1 /* 2 * Copyright (c) 2008-2024 Stefan Krah. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 28 #ifndef LIBMPDEC_MPDECIMAL_H_ 29 #define LIBMPDEC_MPDECIMAL_H_ 30 31 32 #ifdef __cplusplus 33 #include <cinttypes> 34 #include <climits> 35 #include <cstdint> 36 #include <cstdio> 37 #include <cstdlib> 38 #define MPD_UINT8_C(x) (static_cast<uint8_t>(x)) 39 extern "C" { 40 #else 41 #include <inttypes.h> 42 #include <limits.h> 43 #include <stdint.h> 44 #include <stdio.h> 45 #include <stdlib.h> 46 #define MPD_UINT8_C(x) ((uint8_t)x) 47 #undef inline 48 #define inline __inline 49 #endif 50 51 52 #define MPD_PRAGMA(x) 53 #define MPD_HIDE_SYMBOLS_START 54 #define MPD_HIDE_SYMBOLS_END 55 #define EXTINLINE extern inline 56 57 #define IMPORTEXPORT 58 59 #if defined (BUILD_LIBMPDEC) 60 #undef IMPORTEXPORT 61 #define IMPORTEXPORT __declspec(dllexport) 62 #elif defined(_DLL) 63 #undef IMPORTEXPORT 64 #define IMPORTEXPORT __declspec(dllimport) 65 #endif 66 67 68 /******************************************************************************/ 69 /* Version */ 70 /******************************************************************************/ 71 72 #define MPD_MAJOR_VERSION 4 73 #define MPD_MINOR_VERSION 0 74 #define MPD_MICRO_VERSION 0 75 76 #define MPD_VERSION "4.0.0" 77 78 #define MPD_VERSION_HEX ((MPD_MAJOR_VERSION << 24) | \ 79 (MPD_MINOR_VERSION << 16) | \ 80 (MPD_MICRO_VERSION << 8)) 81 82 IMPORTEXPORT const char *mpd_version(void); 83 84 85 /******************************************************************************/ 86 /* Types for 32 bit architectures */ 87 /******************************************************************************/ 88 89 /* ABI: 32-bit */ 90 #define MPD_CONFIG_32 1 91 92 #ifdef MPD_CONFIG_64 93 #error "cannot use MPD_CONFIG_64 with 32-bit header." 94 #endif 95 96 #ifdef CONFIG_64 97 #error "cannot use CONFIG_64 with 32-bit header." 98 #endif 99 100 101 /* types for modular and base arithmetic */ 102 #define MPD_UINT_MAX UINT32_MAX 103 #define MPD_BITS_PER_UINT 32 104 typedef uint32_t mpd_uint_t; /* unsigned mod type */ 105 106 #ifndef MPD_LEGACY_COMPILER 107 #define MPD_UUINT_MAX UINT64_MAX 108 typedef uint64_t mpd_uuint_t; /* double width unsigned mod type */ 109 #endif 110 111 #define MPD_SIZE_MAX SIZE_MAX 112 typedef size_t mpd_size_t; /* unsigned size type */ 113 114 /* type for dec->len, dec->exp, ctx->prec */ 115 #define MPD_SSIZE_MAX INT32_MAX 116 #define MPD_SSIZE_MIN INT32_MIN 117 typedef int32_t mpd_ssize_t; 118 #define _mpd_strtossize strtol 119 120 /* decimal arithmetic */ 121 #define MPD_RADIX 1000000000UL /* 10**9 */ 122 #define MPD_RDIGITS 9 123 #define MPD_MAX_POW10 9 124 #define MPD_EXPDIGITS 10 /* MPD_EXPDIGITS <= MPD_RDIGITS+1 */ 125 126 #define MPD_MAXTRANSFORM_2N 33554432UL /* 2**25 */ 127 #define MPD_MAX_PREC 425000000L 128 #define MPD_MAX_PREC_LOG2 32 129 #define MPD_ELIMIT 425000001L 130 #define MPD_MAX_EMAX 425000000L /* ELIMIT-1 */ 131 #define MPD_MIN_EMIN (-425000000L) /* -EMAX */ 132 #define MPD_MIN_ETINY (MPD_MIN_EMIN-(MPD_MAX_PREC-1)) 133 #define MPD_EXP_INF 1000000001L /* allows for emax=999999999 in the tests */ 134 #define MPD_EXP_CLAMP (-2000000001L) /* allows for emin=-999999999 in the tests */ 135 #define MPD_MAXIMPORT 94444445L /* ceil((2*MPD_MAX_PREC)/MPD_RDIGITS) */ 136 #define MPD_IEEE_CONTEXT_MAX_BITS 256 /* 16*(log2(MPD_MAX_EMAX / 3)-3) */ 137 138 /* conversion specifiers */ 139 #define PRI_mpd_uint_t PRIu32 140 #define PRI_mpd_ssize_t PRIi32 141 142 #if MPD_SIZE_MAX != MPD_UINT_MAX 143 #error "unsupported platform: need mpd_size_t == mpd_uint_t" 144 #endif 145 146 147 /******************************************************************************/ 148 /* Context */ 149 /******************************************************************************/ 150 151 enum { 152 MPD_ROUND_UP, /* round away from 0 */ 153 MPD_ROUND_DOWN, /* round toward 0 (truncate) */ 154 MPD_ROUND_CEILING, /* round toward +infinity */ 155 MPD_ROUND_FLOOR, /* round toward -infinity */ 156 MPD_ROUND_HALF_UP, /* 0.5 is rounded up */ 157 MPD_ROUND_HALF_DOWN, /* 0.5 is rounded down */ 158 MPD_ROUND_HALF_EVEN, /* 0.5 is rounded to even */ 159 MPD_ROUND_05UP, /* round zero or five away from 0 */ 160 MPD_ROUND_TRUNC, /* truncate, but set infinity */ 161 MPD_ROUND_GUARD 162 }; 163 164 enum { MPD_CLAMP_DEFAULT, MPD_CLAMP_IEEE_754, MPD_CLAMP_GUARD }; 165 166 IMPORTEXPORT extern const char * const mpd_round_string[MPD_ROUND_GUARD]; 167 IMPORTEXPORT extern const char * const mpd_clamp_string[MPD_CLAMP_GUARD]; 168 169 170 typedef struct mpd_context_t { 171 mpd_ssize_t prec; /* precision */ 172 mpd_ssize_t emax; /* max positive exp */ 173 mpd_ssize_t emin; /* min negative exp */ 174 uint32_t traps; /* status events that should be trapped */ 175 uint32_t status; /* status flags */ 176 uint32_t newtrap; /* set by mpd_addstatus_raise() */ 177 int round; /* rounding mode */ 178 int clamp; /* clamp mode */ 179 int allcr; /* all functions correctly rounded */ 180 } mpd_context_t; 181 182 183 /* Status flags */ 184 #define MPD_Clamped 0x00000001U 185 #define MPD_Conversion_syntax 0x00000002U 186 #define MPD_Division_by_zero 0x00000004U 187 #define MPD_Division_impossible 0x00000008U 188 #define