Module: Numo::NMath

Defined in:
ext/numo/narray/math.c

Constant Summary

DISPATCH = 
hCast

Class Method Summary collapse

Class Method Details

.method_missing(name, x, ...) ⇒ NArray

Dispatches method to Math module of upcasted type, eg, Numo::DFloat::Math.

Parameters:

  • name (Symbol) —

    method name.

  • x (NArray, Numeric) —

    input array.

Returns:



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# File 'ext/numo/narray/math.c', line 85

VALUE nary_math_method_missing(int argc, VALUE *argv, VALUE mod)
{
    VALUE type, ans, typemod, hash;
    if (argc>1) {
	type = nary_mathcast(argc-1,argv+1);

	hash = rb_const_get(mod, id_DISPATCH);
	typemod = rb_hash_aref( hash, type );
	if (NIL_P(typemod)) {
	    rb_raise(rb_eTypeError,"%s is unknown for Numo::NMath",
		     rb_class2name(type));
	}

	ans = rb_funcall2(typemod,id_send,argc,argv);

	if (!RTEST(rb_class_inherited_p(type,cNArray)) &&
	    IsNArray(ans) ) {
	    ans = rb_funcall(ans,id_extract,0);
	}
	return ans;
    }
    rb_raise(rb_eArgError,"argument or method missing");
    return Qnil;
}