/* mpc-tests.h -- Tests helper functions.
Copyright (C) 2008, 2009, 2010, 2011, 2012 INRIA
This file is part of GNU MPC.
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
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.
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/ .
*/
#ifndef __MPC_TESTS_H
#define __MPC_TESTS_H
#include "config.h"
#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
#include "mpc.h"
/* pieces copied from mpc-impl.h */
#define MPC_PREC_RE(x) (mpfr_get_prec(mpc_realref(x)))
#define MPC_PREC_IM(x) (mpfr_get_prec(mpc_imagref(x)))
#define MPC_MAX_PREC(x) MPC_MAX(MPC_PREC_RE(x), MPC_PREC_IM(x))
#define MPC_MAX(h,i) ((h) > (i) ? (h) : (i))
#define MPC_ASSERT(expr) \
do { \
if (!(expr)) \
{ \
fprintf (stderr, "%s:%d: MPC assertion failed: %s\n", \
__FILE__, __LINE__, #expr); \
abort(); \
} \
} while (0)
#if defined (__cplusplus)
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);
#if defined (__cplusplus)
}
#endif
/* end pieces copied from mpc-impl.h */
#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)
#define MPC_INEX_STR(inex) \
(inex) == 0 ? "(0, 0)" \
: (inex) == 1 ? "(+1, 0)" \
: (inex) == 2 ? "(-1, 0)" \
: (inex) == 4 ? "(0, +1)" \
: (inex) == 5 ? "(+1, +1)" \
: (inex) == 6 ? "(-1, +1)" \
: (inex) == 8 ? "(0, -1)" \
: (inex) == 9 ? "(+1, -1)" \
: (inex) == 10 ? "(-1, -1)" : "unknown"
#define TEST_FAILED(func,op,got,expected,rnd) \
do { \
printf ("%s(op) failed [rnd=%d]\n with", func, rnd); \
MPC_OUT (op); \
printf (" "); \
MPC_OUT (got); \
MPC_OUT (expected); \
exit (1); \
} while (0)
#define QUOTE(X) NAME(X)
#define NAME(X) #X
/** RANDOM FUNCTIONS **/
/* the 3 following functions handle seed for random numbers. Usage:
- add test_start at the beginning of your test function
- use test_default_random (or use your random functions with
gmp_randstate_t rands) in your tests
- add test_end at the end the test function */
extern gmp_randstate_t rands;
extern void test_start (void);
extern void test_end (void);
extern void test_default_random (mpc_ptr, mp_exp_t, mp_exp_t, unsigned int, unsigned int);
/** COMPARISON FUNCTIONS **/
/* some sign are unspecified in ISO C99, thus we record in struct known_signs_t
whether the sign has to be checked */
typedef struct
{
int re; /* boolean value */
int im; /* boolean value */
} known_signs_t;
/* same_mpfr_value returns 1:
- if got and ref have the same value and known_sign is true,
or
- if they have the same absolute value, got = 0 or got = inf, and known_sign is
false.
returns 0 in other cases.
Unlike mpfr_cmp, same_mpfr_value(got, ref, x) return 1 when got and
ref are both NaNs. */
extern int same_mpfr_value (mpfr_ptr got, mpfr_ptr ref, int known_sign);
extern int same_mpc_value (mpc_ptr got, mpc_ptr ref, known_signs_t known_signs);
/** GENERIC TESTS **/
typedef int (*CC_func_ptr) (mpc_t, mpc_srcptr, mpc_rnd_t);
typedef int (*C_CC_func_ptr) (mpc_t, mpc_srcptr, mpc_srcptr, mpc_rnd_t);
typedef int (*CCCC_func_ptr) (mpc_t, mpc_srcptr, mpc_srcptr, mpc_srcptr,
mpc_rnd_t);
typedef int (*CCU_func_ptr) (mpc_t, mpc_srcptr, unsigned long, mpc_rnd_t);
typedef int (*CCS_func_ptr) (mpc_t, mpc_srcptr, long, mpc_rnd_t);
typedef int (*CCI_func_ptr) (mpc_t, mpc_srcptr, int, mpc_rnd_t);
typedef int (*CCF_func_ptr) (mpc_t, mpc_srcptr, mpfr_srcptr, mpc_rnd_t);
typedef int (*CFC_func_ptr) (mpc_t, mpfr_srcptr, mpc_srcptr, mpc_rnd_t);
typedef int (*CUC_func_ptr) (mpc_t, unsigned long, mpc_srcptr, mpc_rnd_t);
typedef int (*CUUC_func_ptr) (mpc_t, unsigned long, unsigned long, mpc_srcptr,
mpc_rnd_t);
