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Diffstat (limited to 'math/e_exp2_template.c')
-rw-r--r-- | math/e_exp2_template.c | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/math/e_exp2_template.c b/math/e_exp2_template.c deleted file mode 100644 index f1b34882d2..0000000000 --- a/math/e_exp2_template.c +++ /dev/null @@ -1,61 +0,0 @@ -/* Compute 2^x. - Copyright (C) 2012-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <math.h> -#include <math_private.h> -#include <float.h> - -#define declare_mgen_finite_alias_x(from, to) \ - strong_alias (from, to ## _finite) -#define declare_mgen_finite_alias_s(from,to) \ - declare_mgen_finite_alias_x (from, to) -#define declare_mgen_finite_alias(from, to) \ - declare_mgen_finite_alias_s (M_SUF (from), M_SUF (to)) - -FLOAT -M_DECL_FUNC (__ieee754_exp2) (FLOAT x) -{ - if (__glibc_likely (isless (x, (FLOAT) M_MAX_EXP))) - { - if (__builtin_expect (isgreaterequal (x, (FLOAT) (M_MIN_EXP - M_MANT_DIG - - 1)), 1)) - { - int intx = (int) x; - FLOAT fractx = x - intx; - FLOAT result; - if (M_FABS (fractx) < M_EPSILON / 4) - result = M_SCALBN (1 + fractx, intx); - else - result = M_SCALBN (M_EXP (M_SUF (M_LN2) * fractx), intx); - math_check_force_underflow_nonneg (result); - return result; - } - else - { - /* Underflow or exact zero. */ - if (isinf (x)) - return 0; - else - return M_MIN * M_MIN; - } - } - else - /* Infinity, NaN or overflow. */ - return M_MAX * x; -} -declare_mgen_finite_alias (__ieee754_exp2, __exp2) |