add fftw to build

.github/workflows/compile-and-artifacts.yml

@@ -26,6 +26,8 @@ jobs:
 
     - name: install dependencies
       run: |
+        sudo apt-get update
+        sudo apt-get install -y libfftw3-dev
         git clone --branch=${{ env.PD_VERSION }} --depth=1 https://github.com/pure-data/pure-data.git
 
     - name: make

Makefile

@@ -10,8 +10,6 @@ class.sources = \
 	faccwrap~.c \
 	faccleak~.c \
 	nchans~.c \
-	mc_conv~.c \
-	mc_conv2d~.c \
 	noisen~.c \
 	qacc~.c \
 	qmul~.c \
@@ -20,7 +18,6 @@ class.sources = \
 	urn~.c \
 	mc_route~.c \
 	zc~.c \
-	frft~.c \
 	ambi2dir.c \
 	tetra2pos.c \
 	tabsmear~.c \
@@ -54,10 +51,17 @@ datafiles = \
 	${empty}
 	# add nchans~ help
 
-# FFTW3 specific flags
-cflags += -I$(FFTW_INCLUDE)
-ldflags += -L$(FFTW_LIB)
-ldlibs += -lfftw3
+# List externals that need FFTW3
+FFTW_SOURCES = \
+	frft~.c \
+	mc_conv~.c \
+	mc_conv2d~.c \
+
+
+# Add FFTW flags only to specific externals
+$(FFTW_SOURCES:.c=.class.sources.o): cflags += -I$(FFTW_INCLUDE)
+$(FFTW_SOURCES:.c=.class.sources.o): ldflags += -L$(FFTW_LIB)
+$(FFTW_SOURCES:.c=.class.sources.o): ldlibs += -lfftw3
 
 objectsdir = ./build
 PDLIBBUILDER_DIR=./pd-lib-builder

faccleak~.c

@@ -138,10 +138,14 @@ static void *faccleak_tilde_new(t_floatarg leak_rate)
 {
     t_faccleak_tilde *x = (t_faccleak_tilde *)pd_new(faccleak_tilde_class);
 
+    // Store initial leak rate, with bounds checking
+    x->init_leak = leak_rate;
+    if (x->init_leak < 0.0f) x->init_leak = 0.0f;
+    if (x->init_leak > 1.0f) x->init_leak = 1.0f;
+
     // Initialize
     x->n_channels = 0;
-    x->leak_nchans = 1;  // Start with 1 leak channel
-    x->init_leak = leak_rate;  // Store initial leak rate
+    x->leak_nchans = 1;
 
     x->in = (t_sample **)getbytes(sizeof(t_sample *));
     x->leak = (t_sample **)getbytes(sizeof(t_sample *));
@@ -174,7 +178,7 @@ void faccleak_tilde_setup(void)
         (t_newmethod)faccleak_tilde_new,
         (t_method)faccleak_tilde_free,
         sizeof(t_faccleak_tilde),
-        CLASS_DEFAULT | CLASS_MULTICHANNEL,
+        CLASS_MULTICHANNEL,
         A_DEFFLOAT, 0);
 
     class_addmethod(faccleak_tilde_class,

faccwrap~.c

@@ -159,7 +159,7 @@ void faccwrap_tilde_setup(void)
         (t_newmethod)faccwrap_tilde_new,
         (t_method)faccwrap_tilde_free,
         sizeof(t_faccwrap_tilde),
-        CLASS_DEFAULT | CLASS_MULTICHANNEL,
+        CLASS_MULTICHANNEL,
         A_DEFFLOAT, A_DEFFLOAT, 0);
 
     class_addmethod(faccwrap_tilde_class, (t_method)faccwrap_tilde_dsp, gensym("dsp"), A_CANT, 0);