typedef int (*FC_func_ptr) (mpfr_t, mpc_srcptr, mpfr_rnd_t);
typedef int (*CC_C_func_ptr) (mpc_t, mpc_t, mpc_srcptr, mpc_rnd_t, mpc_rnd_t);
typedef union {
FC_func_ptr FC; /* output: mpfr_t, input: mpc_t */
CC_func_ptr CC; /* output: mpc_t, input: mpc_t */
C_CC_func_ptr C_CC; /* output: mpc_t, inputs: (mpc_t, mpc_t) */
CCCC_func_ptr CCCC; /* output: mpc_t, inputs: (mpc_t, mpc_t, mpc_t) */
CCU_func_ptr CCU; /* output: mpc_t, inputs: (mpc_t, unsigned long) */
CCS_func_ptr CCS; /* output: mpc_t, inputs: (mpc_t, long) */
CCI_func_ptr CCI; /* output: mpc_t, inputs: (mpc_t, int) */
CCF_func_ptr CCF; /* output: mpc_t, inputs: (mpc_t, mpfr_t) */
CFC_func_ptr CFC; /* output: mpc_t, inputs: (mpfr_t, mpc_t) */
CUC_func_ptr CUC; /* output: mpc_t, inputs: (unsigned long, mpc_t) */
CUUC_func_ptr CUUC; /* output: mpc_t, inputs: (ulong, ulong, mpc_t) */
CC_C_func_ptr CC_C; /* outputs: (mpc_t, mpc_t), input: mpc_t */
} func_ptr;
/* the rounding mode is implicit */
typedef enum {
FC, /* output: mpfr_t, input: mpc_t */
CC, /* output: mpc_t, input: mpc_t */
C_CC, /* output: mpc_t, inputs: (mpc_t, mpc_t) */
CCCC, /* output: mpc_t, inputs: (mpc_t, mpc_t, mpc_t) */
CCU, /* output: mpc_t, inputs: (mpc_t, unsigned long) */
CCS, /* output: mpc_t, inputs: (mpc_t, long) */
CCI, /* output: mpc_t, inputs: (mpc_t, int) */
CCF, /* output: mpc_t, inputs: (mpc_t, mpfr_t) */
CFC, /* output: mpc_t, inputs: (mpfr_t, mpc_t) */
CUC, /* output: mpc_t, inputs: (unsigned long, mpc_t) */
CUUC, /* output: mpc_t, inputs: (ulong, ulong, mpc_t) */
CC_C /* outputs: (mpc_t, mpc_t), input: mpc_t */
} func_type;
/* properties */
#define FUNC_PROP_NONE 0
#define FUNC_PROP_SYMETRIC 1
typedef struct
{
func_ptr pointer;
func_type type;
const char * name;
int properties;
} mpc_function;
#define DECL_FUNC(_ftype, _fvar, _func) \
mpc_function _fvar; \
_fvar.pointer._ftype = _func; \
_fvar.type = _ftype; \
_fvar.name = QUOTE (_func); \
_fvar.properties = FUNC_PROP_NONE;
/* tgeneric(mpc_function, prec_min, prec_max, step, exp_max) checks rounding
with random numbers:
- with precision ranging from prec_min to prec_max with an increment of
step,
- with exponent between -exp_max and exp_max.
It also checks parameter reuse (it is assumed here that either two mpc_t
variables are equal or they are different, in the sense that the real part of
one of them cannot be the imaginary part of the other). */
void tgeneric (mpc_function, mpfr_prec_t, mpfr_prec_t, mpfr_prec_t, mp_exp_t);
/** READ FILE WITH TEST DATA SET **/
/* data_check (function, "data_file_name") checks function results against
precomputed data in a file.*/
extern void data_check (mpc_function, const char *);
extern FILE * open_data_file (const char *file_name);
extern void close_data_file (FILE *fp);
/* helper file reading functions */
extern void skip_whitespace_comments (FILE *fp);
extern void read_ternary (FILE *fp, int* ternary);
extern void read_mpfr_rounding_mode (FILE *fp, mpfr_rnd_t* rnd);
extern void read_mpc_rounding_mode (FILE *fp, mpc_rnd_t* rnd);
extern mpfr_prec_t read_mpfr_prec (FILE *fp);
extern void read_int (FILE *fp, int *n, const char *name);
extern size_t read_string (FILE *fp, char **buffer_ptr, size_t buffer_length, const char *name);
extern void read_mpfr (FILE *fp, mpfr_ptr x, int *known_sign);
extern void read_mpc (FILE *fp, mpc_ptr z, known_signs_t *ks);
#define TERNARY_NOT_CHECKED 255
/* special value to indicate that the ternary value is not checked */
#define TERNARY_ERROR 254
/* special value to indicate that an error occurred in an mpc function */
#endif /* __MPC_TESTS_H */