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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/parisc/math-emu/fcnvfxt.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/parisc/math-emu/fcnvfxt.c')
-rw-r--r-- | ANDROID_3.4.5/arch/parisc/math-emu/fcnvfxt.c | 328 |
1 files changed, 0 insertions, 328 deletions
diff --git a/ANDROID_3.4.5/arch/parisc/math-emu/fcnvfxt.c b/ANDROID_3.4.5/arch/parisc/math-emu/fcnvfxt.c deleted file mode 100644 index 8b9010c4..00000000 --- a/ANDROID_3.4.5/arch/parisc/math-emu/fcnvfxt.c +++ /dev/null @@ -1,328 +0,0 @@ -/* - * Linux/PA-RISC Project (http://www.parisc-linux.org/) - * - * Floating-point emulation code - * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -/* - * BEGIN_DESC - * - * File: - * @(#) pa/spmath/fcnvfxt.c $Revision: 1.1 $ - * - * Purpose: - * Single Floating-point to Single Fixed-point /w truncated result - * Single Floating-point to Double Fixed-point /w truncated result - * Double Floating-point to Single Fixed-point /w truncated result - * Double Floating-point to Double Fixed-point /w truncated result - * - * External Interfaces: - * dbl_to_dbl_fcnvfxt(srcptr,nullptr,dstptr,status) - * dbl_to_sgl_fcnvfxt(srcptr,nullptr,dstptr,status) - * sgl_to_dbl_fcnvfxt(srcptr,nullptr,dstptr,status) - * sgl_to_sgl_fcnvfxt(srcptr,nullptr,dstptr,status) - * - * Internal Interfaces: - * - * Theory: - * <<please update with a overview of the operation of this file>> - * - * END_DESC -*/ - - -#include "float.h" -#include "sgl_float.h" -#include "dbl_float.h" -#include "cnv_float.h" - -/* - * Convert single floating-point to single fixed-point format - * with truncated result - */ -/*ARGSUSED*/ -int -sgl_to_sgl_fcnvfxt( - sgl_floating_point *srcptr, - unsigned int *nullptr, - int *dstptr, - unsigned int *status) -{ - register unsigned int src, temp; - register int src_exponent, result; - - src = *srcptr; - src_exponent = Sgl_exponent(src) - SGL_BIAS; - - /* - * Test for overflow - */ - if (src_exponent > SGL_FX_MAX_EXP) { - /* check for MININT */ - if ((src_exponent > SGL_FX_MAX_EXP + 1) || - Sgl_isnotzero_mantissa(src) || Sgl_iszero_sign(src)) { - if (Sgl_iszero_sign(src)) result = 0x7fffffff; - else result = 0x80000000; - - if (Is_invalidtrap_enabled()) { - return(INVALIDEXCEPTION); - } - Set_invalidflag(); - *dstptr = result; - return(NOEXCEPTION); - } - } - /* - * Generate result - */ - if (src_exponent >= 0) { - temp = src; - Sgl_clear_signexponent_set_hidden(temp); - Int_from_sgl_mantissa(temp,src_exponent); - if (Sgl_isone_sign(src)) result = -Sgl_all(temp); - else result = Sgl_all(temp); - *dstptr = result; - - /* check for inexact */ - if (Sgl_isinexact_to_fix(src,src_exponent)) { - if (Is_inexacttrap_enabled()) return(INEXACTEXCEPTION); - else Set_inexactflag(); - } - } - else { - *dstptr = 0; - - /* check for inexact */ - if (Sgl_isnotzero_exponentmantissa(src)) { - if (Is_inexacttrap_enabled()) return(INEXACTEXCEPTION); - else Set_inexactflag(); - } - } - return(NOEXCEPTION); -} - -/* - * Single Floating-point to Double Fixed-point - */ -/*ARGSUSED*/ -int -sgl_to_dbl_fcnvfxt( - sgl_floating_point *srcptr, - unsigned int *nullptr, - dbl_integer *dstptr, - unsigned int *status) -{ - register int src_exponent, resultp1; - register unsigned int src, temp, resultp2; - - src = *srcptr; - src_exponent = Sgl_exponent(src) - SGL_BIAS; - - /* - * Test for overflow - */ - if (src_exponent > DBL_FX_MAX_EXP) { - /* check for MININT */ - if ((src_exponent > DBL_FX_MAX_EXP + 1) || - Sgl_isnotzero_mantissa(src) || Sgl_iszero_sign(src)) { - if (Sgl_iszero_sign(src)) { - resultp1 = 0x7fffffff; - resultp2 = 0xffffffff; - } - else { - resultp1 = 0x80000000; - resultp2 = 0; - } - if (Is_invalidtrap_enabled()) { - return(INVALIDEXCEPTION); - } - Set_invalidflag(); - Dint_copytoptr(resultp1,resultp2,dstptr); - return(NOEXCEPTION); - } - Dint_set_minint(resultp1,resultp2); - Dint_copytoptr(resultp1,resultp2,dstptr); - return(NOEXCEPTION); - } - /* - * Generate