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+/******************************************************
+ *
+ * zexy - implementation file
+ *
+ * copyleft (c) IOhannes m zmölnig
+ *
+ * 1999:forum::für::umläute:2004
+ *
+ * institute of electronic music and acoustics (iem)
+ *
+ ******************************************************
+ *
+ * license: GNU General Public License v.2
+ *
+ ******************************************************/
+
+/*
+ finally :: some of the missing binops for signals :: ==~
+
+ 1302:forum::für::umläute:2000
+*/
+
+#include "zexy.h"
+
+/* ----------------------------- eq_tilde ----------------------------- */
+static t_class *eq_tilde_class, *scalareq_tilde_class;
+
+typedef struct _eq_tilde
+{
+ t_object x_obj;
+ float x_f;
+} t_eq_tilde;
+
+typedef struct _scalareq_tilde
+{
+ t_object x_obj;
+ float x_f;
+ t_float x_g; /* inlet value */
+} t_scalareq_tilde;
+
+static void *eq_tilde_new(t_symbol *s, int argc, t_atom *argv)
+{
+ if (argc > 1) post("==~: extra arguments ignored");
+ if (argc)
+ {
+ t_scalareq_tilde *x = (t_scalareq_tilde *)pd_new(scalareq_tilde_class);
+ floatinlet_new(&x->x_obj, &x->x_g);
+ x->x_g = atom_getfloatarg(0, argc, argv);
+ outlet_new(&x->x_obj, &s_signal);
+ x->x_f = 0;
+ return (x);
+ }
+ else
+ {
+ t_eq_tilde *x = (t_eq_tilde *)pd_new(eq_tilde_class);
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
+ outlet_new(&x->x_obj, &s_signal);
+ x->x_f = 0;
+ return (x);
+ }
+}
+
+t_int *eq_tilde_perform(t_int *w)
+{
+ t_float *in1 = (t_float *)(w[1]);
+ t_float *in2 = (t_float *)(w[2]);
+ t_float *out = (t_float *)(w[3]);
+ int n = (int)(w[4]);
+ while (n--) *out++ = (*in1++ == *in2++);
+ return (w+5);
+}
+
+t_int *eq_tilde_perf8(t_int *w)
+{
+ t_float *in1 = (t_float *)(w[1]);
+ t_float *in2 = (t_float *)(w[2]);
+ t_float *out = (t_float *)(w[3]);
+ int n = (int)(w[4]);
+ for (; n; n -= 8, in1 += 8, in2 += 8, out += 8)
+ {
+ float f0 = in1[0], f1 = in1[1], f2 = in1[2], f3 = in1[3];
+ float f4 = in1[4], f5 = in1[5], f6 = in1[6], f7 = in1[7];
+
+ float g0 = in2[0], g1 = in2[1], g2 = in2[2], g3 = in2[3];
+ float g4 = in2[4], g5 = in2[5], g6 = in2[6], g7 = in2[7];
+
+ out[0] = f0 == g0; out[1] = f1 == g1; out[2] = f2 == g2; out[3] = f3 == g3;
+ out[4] = f4 == g4; out[5] = f5 == g5; out[6] = f6 == g6; out[7] = f7 == g7;
+ }
+ return (w+5);
+}
+
+t_int *scalareq_tilde_perform(t_int *w)
+{
+ t_float *in = (t_float *)(w[1]);
+ t_float f = *(t_float *)(w[2]);
+ t_float *out = (t_float *)(w[3]);
+ int n = (int)(w[4]);
+ while (n--) *out++ = (*in++ == f);
+ return (w+5);
+}
+
+t_int *scalareq_tilde_perf8(t_int *w)
+{
+ t_float *in = (t_float *)(w[1]);
+ t_float g = *(t_float *)(w[2]);
+ t_float *out = (t_float *)(w[3]);
+ int n = (int)(w[4]);
+ for (; n; n -= 8, in += 8, out += 8)
+ {
+ float f0 = in[0], f1 = in[1], f2 = in[2], f3 = in[3];
+ float f4 = in[4], f5 = in[5], f6 = in[6], f7 = in[7];
+
+ out[0] = (f0 == g); out[1] = (f1 == g); out[2] = (f2 == g); out[3] = (f3 == g);
+ out[4] = (f4 == g); out[5] = (f5 == g); out[6] = (f6 == g); out[7] = (f7 == g);
+ }
+ return (w+5);
+}
+
+#ifdef __SSE__
+t_int *eq_tilde_performSSE(t_int *w)
+{
+ __m128 *in1 = (__m128 *)(w[1]);
