summaryrefslogtreecommitdiff
path: root/Build/source/libs/mpfr/mpfr-src/src/add1sp1_extracted.c
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/libs/mpfr/mpfr-src/src/add1sp1_extracted.c')
-rw-r--r--Build/source/libs/mpfr/mpfr-src/src/add1sp1_extracted.c363
1 files changed, 0 insertions, 363 deletions
diff --git a/Build/source/libs/mpfr/mpfr-src/src/add1sp1_extracted.c b/Build/source/libs/mpfr/mpfr-src/src/add1sp1_extracted.c
deleted file mode 100644
index 1ff0db1a0e8..00000000000
--- a/Build/source/libs/mpfr/mpfr-src/src/add1sp1_extracted.c
+++ /dev/null
@@ -1,363 +0,0 @@
-/* mpfr_add1sp1 -- internal function to perform a "real" addition on one limb
- This code was extracted by Kremlin from a formal proof in F*
- done by Jianyang Pan in April-August 2018: do not modify it!
-
-Source: https://github.com/project-everest/hacl-star/tree/dev_mpfr/code/mpfr
-
-Copyright 2004-2020 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. */
-
-#define int64_t long
-#define uint32_t unsigned int
-#define uint64_t mp_limb_t
-
-typedef struct MPFR_Add1sp1_state_s
-{
- int64_t sh;
- int64_t bx;
- uint64_t rb;
- uint64_t sb;
-}
-MPFR_Add1sp1_state;
-
-static MPFR_Add1sp1_state
-MPFR_Add1sp1_mk_state(int64_t sh, int64_t bx, uint64_t rb, uint64_t sb)
-{
- return ((MPFR_Add1sp1_state){ .sh = sh, .bx = bx, .rb = rb, .sb = sb });
-}
-
-typedef struct K___uint64_t_int64_t_s
-{
- uint64_t fst;
- int64_t snd;
-}
-K___uint64_t_int64_t;
-
-typedef struct K___uint64_t_uint64_t_int64_t_s
-{
- uint64_t fst;
- uint64_t snd;
- int64_t thd;
-}
-K___uint64_t_uint64_t_int64_t;
-
-#define MPFR_Lib_mpfr_struct __mpfr_struct
-#define MPFR_Lib_mpfr_RET(I) ((I) != 0 ? ((__gmpfr_flags |= MPFR_FLAGS_INEXACT), (I)) : 0)
-#define MPFR_Exceptions_mpfr_overflow mpfr_overflow
-#define mpfr_prec _mpfr_prec
-#define mpfr_exp _mpfr_exp
-#define mpfr_d _mpfr_d
-#define mpfr_sign _mpfr_sign
-#define MPFR_Lib_gmp_NUMB_BITS GMP_NUMB_BITS
-#define MPFR_Lib_mpfr_EMAX __gmpfr_emax
-
-#define MPFR_RoundingMode_uu___is_MPFR_RNDN(rnd_mode) (rnd_mode == MPFR_RNDN)
-#define MPFR_RoundingMode_mpfr_IS_LIKE_RNDZ MPFR_IS_LIKE_RNDZ
-
-/* same as mpfr_add1sp, but for p < GMP_NUMB_BITS */
-static int
-mpfr_add1sp1 (mpfr_ptr a, mpfr_srcptr b, mpfr_srcptr c, mpfr_rnd_t rnd_mode,
- mpfr_prec_t p)
-{
- MPFR_Lib_mpfr_struct a0 = a[0U];
- MPFR_Lib_mpfr_struct b0 = b[0U];