result - */ - if (src_exponent >= 0) { - temp = src; - Sgl_clear_signexponent_set_hidden(temp); - Dint_from_sgl_mantissa(temp,src_exponent,resultp1,resultp2); - if (Sgl_isone_sign(src)) { - Dint_setone_sign(resultp1,resultp2); - } - Dint_copytoptr(resultp1,resultp2,dstptr); - - /* check for inexact */ - if (Sgl_isinexact_to_fix(src,src_exponent)) { - if (Is_inexacttrap_enabled()) return(INEXACTEXCEPTION); - else Set_inexactflag(); - } - } - else { - Dint_setzero(resultp1,resultp2); - Dint_copytoptr(resultp1,resultp2,dstptr); - - /* check for inexact */ - if (Sgl_isnotzero_exponentmantissa(src)) { - if (Is_inexacttrap_enabled()) return(INEXACTEXCEPTION); - else Set_inexactflag(); - } - } - return(NOEXCEPTION); -} - -/* - * Double Floating-point to Single Fixed-point - */ -/*ARGSUSED*/ -int -dbl_to_sgl_fcnvfxt( - dbl_floating_point *srcptr, - unsigned int *nullptr, - int *dstptr, - unsigned int *status) -{ - register unsigned int srcp1, srcp2, tempp1, tempp2; - register int src_exponent, result; - - Dbl_copyfromptr(srcptr,srcp1,srcp2); - src_exponent = Dbl_exponent(srcp1) - DBL_BIAS; - - /* - * Test for overflow - */ - if (src_exponent > SGL_FX_MAX_EXP) { - /* check for MININT */ - if (Dbl_isoverflow_to_int(src_exponent,srcp1,srcp2)) { - if (Dbl_iszero_sign(srcp1)) result = 0x7fffffff; - else result = 0x80000000; - - if (Is_invalidtrap_enabled()) { - return(INVALIDEXCEPTION); - } - Set_invalidflag(); - *dstptr = result; - return(NOEXCEPTION); - } - } - /* - * Generate result - */ - if (src_exponent >= 0) { - tempp1 = srcp1; - tempp2 = srcp2; - Dbl_clear_signexponent_set_hidden(tempp1); - Int_from_dbl_mantissa(tempp1,tempp2,src_exponent); - if (Dbl_isone_sign(srcp1) && (src_exponent <= SGL_FX_MAX_EXP)) - result = -Dbl_allp1(tempp1); - else result = Dbl_allp1(tempp1); - *dstptr = result; - - /* check for inexact */ - if (Dbl_isinexact_to_fix(srcp1,srcp2,src_exponent)) { - if (Is_inexacttrap_enabled()) return(INEXACTEXCEPTION); - else Set_inexactflag(); - } - } - else { - *dstptr = 0; - - /* check for inexact */ - if (Dbl_isnotzero_exponentmantissa(srcp1,srcp2)) { - if (Is_inexacttrap_enabled()) return(INEXACTEXCEPTION); - else Set_inexactflag(); - } - } - return(NOEXCEPTION); -} - -/* - * Double Floating-point to Double Fixed-point - */ -/*ARGSUSED*/ -int -dbl_to_dbl_fcnvfxt( - dbl_floating_point *srcptr, - unsigned int *nullptr, - dbl_integer *dstptr, - unsigned int *status) -{ - register int src_exponent, resultp1; - register unsigned int srcp1, srcp2, tempp1, tempp2, resultp2; - - Dbl_copyfromptr(srcptr,srcp1,srcp2); - src_exponent = Dbl_exponent(srcp1) - DBL_BIAS; - - /* - * Test for overflow - */ - if (src_exponent > DBL_FX_MAX_EXP) { - /* check for MININT */ - if ((src_exponent > DBL_FX_MAX_EXP + 1) || - Dbl_isnotzero_mantissa(srcp1,srcp2) || Dbl_iszero_sign(srcp1)) { - if (Dbl_iszero_sign(srcp1)) { - resultp1 = 0x7fffffff; - resultp2 = 0xffffffff; - } - else { - resultp1 = 0x80000000; - resultp2 = 0; - } - if (Is_invalidtrap_enabled()) { - return(INVALIDEXCEPTION); - } - Set_invalidflag(); - Dint_copytoptr(resultp1,resultp2,dstptr); - return(NOEXCEPTION); - } - } - /* - * Generate result - */ - if (src_exponent >= 0) { - tempp1 = srcp1; - tempp2 = srcp2; - Dbl_clear_signexponent_set_hidden(tempp1); - Dint_from_dbl_mantissa(tempp1,tempp2,src_exponent, - resultp1,resultp2); - if (Dbl_isone_sign(srcp1)) { - Dint_setone_sign(resultp1,resultp2); - } - Dint_copytoptr(resultp1,resultp2,dstptr); - - /* check for inexact */ - if (Dbl_isinexact_to_fix(srcp1,srcp2,src_exponent)) { - if (Is_inexacttrap_enabled()) return(INEXACTEXCEPTION); - else Set_inexactflag(); - } - } - else { - Dint_setzero(resultp1,resultp2); - Dint_copytoptr(resultp1,resultp2,dstptr); - - /* check for inexact */ - if (Dbl_isnotzero_exponentmantissa(srcp1,srcp2)) { - if (Is_inexacttrap_enabled()) return(INEXACTEXCEPTION); - else Set_inexactflag(); - } - } - return(NOEXCEPTION); -} |