libgfortran/c99_protos.h

   1 /* Declarations of various C99 functions
   2    Copyright (C) 2004-2021 Free Software Foundation, Inc.
   3
   4 This file is part of the GNU Fortran 95 runtime library (libgfortran).
   5
   6 Libgfortran is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 3, or (at your option)
   9 any later version.
  10
  11 Libgfortran is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 Under Section 7 of GPL version 3, you are granted additional
  17 permissions described in the GCC Runtime Library Exception, version
  18 3.1, as published by the Free Software Foundation.
  19
  20 You should have received a copy of the GNU General Public License and
  21 a copy of the GCC Runtime Library Exception along with this program;
  22 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23 <http://www.gnu.org/licenses/>.  */
  24
  25 #ifndef C99_PROTOS_H
  26 #define C99_PROTOS_H 1
  27
  28 /* float variants of libm functions */
  29 #ifndef HAVE_ACOSF
  30 #define HAVE_ACOSF 1
  31 extern float acosf(float);
  32 #endif
  33
  34 #if HAVE_ACOSH && !HAVE_ACOSHF
  35 #define HAVE_ACOSHF 1
  36 extern float acoshf(float);
  37 #endif
  38
  39 #ifndef HAVE_ASINF
  40 #define HAVE_ASINF 1
  41 extern float asinf(float);
  42 #endif
  43
  44 #if HAVE_ASINH && !HAVE_ASINHF
  45 #define HAVE_ASINHF 1
  46 extern float asinhf(float);
  47 #endif
  48
  49 #ifndef HAVE_ATAN2F
  50 #define HAVE_ATAN2F 1
  51 extern float atan2f(float, float);
  52 #endif
  53
  54 #ifndef HAVE_ATANF
  55 #define HAVE_ATANF 1
  56 extern float atanf(float);
  57 #endif
  58
  59 #if HAVE_ATANH && !HAVE_ATANHF
  60 #define HAVE_ATANHF 1
  61 extern float atanhf(float);
  62 #endif
  63
  64 #ifndef HAVE_CEILF
  65 #define HAVE_CEILF 1
  66 extern float ceilf(float);
  67 #endif
  68
  69 #ifndef HAVE_COPYSIGNF
  70 #define HAVE_COPYSIGNF 1
  71 extern float copysignf(float, float);
  72 #endif
  73
  74 #if !defined(HAVE_COPYSIGN) && defined(HAVE_INLINE_BUILTIN_COPYSIGN)
  75 #define HAVE_COPYSIGN 1
  76 extern double copysign(double, double);
  77 #endif
  78
  79 #if !defined(HAVE_COPYSIGNL) && defined(HAVE_INLINE_BUILTIN_COPYSIGNL)
  80 #define HAVE_COPYSIGNL 1
  81 extern long double copysignl(long double, long double);
  82 #endif
  83
  84 #ifndef HAVE_COSF
  85 #define HAVE_COSF 1
  86 extern float cosf(float);
  87 #endif
  88
  89 #ifndef HAVE_COSHF
  90 #define HAVE_COSHF 1
  91 extern float coshf(float);
  92 #endif
  93
  94 #ifndef HAVE_EXPF
  95 #define HAVE_EXPF 1
  96 extern float expf(float);
  97 #endif
  98
  99 #ifndef HAVE_FABSF
 100 #define HAVE_FABSF 1
 101 extern float fabsf(float);
 102 #endif
 103
 104 #if !defined(HAVE_FABS) && defined(HAVE_INLINE_BUILTIN_FABS)
 105 #define HAVE_FABS 1
 106 extern double fabs(double);
 107 #endif
 108
 109 #if !defined(HAVE_FABSL) && defined(HAVE_INLINE_BUILTIN_FABSL)
 110 #define HAVE_FABSL 1
 111 extern long double fabsl(long double);
 112 #endif
 113
 114 #ifndef HAVE_FLOORF
 115 #define HAVE_FLOORF 1
 116 extern float floorf(float);
 117 #endif
 118
