/* mpc-impl.h -- Internal include file for mpc.
-Copyright (C) 2002, 2004, 2005, 2008, 2009, 2010, 2011, 2012 INRIA
+Copyright (C) 2002, 2004, 2005, 2008, 2009 Andreas Enge, Philippe Th\'eveny, Paul Zimmermann
-This file is part of GNU MPC.
+This file is part of the MPC Library.
-GNU MPC 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
+The MPC 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 2.1 of the License, or (at your
option) any later version.
-GNU MPC 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.
+The MPC 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 this program. If not, see http://www.gnu.org/licenses/ .
-*/
+along with the MPC Library; see the file COPYING.LIB. If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
#ifndef __MPC_IMPL_H
#define __MPC_IMPL_H
-#define __MPC_LIBRARY_BUILD
- /* to indicate we are inside the library build */
-#include "config.h"
-#ifdef HAVE_STDLIB_H
#include <stdlib.h>
+
+#include "config.h" /* for MPC_USE_LOGGING */
+
+#ifndef __MPC_TESTS_H
+#define __MPC_WITHIN_MPC 1
#endif
+
#include "mpc.h"
+#define MPC_RE(x) ((x)->re)
+#define MPC_IM(x) ((x)->im)
+
/*
- * Miscellaneous useful macros
+ * Miscelaneous useful macros
*/
-#define MPC_MIN(h,i) ((h) < (i) ? (h) : (i))
#define MPC_MAX(h,i) ((h) > (i) ? (h) : (i))
/* Safe absolute value (to avoid possible integer overflow) */
#define BITS_PER_MP_LIMB mp_bits_per_limb
#endif
+#define MPFR_PREC(x) mpfr_get_prec(x)
+#define MPFR_EXP(x) mpfr_get_exp(x)
+
#define MPFR_SIGNBIT(x) (mpfr_signbit (x) ? -1 : 1)
-#define MPC_MPFR_SIGN(x) (mpfr_zero_p (x) ? 0 : MPFR_SIGNBIT (x))
+#define MPC_MPFR_SIGN(x) (mpfr_zero_p (x)? 0 : MPFR_SIGNBIT (x))
/* should be called MPFR_SIGN, but this is taken in mpfr.h */
#define MPFR_CHANGE_SIGN(x) mpfr_neg(x,x,GMP_RNDN)
+#define MPFR_IS_SINGULAR(x) (mpfr_nan_p(x) || mpfr_inf_p(x) || mpfr_zero_p(x))
#define MPFR_COPYSIGN(x,y,z,rnd) (mpfr_nan_p (z) ? \
mpfr_setsign (x, y, 0, rnd) : \
mpfr_copysign (x, y, z, rnd))
/* work around spurious signs in nan */
-#define MPFR_ADD_ONE_ULP(x) mpfr_add_one_ulp (x, GMP_RNDN)
-#define MPFR_SUB_ONE_ULP(x) mpfr_sub_one_ulp (x, GMP_RNDN)
- /* drop unused rounding mode from macroes */
#define MPFR_SWAP(a,b) do { mpfr_srcptr tmp; tmp = a; a = b; b = tmp; } while (0)
/*
- * Macro implementing rounding away from zero, to ease compatibility with
- * mpfr < 3. f is the complete function call with a rounding mode of
- * MPFR_RNDA, rop the name of the variable containing the result; it is
- * already contained in f, but needs to be repeated so that the macro can
- * modify the variable.
- * Usage: replace each call to a function such as
- * mpfr_add (rop, a, b, MPFR_RNDA)
- * by
- * ROUND_AWAY (mpfr_add (rop, a, b, MPFR_RNDA), rop)
-*/
-#if MPFR_VERSION_MAJOR < 3
- /* round towards zero, add 1 ulp if not exact */
-#define MPFR_RNDA GMP_RNDZ
-#define ROUND_AWAY(f,rop) \
- ((f) ? MPFR_ADD_ONE_ULP (rop), MPFR_SIGNBIT (rop) : 0)
-#else
-#define ROUND_AWAY(f,rop) \
- (f)
-#endif /* mpfr < 3 */
-
-#if MPFR_VERSION_MAJOR < 3
-/* declare missing functions, defined in get_version.c */
-__MPC_DECLSPEC void mpfr_set_zero (mpfr_ptr, int);
-__MPC_DECLSPEC int mpfr_regular_p (mpfr_srcptr);
-#endif /* mpfr < 3 */
-
-
-/*
* MPC macros
*/
-#define MPC_PREC_RE(x) (mpfr_get_prec(mpc_realref(x)))
-#define MPC_PREC_IM(x) (mpfr_get_prec(mpc_imagref(x)))
+#define MPC_PREC_RE(x) (MPFR_PREC(MPC_RE(x)))