- MPFR_Lib_mpfr_struct c0 = c[0U];
- int64_t bx = b0.mpfr_exp;
- int64_t cx = c0.mpfr_exp;
- int64_t sh = MPFR_Lib_gmp_NUMB_BITS - p;
- MPFR_Add1sp1_state st;
- if (bx == cx)
- {
- uint64_t *ap = a0.mpfr_d;
- uint64_t *bp = b0.mpfr_d;
- uint64_t *cp = c0.mpfr_d;
- uint64_t a01 = (bp[0U] >> (uint32_t)1U) + (cp[0U] >> (uint32_t)1U);
- int64_t bx1 = b0.mpfr_exp + (int64_t)1;
- uint64_t rb = a01 & (uint64_t)1U << (uint32_t)(sh - (int64_t)1);
- ap[0U] = a01 ^ rb;
- uint64_t sb = (uint64_t)0U;
- st = MPFR_Add1sp1_mk_state(sh, bx1, rb, sb);
- }
- else
- {
- MPFR_Add1sp1_state ite0;
- if (bx > cx)
- {
- int64_t bx1 = b0.mpfr_exp;
- int64_t cx1 = c0.mpfr_exp;
- int64_t d = bx1 - cx1;
- uint64_t mask = ((uint64_t)1U << (uint32_t)sh) - (uint64_t)1U;
- MPFR_Add1sp1_state ite1;
- if (d < sh)
- {
- uint64_t *ap = a0.mpfr_d;
- uint64_t *bp = b0.mpfr_d;
- uint64_t *cp = c0.mpfr_d;
- int64_t bx2 = b0.mpfr_exp;
- uint64_t a01 = bp[0U] + (cp[0U] >> (uint32_t)d);
- K___uint64_t_int64_t scrut;
- if (a01 < bp[0U])
- scrut =
- (
- (K___uint64_t_int64_t){
- .fst = (uint64_t)0x8000000000000000U | a01 >> (uint32_t)1U,
- .snd = bx2 + (int64_t)1
- }
- );
- else
- scrut = ((K___uint64_t_int64_t){ .fst = a01, .snd = bx2 });
- uint64_t a02 = scrut.fst;
- int64_t bx3 = scrut.snd;
- uint64_t rb = a02 & (uint64_t)1U << (uint32_t)(sh - (int64_t)1);
- uint64_t sb = (a02 & mask) ^ rb;
- ap[0U] = a02 & ~mask;
- ite1 = MPFR_Add1sp1_mk_state(sh, bx3, rb, sb);
- }
- else
- {
- MPFR_Add1sp1_state ite;
- if (d < MPFR_Lib_gmp_NUMB_BITS)
- {
- uint64_t *ap = a0.mpfr_d;
- uint64_t *bp = b0.mpfr_d;
- uint64_t *cp = c0.mpfr_d;
- int64_t bx2 = b0.mpfr_exp;
- uint64_t sb = cp[0U] << (uint32_t)(MPFR_Lib_gmp_NUMB_BITS - d);
- uint64_t a01 = bp[0U] + (cp[0U] >> (uint32_t)d);
- K___uint64_t_uint64_t_int64_t scrut;
- if (a01 < bp[0U])
- scrut =
- (
- (K___uint64_t_uint64_t_int64_t){
- .fst = sb | (a01 & (uint64_t)1U),
- .snd = (uint64_t)0x8000000000000000U | a01 >> (uint32_t)1U,
- .thd = bx2 + (int64_t)1
- }
- );
- else
- scrut = ((K___uint64_t_uint64_t_int64_t){ .fst = sb, .snd = a01, .thd = bx2 });
- uint64_t sb1 = scrut.fst;
- uint64_t a02 = scrut.snd;
- int64_t bx3 = scrut.thd;
- uint64_t rb = a02 & (uint64_t)1U << (uint32_t)(sh - (int64_t)1);
- uint64_t sb2 = sb1 | ((a02 & mask) ^ rb);
- ap[0U] = a02 & ~mask;
- ite = MPFR_Add1sp1_mk_state(sh, bx3, rb, sb2);
- }
- else
- {
