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/*
arrayops.c: array operators
Copyright (C) 2017 Victor Lazzarini
This file is part of Csound.
The Csound Library is free software; you can redistribute it
and/or modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Csound is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with Csound; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA
*/
#include <algorithm>
#include <cmath>
#include <functional>
#include <numeric>
#include <plugin.h>
// extern
inline MYFLT frac(MYFLT f) { return std::modf(f, &f); }
// extern
inline MYFLT lim1(MYFLT f) {
return f > FL(0.0) ? (f < FL(1.0) ? f : FL(1.0)) : FL(0.0);
}
inline MYFLT limx(MYFLT f, MYFLT v1, MYFLT v2) {
return f > v1 ? (f < v2 ? f : v2) : v1;
}
/** k-rate operator
kout[] op kin[]
*/
template <MYFLT (*op)(MYFLT)> struct ArrayOp : csnd::Plugin<1, 1> {
int process(csnd::myfltvec &out, csnd::myfltvec &in) {
std::transform(in.begin(), in.end(), out.begin(),
[](MYFLT f) { return op(f); });
return OK;
}
int init() {
csnd::myfltvec &out = outargs.myfltvec_data(0);
csnd::myfltvec &in = inargs.myfltvec_data(0);
out.init(csound, in.len());
if (!is_perf()) process(out, in);
return OK;
}
int kperf() {
return process(outargs.myfltvec_data(0), inargs.myfltvec_data(0));
}
};
/** k-rate binary operator
kout[] op kin1[], kin2[]
*/
template <MYFLT (*bop)(MYFLT, MYFLT)> struct ArrayOp2 : csnd::Plugin<1, 2> {
int process(csnd::myfltvec &out, csnd::myfltvec &in1, csnd::myfltvec &in2) {
std::transform(in1.begin(), in1.end(), in2.begin(), out.begin(),
[](MYFLT f1, MYFLT f2) { return bop(f1, f2); });
return OK;
}
int init() {
csnd::myfltvec &out = outargs.myfltvec_data(0);
csnd::myfltvec &in1 = inargs.myfltvec_data(0);
csnd::myfltvec &in2 = inargs.myfltvec_data(1);
if (UNLIKELY(in2.len() < in1.len()))
return csound->init_error(Str_noop("second input array is too short\n"));
out.init(csound, in1.len());
if (!is_perf()) process(out, in1, in2);
return OK;
}
int kperf() {
return process(outargs.myfltvec_data(0), inargs.myfltvec_data(0),
inargs.myfltvec_data(1));
}
};
/** k-rate binary operator with array and scalar
kout[] op kin1[], kin2
*/
template <MYFLT (*bop)(MYFLT, MYFLT)> struct ArrayOp3 : csnd::Plugin<1, 2> {
int process(csnd::myfltvec &out, csnd::myfltvec &in, MYFLT v) {
for (MYFLT *s = in.begin(), *o = out.begin(); s != in.end(); s++, o++)
*o = bop(*s, v);
return OK;
}
int init() {
csnd::myfltvec &out = outargs.myfltvec_data(0);
csnd::myfltvec &in = inargs.myfltvec_data(0);
out.init(csound, in.len());
if (!is_perf()) process(out, in, inargs[1]);
return OK;
}
int kperf() {
return process(outargs.myfltvec_data(0), inargs.myfltvec_data(0),
inargs[1]);
}
};
/** k-rate binary operator with array and two scalar
kout[] op kin1[], kin2, kin3
*/
template <MYFLT (*trop)(MYFLT, MYFLT, MYFLT)>
struct ArrayOp4 : csnd::Plugin<1, 3> {
int process(csnd::myfltvec &out, csnd::myfltvec &in, MYFLT v1, MYFLT v2) {
for (MYFLT *s = in.begin(), *o = out.begin(); s != in.end(); s++, o++)
*o = trop(*s, v1, v2);
return OK;
}
int init() {
csnd::myfltvec &out = outargs.myfltvec_data(0);
csnd::myfltvec &in = inargs.myfltvec_data(0);
out.init(csound, in.len());
if(!is_perf()) process(out, in, inargs[1], inargs[2]);
return OK;
}
int kperf() {
return process(outargs.myfltvec_data(0), inargs.myfltvec_data(0), inargs[1],
inargs[2]);
}
};
/** k-rate operator
kout[] sort[a,d] kin[]
*/
template <typename T> struct ArraySort : csnd::Plugin<1, 1> {
int process(csnd::myfltvec &out, csnd::myfltvec &in) {
std::copy(in.begin(), in.end(), out.begin());
std::sort(out.begin(), out.end(), T());
return OK;
}
int init() {
csnd::myfltvec &out = outargs.myfltvec_data(0);
csnd::myfltvec &in = inargs.myfltvec_data(0);
out.init(csound, in.len());
if (!is_perf()) process(out, in);
