Class: Vdsp::DoubleArray

Inherits:
Object
  • Object
show all
Includes:
Enumerable, Array
Defined in:
ext/vdsp/vdsp.c

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Array

#blkman_window, #hamm_window, #hann_window, #length

Constructor Details

#initialize(length) ⇒ Object

Vdsp::DoubleArray



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# File 'ext/vdsp/vdsp.c', line 191

VALUE rb_double_array_initialize(VALUE self, VALUE length)
{
  if (!FIXNUM_P(length)) {
    rb_raise(rb_eArgError, "Integer required: length");
  }
  long _length = FIX2LONG(length);

  VdspArrayNativeResource *p = ALLOC(VdspArrayNativeResource);
  p->v.ptr = NULL;
  p->length = 0;

  VALUE resource = Data_Wrap_Struct(CLASS_OF(self), 0, vdsp_array_native_resource_delete, p);
  rb_iv_set(self, "native_resource", resource);

  p->v.ptr = calloc(_length, sizeof(double));
  p->length = _length;

  return self;
}

Class Method Details

.blkman_window(*args) ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 790

VALUE rb_double_array_blkman_window(int argc, const VALUE *argv, VALUE cls)
{
  rb_check_arity(argc, 1, 2);
  VALUE n = argv[0];

  vDSP_Length _n = NUM2LONG(n);
  int flag = 0;
  if (argc==2) {
    flag = (int)NUM2LONG(argv[1]);
  }

  VALUE c = rb_class_new_instance(1, &n, rb_cDoubleArray);
  VdspArrayNativeResource *_c = get_vdsp_array_native_resource(c);

  vDSP_blkman_windowD(_c->v.d, _n, flag);

  return c;
}

.create(ary) ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 273

VALUE rb_double_array_create(VALUE cls, VALUE ary)
{
  if (rb_obj_is_kind_of(ary, rb_mVdspArray)) {
    return rb_funcall(ary, rb_intern("to_da"), 0);
  }
  if (!RB_TYPE_P(ary, T_ARRAY)) {
    rb_raise(rb_eArgError, "Array required");
  }

  VALUE len = LONG2NUM(RARRAY_LEN(ary));
  VALUE obj = rb_class_new_instance(1, &len, rb_cDoubleArray);
  rb_double_array_set_values(obj, ary);

  return obj;
}

.hamm_window(*args) ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 809

VALUE rb_double_array_hamm_window(int argc, const VALUE *argv, VALUE cls)
{
  rb_check_arity(argc, 1, 2);
  VALUE n = argv[0];

  vDSP_Length _n = NUM2LONG(n);
  int flag = 0;
  if (argc==2) {
    flag = (int)NUM2LONG(argv[1]);
  }

  VALUE c = rb_class_new_instance(1, &n, rb_cDoubleArray);
  VdspArrayNativeResource *_c = get_vdsp_array_native_resource(c);

  vDSP_hamm_windowD(_c->v.d, _n, flag);

  return c;
}

.hann_window(*args) ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 828

VALUE rb_double_array_hann_window(int argc, const VALUE *argv, VALUE cls)
{
  rb_check_arity(argc, 1, 2);
  VALUE n = argv[0];

  vDSP_Length _n = NUM2LONG(n);
  int flag = 0;
  if (argc==2) {
    flag = (int)NUM2LONG(argv[1]);
  }

  VALUE c = rb_class_new_instance(1, &n, rb_cDoubleArray);
  VdspArrayNativeResource *_c = get_vdsp_array_native_resource(c);

  vDSP_hann_windowD(_c->v.d, _n, flag);

  return c;
}

.vgen(a, b, n) ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 776

VALUE rb_double_array_vgen(VALUE cls, VALUE a, VALUE b, VALUE n)
{
  double _a = NUM2DBL(a);
  double _b = NUM2DBL(b);
  vDSP_Length _n = NUM2LONG(n);

  VALUE c = rb_class_new_instance(1, &n, rb_cDoubleArray);
  VdspArrayNativeResource *_c = get_vdsp_array_native_resource(c);

  vDSP_vgenD(&_a, &_b, _c->v.d, 1, _n);

  return c;
}

.vramp(a, b, n) ⇒ Object

Vdsp::DoubleArray Vector Generation



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# File 'ext/vdsp/vdsp.c', line 762

VALUE rb_double_array_vramp(VALUE cls, VALUE a, VALUE b, VALUE n)
{
  double _a = NUM2DBL(a);
  double _b = NUM2DBL(b);
  vDSP_Length _n = NUM2LONG(n);