MPD_Division_undefined 0x00000010U 189 #define MPD_Fpu_error 0x00000020U 190 #define MPD_Inexact 0x00000040U 191 #define MPD_Invalid_context 0x00000080U 192 #define MPD_Invalid_operation 0x00000100U 193 #define MPD_Malloc_error 0x00000200U 194 #define MPD_Not_implemented 0x00000400U 195 #define MPD_Overflow 0x00000800U 196 #define MPD_Rounded 0x00001000U 197 #define MPD_Subnormal 0x00002000U 198 #define MPD_Underflow 0x00004000U 199 #define MPD_Max_status (0x00008000U-1U) 200 201 /* Conditions that result in an IEEE 754 exception */ 202 #define MPD_IEEE_Invalid_operation (MPD_Conversion_syntax | \ 203 MPD_Division_impossible | \ 204 MPD_Division_undefined | \ 205 MPD_Fpu_error | \ 206 MPD_Invalid_context | \ 207 MPD_Invalid_operation | \ 208 MPD_Malloc_error) \ 209 210 /* Errors that require the result of an operation to be set to NaN */ 211 #define MPD_Errors (MPD_IEEE_Invalid_operation | \ 212 MPD_Division_by_zero) 213 214 /* Default traps */ 215 #define MPD_Traps (MPD_IEEE_Invalid_operation | \ 216 MPD_Division_by_zero | \ 217 MPD_Overflow | \ 218 MPD_Underflow) 219 220 /* Official name */ 221 #define MPD_Insufficient_storage MPD_Malloc_error 222 223 /* IEEE 754 interchange format contexts */ 224 #define MPD_DECIMAL32 32 225 #define MPD_DECIMAL64 64 226 #define MPD_DECIMAL128 128 227 228 229 #define MPD_MINALLOC_MIN 2 230 #define MPD_MINALLOC_MAX 64 231 IMPORTEXPORT extern mpd_ssize_t MPD_MINALLOC; 232 IMPORTEXPORT extern void (* mpd_traphandler)(mpd_context_t *); 233 IMPORTEXPORT void mpd_dflt_traphandler(mpd_context_t *); 234 235 IMPORTEXPORT void mpd_setminalloc(mpd_ssize_t n); 236 IMPORTEXPORT void mpd_init(mpd_context_t *ctx, mpd_ssize_t prec); 237 238 IMPORTEXPORT void mpd_maxcontext(mpd_context_t *ctx); 239 IMPORTEXPORT void mpd_defaultcontext(mpd_context_t *ctx); 240 IMPORTEXPORT void mpd_basiccontext(mpd_context_t *ctx); 241 IMPORTEXPORT int mpd_ieee_context(mpd_context_t *ctx, int bits); 242 243 IMPORTEXPORT mpd_ssize_t mpd_getprec(const mpd_context_t *ctx); 244 IMPORTEXPORT mpd_ssize_t mpd_getemax(const mpd_context_t *ctx); 245 IMPORTEXPORT mpd_ssize_t mpd_getemin(const mpd_context_t *ctx); 246 IMPORTEXPORT int mpd_getround(const mpd_context_t *ctx); 247 IMPORTEXPORT uint32_t mpd_gettraps(const mpd_context_t *ctx); 248 IMPORTEXPORT uint32_t mpd_getstatus(const mpd_context_t *ctx); 249 IMPORTEXPORT int mpd_getclamp(const mpd_context_t *ctx); 250 IMPORTEXPORT int mpd_getcr(const mpd_context_t *ctx); 251 252 IMPORTEXPORT int mpd_qsetprec(mpd_context_t *ctx, mpd_ssize_t prec); 253 IMPORTEXPORT int mpd_qsetemax(mpd_context_t *ctx, mpd_ssize_t emax); 254 IMPORTEXPORT int mpd_qsetemin(mpd_context_t *ctx, mpd_ssize_t emin); 255 IMPORTEXPORT int mpd_qsetround(mpd_context_t *ctx, int newround); 256 IMPORTEXPORT int mpd_qsettraps(mpd_context_t *ctx, uint32_t flags); 257 IMPORTEXPORT int mpd_qsetstatus(mpd_context_t *ctx, uint32_t flags); 258 IMPORTEXPORT int mpd_qsetclamp(mpd_context_t *ctx, int c); 259 IMPORTEXPORT int mpd_qsetcr(mpd_context_t *ctx, int c); 260 IMPORTEXPORT void mpd_addstatus_raise(mpd_context_t *ctx, uint32_t flags); 261 262 263 /******************************************************************************/ 264 /* Decimal Arithmetic */ 265 /******************************************************************************/ 266 267 /* mpd_t flags */ 268 #define MPD_POS MPD_UINT8_C(0) 269 #define MPD_NEG MPD_UINT8_C(1) 270 #define MPD_INF MPD_UINT8_C(2) 271 #define MPD_NAN MPD_UINT8_C(4) 272 #define MPD_SNAN MPD_UINT8_C(8) 273 #define MPD_SPECIAL (MPD_INF|MPD_NAN|MPD_SNAN) 274 #define MPD_STATIC MPD_UINT8_C(16) 275 #define MPD_STATIC_DATA MPD_UINT8_C(32) 276 #define MPD_SHARED_DATA MPD_UINT8_C(64) 277 #define MPD_CONST_DATA MPD_UINT8_C(128) 278 #define MPD_DATAFLAGS (MPD_STATIC_DATA|MPD_SHARED_DATA|MPD_CONST_DATA) 279 280 /* mpd_t */ 281 typedef struct mpd_t { 282 uint8_t flags; 283 mpd_ssize_t exp; 284 mpd_ssize_t digits; 285 mpd_ssize_t len; 286 mpd_ssize_t alloc; 287 mpd_uint_t *data; 288 } mpd_t; 289 290 291 /******************************************************************************/ 292 /* Triple */ 293 /******************************************************************************/ 294 295 /* status cases for getting a triple */ 296 enum mpd_triple_class { 297 MPD_TRIPLE_NORMAL, 298 MPD_TRIPLE_INF, 299 MPD_TRIPLE_QNAN, 300 MPD_TRIPLE_SNAN, 301 MPD_TRIPLE_ERROR, 302 }; 303 304 typedef struct { 305 enum mpd_triple_class tag; 306 uint8_t sign; 307 uint64_t hi; 308 uint64_t lo; 309 int64_t exp; 310 } mpd_uint128_triple_t; 311 312 IMPORTEXPORT int mpd_from_uint128_triple(mpd_t *result, const mpd_uint128_triple_t *triple, uint32_t *status); 313 IMPORTEXPORT mpd_uint128_triple_t mpd_as_uint128_triple(const mpd_t *a); 314 315 316 /******************************************************************************/ 317 /* Quiet, thread-safe functions */ 318 /******************************************************************************/ 319 320 /* format specification */ 321 typedef struct mpd_spec_t { 322 mpd_ssize_t min_width; /* minimum field width */ 323 mpd_ssize_t prec; /* fraction digits or significant digits */ 324 char type; /* conversion specifier */ 325 char align; /* alignment */ 326 char sign; /* sign