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3b74b3446c
Reported by: Sébastien Santoro <dereckson@espace-win.org> Obtained from: https://github.com/libtom/libtommath/pull/476
57 lines
1.9 KiB
Text
57 lines
1.9 KiB
Text
From c1cf80738219dbd70cba0c0c1244698aad842ec7 Mon Sep 17 00:00:00 2001
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From: Steffen Jaeckel <s@jaeckel.eu>
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Date: Thu, 5 Mar 2020 13:57:07 +0100
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Subject: [PATCH] introduce MP_HAS_SET_DOUBLE
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---
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demo/test.c | 4 ++--
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mp_set_double.c | 2 +-
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tommath_private.h | 7 +++++++
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3 files changed, 10 insertions(+), 3 deletions(-)
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--- demo/test.c.orig 2019-10-22 09:44:44.000000000 +0000
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+++ demo/test.c 2021-09-20 10:02:00.103699000 +0000
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@@ -625,7 +625,7 @@
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}
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-#if defined(__STDC_IEC_559__) || defined(__GCC_IEC_559)
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+#if defined(MP_HAS_SET_DOUBLE)
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static int test_mp_set_double(void)
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{
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int i;
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@@ -2461,7 +2461,7 @@
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T1(mp_read_write_sbin, MP_TO_SBIN),
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T1(mp_reduce_2k, MP_REDUCE_2K),
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T1(mp_reduce_2k_l, MP_REDUCE_2K_L),
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-#if defined(__STDC_IEC_559__) || defined(__GCC_IEC_559)
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+#if defined(MP_HAS_SET_DOUBLE)
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T1(mp_set_double, MP_SET_DOUBLE),
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#endif
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T1(mp_signed_rsh, MP_SIGNED_RSH),
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--- bn_mp_set_double.c.orig 2019-10-22 09:44:44.000000000 +0000
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+++ bn_mp_set_double.c 2021-09-20 10:05:36.466235000 +0000
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@@ -3,7 +3,7 @@
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/* LibTomMath, multiple-precision integer library -- Tom St Denis */
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/* SPDX-License-Identifier: Unlicense */
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-#if defined(__STDC_IEC_559__) || defined(__GCC_IEC_559)
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+#if defined(MP_HAS_SET_DOUBLE)
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mp_err mp_set_double(mp_int *a, double b)
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{
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uint64_t frac;
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--- tommath_private.h.orig
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+++ tommath_private.h
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@@ -164,6 +164,13 @@ MP_STATIC_ASSERT(prec_geq_min_prec, MP_DEFAULT_DIGIT_COUNT >= MP_MIN_DIGIT_COUNT
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*/
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#define MP_MAX_DIGIT_COUNT ((INT_MAX - 2) / MP_DIGIT_BIT)
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+#if defined(__STDC_IEC_559__) || defined(__GCC_IEC_559) \
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+ || defined(__x86_64__) || defined(_M_X64) || defined(_M_AMD64) \
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+ || defined(__i386__) || defined(_M_X86) \
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+ || defined(__aarch64__) || defined(__arm__)
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+#define MP_HAS_SET_DOUBLE
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+#endif
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+
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/* random number source */
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extern MP_PRIVATE mp_err(*s_mp_rand_source)(void *out, size_t size);
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