+ __m128 *in2 = (__m128 *)(w[2]);
+ __m128 *out = (__m128 *)(w[3]);
+ int n = (int)(w[4])>>4;
+ const __m128 one = _mm_set1_ps(1.f);
+
+ while (n--) {
+ __m128 xmm0, xmm1, xmm2;
+ xmm0 = _mm_cmpeq_ps(in1[0], in2[0]);
+ out[0] = _mm_and_ps (xmm0 , one);
+
+ xmm1 = _mm_cmpeq_ps(in1[1], in2[1]);
+ out[1] = _mm_and_ps (xmm1 , one);
+
+ xmm0 = _mm_cmpeq_ps(in1[2], in2[2]);
+ out[2] = _mm_and_ps (xmm0 , one);
+
+ xmm1 = _mm_cmpeq_ps(in1[3], in2[3]);
+ out[3] = _mm_and_ps (xmm1 , one);
+
+ in1+=4;
+ in2+=4;
+ out+=4;
+ }
+
+ return (w+5);
+}
+t_int *scalareq_tilde_performSSE(t_int *w)
+{
+ __m128 *in = (__m128 *)(w[1]);
+ __m128 *out = (__m128 *)(w[3]);
+ t_float f = *(t_float *)(w[2]);
+ __m128 scalar = _mm_set1_ps(f);
+ int n = (int)(w[4])>>4;
+ const __m128 one = _mm_set1_ps(1.f);
+
+ while (n--) {
+ __m128 xmm0, xmm1;
+ xmm0 = _mm_cmpeq_ps (in[0], scalar);
+ out[0] = _mm_and_ps (xmm0, one);
+
+ xmm1 = _mm_cmpeq_ps (in[1], scalar);
+ out[1] = _mm_and_ps (xmm1, one);
+
+ xmm0 = _mm_cmpeq_ps (in[2], scalar);
+ out[2] = _mm_and_ps (xmm0, one);
+
+ xmm1 = _mm_cmpeq_ps (in[3], scalar);
+ out[3] = _mm_and_ps (xmm1, one);
+
+ in +=4;
+ out+=4;
+ }
+ return (w+5);
+}
+#endif /* __SSE__ */
+
+static void eq_tilde_dsp(t_eq_tilde *x, t_signal **sp)
+{
+ t_sample*in1=sp[0]->s_vec;
+ t_sample*in2=sp[1]->s_vec;
+ t_sample*out=sp[2]->s_vec;
+
+ int n=sp[0]->s_n;
+
+#ifdef __SSE__
+ if(
+ Z_SIMD_CHKBLOCKSIZE(n)&&
+ Z_SIMD_CHKALIGN(in1)&&
+ Z_SIMD_CHKALIGN(in2)&&
+ Z_SIMD_CHKALIGN(out)
+ )
+ {
+ dsp_add(eq_tilde_performSSE, 4, in1, in2, out, n);
+ } else
+#endif
+ if (n&7)
+ dsp_add(eq_tilde_perform, 4, in1, in2, out, n);
+ else
+ dsp_add(eq_tilde_perf8, 4, in1, in2, out, n);
+}
+
+static void scalareq_tilde_dsp(t_scalareq_tilde *x, t_signal **sp)
+{
+ t_sample*in =sp[0]->s_vec;
+ t_sample*out=sp[1]->s_vec;
+ int n =sp[0]->s_n;
+
+#ifdef __SSE__
+ if(
+ Z_SIMD_CHKBLOCKSIZE(n)&&
+ Z_SIMD_CHKALIGN(in)&&
+ Z_SIMD_CHKALIGN(out)
+ )
+ {
+ dsp_add(scalareq_tilde_performSSE, 4, in, &x->x_g, out, n);
+ } else
+#endif
+ if (n&7)
+ dsp_add(scalareq_tilde_perform, 4, in, &x->x_g, out, n);
+ else
+ dsp_add(scalareq_tilde_perf8, 4, in, &x->x_g, out, n);
+}
+
+static void eq_tilde_setup(void)
+{
+ eq_tilde_class = class_new(gensym("==~"), (t_newmethod)eq_tilde_new, 0,
+ sizeof(t_eq_tilde), 0, A_GIMME, 0);
+ class_addmethod(eq_tilde_class, (t_method)eq_tilde_dsp, gensym("dsp"), 0);
+ CLASS_MAINSIGNALIN(eq_tilde_class, t_eq_tilde, x_f);
+ class_sethelpsymbol(eq_tilde_class, gensym("zexy/sigbinops+"));
+ scalareq_tilde_class = class_new(gensym("==~"), 0, 0,
+ sizeof(t_scalareq_tilde), 0, 0);
+ CLASS_MAINSIGNALIN(scalareq_tilde_class, t_scalareq_tilde, x_f);
+ class_addmethod(scalareq_tilde_class, (t_method)scalareq_tilde_dsp, gensym("dsp"),
+ 0);
+ class_sethelpsymbol(scalareq_tilde_class, gensym("zexy/sigbinops+"));
+ zexy_register("==~");
+}
+
+
+/* ---------------------- global setup ------------------------- */
+void z_eq__setup(void)
+{
+ eq_tilde_setup();
+}
+
+void z_0x3d0x3d0x7e_setup(void)
+{
+ eq_tilde_setup();
+}
+
+void setup_0x3d0x3d0x7e(void)
+{
+ eq_tilde_setup();
+}
+
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