From 4e90f3185aea9160c28f3eaec5625b67fc0f67db Mon Sep 17 00:00:00 2001
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From: Daniel Green <ddgreen@gmail.com>
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Date: Sun, 9 Feb 2020 11:06:53 -0500
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Subject: [PATCH] Build+test bn_mp_set_double.c on more platforms
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Not all platforms/environments/architectures that support enough of
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IEEE 754 for the purposes of mp_set_double() actually support enough
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to legitimately define __STDC_IEC_559__, so only relying on that is
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too strict. Fixes https://github.com/libtom/libtommath/issues/159
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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[Retrieved (and backported) from:
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https://github.com/libtom/libtommath/commit/4e90f3185aea9160c28f3eaec5625b67fc0f67db]
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---
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demo/test.c | 2 +-
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bn_mp_set_double.c | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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diff --git a/demo/test.c b/demo/test.c
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index 998f14b3..f719709d 100644
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--- a/demo/test.c
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+++ b/demo/test.c
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@@ -522,7 +522,7 @@ static int test_mp_invmod(void)
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}
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-#if defined(__STDC_IEC_559__) || defined(__GCC_IEC_559)
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+#if defined(__STDC_IEC_559__) || defined(__GCC_IEC_559) || defined(__x86_64__) || defined(_M_X64) || defined(_M_AMD64) || defined(__i386__) || defined(_M_X86) || defined(__aarch64__) || defined(__arm__)
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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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diff --git a/mp_set_double.c b/mp_set_double.c
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index 78550c8f..cdc644d9 100644
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--- a/bn_mp_set_double.c
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+++ b/bn_mp_set_double.c
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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(__STDC_IEC_559__) || defined(__GCC_IEC_559) || defined(__x86_64__) || defined(_M_X64) || defined(_M_AMD64) || defined(__i386__) || defined(_M_X86) || defined(__aarch64__) || defined(__arm__)
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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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