printing/alignment */ 327 char sign_coerce; /* coerce to positive zero */ 328 char fill[5]; /* fill character */ 329 const char *dot; /* decimal point */ 330 const char *sep; /* thousands separator */ 331 const char *grouping; /* grouping of digits */ 332 } mpd_spec_t; 333 334 /* output to a string */ 335 IMPORTEXPORT char *mpd_to_sci(const mpd_t *dec, int fmt); 336 IMPORTEXPORT char *mpd_to_eng(const mpd_t *dec, int fmt); 337 IMPORTEXPORT mpd_ssize_t mpd_to_sci_size(char **res, const mpd_t *dec, int fmt); 338 IMPORTEXPORT mpd_ssize_t mpd_to_eng_size(char **res, const mpd_t *dec, int fmt); 339 IMPORTEXPORT int mpd_validate_lconv(mpd_spec_t *spec); 340 IMPORTEXPORT int mpd_parse_fmt_str(mpd_spec_t *spec, const char *fmt, int caps); 341 IMPORTEXPORT char *mpd_qformat_spec(const mpd_t *dec, const mpd_spec_t *spec, const mpd_context_t *ctx, uint32_t *status); 342 IMPORTEXPORT char *mpd_qformat(const mpd_t *dec, const char *fmt, const mpd_context_t *ctx, uint32_t *status); 343 344 #define MPD_NUM_FLAGS 15 345 #define MPD_MAX_FLAG_STRING 208 346 #define MPD_MAX_FLAG_LIST (MPD_MAX_FLAG_STRING+18) 347 #define MPD_MAX_SIGNAL_LIST 121 348 IMPORTEXPORT int mpd_snprint_flags(char *dest, int nmemb, uint32_t flags); 349 IMPORTEXPORT int mpd_lsnprint_flags(char *dest, int nmemb, uint32_t flags, const char *flag_string[]); 350 IMPORTEXPORT int mpd_lsnprint_signals(char *dest, int nmemb, uint32_t flags, const char *signal_string[]); 351 352 /* output to a file */ 353 IMPORTEXPORT void mpd_fprint(FILE *file, const mpd_t *dec); 354 IMPORTEXPORT void mpd_print(const mpd_t *dec); 355 356 /* assignment from a string */ 357 IMPORTEXPORT void mpd_qset_string(mpd_t *dec, const char *s, const mpd_context_t *ctx, uint32_t *status); 358 IMPORTEXPORT void mpd_qset_string_exact(mpd_t *dec, const char *s, uint32_t *status); 359 360 /* set to NaN with error flags */ 361 IMPORTEXPORT void mpd_seterror(mpd_t *result, uint32_t flags, uint32_t *status); 362 /* set a special with sign and type */ 363 IMPORTEXPORT void mpd_setspecial(mpd_t *result, uint8_t sign, uint8_t type); 364 /* set coefficient to zero or all nines */ 365 IMPORTEXPORT void mpd_zerocoeff(mpd_t *result); 366 IMPORTEXPORT void mpd_qmaxcoeff(mpd_t *result, const mpd_context_t *ctx, uint32_t *status); 367 368 /* quietly assign a C integer type to an mpd_t */ 369 IMPORTEXPORT void mpd_qset_ssize(mpd_t *result, mpd_ssize_t a, const mpd_context_t *ctx, uint32_t *status); 370 IMPORTEXPORT void mpd_qset_i32(mpd_t *result, int32_t a, const mpd_context_t *ctx, uint32_t *status); 371 IMPORTEXPORT void mpd_qset_uint(mpd_t *result, mpd_uint_t a, const mpd_context_t *ctx, uint32_t *status); 372 IMPORTEXPORT void mpd_qset_u32(mpd_t *result, uint32_t a, const mpd_context_t *ctx, uint32_t *status); 373 #ifndef MPD_LEGACY_COMPILER 374 IMPORTEXPORT void mpd_qset_i64(mpd_t *result, int64_t a, const mpd_context_t *ctx, uint32_t *status); 375 IMPORTEXPORT void mpd_qset_u64(mpd_t *result, uint64_t a, const mpd_context_t *ctx, uint32_t *status); 376 IMPORTEXPORT void mpd_qset_i64_exact(mpd_t *result, int64_t a, uint32_t *status); 377 IMPORTEXPORT void mpd_qset_u64_exact(mpd_t *result, uint64_t a, uint32_t *status); 378 #endif 379 380 /* quietly assign a C integer type to an mpd_t with a static coefficient */ 381 IMPORTEXPORT void mpd_qsset_ssize(mpd_t *result, mpd_ssize_t a, const mpd_context_t *ctx, uint32_t *status); 382 IMPORTEXPORT void mpd_qsset_i32(mpd_t *result, int32_t a, const mpd_context_t *ctx, uint32_t *status); 383 IMPORTEXPORT void mpd_qsset_uint(mpd_t *result, mpd_uint_t a, const mpd_context_t *ctx, uint32_t *status); 384 IMPORTEXPORT void mpd_qsset_u32(mpd_t *result, uint32_t a, const mpd_context_t *ctx, uint32_t *status); 385 386 /* quietly get a C integer type from an mpd_t */ 387 IMPORTEXPORT mpd_ssize_t mpd_qget_ssize(const mpd_t *dec, uint32_t *status); 388 IMPORTEXPORT mpd_uint_t mpd_qget_uint(const mpd_t *dec, uint32_t *status); 389 IMPORTEXPORT mpd_uint_t mpd_qabs_uint(const mpd_t *dec, uint32_t *status); 390 391 IMPORTEXPORT int32_t mpd_qget_i32(const mpd_t *dec, uint32_t *status); 392 IMPORTEXPORT uint32_t mpd_qget_u32(const mpd_t *dec, uint32_t *status); 393 #ifndef MPD_LEGACY_COMPILER 394 IMPORTEXPORT int64_t mpd_qget_i64(const mpd_t *dec, uint32_t *status); 395 IMPORTEXPORT uint64_t mpd_qget_u64(const mpd_t *dec, uint32_t *status); 396 #endif 397 398 /* quiet functions */ 399 IMPORTEXPORT int mpd_qcheck_nan(mpd_t *nanresult, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 400 IMPORTEXPORT int mpd_qcheck_nans(mpd_t *nanresult, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 401 IMPORTEXPORT void mpd_qfinalize(mpd_t *result, const mpd_context_t *ctx, uint32_t *status); 402 403 IMPORTEXPORT const char *mpd_class(const mpd_t *a, const mpd_context_t *ctx); 404 405 IMPORTEXPORT int mpd_qcopy(mpd_t *result, const mpd_t *a, uint32_t *status); 406 IMPORTEXPORT int mpd_qcopy_cxx(mpd_t *result, const mpd_t *a); 407 IMPORTEXPORT mpd_t *mpd_qncopy(const mpd_t *a); 408 IMPORTEXPORT int mpd_qcopy_abs(mpd_t *result, const mpd_t *a, uint32_t *status); 409 IMPORTEXPORT int mpd_qcopy_negate(mpd_t *result, const mpd_t *a, uint32_t *status); 410 IMPORTEXPORT int mpd_qcopy_sign(mpd_t *result, const mpd_t *a, const mpd_t *b, uint32_t *status); 411 412 IMPORTEXPORT void mpd_qand(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 413 IMPORTEXPORT void mpd_qinvert(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 414 IMPORTEXPORT void mpd_qlogb(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 415 IMPORTEXPORT void mpd_qor(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 416 IMPORTEXPORT void mpd_qscaleb(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 417 IMPORTEXPORT void mpd_qxor(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 418 IMPORTEXPORT int mpd_same_quantum(const mpd_t *a, const mpd_t *b); 419 420 IMPORTEXPORT void mpd_qrotate(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 421 IMPORTEXPORT int mpd_qshiftl(mpd_t *result, const mpd_t *a, mpd_ssize_t n, uint32_t *status); 422 IMPORTEXPORT mpd_uint_t mpd_qshiftr(mpd_t *result, const mpd_t *a, mpd_ssize_t n, uint32_t *status); 423 IMPORTEXPORT mpd_uint_t mpd_qshiftr_inplace(mpd_t *result, mpd_ssize_t n); 424 IMPORTEXPORT void mpd_qshift(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 425 IMPORTEXPORT void mpd_qshiftn(mpd_t *result, const mpd_t *a, mpd_ssize_t n, const mpd_context_t *ctx, uint32_t *status); 426 427 IMPORTEXPORT int mpd_qcmp(const mpd_t *a, const mpd_t *b, uint32_t *status); 428 IMPORTEXPORT int mpd_qcompare(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 429 IMPORTEXPORT int mpd_qcompare_signal(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 430 IMPORTEXPORT int mpd_cmp_total(const mpd_t *a, const mpd_t *b); 431 IMPORTEXPORT int mpd_cmp_total_mag(const mpd_t *a, const mpd_t *b); 432 IMPORTEXPORT int mpd_compare_total(mpd_t *result, const mpd_t *a, const mpd_t *b); 433 IMPORTEXPORT int mpd_compare_total_mag(mpd_t *result, const mpd_t *a, const mpd_t *b); 434 435 IMPORTEXPORT void mpd_qround_to_intx(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 436 IMPORTEXPORT void mpd_qround_to_int(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 437 IMPORTEXPORT void mpd_qtrunc(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 438 IMPORTEXPORT void mpd_qfloor(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 439 IMPORTEXPORT void mpd_qceil(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 440 441 IMPORTEXPORT void mpd_qabs(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 442 IMPORTEXPORT void mpd_qmax(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 443 IMPORTEXPORT void mpd_qmax_mag(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 444 IMPORTEXPORT void mpd_qmin(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 445 IMPORTEXPORT void mpd_qmin_mag(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 446 IMPORTEXPORT void mpd_qminus(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 447 IMPORTEXPORT void mpd_qplus(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 448 IMPORTEXPORT void mpd_qnext_minus(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 449 IMPORTEXPORT void mpd_qnext_plus(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 450 IMPORTEXPORT void mpd_qnext_toward(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 451 IMPORTEXPORT void mpd_qquantize(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 452 IMPORTEXPORT void mpd_qrescale(mpd_t *result, const mpd_t *a, mpd_ssize_t exp, const mpd_context_t *ctx, uint32_t *status); 453 IMPORTEXPORT void mpd_qrescale_fmt(mpd_t *result, const mpd_t *a, mpd_ssize_t exp, const mpd_context_t *ctx, uint32_t *status); 454 IMPORTEXPORT void mpd_qreduce(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 455 IMPORTEXPORT void mpd_qadd(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 456 IMPORTEXPORT void mpd_qadd_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, const mpd_context_t *ctx, uint32_t *status); 457 IMPORTEXPORT void mpd_qadd_i32(mpd_t *result, const mpd_t *a, int32_t b, const mpd_context_t *ctx, uint32_t *status); 458 IMPORTEXPORT void mpd_qadd_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, const mpd_context_t *ctx, uint32_t *status); 459 IMPORTEXPORT void mpd_qadd_u32(mpd_t *result, const mpd_t *a, uint32_t b, const mpd_context_t *ctx, uint32_t *status); 460 IMPORTEXPORT void mpd_qsub(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 461 IMPORTEXPORT void mpd_qsub_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, const mpd_context_t *ctx, uint32_t *status); 462 IMPORTEXPORT void mpd_qsub_i32(mpd_t *result, const mpd_t *a, int32_t b, const mpd_context_t *ctx, uint32_t *status); 463 IMPORTEXPORT void mpd_qsub_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, const mpd_context_t *ctx, uint32_t *status); 464 IMPORTEXPORT void mpd_qsub_u32(mpd_t *result, const mpd_t *a, uint32_t b, const mpd_context_t *ctx, uint32_t *status); 465 IMPORTEXPORT void mpd_qmul(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 466 IMPORTEXPORT void mpd_qmul_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, const mpd_context_t *ctx, uint32_t *status); 467 IMPORTEXPORT void mpd_qmul_i32(mpd_t *result, const mpd_t *a, int32_t b, const mpd_context_t *ctx, uint32_t *status); 468 IMPORTEXPORT void mpd_qmul_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, const