- uint64_t *ap = a0.mpfr_d;
- uint64_t *bp = b0.mpfr_d;
- int64_t bx2 = b0.mpfr_exp;
- ap[0U] = bp[0U];
- uint64_t rb = (uint64_t)0U;
- uint64_t sb = (uint64_t)1U;
- ite = MPFR_Add1sp1_mk_state(sh, bx2, rb, sb);
- }
- ite1 = ite;
- }
- ite0 = ite1;
- }
- else
- {
- int64_t bx1 = c0.mpfr_exp;
- int64_t cx1 = b0.mpfr_exp;
- int64_t d = bx1 - cx1;
- uint64_t mask = ((uint64_t)1U << (uint32_t)sh) - (uint64_t)1U;
- MPFR_Add1sp1_state ite1;
- if (d < sh)
- {
- uint64_t *ap = a0.mpfr_d;
- uint64_t *bp = c0.mpfr_d;
- uint64_t *cp = b0.mpfr_d;
- int64_t bx2 = c0.mpfr_exp;
- uint64_t a01 = bp[0U] + (cp[0U] >> (uint32_t)d);
- K___uint64_t_int64_t scrut;
- if (a01 < bp[0U])
- scrut =
- (
- (K___uint64_t_int64_t){
- .fst = (uint64_t)0x8000000000000000U | a01 >> (uint32_t)1U,
- .snd = bx2 + (int64_t)1
- }
- );
- else
- scrut = ((K___uint64_t_int64_t){ .fst = a01, .snd = bx2 });
- uint64_t a02 = scrut.fst;
- int64_t bx3 = scrut.snd;
- uint64_t rb = a02 & (uint64_t)1U << (uint32_t)(sh - (int64_t)1);
- uint64_t sb = (a02 & mask) ^ rb;
- ap[0U] = a02 & ~mask;
- ite1 = MPFR_Add1sp1_mk_state(sh, bx3, rb, sb);
- }
- else
- {
- MPFR_Add1sp1_state ite;
- if (d < MPFR_Lib_gmp_NUMB_BITS)
- {
- uint64_t *ap = a0.mpfr_d;
- uint64_t *bp = c0.mpfr_d;
- uint64_t *cp = b0.mpfr_d;
- int64_t bx2 = c0.mpfr_exp;
- uint64_t sb = cp[0U] << (uint32_t)(MPFR_Lib_gmp_NUMB_BITS - d);
- uint64_t a01 = bp[0U] + (cp[0U] >> (uint32_t)d);
- K___uint64_t_uint64_t_int64_t scrut;
- if (a01 < bp[0U])
- scrut =
- (
- (K___uint64_t_uint64_t_int64_t){
- .fst = sb | (a01 & (uint64_t)1U),
- .snd = (uint64_t)0x8000000000000000U | a01 >> (uint32_t)1U,
- .thd = bx2 + (int64_t)1
- }
- );
- else
- scrut = ((K___uint64_t_uint64_t_int64_t){ .fst = sb, .snd = a01, .thd = bx2 });
- uint64_t sb1 = scrut.fst;
- uint64_t a02 = scrut.snd;
- int64_t bx3 = scrut.thd;
- uint64_t rb = a02 & (uint64_t)1U << (uint32_t)(sh - (int64_t)1);
- uint64_t sb2 = sb1 | ((a02 & mask) ^ rb);
- ap[0U] = a02 & ~mask;
- ite = MPFR_Add1sp1_mk_state(sh, bx3, rb, sb2);
- }
- else
- {
- uint64_t *ap = a0.mpfr_d;
- uint64_t *bp = c0.mpfr_d;
- int64_t bx2 = c0.mpfr_exp;
- ap[0U] = bp[0U];
- uint64_t rb = (uint64_t)0U;
- uint64_t sb = (uint64_t)1U;
- ite = MPFR_Add1sp1_mk_state(sh, bx2, rb, sb);
- }
- ite1 = ite;
- }
- ite0 = ite1;
- }
- st = ite0;
- }
- if (st.bx > MPFR_Lib_mpfr_EMAX)
- {
