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+/* 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 */