  VALUE c = rb_class_new_instance(1, &n, rb_cDoubleArray);
  VdspArrayNativeResource *_c = get_vdsp_array_native_resource(c);

  vDSP_vrampD(&_a, &_b, _c->v.d, 1, _n);

  return c;
}

Instance Method Details

#*(other) ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 360

VALUE rb_double_array_mul(VALUE self, VALUE other)
{
  if (rb_obj_is_kind_of(other, rb_mVdspArray)) {
    other = rb_funcall(other, rb_intern("to_da"), 0);

    VdspArrayNativeResource *_a = get_vdsp_array_native_resource(self);
    VdspArrayNativeResource *_b = get_vdsp_array_native_resource(other);

    vDSP_Length len = MIN(_a->length, _b->length);
    VALUE lenv = LONG2NUM(len);
    VALUE c = rb_class_new_instance(1, &lenv, rb_cDoubleArray);
    VdspArrayNativeResource *_c = get_vdsp_array_native_resource(c);

    vDSP_vmulD(_a->v.d, 1, _b->v.d, 1, _c->v.d, 1, len);
    return c;

  } else if (rb_obj_is_kind_of(other, rb_cNumeric)) {
    other = rb_funcall(other, rb_intern("to_f"), 0);
    double _b = NUM2DBL(other);

    VdspArrayNativeResource *_a = get_vdsp_array_native_resource(self);
    VALUE lenv = LONG2NUM(_a->length);
    VALUE c = rb_class_new_instance(1, &lenv, rb_cDoubleArray);
    VdspArrayNativeResource *_c = get_vdsp_array_native_resource(c);

    vDSP_vsmulD(_a->v.d, 1, &_b, _c->v.d, 1, _a->length);
    return c;

  } else {
    return rb_num_coerce_bin(self, other, '*');
  }
}

#+(other) ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 294

VALUE rb_double_array_plus(VALUE self, VALUE other)
{
  if (rb_obj_is_kind_of(other, rb_mVdspArray)) {
    other = rb_funcall(other, rb_intern("to_da"), 0);

    VdspArrayNativeResource *_a = get_vdsp_array_native_resource(self);
    VdspArrayNativeResource *_b = get_vdsp_array_native_resource(other);

    vDSP_Length len = MIN(_a->length, _b->length);
    VALUE lenv = LONG2NUM(len);
    VALUE c = rb_class_new_instance(1, &lenv, rb_cDoubleArray);
    VdspArrayNativeResource *_c = get_vdsp_array_native_resource(c);

    vDSP_vaddD(_a->v.d, 1, _b->v.d, 1, _c->v.d, 1, len);
    return c;

  } else if (rb_obj_is_kind_of(other, rb_cNumeric)) {
    other = rb_funcall(other, rb_intern("to_f"), 0);
    double _b = NUM2DBL(other);

    VdspArrayNativeResource *_a = get_vdsp_array_native_resource(self);
    VALUE lenv = LONG2NUM(_a->length);
    VALUE c = rb_class_new_instance(1, &lenv, rb_cDoubleArray);
    VdspArrayNativeResource *_c = get_vdsp_array_native_resource(c);

    vDSP_vsaddD(_a->v.d, 1, &_b, _c->v.d, 1, _a->length);
    return c;

  } else {
    return rb_num_coerce_bin(self, other, '+');
  }
}

#-(other) ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 327

VALUE rb_double_array_minus(VALUE self, VALUE other)
{
  if (rb_obj_is_kind_of(other, rb_mVdspArray)) {
    other = rb_funcall(other, rb_intern("to_da"), 0);

    VdspArrayNativeResource *_a = get_vdsp_array_native_resource(self);
    VdspArrayNativeResource *_b = get_vdsp_array_native_resource(other);

    vDSP_Length len = MIN(_a->length, _b->length);
    VALUE lenv = LONG2NUM(len);
    VALUE c = rb_class_new_instance(1, &lenv, rb_cDoubleArray);
    VdspArrayNativeResource *_c = get_vdsp_array_native_resource(c);

    vDSP_vsubD(_b->v.d, 1, _a->v.d, 1, _c->v.d, 1, len);
    return c;

  } else if (rb_obj_is_kind_of(other, rb_cNumeric)) {
    other = rb_funcall(other, rb_intern("to_f"), 0);
    double _b = -NUM2DBL(other);

    VdspArrayNativeResource *_a = get_vdsp_array_native_resource(self);
    VALUE lenv = LONG2NUM(_a->length);
    VALUE c = rb_class_new_instance(1, &lenv, rb_cDoubleArray);
    VdspArrayNativeResource *_c = get_vdsp_array_native_resource(c);

    vDSP_vsaddD(_a->v.d, 1, &_b, _c->v.d, 1, _a->length);
    return c;

