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diff --git a/sysdeps/ieee754/dbl-64/mpa.h b/sysdeps/ieee754/dbl-64/mpa.h
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--- a/sysdeps/ieee754/dbl-64/mpa.h
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-/*
- * IBM Accurate Mathematical Library
- * Written by International Business Machines Corp.
- * Copyright (C) 2001-2021 Free Software Foundation, Inc.
- *
- * This program 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.
- *
- * This program 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 this program; if not, see <https://www.gnu.org/licenses/>.
- */
-
-/************************************************************************/
-/* MODULE_NAME: mpa.h */
-/* */
-/* FUNCTIONS: */
-/* mcr */
-/* acr */
-/* cpy */
-/* mp_dbl */
-/* dbl_mp */
-/* add */
-/* sub */
-/* mul */
-/* dvd */
-/* */
-/* Arithmetic functions for multiple precision numbers. */
-/* Common types and definition */
-/************************************************************************/
-
-#include <mpa-arch.h>
-
-/* The mp_no structure holds the details of a multi-precision floating point
- number.
-
- - The radix of the number (R) is 2 ^ 24.
-
- - E: The exponent of the number.
-
- - D[0]: The sign (-1, 1) or 0 if the value is 0. In the latter case, the
- values of the remaining members of the structure are ignored.
-
- - D[1] - D[p]: The mantissa of the number where:
-
- 0 <= D[i] < R and
- P is the precision of the number and 1 <= p <= 32
-
- D[p+1] ... D[39] have no significance.
-
- - The value of the number is:
-
- D[1] * R ^ (E - 1) + D[2] * R ^ (E - 2) ... D[p] * R ^ (E - p)
-
- */
-typedef struct
-{
- int e;
- mantissa_t d[40];
-} mp_no;
-
-typedef union
-{
- int i[2];
- double d;
-} number;
-
-extern const mp_no __mpone;
-extern const mp_no __mptwo;
-
-#define X x->d
-#define Y y->d
-#define Z z->d
-#define EX x->e
-#define EY y->e
-#define EZ z->e
-
-#ifndef RADIXI
-# define RADIXI 0x1.0p-24 /* 2^-24 */
-#endif
-
-#ifndef TWO52
-# define TWO52 0x1.0p52 /* 2^52 */
-#endif
-
-#define TWO5 TWOPOW (5) /* 2^5 */
-#define TWO8 TWOPOW (8) /* 2^52 */
-#define TWO10 TWOPOW (10) /* 2^10 */
-#define TWO18 TWOPOW (18) /* 2^18 */
-#define TWO19 TWOPOW (19) /* 2^19 */
-#define TWO23 TWOPOW (23) /* 2^23 */
-
-#define HALFRAD TWO23
-
-#define TWO57 0x1.0p57 /* 2^57 */
-#define TWO71 0x1.0p71 /* 2^71 */
-#define TWOM1032 0x1.0p-1032 /* 2^-1032 */
-#define TWOM1022 0x1.0p-1022 /* 2^-1022 */
-
-#define HALF 0x1.0p-1 /* 1/2 */
-#define MHALF -0x1.0p-1 /* -1/2 */
-
-int __acr (const mp_no *, const mp_no *, int);
-void __cpy (const mp_no *, mp_no *, int);
-void __mp_dbl (const mp_no *, double *, int);
-void __dbl_mp (double, mp_no *, int);
-void __add (const mp_no *, const mp_no *, mp_no *, int);
-void __sub (const mp_no *, const mp_no *, mp_no *, int);
-void __mul (const mp_no *, const mp_no *, mp_no *, int);
-void __sqr (const mp_no *, mp_no *, int);
-void __dvd (const mp_no *, const mp_no *, mp_no *, int);
-
-extern void __mpatan (mp_no *, mp_no *, int);
-extern void __mpatan2 (mp_no *, mp_no *, mp_no *, int);
-extern void __mpsqrt (mp_no *, mp_no *, int);
-extern void __c32 (mp_no *, mp_no *, mp_no *, int);
-extern int __mpranred (double, mp_no *, int);