests/test.c
+@@ -44,7 +44,7 @@
+ #define PI 3.1415926535897932384626433832795028841971693993751058209
+ 
+ float impulse_error(int N, int sign, float *data) {
+-#ifdef __ANDROID__
++#if defined(__ANDROID__) || defined(__NetBSD__)
+ 	double delta_sum = 0.0f;
+ 	double sum = 0.0f;
+ #else
+@@ -54,7 +54,7 @@ float impulse_error(int N, int sign, flo
+ 
+ 	int i;
+ 	for(i=0;i<N;i++) {
+-#ifdef __ANDROID__
++#if defined(__ANDROID__) || defined(__NetBSD__)
+ 		double re, im;
+ 		if(sign < 0) {
+ 			re = cos(2 * PI * (double)i / (double)N); 
+@@ -81,7 +81,7 @@ float impulse_error(int N, int sign, flo
+ 		delta_sum += re * re + im * im;
+ 
+ 	}
+-#ifdef __ANDROID__
++#if defined(__ANDROID__) || defined(__NetBSD__)
+ 	return sqrt(delta_sum) / sqrt(sum);
+ #else
+ 	return sqrtl(delta_sum) / sqrtl(sum);