return OK;
}
int kperf() {
return process(outargs.myfltvec_data(0), inargs.myfltvec_data(0));
}
};
/** dot product
*/
struct Dot : csnd::Plugin<1, 2> {
MYFLT process(csnd::myfltvec &in1, csnd::myfltvec &in2) {
return std::inner_product(in1.begin(), in1.end(), in2.begin(), 0.0);
}
int init() {
csnd::myfltvec &in1 = inargs.myfltvec_data(0);
csnd::myfltvec &in2 = inargs.myfltvec_data(1);
if (UNLIKELY(in2.len() < in1.len()))
return csound->init_error(Str_noop("second input array is too short\n"));
outargs[0] = process(in1, in2);
return OK;
}
int kperf() {
outargs[0] = process(inargs.myfltvec_data(0), inargs.myfltvec_data(1));
return OK;
}
};
template <typename T, int I> struct Accum : csnd::Plugin<1, 1> {
MYFLT process(csnd::myfltvec &in1) {
return std::accumulate(in1.begin(), in1.end(), FL(I), T());
}
int init() {
csnd::myfltvec &in1 = inargs.myfltvec_data(0);
outargs[0] = process(in1);
return OK;
}
int kperf() {
outargs[0] = process(inargs.myfltvec_data(0));
return OK;
}
};
#include <modload.h>
void csnd::on_load(Csound *csound) {
csnd::plugin<ArrayOp<lim1>>(csound, "limit1", "i[]", "i[]", csnd::thread::i);
csnd::plugin<ArrayOp<lim1>>(csound, "limit1", "k[]", "k[]", csnd::thread::ik);
csnd::plugin<ArrayOp<std::ceil>>(csound, "ceil", "i[]", "i[]",
csnd::thread::i);
csnd::plugin<ArrayOp<std::ceil>>(csound, "ceil", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::floor>>(csound, "floor", "i[]", "i[]",
csnd::thread::i);
csnd::plugin<ArrayOp<std::floor>>(csound, "floor", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::round>>(csound, "round", "i[]", "i[]",
csnd::thread::i);
csnd::plugin<ArrayOp<std::round>>(csound, "round", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::trunc>>(csound, "int", "i[]", "i[]",
csnd::thread::i);
csnd::plugin<ArrayOp<std::trunc>>(csound, "int", "k[]", "k[]",
csnd::thread::i);
csnd::plugin<ArrayOp<frac>>(csound, "frac", "i[]", "i[]", csnd::thread::i);
csnd::plugin<ArrayOp<frac>>(csound, "frac", "k[]", "k[]", csnd::thread::ik);
csnd::plugin<ArrayOp<std::exp2>>(csound, "powoftwo", "i[]", "i[]",
csnd::thread::i);
csnd::plugin<ArrayOp<std::exp2>>(csound, "powoftwo", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::fabs>>(csound, "abs", "i[]", "i[]",
csnd::thread::i);
csnd::plugin<ArrayOp<std::fabs>>(csound, "abs", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::log10>>(csound, "log2", "i[]", "i[]",
csnd::thread::i);
csnd::plugin<ArrayOp<std::log10>>(csound, "log2", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::log10>>(csound, "log10", "i[]", "i[]",
csnd::thread::i);
csnd::plugin<ArrayOp<std::log10>>(csound, "log10", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::log>>(csound, "log", "i[]", "i[]", csnd::thread::i);
csnd::plugin<ArrayOp<std::log>>(csound, "log", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::exp>>(csound, "exp", "i[]", "i[]", csnd::thread::i);
csnd::plugin<ArrayOp<std::exp>>(csound, "exp", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::sqrt>>(csound, "sqrt", "i[]", "i[]",
csnd::thread::i);
csnd::plugin<ArrayOp<std::sqrt>>(csound, "sqrt", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::cos>>(csound, "cos", "i[]", "i[]", csnd::thread::i);
csnd::plugin<ArrayOp<std::cos>>(csound, "cos", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::sin>>(csound, "sin", "i[]", "i[]", csnd::thread::i);
csnd::plugin<ArrayOp<std::sin>>(csound, "sin", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::tan>>(csound, "tan", "i[]", "i[]", csnd::thread::i);
csnd::plugin<ArrayOp<std::tan>>(csound, "tan", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::acos>>(csound, "cosinv", "i[]", "i[]",
csnd::thread::i);
csnd::plugin<ArrayOp<std::acos>>(csound, "cosinv", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::asin>>(csound, "sininv", "i[]", "i[]",
