1 /* SPARC floating point unit related functions. 2 Copyright (C) 2001-2010 Roberto Bagnara <bagnara@cs.unipr.it> 3 Copyright (C) 2010-2016 BUGSENG srl (http://bugseng.com) 4 5 This file is part of the Parma Polyhedra Library (PPL). 6 7 The PPL is free software; you can redistribute it and/or modify it 8 under the terms of the GNU General Public License as published by the 9 Free Software Foundation; either version 3 of the License, or (at your 10 option) any later version. 11 12 The PPL is distributed in the hope that it will be useful, but WITHOUT 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, write to the Free Software Foundation, 19 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307, USA. 20 21 For the most up-to-date information see the Parma Polyhedra Library 22 site: http://bugseng.com/products/ppl/ . */ 23 24 #ifndef PPL_fpu_sparc_inlines_hh 25 #define PPL_fpu_sparc_inlines_hh 1 26 27 #ifdef PPL_HAVE_IEEEFP_H 28 #include <ieeefp.h> 29 30 #define PPL_FPU_TONEAREST ((int) FP_RN) 31 #define PPL_FPU_UPWARD ((int) FP_RP) 32 #define PPL_FPU_DOWNWARD ((int) FP_RM) 33 #define PPL_FPU_TOWARDZERO ((int) FP_RZ) 34 35 namespace Parma_Polyhedra_Library { 36 37 inline void fpu_initialize_control_functions()38fpu_initialize_control_functions() { 39 } 40 41 inline fpu_rounding_direction_type fpu_get_rounding_direction()42fpu_get_rounding_direction() { 43 return static_cast<fpu_rounding_direction_type>(fpgetround()); 44 } 45 46 inline void fpu_set_rounding_direction(fpu_rounding_direction_type dir)47fpu_set_rounding_direction(fpu_rounding_direction_type dir) { 48 fpsetround((fp_rnd) dir); 49 } 50 51 inline fpu_rounding_control_word_type fpu_save_rounding_direction(fpu_rounding_direction_type dir)52fpu_save_rounding_direction(fpu_rounding_direction_type dir) { 53 return static_cast<fpu_rounding_control_word_type>(fpsetround((fp_rnd) dir)); 54 } 55 56 inline void fpu_reset_inexact()57fpu_reset_inexact() { 58 fp_except except = fpgetmask(); 59 except &= ~FP_X_IMP; 60 fpsetmask(except); 61 } 62 63 inline void fpu_restore_rounding_direction(fpu_rounding_control_word_type w)64fpu_restore_rounding_direction(fpu_rounding_control_word_type w) { 65 fpsetround((fp_rnd) w); 66 } 67 68 inline int fpu_check_inexact()69fpu_check_inexact() { 70 return (fpgetmask() & FP_X_IMP) ? 1 : 0; 71 } 72 73 } // namespace Parma_Polyhedra_Library 74 75 #endif // !defined(PPL_HAVE_IEEEFP_H) 76 77 #endif // !defined(PPL_fpu_sparc_inlines_hh) 78