  } else {
    return rb_num_coerce_bin(self, other, '-');
  }
}

#/(other) ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 393

VALUE rb_double_array_div(VALUE self, VALUE other)
{
  if (rb_obj_is_kind_of(other, rb_mVdspArray)) {
    other = rb_funcall(other, rb_intern("to_da"), 0);

    VdspArrayNativeResource *_a = get_vdsp_array_native_resource(self);
    VdspArrayNativeResource *_b = get_vdsp_array_native_resource(other);

    vDSP_Length len = MIN(_a->length, _b->length);
    VALUE lenv = LONG2NUM(len);
    VALUE c = rb_class_new_instance(1, &lenv, rb_cDoubleArray);
    VdspArrayNativeResource *_c = get_vdsp_array_native_resource(c);

    vDSP_vdivD(_a->v.d, 1, _b->v.d, 1, _c->v.d, 1, len);
    return c;

  } else if (rb_obj_is_kind_of(other, rb_cNumeric)) {
    other = rb_funcall(other, rb_intern("to_f"), 0);
    double _b = NUM2DBL(other);

    VdspArrayNativeResource *_a = get_vdsp_array_native_resource(self);
    VALUE lenv = LONG2NUM(_a->length);
    VALUE c = rb_class_new_instance(1, &lenv, rb_cDoubleArray);
    VdspArrayNativeResource *_c = get_vdsp_array_native_resource(c);

    vDSP_vsdivD(_a->v.d, 1, &_b, _c->v.d, 1, _a->length);
    return c;

  } else {
    return rb_num_coerce_bin(self, other, '/');
  }
}

#[](*args) ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 496

VALUE rb_double_array_aref(int argc, const VALUE *argv, VALUE self)
{
  rb_check_arity(argc, 1, 2);

  if (argc == 2) {
    return rb_double_array_aref2(self, argv[0], argv[1]);
  }
  return rb_double_array_aref1(self, argv[0]);
}

#[]=(*args) ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 604

VALUE rb_double_array_aset(int argc, const VALUE *argv, VALUE self)
{
  long offset, beg, len;
  VALUE val;

  if (argc == 3) {
    beg = NUM2LONG(argv[0]);
    len = NUM2LONG(argv[1]);
    val = argv[2];
    return double_array_aset2(self, beg, len, val);
  }

  rb_check_arity(argc, 2, 2);

  if (FIXNUM_P(argv[0])) {
    offset = FIX2LONG(argv[0]);
    val = argv[1];
    return double_array_aset1(self, offset, val);
  }

  VdspArrayNativeResource *_a = get_vdsp_array_native_resource(self);
  if (rb_range_beg_len(argv[0], &beg, &len, _a->length, 1)) {
    val = argv[1];
    return double_array_aset2(self, beg, len, val);
  }

  offset = NUM2LONG(argv[0]);
  val = argv[1];
  return double_array_aset1(self, offset, val);
}

#abs ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 696

VALUE rb_double_array_abs(VALUE self)
{
  VdspArrayNativeResource *_a = get_vdsp_array_native_resource(self);

  VALUE lenv = LONG2NUM(_a->length);
  VALUE c = rb_class_new_instance(1, &lenv, rb_cDoubleArray);
  VdspArrayNativeResource *_c = get_vdsp_array_native_resource(c);

  vDSP_vabsD(_a->v.d, 1, _c->v.d, 1, _a->length);

  return c;
}

#abs! ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 709

VALUE rb_double_array_abs_bang(VALUE self)
{
  VdspArrayNativeResource *_a = get_vdsp_array_native_resource(self);

  vDSP_vabsD(_a->v.d, 1, _a->v.d, 1, _a->length);

  return self;
}

#clear! ⇒ Object

Vdsp::DoubleArray Vector Clear and Fill Functions



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# File 'ext/vdsp/vdsp.c', line 847

VALUE rb_double_array_clear_bang(VALUE self)
{
  VdspArrayNativeResource *p = get_vdsp_array_native_resource(self);
  vDSP_vclrD(p->v.d, 1, p->length);
  return self;
}

#coerce(other) ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 635

VALUE rb_double_array_coerce(VALUE self, VALUE other)
{
  other = rb_class_new_instance(1, &other, rb_cDoubleScalar);
  return rb_assoc_new(other, self);
}

#concat(*args) ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 667

VALUE rb_double_array_concat(int argc, const VALUE *argv, VALUE self)
{
  rb_check_frozen(self);
  rb_check_arity(argc, 1, UNLIMITED_ARGUMENTS);