csnd::thread::i);
csnd::plugin<ArrayOp<std::asin>>(csound, "sininv", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::atan>>(csound, "taninv", "i[]", "i[]",
csnd::thread::i);
csnd::plugin<ArrayOp<std::atan>>(csound, "taninv", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::cosh>>(csound, "cosh", "i[]", "i[]",
csnd::thread::i);
csnd::plugin<ArrayOp<std::cosh>>(csound, "cosh", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::sinh>>(csound, "sinh", "i[]", "i[]",
csnd::thread::i);
csnd::plugin<ArrayOp<std::sinh>>(csound, "sinh", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::tanh>>(csound, "tanh", "i[]", "i[]",
csnd::thread::i);
csnd::plugin<ArrayOp<std::tanh>>(csound, "tanh", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp<std::cbrt>>(csound, "cbrt", "i[]", "i[]",
csnd::thread::i);
csnd::plugin<ArrayOp<std::cbrt>>(csound, "cbrt", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp2<std::atan2>>(csound, "taninv", "i[]", "i[]i[]",
csnd::thread::i);
csnd::plugin<ArrayOp2<std::atan2>>(csound, "taninv", "k[]", "k[]k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp2<std::pow>>(csound, "pow", "i[]", "i[]i[]",
csnd::thread::i);
csnd::plugin<ArrayOp2<std::pow>>(csound, "pow", "k[]", "k[]k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp2<std::hypot>>(csound, "hypot", "i[]", "i[]i[]",
csnd::thread::i);
csnd::plugin<ArrayOp2<std::hypot>>(csound, "hypot", "k[]", "k[]k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp2<std::fmod>>(csound, "fmod", "i[]", "i[]i[]",
csnd::thread::i);
csnd::plugin<ArrayOp2<std::fmod>>(csound, "fmod", "k[]", "k[]k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp2<std::fmax>>(csound, "fmax", "i[]", "i[]i[]",
csnd::thread::i);
csnd::plugin<ArrayOp2<std::fmax>>(csound, "fmax", "k[]", "k[]k[]",
csnd::thread::ik);
csnd::plugin<ArrayOp2<std::fmin>>(csound, "fmin", "i[]", "i[]i[]",
csnd::thread::i);
csnd::plugin<ArrayOp2<std::fmin>>(csound, "fmin", "k[]", "k[]k[]",
csnd::thread::ik);
csnd::plugin<ArraySort<std::less<MYFLT>>>(csound, "sorta", "i[]", "i[]",
csnd::thread::i);
csnd::plugin<ArraySort<std::greater<MYFLT>>>(csound, "sortd", "i[]", "i[]",
csnd::thread::i);
csnd::plugin<ArraySort<std::less<MYFLT>>>(csound, "sorta", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<ArraySort<std::greater<MYFLT>>>(csound, "sortd", "k[]", "k[]",
csnd::thread::ik);
csnd::plugin<Dot>(csound, "dot", "i", "i[]i[]", csnd::thread::i);
csnd::plugin<Dot>(csound, "dot", "k", "k[]k[]", csnd::thread::k);
csnd::plugin<Accum<std::multiplies<MYFLT>, 1>>(csound, "product", "k", "k[]",
csnd::thread::k);
csnd::plugin<Accum<std::plus<MYFLT>, 0>>(csound, "sum", "k", "k[]",
csnd::thread::k);
csnd::plugin<Accum<std::multiplies<MYFLT>, 1>>(csound, "product", "i", "i[]",
csnd::thread::i);
csnd::plugin<Accum<std::plus<MYFLT>, 0>>(csound, "sum", "i", "i[]",
csnd::thread::i);
csnd::plugin<ArrayOp4<limx>>(csound, "limit", "i[]", "i[]ii",
csnd::thread::i);
csnd::plugin<ArrayOp4<limx>>(csound, "limit", "k[]", "k[]kk",
csnd::thread::ik);
csnd::plugin<ArrayOp3<std::pow>>(csound, "pow", "i[]", "i[]i",
csnd::thread::i);
csnd::plugin<ArrayOp3<std::pow>>(csound, "pow", "k[]", "k[]k",
csnd::thread::ik);
csnd::plugin<ArrayOp3<std::fmod>>(csound, "fmod", "i[]", "i[]i",
csnd::thread::i);
csnd::plugin<ArrayOp3<std::fmod>>(csound, "fmod", "k[]", "k[]k",
csnd::thread::ik);
csnd::plugin<ArrayOp3<std::fmax>>(csound, "fmax", "i[]", "i[]i",
csnd::thread::i);
csnd::plugin<ArrayOp3<std::fmax>>(csound, "fmax", "k[]", "k[]k",
csnd::thread::ik);
csnd::plugin<ArrayOp3<std::fmin>>(csound, "fmin", "i[]", "i[]i",
csnd::thread::i);
csnd::plugin<ArrayOp3<std::fmin>>(csound, "fmin", "k[]", "k[]k",
csnd::thread::ik);
}
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