/* Copyright JS Foundation and other contributors, http://js.foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * This file is based on work under the following copyright and permission * notice: * * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. * * Developed at SunSoft, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * * @(#)s_finite.c 1.3 95/01/18 */ #include "jerry-libm-internal.h" /* finite(x) returns 1 is x is finite, else 0; * no branching! */ int finite (double x) { int hx; hx = __HI (x); return (unsigned) ((hx & 0x7fffffff) - 0x7ff00000) >> 31; } /* finite */