  VdspArrayNativeResource *_a = get_vdsp_array_native_resource(self);
  VdspArrayNativeResource *_argv[argc];

  unsigned long len = _a->length;
  unsigned long new_len = len;
  for (long i=0; i<argc; i++) {
    VALUE arg = rb_funcall(argv[i], rb_intern("to_da"), 0);
    _argv[i] = get_vdsp_array_native_resource(arg);
    new_len += _argv[i]->length;
  }

  double_array_resize(_a, new_len);

  new_len = len;
  for (long i=0; i<argc; i++) {
    VdspArrayNativeResource *_b = _argv[i];
    memcpy(_a->v.d+new_len, _b->v.d, _b->length * sizeof(double));
    new_len += _b->length;
  }
  _a->length = new_len;

  return self;
}

#each ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 247

VALUE rb_double_array_each(VALUE self)
{
  VdspArrayNativeResource *p = get_vdsp_array_native_resource(self);
  double *d = p->v.d;

  RETURN_ENUMERATOR(self, 0, 0);

  for (unsigned long i=0; i<p->length; i++) {
      rb_yield(DBL2NUM(d[i]));
  }
  return self;
}

#fill!(a) ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 854

VALUE rb_double_array_fill_bang(VALUE self, VALUE a)
{
  double _a = NUM2DBL(a);
  VdspArrayNativeResource *p = get_vdsp_array_native_resource(self);
  vDSP_vfillD(&_a, p->v.d, 1, p->length);
  return self;
}

#maxmgv ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 870

VALUE rb_double_array_maxmgv(VALUE self)
{
  VdspArrayNativeResource *p = get_vdsp_array_native_resource(self);
  double _c;
  vDSP_maxmgvD(p->v.d, 1, &_c, p->length);
  return DBL2NUM(_c);
}

#maxv ⇒ Object

Vdsp::DoubleArray Vector Extrema Calculation



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# File 'ext/vdsp/vdsp.c', line 862

VALUE rb_double_array_maxv(VALUE self)
{
  VdspArrayNativeResource *p = get_vdsp_array_native_resource(self);
  double _c;
  vDSP_maxvD(p->v.d, 1, &_c, p->length);
  return DBL2NUM(_c);
}

#meamgv ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 902

VALUE rb_double_array_meamgv(VALUE self)
{
  VdspArrayNativeResource *p = get_vdsp_array_native_resource(self);
  double _c;
  vDSP_meamgvD(p->v.d, 1, &_c, p->length);
  return DBL2NUM(_c);
}

#meanv ⇒ Object

Vdsp::DoubleArray Vector Average Calculation



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# File 'ext/vdsp/vdsp.c', line 894

VALUE rb_double_array_meanv(VALUE self)
{
  VdspArrayNativeResource *p = get_vdsp_array_native_resource(self);
  double _c;
  vDSP_meanvD(p->v.d, 1, &_c, p->length);
  return DBL2NUM(_c);
}

#measqv ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 910

VALUE rb_double_array_measqv(VALUE self)
{
  VdspArrayNativeResource *p = get_vdsp_array_native_resource(self);
  double _c;
  vDSP_measqvD(p->v.d, 1, &_c, p->length);
  return DBL2NUM(_c);
}

#minmgv ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 886

VALUE rb_double_array_minmgv(VALUE self)
{
  VdspArrayNativeResource *p = get_vdsp_array_native_resource(self);
  double _c;
  vDSP_minmgvD(p->v.d, 1, &_c, p->length);
  return DBL2NUM(_c);
}

#minv ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 878

VALUE rb_double_array_minv(VALUE self)
{
  VdspArrayNativeResource *p = get_vdsp_array_native_resource(self);
  double _c;
  vDSP_minvD(p->v.d, 1, &_c, p->length);
  return DBL2NUM(_c);
}

#mvessq ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 918

VALUE rb_double_array_mvessq(VALUE self)
{
  VdspArrayNativeResource *p = get_vdsp_array_native_resource(self);
  double _c;
  vDSP_mvessqD(p->v.d, 1, &_c, p->length);
  return DBL2NUM(_c);
}

#nabs ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 718

VALUE rb_double_array_nabs(VALUE self)
{
  VdspArrayNativeResource *_a = get_vdsp_array_native_resource(self);

