| 0,0 → 1,69 |
|---|
| /* |
| * Copyright (C) 2005 Josef Cejka |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef __sparc64_FADDR_H__ |
| #define __sparc64_FADDR_H__ |
| |
| #include <arch/types.h> |
| |
| #define FMATH_EXPONENT_BIAS 1023 |
| |
| typedef unsigned char fmath_ld_descr_t[8]; |
| |
| typedef union { double bf; unsigned char ldd[8]; } fmath_ld_union_t; |
| |
| /**returns exponent in binary encoding*/ |
| signed short fmath_get_binary_exponent(double num); |
| |
| /**returns exponent in decimal encoding*/ |
| double fmath_get_decimal_exponent(double num); |
| |
| /**returns mantisa in binary encoding */ |
| __u64 fmath_get_binary_mantisa(double num) ; |
| |
| /** Function for extract integer part from double |
| * @param num input value |
| * @param intp integer part of num |
| * @return non-integer part |
| */ |
| double fmath_fint(double num, double *intp); |
| |
| /** count base^exponent from positive exponent |
| * @param base |
| * @param exponent - Must be > 0.0 |
| * @return base^exponent or 0.0 (if exponent <=0.0) |
| */ |
| double fmath_dpow(double base, double exponent) ; |
| |
| /** return 1, if num is NaN */ |
| int fmath_is_nan(double num); |
| |
| /** return 1, if fmath is a infinity */ |
| int fmath_is_infinity(double num); |
| |
| #endif |