- int32_t t = MPFR_Exceptions_mpfr_overflow(a, rnd_mode, a->mpfr_sign);
- return t;
- }
- else
- {
- uint64_t *ap = a->mpfr_d;
- uint64_t a01 = ap[0U];
- MPFR_Lib_mpfr_struct uu___72_3478 = a[0U];
- a[0U] =
- (
- (MPFR_Lib_mpfr_struct){
- .mpfr_prec = uu___72_3478.mpfr_prec,
- .mpfr_sign = uu___72_3478.mpfr_sign,
- .mpfr_exp = st.bx,
- .mpfr_d = uu___72_3478.mpfr_d
- }
- );
- if (st.rb == (uint64_t)0U && st.sb == (uint64_t)0U)
- return MPFR_Lib_mpfr_RET((int32_t)0);
- else if (MPFR_RoundingMode_uu___is_MPFR_RNDN(rnd_mode))
- if
- (
- st.rb
- == (uint64_t)0U
- || (st.sb == (uint64_t)0U && (a01 & (uint64_t)1U << (uint32_t)st.sh) == (uint64_t)0U)
- )
- {
- int32_t ite;
- if (a->mpfr_sign == (int32_t)1)
- ite = (int32_t)-1;
- else
- ite = (int32_t)1;
- return MPFR_Lib_mpfr_RET(ite);
- }
- else
- {
- uint64_t *ap1 = a->mpfr_d;
- ap1[0U] = ap1[0U] + ((uint64_t)1U << (uint32_t)st.sh);
- if (ap1[0U] == (uint64_t)0U)
- {
- ap1[0U] = (uint64_t)0x8000000000000000U;
- if (st.bx + (int64_t)1 <= MPFR_Lib_mpfr_EMAX)
- {
- MPFR_Lib_mpfr_struct uu___72_3574 = a[0U];
- a[0U] =
- (
- (MPFR_Lib_mpfr_struct){
- .mpfr_prec = uu___72_3574.mpfr_prec,
- .mpfr_sign = uu___72_3574.mpfr_sign,
- .mpfr_exp = st.bx + (int64_t)1,
- .mpfr_d = uu___72_3574.mpfr_d
- }
- );
- return MPFR_Lib_mpfr_RET(a->mpfr_sign);
- }
- else
- {
- int32_t t = MPFR_Exceptions_mpfr_overflow(a, rnd_mode, a->mpfr_sign);
- return MPFR_Lib_mpfr_RET(t);
- }
- }
- else
- return MPFR_Lib_mpfr_RET(a->mpfr_sign);
- }
- else if (MPFR_RoundingMode_mpfr_IS_LIKE_RNDZ(rnd_mode, a->mpfr_sign < (int32_t)0))
- {
- int32_t ite;
- if (a->mpfr_sign == (int32_t)1)
- ite = (int32_t)-1;
- else
- ite = (int32_t)1;
- return MPFR_Lib_mpfr_RET(ite);
- }
- else
- {
- uint64_t *ap1 = a->mpfr_d;
- ap1[0U] = ap1[0U] + ((uint64_t)1U << (uint32_t)st.sh);
- if (ap1[0U] == (uint64_t)0U)
- {
- ap1[0U] = (uint64_t)0x8000000000000000U;
- if (st.bx + (int64_t)1 <= MPFR_Lib_mpfr_EMAX)
- {
- MPFR_Lib_mpfr_struct uu___72_3781 = a[0U];
- a[0U] =
- (
- (MPFR_Lib_mpfr_struct){
- .mpfr_prec = uu___72_3781.mpfr_prec,
- .mpfr_sign = uu___72_3781.mpfr_sign,
- .mpfr_exp = st.bx + (int64_t)1,
- .mpfr_d = uu___72_3781.mpfr_d
- }
- );
- return MPFR_Lib_mpfr_RET(a->mpfr_sign);
- }
- else
- {
- int32_t t = MPFR_Exceptions_mpfr_overflow(a, rnd_mode, a->mpfr_sign);
- return MPFR_Lib_mpfr_RET(t);
- }
- }
- else
- return MPFR_Lib_mpfr_RET(a->mpfr_sign);
- }
- }
-}