 119 #ifndef HAVE_FLOORL
 120 #define HAVE_FLOORL 1
 121 extern long double floorl (long double x);
 122 #endif
 123
 124 #ifndef HAVE_FMODF
 125 #define HAVE_FMODF 1
 126 extern float fmodf (float x, float y);
 127 #endif
 128
 129 #ifndef HAVE_FMODL
 130 #define HAVE_FMODL 1
 131 extern long double fmodl (long double x, long double y);
 132 #endif
 133
 134 #ifndef HAVE_FREXPF
 135 #define HAVE_FREXPF 1
 136 extern float frexpf(float, int *);
 137 #endif
 138
 139 #ifndef HAVE_HYPOTF
 140 #define HAVE_HYPOTF 1
 141 extern float hypotf(float, float);
 142 #endif
 143
 144 #ifndef HAVE_LOGF
 145 #define HAVE_LOGF 1
 146 extern float logf(float);
 147 #endif
 148
 149 #ifndef HAVE_LOG10F
 150 #define HAVE_LOG10F 1
 151 extern float log10f(float);
 152 #endif
 153
 154 #ifndef HAVE_SCALBN
 155 #define HAVE_SCALBN 1
 156 extern double scalbn(double, int);
 157 #endif
 158
 159 #ifndef HAVE_SCALBNF
 160 #define HAVE_SCALBNF 1
 161 extern float scalbnf(float, int);
 162 #endif
 163
 164 #ifndef HAVE_SINF
 165 #define HAVE_SINF 1
 166 extern float sinf(float);
 167 #endif
 168
 169 #ifndef HAVE_SINHF
 170 #define HAVE_SINHF 1
 171 extern float sinhf(float);
 172 #endif
 173
 174 #ifndef HAVE_SQRTF
 175 #define HAVE_SQRTF 1
 176 extern float sqrtf(float);
 177 #endif
 178
 179 #ifndef HAVE_TANF
 180 #define HAVE_TANF 1
 181 extern float tanf(float);
 182 #endif
 183
 184 #ifndef HAVE_TANHF
 185 #define HAVE_TANHF 1
 186 extern float tanhf(float);
 187 #endif
 188
 189 #ifndef HAVE_TRUNC
 190 #define HAVE_TRUNC 1
 191 extern double trunc(double);
 192 #endif
 193
 194 #ifndef HAVE_TRUNCF
 195 #define HAVE_TRUNCF 1
 196 extern float truncf(float);
 197 #endif
 198
 199 #ifndef HAVE_NEXTAFTERF
 200 #define HAVE_NEXTAFTERF 1
 201 extern float nextafterf(float, float);
 202 #endif
 203
 204 #ifndef HAVE_POWF
 205 #define HAVE_POWF 1
 206 extern float powf(float, float);
 207 #endif
 208
 209 #ifndef HAVE_ROUND
 210 #define HAVE_ROUND 1
 211 extern double round(double);
 212 #endif
 213
 214 #ifndef HAVE_ROUNDF
 215 #define HAVE_ROUNDF 1
 216 extern float roundf(float);
 217 #endif
 218
 219 #if !defined(HAVE_ROUNDL)
 220 #define HAVE_ROUNDL 1
 221 extern long double roundl(long double);
 222 #endif
 223
 224
 225
 226 #if !defined(HAVE_LROUNDF) && defined(HAVE_ROUNDF)
 227 #define HAVE_LROUNDF 1
 228 long int lroundf (float);
 229 #endif
 230
 231 #if !defined(HAVE_LROUND) && defined(HAVE_ROUND)
 232 #define HAVE_LROUND 1
 233 long int lround (double);
 234 #endif
 235
 236 #if !defined(HAVE_LROUNDL) && defined(HAVE_ROUNDL)
 237 #define HAVE_LROUNDL 1
 238 long int lroundl (long double);
 239 #endif
 240
 241 #if !defined(HAVE_LLROUNDF) && defined(HAVE_ROUNDF)
 242 #define HAVE_LLROUNDF 1
 243 long long int llroundf (float);
 244 #endif
 245
 246 #if !defined(HAVE_LLROUND) && defined(HAVE_ROUND)
 247 #define HAVE_LLROUND 1
 248 long long int llround (double);
 249 #endif
 250
 251 #if !defined(HAVE_LLROUNDL) && defined(HAVE_ROUNDL)
 252 #define HAVE_LLROUNDL 1
 253 long long int llroundl (long double);
 254 #endif
 255
