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-rw-r--r--Build/source/libs/mpfr/mpfr-src/src/scale2.c91
1 files changed, 0 insertions, 91 deletions
diff --git a/Build/source/libs/mpfr/mpfr-src/src/scale2.c b/Build/source/libs/mpfr/mpfr-src/src/scale2.c
deleted file mode 100644
index 5f5528a3616..00000000000
--- a/Build/source/libs/mpfr/mpfr-src/src/scale2.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/* mpfr_scale2 -- multiply a double float by 2^exp
-
-Copyright 1999-2020 Free Software Foundation, Inc.
-Contributed by the AriC and Caramba projects, INRIA.
-
-This file is part of the GNU MPFR Library.
-
-The GNU MPFR 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 3 of the License, or (at your
-option) any later version.
-
-The GNU MPFR 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 MPFR Library; see the file COPYING.LESSER. If not, see
-https://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
-51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-#include <float.h> /* for DBL_EPSILON */
-#include "mpfr-impl.h"
-
-/* Note: we could use the ldexp function, but since we want not to depend on
- math.h, we write our own implementation. */
-
-/* multiplies 1/2 <= d <= 1 by 2^exp */
-double
-mpfr_scale2 (double d, int exp)
-{
-#if _MPFR_IEEE_FLOATS
- {
- union mpfr_ieee_double_extract x;
-
- if (MPFR_UNLIKELY (d == 1.0))
- {
- d = 0.5;
- exp ++;
- }
-
- /* now 1/2 <= d < 1 */
-
- /* infinities and zeroes have already been checked */
- MPFR_ASSERTD (-1073 <= exp && exp <= 1025);
-
- x.d = d;
- if (MPFR_UNLIKELY (exp < -1021)) /* subnormal case */
- {
- x.s.exp += exp + 52;
- x.d *= DBL_EPSILON;
- }
- else /* normalized case */
- {
- x.s.exp += exp;
- }
- return x.d;
- }
-#else /* _MPFR_IEEE_FLOATS */
- {
- double factor;
-
- /* An overflow may occurs (example: 0.5*2^1024) */
- if (d < 1.0)
- {
- d += d;
- exp--;
- }
- /* Now 1.0 <= d < 2.0 */
-
- if (exp < 0)
- {
- factor = 0.5;
- exp = -exp;
- }
- else
- {
- factor = 2.0;
- }
- while (exp != 0)
- {
- if ((exp & 1) != 0)
- d *= factor;
- exp >>= 1;
- factor *= factor;
- }
- return d;
- }
-#endif /* _MPFR_IEEE_FLOATS */
-}