diff options
Diffstat (limited to 'desiredata/src')
-rw-r--r-- | desiredata/src/builtins_dsp.c | 65 |
1 files changed, 14 insertions, 51 deletions
diff --git a/desiredata/src/builtins_dsp.c b/desiredata/src/builtins_dsp.c index ddce3164..0b767de2 100644 --- a/desiredata/src/builtins_dsp.c +++ b/desiredata/src/builtins_dsp.c @@ -116,13 +116,11 @@ static void scalar##NAME##_dsp(t_scalarminus *x, t_signal **sp) { \ #define PERFORM(NAME,EXPR) \ t_int *NAME##_perform(t_int *w) { \ - t_float *in1 = (t_float *)w[1], *in2 = (t_float *)w[2], *out = (t_float *)w[3]; \ - int n = (int)w[4]; \ + PERFORM4ARGS(t_float *,in1, t_float *,in2, t_float *,out, int,n); \ while (n--) {t_float a=*in1++, b=*in2++; *out++ = (EXPR);} \ return w+5;} \ t_int *NAME##_perf8(t_int *w) { \ - t_float *in1 = (t_float *)w[1], *in2 = (t_float *)w[2], *out = (t_float *)w[3]; \ - int n = (int)w[4]; \ + PERFORM4ARGS(t_float *,in1, t_float *,in2, t_float *,out, int,n); \ for (; n; n -= 8, in1 += 8, in2 += 8, out += 8) { \ {t_float a=in1[0], b=in2[0]; out[0] = (EXPR);} \ {t_float a=in1[1], b=in2[1]; out[1] = (EXPR);} \ @@ -134,13 +132,11 @@ t_int *NAME##_perf8(t_int *w) { \ {t_float a=in1[7], b=in2[7]; out[7] = (EXPR);}} \ return w+5;} \ t_int *scalar##NAME##_perform(t_int *w) { \ - t_float *in = (t_float *)w[1]; t_float b = *(t_float *)w[2]; t_float *out = (t_float *)w[3]; \ - int n = (int)w[4]; \ + PERFORM4ARGS(t_float *,in, t_float *,in2, t_float *,out, int,n); t_float b=*in2; \ while (n--) {t_float a=*in++; *out++ = (EXPR);} \ return w+5;} \ t_int *scalar##NAME##_perf8(t_int *w) { \ - t_float *in = (t_float *)w[1]; t_float b = *(t_float *)w[2]; t_float *out = (t_float *)w[3]; \ - int n = (int)w[4]; \ + PERFORM4ARGS(t_float *,in, t_float *,in2, t_float *,out, int,n); t_float b=*in2; \ for (; n; n -= 8, in += 8, out += 8) { \ {t_float a=in[0]; out[0] = (EXPR);} \ {t_float a=in[1]; out[1] = (EXPR);} \ @@ -463,19 +459,6 @@ static t_int *tabread4_tilde_perform(t_int *w) { float *buf = x->vec, *fp; maxindex = x->npoints - 3; if (!buf) goto zero; -#if 0 /* test for spam -- I'm not ready to deal with this */ - for (i = 0, xmax = 0, xmin = maxindex, fp = in1; i < n; i++, fp++) { - float f = *in1; - if (f < xmin) xmin = f; - else if (f > xmax) xmax = f; - } - if (xmax < xmin + x->c_maxextent) xmax = xmin + x->c_maxextent; - for (i = 0, splitlo = xmin+ x->c_maxextent, splithi = xmax - x->c_maxextent, - fp = in1; i < n; i++, fp++) { - float f = *in1; - if (f > splitlo && f < splithi) goto zero; - } -#endif for (int i=0; i<n; i++) { float findex = *in++; int index = (int)findex; @@ -562,7 +545,6 @@ static t_int *tabosc4_tilde_perform(t_int *w) { if (!tab) {while (n--) *out++ = 0; return w+5;} tf.d = UNITBIT32; int normhipart = tf.i[HIOFFSET]; -#if 1 while (n--) { tf.d = dphase; dphase += *in++ * conv; @@ -576,7 +558,6 @@ static t_int *tabosc4_tilde_perform(t_int *w) { float cminusb = c-b; *out++ = b + frac * (cminusb - 0.1666667f * (1.