 256 /* Wrappers for systems without the various C99 single precision Bessel
 257    functions.  */
 258
 259 #if defined(HAVE_J0) && ! defined(HAVE_J0F)
 260 #define HAVE_J0F 1
 261 extern float j0f (float);
 262 #endif
 263
 264 #if defined(HAVE_J1) && !defined(HAVE_J1F)
 265 #define HAVE_J1F 1
 266 extern float j1f (float);
 267 #endif
 268
 269 #if defined(HAVE_JN) && !defined(HAVE_JNF)
 270 #define HAVE_JNF 1
 271 extern float jnf (int, float);
 272 #endif
 273
 274 #if defined(HAVE_Y0) && !defined(HAVE_Y0F)
 275 #define HAVE_Y0F 1
 276 extern float y0f (float);
 277 #endif
 278
 279 #if defined(HAVE_Y1) && !defined(HAVE_Y1F)
 280 #define HAVE_Y1F 1
 281 extern float y1f (float);
 282 #endif
 283
 284 #if defined(HAVE_YN) && !defined(HAVE_YNF)
 285 #define HAVE_YNF 1
 286 extern float ynf (int, float);
 287 #endif
 288
 289
 290 /* Wrappers for systems without the C99 erff() and erfcf() functions.  */
 291
 292 #if defined(HAVE_ERF) && !defined(HAVE_ERFF)
 293 #define HAVE_ERFF 1
 294 extern float erff (float);
 295 #endif
 296
 297 #if defined(HAVE_ERFC) && !defined(HAVE_ERFCF)
 298 #define HAVE_ERFCF 1
 299 extern float erfcf (float);
 300 #endif
 301
 302
 303
 304 /* log10l is needed on all platforms for decimal I/O */
 305 #ifndef HAVE_LOG10L
 306 #define HAVE_LOG10L 1
 307 extern long double log10l(long double);
 308 #endif
 309
 310
 311 /* complex math functions */
 312
 313 #if !defined(HAVE_CABSF)
 314 #define HAVE_CABSF 1
 315 extern float cabsf (float complex);
 316 #endif
 317
 318 #if !defined(HAVE_CABS)
 319 #define HAVE_CABS 1
 320 extern double cabs (double complex);
 321 #endif
 322
 323 #if !defined(HAVE_CABSL) && defined(HAVE_HYPOTL)
 324 #define HAVE_CABSL 1
 325 extern long double cabsl (long double complex);
 326 #endif
 327
 328
 329 #if !defined(HAVE_CARGF)
 330 #define HAVE_CARGF 1
 331 extern float cargf (float complex);
 332 #endif
 333
 334 #if !defined(HAVE_CARG)
 335 #define HAVE_CARG 1
 336 extern double carg (double complex);
 337 #endif
 338
 339 #if !defined(HAVE_CARGL) && defined(HAVE_ATAN2L)
 340 #define HAVE_CARGL 1
 341 extern long double cargl (long double complex);
 342 #endif
 343
 344
 345 #if !defined(HAVE_CEXPF)
 346 #define HAVE_CEXPF 1
 347 extern float complex cexpf (float complex);
 348 #endif
 349
 350 #if !defined(HAVE_CEXP)
 351 #define HAVE_CEXP 1
 352 extern double complex cexp (double complex);
 353 #endif
 354
 355 #if !defined(HAVE_CEXPL) && defined(HAVE_COSL) && defined(HAVE_SINL) && defined(HAVE_EXPL)
 356 #define HAVE_CEXPL 1
 357 extern long double complex cexpl (long double complex);
 358 #endif
 359
 360
 361 #if !defined(HAVE_CLOGF)
 362 #define HAVE_CLOGF 1
 363 extern float complex clogf (float complex);
 364 #endif
 365
 366 #if !defined(HAVE_CLOG)
 367 #define HAVE_CLOG 1
 368 extern double complex clog (double complex);
 369 #endif
 370
 371 #if !defined(HAVE_CLOGL) && defined(HAVE_LOGL) && defined(HAVE_CABSL) && defined(HAVE_CARGL)
 372 #define HAVE_CLOGL 1
 373 extern long double complex clogl (long double complex);
 374 #endif
 375
 376