mpd_context_t *ctx, uint32_t *status); 469 IMPORTEXPORT void mpd_qmul_u32(mpd_t *result, const mpd_t *a, uint32_t b, const mpd_context_t *ctx, uint32_t *status); 470 IMPORTEXPORT void mpd_qfma(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_t *c, const mpd_context_t *ctx, uint32_t *status); 471 IMPORTEXPORT void mpd_qdiv(mpd_t *q, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 472 IMPORTEXPORT void mpd_qdiv_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, const mpd_context_t *ctx, uint32_t *status); 473 IMPORTEXPORT void mpd_qdiv_i32(mpd_t *result, const mpd_t *a, int32_t b, const mpd_context_t *ctx, uint32_t *status); 474 IMPORTEXPORT void mpd_qdiv_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, const mpd_context_t *ctx, uint32_t *status); 475 IMPORTEXPORT void mpd_qdiv_u32(mpd_t *result, const mpd_t *a, uint32_t b, const mpd_context_t *ctx, uint32_t *status); 476 IMPORTEXPORT void mpd_qdivint(mpd_t *q, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 477 IMPORTEXPORT void mpd_qrem(mpd_t *r, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 478 IMPORTEXPORT void mpd_qrem_near(mpd_t *r, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 479 IMPORTEXPORT void mpd_qdivmod(mpd_t *q, mpd_t *r, const mpd_t *a, const mpd_t *b, const mpd_context_t *ctx, uint32_t *status); 480 IMPORTEXPORT void mpd_qpow(mpd_t *result, const mpd_t *base, const mpd_t *exp, const mpd_context_t *ctx, uint32_t *status); 481 IMPORTEXPORT void mpd_qpowmod(mpd_t *result, const mpd_t *base, const mpd_t *exp, const mpd_t *mod, const mpd_context_t *ctx, uint32_t *status); 482 IMPORTEXPORT void mpd_qexp(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 483 IMPORTEXPORT void mpd_qln10(mpd_t *result, mpd_ssize_t prec, uint32_t *status); 484 IMPORTEXPORT void mpd_qln(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 485 IMPORTEXPORT void mpd_qlog10(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 486 IMPORTEXPORT void mpd_qsqrt(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 487 IMPORTEXPORT void mpd_qinvroot(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, uint32_t *status); 488 #ifndef MPD_LEGACY_COMPILER 489 IMPORTEXPORT void mpd_qadd_i64(mpd_t *result, const mpd_t *a, int64_t b, const mpd_context_t *ctx, uint32_t *status); 490 IMPORTEXPORT void mpd_qadd_u64(mpd_t *result, const mpd_t *a, uint64_t b, const mpd_context_t *ctx, uint32_t *status); 491 IMPORTEXPORT void mpd_qsub_i64(mpd_t *result, const mpd_t *a, int64_t b, const mpd_context_t *ctx, uint32_t *status); 492 IMPORTEXPORT void mpd_qsub_u64(mpd_t *result, const mpd_t *a, uint64_t b, const mpd_context_t *ctx, uint32_t *status); 493 IMPORTEXPORT void mpd_qmul_i64(mpd_t *result, const mpd_t *a, int64_t b, const mpd_context_t *ctx, uint32_t *status); 494 IMPORTEXPORT void mpd_qmul_u64(mpd_t *result, const mpd_t *a, uint64_t b, const mpd_context_t *ctx, uint32_t *status); 495 IMPORTEXPORT void mpd_qdiv_i64(mpd_t *result, const mpd_t *a, int64_t b, const mpd_context_t *ctx, uint32_t *status); 496 IMPORTEXPORT void mpd_qdiv_u64(mpd_t *result, const mpd_t *a, uint64_t b, const mpd_context_t *ctx, uint32_t *status); 497 #endif 498 499 500 IMPORTEXPORT size_t mpd_sizeinbase(const mpd_t *a, uint32_t base); 501 IMPORTEXPORT void mpd_qimport_u16(mpd_t *result, const uint16_t *srcdata, size_t srclen, 502 uint8_t srcsign, uint32_t srcbase, 503 const mpd_context_t *ctx, uint32_t *status); 504 IMPORTEXPORT void mpd_qimport_u32(mpd_t *result, const uint32_t *srcdata, size_t srclen, 505 uint8_t srcsign, uint32_t srcbase, 506 const mpd_context_t *ctx, uint32_t *status); 507 IMPORTEXPORT size_t mpd_qexport_u16(uint16_t **rdata, size_t rlen, uint32_t base, 508 const mpd_t *src, uint32_t *status); 509 IMPORTEXPORT size_t mpd_qexport_u32(uint32_t **rdata, size_t rlen, uint32_t base, 510 const mpd_t *src, uint32_t *status); 511 512 513 /******************************************************************************/ 514 /* Signalling functions */ 515 /******************************************************************************/ 516 517 IMPORTEXPORT char *mpd_format(const mpd_t *dec, const char *fmt, mpd_context_t *ctx); 518 IMPORTEXPORT void mpd_import_u16(mpd_t *result, const uint16_t *srcdata, size_t srclen, uint8_t srcsign, uint32_t base, mpd_context_t *ctx); 519 IMPORTEXPORT void mpd_import_u32(mpd_t *result, const uint32_t *srcdata, size_t srclen, uint8_t srcsign, uint32_t base, mpd_context_t *ctx); 520 IMPORTEXPORT size_t mpd_export_u16(uint16_t **rdata, size_t rlen, uint32_t base, const mpd_t *src, mpd_context_t *ctx); 521 IMPORTEXPORT size_t mpd_export_u32(uint32_t **rdata, size_t rlen, uint32_t base, const mpd_t *src, mpd_context_t *ctx); 522 IMPORTEXPORT void mpd_finalize(mpd_t *result, mpd_context_t *ctx); 523 IMPORTEXPORT int mpd_check_nan(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 524 IMPORTEXPORT int mpd_check_nans(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 525 IMPORTEXPORT void mpd_set_string(mpd_t *result, const char *s, mpd_context_t *ctx); 526 IMPORTEXPORT void mpd_maxcoeff(mpd_t *result, mpd_context_t *ctx); 527 IMPORTEXPORT void mpd_sset_ssize(mpd_t *result, mpd_ssize_t a, mpd_context_t *ctx); 528 IMPORTEXPORT void