  VALUE lenv = LONG2NUM(_a->length);
  VALUE c = rb_class_new_instance(1, &lenv, rb_cDoubleArray);
  VdspArrayNativeResource *_c = get_vdsp_array_native_resource(c);

  vDSP_vnabsD(_a->v.d, 1, _c->v.d, 1, _a->length);

  return c;
}

#nabs! ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 731

VALUE rb_double_array_nabs_bang(VALUE self)
{
  VdspArrayNativeResource *_a = get_vdsp_array_native_resource(self);

  vDSP_vnabsD(_a->v.d, 1, _a->v.d, 1, _a->length);

  return self;
}

#negative ⇒ Object Also known as: neg 



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# File 'ext/vdsp/vdsp.c', line 740

VALUE rb_double_array_negative(VALUE self)
{
  VdspArrayNativeResource *_a = get_vdsp_array_native_resource(self);

  VALUE lenv = LONG2NUM(_a->length);
  VALUE c = rb_class_new_instance(1, &lenv, rb_cDoubleArray);
  VdspArrayNativeResource *_c = get_vdsp_array_native_resource(c);

  vDSP_vnegD(_a->v.d, 1, _c->v.d, 1, _a->length);

  return c;
}

#negative! ⇒ Object Also known as: neg! 



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# File 'ext/vdsp/vdsp.c', line 753

VALUE rb_double_array_negative_bang(VALUE self)
{
  VdspArrayNativeResource *_a = get_vdsp_array_native_resource(self);

  vDSP_vnegD(_a->v.d, 1, _a->v.d, 1, _a->length);

  return self;
}

#resize(size) ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 656

VALUE rb_double_array_resize(VALUE self, VALUE size)
{
  unsigned long len = NUM2LONG(size);

  VdspArrayNativeResource *_a = get_vdsp_array_native_resource(self);
  double_array_resize(_a, len);
  _a->length = len;

  return self;
}

#rmsqv ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 926

VALUE rb_double_array_rmsqv(VALUE self)
{
  VdspArrayNativeResource *p = get_vdsp_array_native_resource(self);
  double _c;
  vDSP_rmsqvD(p->v.d, 1, &_c, p->length);
  return DBL2NUM(_c);
}

#slice(*args) ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 496

VALUE rb_double_array_aref(int argc, const VALUE *argv, VALUE self)
{
  rb_check_arity(argc, 1, 2);

  if (argc == 2) {
    return rb_double_array_aref2(self, argv[0], argv[1]);
  }
  return rb_double_array_aref1(self, argv[0]);
}

#sve ⇒ Object

Vdsp::DoubleArray Vector Summation



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# File 'ext/vdsp/vdsp.c', line 934

VALUE rb_double_array_sve(VALUE self)
{
  VdspArrayNativeResource *p = get_vdsp_array_native_resource(self);
  double _c;
  vDSP_sveD(p->v.d, 1, &_c, p->length);
  return DBL2NUM(_c);
}

#sve_svesq ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 958

VALUE rb_double_array_sve_svesq(VALUE self)
{
  VdspArrayNativeResource *p = get_vdsp_array_native_resource(self);
  double _sum;
  double _sum_of_squares;
  vDSP_sve_svesqD(p->v.d, 1, &_sum, &_sum_of_squares, p->length);
  return rb_assoc_new(DBL2NUM(_sum), DBL2NUM(_sum_of_squares));
}

#svemg ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 942

VALUE rb_double_array_svemg(VALUE self)
{
  VdspArrayNativeResource *p = get_vdsp_array_native_resource(self);
  double _c;
  vDSP_svemgD(p->v.d, 1, &_c, p->length);
  return DBL2NUM(_c);
}

#svesq ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 950

VALUE rb_double_array_svesq(VALUE self)
{
  VdspArrayNativeResource *p = get_vdsp_array_native_resource(self);
  double _c;
  vDSP_svesqD(p->v.d, 1, &_c, p->length);
  return DBL2NUM(_c);
}

#svs ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 967

VALUE rb_double_array_svs(VALUE self)
{
  VdspArrayNativeResource *p = get_vdsp_array_native_resource(self);
  double _c;
  vDSP_svsD(p->v.d, 1, &_c, p->length);
  return DBL2NUM(_c);
}

#to_a ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 260

VALUE rb_double_array_get_values(VALUE self)
{
  VdspArrayNativeResource *p = get_vdsp_array_native_resource(self);
  double *d = p->v.d;

  VALUE ret = rb_ary_new2(p->length);
  for (unsigned long i=0; i<p->length; i++) {
    rb_ary_push(ret, DBL2NUM(d[i]));
  }

  return ret;
}

#to_da ⇒ Object 



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# File 'ext/vdsp/vdsp.c', line 289

VALUE rb_double_array_to_da(VALUE self)
{
  return self;
}