 377 #if !defined(HAVE_CLOG10F)
 378 #define HAVE_CLOG10F 1
 379 extern float complex clog10f (float complex);
 380 #endif
 381
 382 #if !defined(HAVE_CLOG10)
 383 #define HAVE_CLOG10 1
 384 extern double complex clog10 (double complex);
 385 #endif
 386
 387 #if !defined(HAVE_CLOG10L) && defined(HAVE_LOG10L) && defined(HAVE_CABSL) && defined(HAVE_CARGL)
 388 #define HAVE_CLOG10L 1
 389 extern long double complex clog10l (long double complex);
 390 #endif
 391
 392
 393 #if !defined(HAVE_CPOWF)
 394 #define HAVE_CPOWF 1
 395 extern float complex cpowf (float complex, float complex);
 396 #endif
 397
 398 #if !defined(HAVE_CPOW)
 399 #define HAVE_CPOW 1
 400 extern double complex cpow (double complex, double complex);
 401 #endif
 402
 403 #if !defined(HAVE_CPOWL) && defined(HAVE_CEXPL) && defined(HAVE_CLOGL)
 404 #define HAVE_CPOWL 1
 405 extern long double complex cpowl (long double complex, long double complex);
 406 #endif
 407
 408
 409 #if !defined(HAVE_CSQRTF)
 410 #define HAVE_CSQRTF 1
 411 extern float complex csqrtf (float complex);
 412 #endif
 413
 414 #if !defined(HAVE_CSQRT)
 415 #define HAVE_CSQRT 1
 416 extern double complex csqrt (double complex);
 417 #endif
 418
 419 #if !defined(HAVE_CSQRTL) && defined(HAVE_COPYSIGNL) && defined(HAVE_SQRTL) && defined(HAVE_FABSL) && defined(HAVE_HYPOTL)
 420 #define HAVE_CSQRTL 1
 421 extern long double complex csqrtl (long double complex);
 422 #endif
 423
 424
 425 #if !defined(HAVE_CSINHF)
 426 #define HAVE_CSINHF 1
 427 extern float complex csinhf (float complex);
 428 #endif
 429
 430 #if !defined(HAVE_CSINH)
 431 #define HAVE_CSINH 1
 432 extern double complex csinh (double complex);
 433 #endif
 434
 435 #if !defined(HAVE_CSINHL) && defined(HAVE_COSL) && defined(HAVE_COSHL) && defined(HAVE_SINL) && defined(HAVE_SINHL)
 436 #define HAVE_CSINHL 1
 437 extern long double complex csinhl (long double complex);
 438 #endif
 439
 440
 441 #if !defined(HAVE_CCOSHF)
 442 #define HAVE_CCOSHF 1
 443 extern float complex ccoshf (float complex);
 444 #endif
 445
 446 #if !defined(HAVE_CCOSH)
 447 #define HAVE_CCOSH 1
 448 extern double complex ccosh (double complex);
 449 #endif
 450
 451 #if !defined(HAVE_CCOSHL) && defined(HAVE_COSL) && defined(HAVE_COSHL) && defined(HAVE_SINL) && defined(HAVE_SINHL)
 452 #define HAVE_CCOSHL 1
 453 extern long double complex ccoshl (long double complex);
 454 #endif
 455
 456
 457 #if !defined(HAVE_CTANHF)
 458 #define HAVE_CTANHF 1
 459 extern float complex ctanhf (float complex);
 460 #endif
 461
 462 #if !defined(HAVE_CTANH)
 463 #define HAVE_CTANH 1
 464 extern double complex ctanh (double complex);
 465 #endif
 466
 467 #if !defined(HAVE_CTANHL) && defined(HAVE_TANL) && defined(HAVE_TANHL)
 468 #define HAVE_CTANHL 1
 469 extern long double complex ctanhl (long double complex);
 470 #endif
 471
 472
 473 #if !defined(HAVE_CSINF)
 474 #define HAVE_CSINF 1
 475 extern float complex csinf (float complex);
 476 #endif
 477
 478 #if !defined(HAVE_CSIN)
 479 #define HAVE_CSIN 1
 480 extern double complex csin (double complex);
 481 #endif
 482