mpd_sset_i32(mpd_t *result, int32_t a, mpd_context_t *ctx); 529 IMPORTEXPORT void mpd_sset_uint(mpd_t *result, mpd_uint_t a, mpd_context_t *ctx); 530 IMPORTEXPORT void mpd_sset_u32(mpd_t *result, uint32_t a, mpd_context_t *ctx); 531 IMPORTEXPORT void mpd_set_ssize(mpd_t *result, mpd_ssize_t a, mpd_context_t *ctx); 532 IMPORTEXPORT void mpd_set_i32(mpd_t *result, int32_t a, mpd_context_t *ctx); 533 IMPORTEXPORT void mpd_set_uint(mpd_t *result, mpd_uint_t a, mpd_context_t *ctx); 534 IMPORTEXPORT void mpd_set_u32(mpd_t *result, uint32_t a, mpd_context_t *ctx); 535 #ifndef MPD_LEGACY_COMPILER 536 IMPORTEXPORT void mpd_set_i64(mpd_t *result, int64_t a, mpd_context_t *ctx); 537 IMPORTEXPORT void mpd_set_u64(mpd_t *result, uint64_t a, mpd_context_t *ctx); 538 #endif 539 IMPORTEXPORT mpd_ssize_t mpd_get_ssize(const mpd_t *a, mpd_context_t *ctx); 540 IMPORTEXPORT mpd_uint_t mpd_get_uint(const mpd_t *a, mpd_context_t *ctx); 541 IMPORTEXPORT mpd_uint_t mpd_abs_uint(const mpd_t *a, mpd_context_t *ctx); 542 IMPORTEXPORT int32_t mpd_get_i32(const mpd_t *a, mpd_context_t *ctx); 543 IMPORTEXPORT uint32_t mpd_get_u32(const mpd_t *a, mpd_context_t *ctx); 544 #ifndef MPD_LEGACY_COMPILER 545 IMPORTEXPORT int64_t mpd_get_i64(const mpd_t *a, mpd_context_t *ctx); 546 IMPORTEXPORT uint64_t mpd_get_u64(const mpd_t *a, mpd_context_t *ctx); 547 #endif 548 IMPORTEXPORT void mpd_and(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 549 IMPORTEXPORT void mpd_copy(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 550 IMPORTEXPORT void mpd_canonical(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 551 IMPORTEXPORT void mpd_copy_abs(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 552 IMPORTEXPORT void mpd_copy_negate(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 553 IMPORTEXPORT void mpd_copy_sign(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 554 IMPORTEXPORT void mpd_invert(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 555 IMPORTEXPORT void mpd_logb(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 556 IMPORTEXPORT void mpd_or(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 557 IMPORTEXPORT void mpd_rotate(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 558 IMPORTEXPORT void mpd_scaleb(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 559 IMPORTEXPORT void mpd_shiftl(mpd_t *result, const mpd_t *a, mpd_ssize_t n, mpd_context_t *ctx); 560 IMPORTEXPORT mpd_uint_t mpd_shiftr(mpd_t *result, const mpd_t *a, mpd_ssize_t n, mpd_context_t *ctx); 561 IMPORTEXPORT void mpd_shiftn(mpd_t *result, const mpd_t *a, mpd_ssize_t n, mpd_context_t *ctx); 562 IMPORTEXPORT void mpd_shift(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 563 IMPORTEXPORT void mpd_xor(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 564 IMPORTEXPORT void mpd_abs(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 565 IMPORTEXPORT int mpd_cmp(const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 566 IMPORTEXPORT int mpd_compare(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 567 IMPORTEXPORT int mpd_compare_signal(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 568 IMPORTEXPORT void mpd_add(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 569 IMPORTEXPORT void mpd_add_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, mpd_context_t *ctx); 570 IMPORTEXPORT void mpd_add_i32(mpd_t *result, const mpd_t *a, int32_t b, mpd_context_t *ctx); 571 IMPORTEXPORT void mpd_add_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, mpd_context_t *ctx); 572 IMPORTEXPORT void mpd_add_u32(mpd_t *result, const mpd_t *a, uint32_t b, mpd_context_t *ctx); 573 IMPORTEXPORT void mpd_sub(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 574 IMPORTEXPORT void mpd_sub_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, mpd_context_t *ctx); 575 IMPORTEXPORT void mpd_sub_i32(mpd_t *result, const mpd_t *a, int32_t b, mpd_context_t *ctx); 576 IMPORTEXPORT void mpd_sub_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, mpd_context_t *ctx); 577 IMPORTEXPORT void mpd_sub_u32(mpd_t *result, const mpd_t *a, uint32_t b, mpd_context_t *ctx); 578 IMPORTEXPORT void mpd_div(mpd_t *q, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 579 IMPORTEXPORT void mpd_div_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, mpd_context_t *ctx); 580 IMPORTEXPORT void mpd_div_i32(mpd_t *result, const mpd_t *a, int32_t b, mpd_context_t *ctx); 581 IMPORTEXPORT void mpd_div_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, mpd_context_t *ctx); 582 IMPORTEXPORT void mpd_div_u32(mpd_t *result, const mpd_t *a, uint32_t b, mpd_context_t *ctx); 583 IMPORTEXPORT void mpd_divmod(mpd_t *q, mpd_t *r, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 584 IMPORTEXPORT void mpd_divint(mpd_t *q, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 585 IMPORTEXPORT void mpd_exp(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 586 IMPORTEXPORT void mpd_fma(mpd_t *result, const mpd_t *a, const mpd_t *b, const mpd_t *c, mpd_context_t *ctx); 587 IMPORTEXPORT void mpd_ln(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 588 IMPORTEXPORT void mpd_log10(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 589 IMPORTEXPORT void