-frac) * ((d - a - 3.0f * cminusb) * frac + (d + 2.0f*a - 3.0f*b))); } -#endif tf.d = UNITBIT32 * fnpoints; normhipart = tf.i[HIOFFSET]; tf.d = dphase + (UNITBIT32 * fnpoints - UNITBIT32); @@ -1671,12 +1652,10 @@ static void sigdelwrite_checkvecsize(t_sigdelwrite *x, int vecsize) { x->vecsize = vecsize; x->rsortno = ugen_getsortno(); } - /* LATER this should really check sample rate and blocking, once that is - supported. Probably we don't actually care about vecsize. - For now just suppress this check. */ + /* LATER this should really check sample rate and blocking, once that is supported. + Probably we don't actually care about vecsize. For now just suppress this check. */ #if 0 - else if (vecsize != x->vecsize) - error("delread/delwrite/vd vector size mismatch"); + else if (vecsize != x->vecsize) error("delread/delwrite/vd vector size mismatch"); #endif } static void *sigdelwrite_new(t_symbol *s, t_floatarg msec) { @@ -3364,7 +3343,7 @@ static t_int *cos_perform(t_int *w) { #if 0 /* this is the readable version of the code. */ while (n--) { - dphase = (double)(*in++ * (float)(COSTABSIZE)) + UNITBIT32; + dphase = double(*in++ * float(COSTABSIZE)) + UNITBIT32; tf.d = dphase; addr = tab + (tf.i[HIOFFSET] & (COSTABSIZE-1)); tf.i[HIOFFSET] = normhipart; @@ -3374,12 +3353,12 @@ static t_int *cos_perform(t_int *w) { *out++ = f1 + frac * (f2 - f1); } #else /* this is the same, unwrapped by hand. */ - dphase = (double)(*in++ * (float)(COSTABSIZE)) + UNITBIT32; + dphase = double(*in++ * float(COSTABSIZE)) + UNITBIT32; tf.d = dphase; addr = tab + (tf.i[HIOFFSET] & (COSTABSIZE-1)); tf.i[HIOFFSET] = normhipart; while (--n) { - dphase = (double)(*in++ * (float)(COSTABSIZE)) + UNITBIT32; + dphase = double(*in++ * float(COSTABSIZE)) + UNITBIT32; frac = tf.d - UNITBIT32; tf.d = dphase; f1 = addr[0]; @@ -3444,18 +3423,6 @@ static t_int *osc_perform(t_int *w) { float conv = x->conv; tf.d = UNITBIT32; normhipart = tf.i[HIOFFSET]; -#if 0 - while (n--) { - tf.d = dphase; - dphase += *in++ * conv; - addr = tab + (tf.i[HIOFFSET] & (COSTABSIZE-1)); - tf.i[HIOFFSET] = normhipart; - frac = tf.d - UNITBIT32; - f1 = addr[0]; - f2 = addr[1]; - *out++ = f1 + frac * (f2 - f1); - } -#else tf.d = dphase; dphase += *in++ * conv; addr = tab + (tf.i[HIOFFSET] & (COSTABSIZE-1)); @@ -3468,13 +3435,12 @@ static t_int *osc_perform(t_int *w) { f2 = addr[1]; addr = tab + (tf.i[HIOFFSET] & (COSTABSIZE-1)); tf.i[HIOFFSET] = normhipart; - *out++ = f1 + frac * (f2 - f1); + *out++ = f1 + frac * (f2 - f1); frac = tf.d - UNITBIT32; } f1 = addr[0]; f2 = addr[1]; *out++ = f1 + frac * (f2 - f1); -#endif tf.d = UNITBIT32 * COSTABSIZE; normhipart = tf.i[HIOFFSET]; tf.d = dphase + (UNITBIT32 * COSTABSIZE - UNITBIT32); @@ -3486,9 +3452,7 @@ static void osc_dsp(t_osc *x, t_signal **sp) { x->conv = COSTABSIZE/sp[0]->sr; dsp_add(osc_perform, 4, x, sp[0]->v, sp[1]->v, sp[0]->n); } -static void osc_ft1(t_osc *x, t_float f) { - x->phase = COSTABSIZE * f; -} +static void osc_ft1(t_osc *x, t_float f) {x->phase = COSTABSIZE * f;} static void osc_setup() { osc_class = class_new2("osc~",osc_new,0,sizeof(t_osc),0,"F"); CLASS_MAINSIGNALIN(osc_class, t_osc, a); @@ -3557,13 +3521,12 @@ static t_int *sigvcf_perform(t_int *w) { addr = tab + tabindex; tf.i[HIOFFSET] = normhipart; frac = tf.d - UNITBIT32; - f1 = addr[0]; f2 = addr[1]; coefr = r * (f1 + frac * (f2 - f1)); - addr = tab + ((tabindex - (COSTABSIZE/4)) & (COSTABSIZE-1)); + f1 = addr[0]; f2 = addr[1]; coefr = r * (f1 + frac * (f2 - f1)); addr = tab + ((tabindex - (COSTABSIZE/4)) & (COSTABSIZE-1)); f1 = addr[0]; f2 = addr[1]; coefi = r * (f1 + frac * (f2 - f1)); f1 = *in1++; re2 = re; *out1++ = re = ampcorrect * oneminusr * f1 + coefr * re2 - coefi * im; - *out2++ = im = coefi * re2 + coefr * im; + *out2++ = im = coefi * re2 + coefr * im; } if (PD_BIGORSMALL(re)) re = 0; if (PD_BIGORSMALL(im)) im = 0; |