From 1bf92aafdd3b463fa70e310522ab716744b7ce7c Mon Sep 17 00:00:00 2001
From: gson <gson@pkgsrc.org>
Date: Fri, 22 Jan 2016 14:57:41 +0000
Subject: 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.
---
 math/ffts/patches/patch-src_codegen.c | 15 +++++++++++++++
 math/ffts/patches/patch-tests_test.c  | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 math/ffts/patches/patch-src_codegen.c
 create mode 100644 math/ffts/patches/patch-tests_test.c

(limited to 'math/ffts/patches')

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);
-- 
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