mpd_max(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 590 IMPORTEXPORT void mpd_max_mag(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 591 IMPORTEXPORT void mpd_min(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 592 IMPORTEXPORT void mpd_min_mag(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 593 IMPORTEXPORT void mpd_minus(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 594 IMPORTEXPORT void mpd_mul(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 595 IMPORTEXPORT void mpd_mul_ssize(mpd_t *result, const mpd_t *a, mpd_ssize_t b, mpd_context_t *ctx); 596 IMPORTEXPORT void mpd_mul_i32(mpd_t *result, const mpd_t *a, int32_t b, mpd_context_t *ctx); 597 IMPORTEXPORT void mpd_mul_uint(mpd_t *result, const mpd_t *a, mpd_uint_t b, mpd_context_t *ctx); 598 IMPORTEXPORT void mpd_mul_u32(mpd_t *result, const mpd_t *a, uint32_t b, mpd_context_t *ctx); 599 IMPORTEXPORT void mpd_next_minus(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 600 IMPORTEXPORT void mpd_next_plus(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 601 IMPORTEXPORT void mpd_next_toward(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 602 IMPORTEXPORT void mpd_plus(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 603 IMPORTEXPORT void mpd_pow(mpd_t *result, const mpd_t *base, const mpd_t *exp, mpd_context_t *ctx); 604 IMPORTEXPORT void mpd_powmod(mpd_t *result, const mpd_t *base, const mpd_t *exp, const mpd_t *mod, mpd_context_t *ctx); 605 IMPORTEXPORT void mpd_quantize(mpd_t *result, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 606 IMPORTEXPORT void mpd_rescale(mpd_t *result, const mpd_t *a, mpd_ssize_t exp, mpd_context_t *ctx); 607 IMPORTEXPORT void mpd_reduce(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 608 IMPORTEXPORT void mpd_rem(mpd_t *r, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 609 IMPORTEXPORT void mpd_rem_near(mpd_t *r, const mpd_t *a, const mpd_t *b, mpd_context_t *ctx); 610 IMPORTEXPORT void mpd_round_to_intx(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 611 IMPORTEXPORT void mpd_round_to_int(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 612 IMPORTEXPORT void mpd_trunc(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 613 IMPORTEXPORT void mpd_floor(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 614 IMPORTEXPORT void mpd_ceil(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 615 IMPORTEXPORT void mpd_sqrt(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 616 IMPORTEXPORT void mpd_invroot(mpd_t *result, const mpd_t *a, mpd_context_t *ctx); 617 618 #ifndef MPD_LEGACY_COMPILER 619 IMPORTEXPORT void mpd_add_i64(mpd_t *result, const mpd_t *a, int64_t b, mpd_context_t *ctx); 620 IMPORTEXPORT void mpd_add_u64(mpd_t *result, const mpd_t *a, uint64_t b, mpd_context_t *ctx); 621 IMPORTEXPORT void mpd_sub_i64(mpd_t *result, const mpd_t *a, int64_t b, mpd_context_t *ctx); 622 IMPORTEXPORT void mpd_sub_u64(mpd_t *result, const mpd_t *a, uint64_t b, mpd_context_t *ctx); 623 IMPORTEXPORT void mpd_div_i64(mpd_t *result, const mpd_t *a, int64_t b, mpd_context_t *ctx); 624 IMPORTEXPORT void mpd_div_u64(mpd_t *result, const mpd_t *a, uint64_t b, mpd_context_t *ctx); 625 IMPORTEXPORT void mpd_mul_i64(mpd_t *result, const mpd_t *a, int64_t b, mpd_context_t *ctx); 626 IMPORTEXPORT void mpd_mul_u64(mpd_t *result, const mpd_t *a, uint64_t b, mpd_context_t *ctx); 627 #endif 628 629 630 /******************************************************************************/ 631 /* Get attributes of a decimal */ 632 /******************************************************************************/ 633 634 IMPORTEXPORT EXTINLINE mpd_ssize_t mpd_adjexp(const mpd_t *dec); 635 IMPORTEXPORT EXTINLINE mpd_ssize_t mpd_etiny(const mpd_context_t *ctx); 636 IMPORTEXPORT EXTINLINE mpd_ssize_t mpd_etop(const mpd_context_t *ctx); 637 IMPORTEXPORT EXTINLINE mpd_uint_t mpd_msword(const mpd_t *dec); 638 IMPORTEXPORT EXTINLINE int mpd_word_digits(mpd_uint_t word); 639 /* most significant digit of a word */ 640 IMPORTEXPORT EXTINLINE mpd_uint_t mpd_msd(mpd_uint_t word); 641 /* least significant digit of a word */ 642 IMPORTEXPORT EXTINLINE mpd_uint_t mpd_lsd(mpd_uint_t word); 643 /* coefficient size needed to store 'digits' */ 644 IMPORTEXPORT EXTINLINE mpd_ssize_t mpd_digits_to_size(mpd_ssize_t digits); 645 /* number of digits in the exponent, undefined for MPD_SSIZE_MIN */ 646 IMPORTEXPORT EXTINLINE int mpd_exp_digits(mpd_ssize_t exp); 647 IMPORTEXPORT EXTINLINE int mpd_iscanonical(const mpd_t *dec); 648 IMPORTEXPORT EXTINLINE int mpd_isfinite(const mpd_t *dec); 649 IMPORTEXPORT EXTINLINE int mpd_isinfinite(const mpd_t *dec); 650 IMPORTEXPORT EXTINLINE int mpd_isinteger(const mpd_t *dec); 651 IMPORTEXPORT EXTINLINE int mpd_isnan(const mpd_t *dec); 652 IMPORTEXPORT EXTINLINE int mpd_isnegative(const mpd_t *dec); 653 IMPORTEXPORT EXTINLINE int mpd_ispositive(const mpd_t *dec); 654 IMPORTEXPORT EXTINLINE int mpd_isqnan(const mpd_t *dec); 655 IMPORTEXPORT EXTINLINE int mpd_issigned(const mpd_t *dec); 656 IMPORTEXPORT EXTINLINE int mpd_issnan(const mpd_t *dec); 657 IMPORTEXPORT EXTINLINE int mpd_isspecial(const mpd_t *dec); 658 IMPORTEXPORT EXTINLINE int mpd_iszero(const mpd_t *dec); 659 /* undefined