+#define MPC_PREC_IM(x) (MPFR_PREC(MPC_IM(x)))
#define MPC_MAX_PREC(x) MPC_MAX(MPC_PREC_RE(x), MPC_PREC_IM(x))
#define INV_RND(r) \
(((r) == GMP_RNDU) ? GMP_RNDD : (((r) == GMP_RNDD) ? GMP_RNDU : (r)))
-#define mpc_inf_p(z) (mpfr_inf_p(mpc_realref(z))||mpfr_inf_p(mpc_imagref(z)))
+#define mpc_inf_p(z) (mpfr_inf_p(MPC_RE(z))||mpfr_inf_p(MPC_IM(z)))
/* Convention in C99 (G.3): z is regarded as an infinity if at least one of
its parts is infinite */
-#define mpc_zero_p(z) (mpfr_zero_p(mpc_realref(z))&&mpfr_zero_p(mpc_imagref(z)))
+#define mpc_zero_p(z) (mpfr_zero_p(MPC_RE(z))&&mpfr_zero_p(MPC_IM(z)))
/* Convention in C99 (G.3): z is regarded as a zero if each of its parts is
a zero */
-#define mpc_fin_p(z) (mpfr_number_p(mpc_realref(z))&&mpfr_number_p(mpc_imagref(z)))
+#define mpc_fin_p(z) (mpfr_number_p(MPC_RE(z))&&mpfr_number_p(MPC_IM(z)))
/* Convention in C99 (G.3): z is regarded as finite if both its parts are */
-#define mpc_nan_p(z) ((mpfr_nan_p(mpc_realref(z)) && !mpfr_inf_p(mpc_imagref(z))) || (mpfr_nan_p(mpc_imagref(z)) && !mpfr_inf_p(mpc_realref(z))))
+#define mpc_nan_p(z) ((mpfr_nan_p(MPC_RE(z)) && !mpfr_inf_p(MPC_IM(z))) || (mpfr_nan_p(MPC_IM(z)) && !mpfr_inf_p(MPC_RE(z))))
/* Consider as NaN all other numbers containing at least one NaN */
+#define OUT(x) \
+do { \
+ printf (#x "[%lu,%lu]=", (unsigned long int) MPC_PREC_RE (x), \
+ (unsigned long int) MPC_PREC_IM (x)); \
+ mpc_out_str (stdout, 2, 0, x, MPC_RNDNN); \
+ printf ("\n"); \
+} while (0)
+
+/* C++ iterator on mpfr_rnd_t */
+#if defined (__cplusplus)
+inline
+mpfr_rnd_t & operator++(mpfr_rnd_t &rnd)
+{
+ return rnd = mpfr_rnd_t(rnd + 1);
+}
+#endif
+
+
/*
* ASSERT macros
*/
-#ifdef NDEBUG
-#define MPC_ASSERT(expr) \
- do { \
- } while (0)
-#else
#define MPC_ASSERT(expr) \
do { \
if (!(expr)) \
abort(); \
} \
} while (0)
-#endif
-
-
-/*
- * Debug macros
- */
-
-#define MPC_OUT(x) \
-do { \
- printf (#x "[%lu,%lu]=", (unsigned long int) MPC_PREC_RE (x), \
- (unsigned long int) MPC_PREC_IM (x)); \
- mpc_out_str (stdout, 2, 0, x, MPC_RNDNN); \
- printf ("\n"); \
-} while (0)
-
-#define MPFR_OUT(x) \
-do { \
- printf (#x "[%lu]=", (unsigned long int) mpfr_get_prec (x)); \
- mpfr_out_str (stdout, 2, 0, x, GMP_RNDN); \
- printf ("\n"); \
-} while (0)
/*
extern "C" {
#endif
-
-__MPC_DECLSPEC int mpc_mul_naive (mpc_ptr, mpc_srcptr, mpc_srcptr, mpc_rnd_t);
-__MPC_DECLSPEC int mpc_mul_karatsuba (mpc_ptr, mpc_srcptr, mpc_srcptr, mpc_rnd_t);
-__MPC_DECLSPEC int mpc_fma_naive (mpc_ptr, mpc_srcptr, mpc_srcptr, mpc_srcptr, mpc_rnd_t);
-__MPC_DECLSPEC int mpc_pow_usi (mpc_ptr, mpc_srcptr, unsigned long, int, mpc_rnd_t);
-__MPC_DECLSPEC char* mpc_alloc_str (size_t);
-__MPC_DECLSPEC char* mpc_realloc_str (char*, size_t, size_t);
-__MPC_DECLSPEC void mpc_free_str (char*);
-__MPC_DECLSPEC mpfr_prec_t mpc_ceil_log2 (mpfr_prec_t);
-__MPC_DECLSPEC int set_pi_over_2 (mpfr_ptr, int, mpfr_rnd_t);
+__MPC_DECLSPEC int mpc_mul_naive __MPC_PROTO ((mpc_ptr, mpc_srcptr, mpc_srcptr, mpc_rnd_t));
+__MPC_DECLSPEC int mpc_mul_karatsuba __MPC_PROTO ((mpc_ptr, mpc_srcptr, mpc_srcptr, mpc_rnd_t));
+__MPC_DECLSPEC char* mpc_alloc_str __MPC_PROTO ((size_t));
+__MPC_DECLSPEC char* mpc_realloc_str __MPC_PROTO ((char*, size_t, size_t));
+__MPC_DECLSPEC void mpc_free_str __MPC_PROTO ((char*));
+__MPC_DECLSPEC unsigned long mpc_ceil_log2 __MPC_PROTO ((unsigned long));
#if defined (__cplusplus)
}
projects / platform / upstream / mpc.git / blobdiff