[PD-cvs] pd/extra/lrshift~ lrshift~.c, NONE, 1.3.4.2 makefile, NONE, 1.6.8.2

[Tim Blechmann]

Update of /cvsroot/pure-data/pd/extra/lrshift~
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv21746/lrshift~

Added Files:
      Tag: devel_0_39
	lrshift~.c makefile 
Log Message:
missing extra files

--- NEW FILE: makefile ---
NAME=lrshift~
CSYM=lrshift_tilde


current: pd_linux

# ----------------------- NT -----------------------

pd_nt: $(NAME).dll

.SUFFIXES: .dll

PDNTCFLAGS = /W3 /WX /DNT /DPD /nologo
VC="C:\Program Files\Microsoft Visual Studio\Vc98"

PDNTINCLUDE = /I. /I..\..\src /I$(VC)\include

PDNTLDIR = $(VC)\lib
PDNTLIB = $(PDNTLDIR)\libc.lib \
	$(PDNTLDIR)\oldnames.lib \
	$(PDNTLDIR)\kernel32.lib \
	..\..\bin\pd.lib 

.c.dll:
	cl $(PDNTCFLAGS) $(PDNTINCLUDE) /c $*.c
	link /dll /export:$(CSYM)_setup $*.obj $(PDNTLIB)

# ----------------------- IRIX 5.x -----------------------

pd_irix5: $(NAME).pd_irix5

.SUFFIXES: .pd_irix5

SGICFLAGS5 = -o32 -DPD -DUNIX -DIRIX -O2

SGIINCLUDE =  -I../../src

.c.pd_irix5:
	$(CC) $(SGICFLAGS5) $(SGIINCLUDE) -o $*.o -c $*.c
	ld -elf -shared -rdata_shared -o $*.pd_irix5 $*.o
	rm $*.o

# ----------------------- IRIX 6.x -----------------------

pd_irix6: $(NAME).pd_irix6

.SUFFIXES: .pd_irix6

SGICFLAGS6 = -n32 -DPD -DUNIX -DIRIX -DN32 -woff 1080,1064,1185 \
	-OPT:roundoff=3 -OPT:IEEE_arithmetic=3 -OPT:cray_ivdep=true \
	-Ofast=ip32

.c.pd_irix6:
	$(CC) $(SGICFLAGS6) $(SGIINCLUDE) -o $*.o -c $*.c
	ld -n32 -IPA -shared -rdata_shared -o $*.pd_irix6 $*.o
	rm $*.o

# ----------------------- LINUX i386 -----------------------

pd_linux: $(NAME).pd_linux

.SUFFIXES: .pd_linux

LINUXCFLAGS = -DPD -O2 -funroll-loops -fomit-frame-pointer  -fPIC \
    -Wall -W -Wshadow -Wstrict-prototypes \
    -Wno-unused -Wno-parentheses -Wno-switch $(CFLAGS)

LINUXINCLUDE =  -I../../src

.c.pd_linux:
	$(CC) $(LINUXCFLAGS) $(LINUXINCLUDE) -o $*.o -c $*.c
	ld -export_dynamic  -shared -o $*.pd_linux $*.o -lc -lm
	strip --strip-unneeded $*.pd_linux
	rm -f $*.o

# ----------------------- Mac OSX -----------------------

pd_darwin: $(NAME).pd_darwin

.SUFFIXES: .pd_darwin

DARWINCFLAGS = -DPD -O2 -Wall -W -Wshadow -Wstrict-prototypes \
    -Wno-unused -Wno-parentheses -Wno-switch

.c.pd_darwin:
	$(CC) $(DARWINCFLAGS) $(LINUXINCLUDE) -o $*.o -c $*.c
	$(CC) -bundle -undefined suppress -flat_namespace -o $*.pd_darwin $*.o 
	rm -f $*.o

# ----------------------------------------------------------

clean:
	rm -f *.o *.pd_* so_locations

--- NEW FILE: lrshift~.c ---
#include "m_pd.h"

/* ------------------------ lrshift~ ----------------------------- */

static t_class *lrshift_tilde_class;

typedef struct _lrshift_tilde
{
    t_object x_obj;
    int x_n;
} t_lrshift_tilde;

static t_int *leftshift_perform(t_int *w)
{
    t_float *in = (t_float *)(w[1]);
    t_float *out= (t_float *)(w[2]);
    int n = (int)(w[3]);
    int shift = (int)(w[4]);
    in += shift;
    n -= shift;
    while (n--)
        *out++ = *in++;
    while (shift--)
        *out++ = 0;
    return (w+5);
}

static t_int *rightshift_perform(t_int *w)
{
    t_float *in = (t_float *)(w[1]);
    t_float *out= (t_float *)(w[2]);
    int n = (int)(w[3]);
    int shift = (int)(w[4]);
    n -= shift;
    in -= shift;
    while (n--)
        *--out = *--in;
    while (shift--)
        *--out = 0;
    return (w+5);
}

static void lrshift_tilde_dsp(t_lrshift_tilde *x, t_signal **sp)
{
    int n = sp[0]->s_n;
    int shift = x->x_n;
    if (shift > n)
        shift = n;
    if (shift < -n)
        shift = -n;
    if (shift < 0)
        dsp_add(rightshift_perform, 4,
            sp[0]->s_vec + n, sp[1]->s_vec + n, n, -shift);
    else dsp_add(leftshift_perform, 4,
            sp[0]->s_vec, sp[1]->s_vec, n, shift);
}

static void *lrshift_tilde_new(t_floatarg f)
{
    t_lrshift_tilde *x = (t_lrshift_tilde *)pd_new(lrshift_tilde_class);
    x->x_n = f;
    outlet_new(&x->x_obj, gensym("signal"));
    return (x);
}

void lrshift_tilde_setup(void)
{
    lrshift_tilde_class = class_new(gensym("lrshift~"),
        (t_newmethod)lrshift_tilde_new, 0, sizeof(t_lrshift_tilde), 0, 
            A_DEFFLOAT, 0);
    class_addmethod(lrshift_tilde_class, nullfn, gensym("signal"), 0);
    class_addmethod(lrshift_tilde_class, (t_method)lrshift_tilde_dsp,
        gensym("dsp"), 0);
}