for special numbers */ 660 IMPORTEXPORT EXTINLINE int mpd_iszerocoeff(const mpd_t *dec); 661 IMPORTEXPORT EXTINLINE int mpd_isnormal(const mpd_t *dec, const mpd_context_t *ctx); 662 IMPORTEXPORT EXTINLINE int mpd_issubnormal(const mpd_t *dec, const mpd_context_t *ctx); 663 /* odd word */ 664 IMPORTEXPORT EXTINLINE int mpd_isoddword(mpd_uint_t word); 665 /* odd coefficient */ 666 IMPORTEXPORT EXTINLINE int mpd_isoddcoeff(const mpd_t *dec); 667 /* odd decimal, only defined for integers */ 668 IMPORTEXPORT int mpd_isodd(const mpd_t *dec); 669 /* even decimal, only defined for integers */ 670 IMPORTEXPORT int mpd_iseven(const mpd_t *dec); 671 /* 0 if dec is positive, 1 if dec is negative */ 672 IMPORTEXPORT EXTINLINE uint8_t mpd_sign(const mpd_t *dec); 673 /* 1 if dec is positive, -1 if dec is negative */ 674 IMPORTEXPORT EXTINLINE int mpd_arith_sign(const mpd_t *dec); 675 IMPORTEXPORT EXTINLINE long mpd_radix(void); 676 IMPORTEXPORT EXTINLINE int mpd_isdynamic(const mpd_t *dec); 677 IMPORTEXPORT EXTINLINE int mpd_isstatic(const mpd_t *dec); 678 IMPORTEXPORT EXTINLINE int mpd_isdynamic_data(const mpd_t *dec); 679 IMPORTEXPORT EXTINLINE int mpd_isstatic_data(const mpd_t *dec); 680 IMPORTEXPORT EXTINLINE int mpd_isshared_data(const mpd_t *dec); 681 IMPORTEXPORT EXTINLINE int mpd_isconst_data(const mpd_t *dec); 682 IMPORTEXPORT mpd_ssize_t mpd_trail_zeros(const mpd_t *dec); 683 684 685 /******************************************************************************/ 686 /* Set attributes of a decimal */ 687 /******************************************************************************/ 688 689 /* set number of decimal digits in the coefficient */ 690 IMPORTEXPORT EXTINLINE void mpd_setdigits(mpd_t *result); 691 IMPORTEXPORT EXTINLINE void mpd_set_sign(mpd_t *result, uint8_t sign); 692 /* copy sign from another decimal */ 693 IMPORTEXPORT EXTINLINE void mpd_signcpy(mpd_t *result, const mpd_t *a); 694 IMPORTEXPORT EXTINLINE void mpd_set_infinity(mpd_t *result); 695 IMPORTEXPORT EXTINLINE void mpd_set_qnan(mpd_t *result); 696 IMPORTEXPORT EXTINLINE void mpd_set_snan(mpd_t *result); 697 IMPORTEXPORT EXTINLINE void mpd_set_negative(mpd_t *result); 698 IMPORTEXPORT EXTINLINE void mpd_set_positive(mpd_t *result); 699 IMPORTEXPORT EXTINLINE void mpd_set_dynamic(mpd_t *result); 700 IMPORTEXPORT EXTINLINE void mpd_set_static(mpd_t *result); 701 IMPORTEXPORT EXTINLINE void mpd_set_dynamic_data(mpd_t *result); 702 IMPORTEXPORT EXTINLINE void mpd_set_static_data(mpd_t *result); 703 IMPORTEXPORT EXTINLINE void mpd_set_shared_data(mpd_t *result); 704 IMPORTEXPORT EXTINLINE void mpd_set_const_data(mpd_t *result); 705 IMPORTEXPORT EXTINLINE void mpd_clear_flags(mpd_t *result); 706 IMPORTEXPORT EXTINLINE void mpd_set_flags(mpd_t *result, uint8_t flags); 707 IMPORTEXPORT EXTINLINE void mpd_copy_flags(mpd_t *result, const mpd_t *a); 708 709 710 /******************************************************************************/ 711 /* Error Macros */ 712 /******************************************************************************/ 713 714 #define mpd_err_fatal(...) \ 715 do {fprintf(stderr, "%s:%d: error: ", __FILE__, __LINE__); \ 716 fprintf(stderr, __VA_ARGS__); fputc('\n', stderr); \ 717 abort(); \ 718 } while (0) 719 #define mpd_err_warn(...) \ 720 do {fprintf(stderr, "%s:%d: warning: ", __FILE__, __LINE__); \ 721 fprintf(stderr, __VA_ARGS__); fputc('\n', stderr); \ 722 } while (0) 723 724 725 /******************************************************************************/ 726 /* Memory handling */ 727 /******************************************************************************/ 728 729 IMPORTEXPORT extern void *(* mpd_mallocfunc)(size_t size); 730 IMPORTEXPORT extern void *(* mpd_callocfunc)(size_t nmemb, size_t size); 731 IMPORTEXPORT extern void *(* mpd_reallocfunc)(void *ptr, size_t size); 732 IMPORTEXPORT extern void (* mpd_free)(void *ptr); 733 734 IMPORTEXPORT void *mpd_callocfunc_em(size_t nmemb, size_t size); 735 736 IMPORTEXPORT void *mpd_alloc(mpd_size_t nmemb, mpd_size_t size); 737 IMPORTEXPORT void *mpd_calloc(mpd_size_t nmemb, mpd_size_t size); 738 IMPORTEXPORT void *mpd_realloc(void *ptr, mpd_size_t nmemb, mpd_size_t size, uint8_t *err); 739 IMPORTEXPORT void *mpd_sh_alloc(mpd_size_t struct_size, mpd_size_t nmemb, mpd_size_t size); 740 741 IMPORTEXPORT mpd_t *mpd_qnew(void); 742 IMPORTEXPORT mpd_t *mpd_new(mpd_context_t *ctx); 743 IMPORTEXPORT mpd_t *mpd_qnew_size(mpd_ssize_t nwords); 744 IMPORTEXPORT EXTINLINE void mpd_del(mpd_t *dec); 745 746 IMPORTEXPORT EXTINLINE void mpd_uint_zero(mpd_uint_t *dest, mpd_size_t len); 747 IMPORTEXPORT EXTINLINE int mpd_qresize(mpd_t *result, mpd_ssize_t nwords, uint32_t *status); 748 IMPORTEXPORT EXTINLINE int mpd_qresize_zero(mpd_t *result, mpd_ssize_t nwords, uint32_t *status); 749 IMPORTEXPORT EXTINLINE void mpd_minalloc(mpd_t *result); 750 751 IMPORTEXPORT int mpd_resize(mpd_t *result, mpd_ssize_t nwords, mpd_context_t *ctx); 752 IMPORTEXPORT int mpd_resize_zero(mpd_t *result, mpd_ssize_t nwords, mpd_context_t *ctx); 753 754 #undef IMPORTEXPORT 755 #undef EXTINLINE 756 757 #ifdef __cplusplus 758 } /* END extern "C" */ 759 #endif 760 761 762 #endif /* LIBMPDEC_MPDECIMAL_H_ */ 763