From 7d41c2213b5070d444fa17cdb04eeb9fdc955309 Mon Sep 17 00:00:00 2001
From: Katja <katjav@users.sourceforge.net>
Date: Sun, 6 Nov 2011 15:38:24 +0000
Subject: made smlib compliant with double precision

svn path=/trunk/externals/smlib/; revision=15707
---
 bp.c | 52 ++++++++++++++++++++++++++--------------------------
 1 file changed, 26 insertions(+), 26 deletions(-)

(limited to 'bp.c')

diff --git a/bp.c b/bp.c
index d21bc19..c18b5f7 100644
--- a/bp.c
+++ b/bp.c
@@ -4,21 +4,21 @@
 
 typedef struct bpctl
 {
-    float c_x1;
-    float c_x2;
-    float c_coef1;
-    float c_coef2;
-    float c_gain;
+    t_float c_x1;
+    t_float c_x2;
+    t_float c_coef1;
+    t_float c_coef2;
+    t_float c_gain;
 } t_bpctl;
 
 typedef struct bp
 {
     t_object x_obj;
-    float x_freq;
-    float x_q;
+    t_float x_freq;
+    t_float x_q;
     t_bpctl x_cspace;
     t_bpctl *x_ctl;
-    float x_f;
+    t_float x_f;
 } t_bp;
 
 t_class *bp_class;
@@ -39,29 +39,29 @@ static void *bp_new(t_floatarg f, t_floatarg q)
     return (x);
 }
 
-static float bp_qcos(float f)
+static t_float bp_qcos(t_float f)
 {
-    if (f >= -(0.5f*3.14159f) && f <= 0.5f*3.14159f)
+    if (f >= -(0.5*3.141592653589793) && f <= 0.5*3.141592653589793)
     {
-    	float g = f*f;
-    	return (((g*g*g * (-1.0f/720.0f) + g*g*(1.0f/24.0f)) - g*0.5f) + 1);
+    	t_float g = f*f;
+    	return (((g*g*g * (-1.0/720.0) + g*g*(1.0/24.0)) - g*0.5) + 1);
     }
     else return (0);
 }
 
 static void bp_docoef(t_bp *x, t_floatarg f, t_floatarg q)
 {
-    float r, oneminusr, omega;
-    if (f < 0.0001f) f = 0.0001f;
+    t_float r, oneminusr, omega;
+    if (f < 0.0001) f = 0.0001;
     if (q < 0) q = 0;
     x->x_freq = f;
     x->x_q = q;
-    omega = f * (2.0f * 3.14159f);
-    if (q < 0.001) oneminusr = 1.0f;
+    omega = f * (2.0 * 3.141592653589793);
+    if (q < 0.001) oneminusr = 1.0;
     else oneminusr = omega/q;
-    if (oneminusr > 1.0f) oneminusr = 1.0f;
-    r = 1.0f - oneminusr;
-    x->x_ctl->c_coef1 = 2.0f * bp_qcos(omega) * r;
+    if (oneminusr > 1.0) oneminusr = 1.0;
+    r = 1.0 - oneminusr;
+    x->x_ctl->c_coef1 = 2.0 * bp_qcos(omega) * r;
     x->x_ctl->c_coef2 = - r * r;
     x->x_ctl->c_gain = 2 * oneminusr * (oneminusr + r * omega);
     /* post("r %f, omega %f, coef1 %f, coef2 %f",
@@ -85,15 +85,15 @@ static void bp_clear(t_bp *x, t_floatarg q)
 
 static void bp_perform(t_bp *x, t_float in)
 {
-	float out;
+	t_float out;
     t_bpctl *c = x->x_ctl;
-    float last = c->c_x1;
-    float prev = c->c_x2;
-    float coef1 = c->c_coef1;
-    float coef2 = c->c_coef2;
-    float gain = c->c_gain;
+    t_float last = c->c_x1;
+    t_float prev = c->c_x2;
+    t_float coef1 = c->c_coef1;
+    t_float coef2 = c->c_coef2;
+    t_float gain = c->c_gain;
 
-	float output =  in + coef1 * last + coef2 * prev;
+	t_float output =  in + coef1 * last + coef2 * prev;
    	out = gain * output;
 
 	prev = last;
-- 
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