 483 #if !defined(HAVE_CSINL) && defined(HAVE_COSL) && defined(HAVE_COSHL) && defined(HAVE_SINL) && defined(HAVE_SINHL)
 484 #define HAVE_CSINL 1
 485 extern long double complex csinl (long double complex);
 486 #endif
 487
 488
 489 #if !defined(HAVE_CCOSF)
 490 #define HAVE_CCOSF 1
 491 extern float complex ccosf (float complex);
 492 #endif
 493
 494 #if !defined(HAVE_CCOS)
 495 #define HAVE_CCOS 1
 496 extern double complex ccos (double complex);
 497 #endif
 498
 499 #if !defined(HAVE_CCOSL) && defined(HAVE_COSL) && defined(HAVE_COSHL) && defined(HAVE_SINL) && defined(HAVE_SINHL)
 500 #define HAVE_CCOSL 1
 501 extern long double complex ccosl (long double complex);
 502 #endif
 503
 504
 505 #if !defined(HAVE_CTANF)
 506 #define HAVE_CTANF 1
 507 extern float complex ctanf (float complex);
 508 #endif
 509
 510 #if !defined(HAVE_CTAN)
 511 #define HAVE_CTAN 1
 512 extern double complex ctan (double complex);
 513 #endif
 514
 515 #if !defined(HAVE_CTANL) && defined(HAVE_TANL) && defined(HAVE_TANHL)
 516 #define HAVE_CTANL 1
 517 extern long double complex ctanl (long double complex);
 518 #endif
 519
 520
 521 /* Complex ACOS.  */
 522
 523 #if !defined(HAVE_CACOSF) && defined(HAVE_CLOGF) && defined(HAVE_CSQRTF)
 524 #define HAVE_CACOSF 1
 525 extern complex float cacosf (complex float z);
 526 #endif
 527
 528 #if !defined(HAVE_CACOS) && defined(HAVE_CLOG) && defined(HAVE_CSQRT)
 529 #define HAVE_CACOS 1
 530 extern complex double cacos (complex double z);
 531 #endif
 532
 533 #if !defined(HAVE_CACOSL) && defined(HAVE_CLOGL) && defined(HAVE_CSQRTL)
 534 #define HAVE_CACOSL 1
 535 extern complex long double cacosl (complex long double z);
 536 #endif
 537
 538
 539 /* Complex ASIN.  */
 540
 541 #if !defined(HAVE_CASINF) && defined(HAVE_CLOGF) && defined(HAVE_CSQRTF)
 542 #define HAVE_CASINF 1
 543 extern complex float casinf (complex float z);
 544 #endif
 545
 546 #if !defined(HAVE_CASIN) && defined(HAVE_CLOG) && defined(HAVE_CSQRT)
 547 #define HAVE_CASIN 1
 548 extern complex double casin (complex double z);
 549 #endif
 550
 551 #if !defined(HAVE_CASINL) && defined(HAVE_CLOGL) && defined(HAVE_CSQRTL)
 552 #define HAVE_CASINL 1
 553 extern complex long double casinl (complex long double z);
 554 #endif
 555
 556
 557 /* Complex ATAN.  */
 558
 559 #if !defined(HAVE_CATANF) && defined(HAVE_CLOGF)
 560 #define HAVE_CATANF 1
 561 extern complex float catanf (complex float z);
 562 #endif
 563
 564 #if !defined(HAVE_CATAN) && defined(HAVE_CLOG)
 565 #define HAVE_CATAN 1
 566 extern complex double catan (complex double z);
 567 #endif
 568
 569 #if !defined(HAVE_CATANL) && defined(HAVE_CLOGL)
 570 #define HAVE_CATANL 1
 571 extern complex long double catanl (complex long double z);
 572 #endif
 573
 574
 575 /* Complex ASINH.  */
 576
 577 #if !defined(HAVE_CASINHF) && defined(HAVE_CLOGF) && defined(HAVE_CSQRTF)
 578 #define HAVE_CASINHF 1
 579 extern complex float casinhf (complex float z);
 580 #endif
 581
 582
 583 #if !defined(HAVE_CASINH) && defined(HAVE_CLOG) && defined(HAVE_CSQRT)
 584 #define HAVE_CASINH 1
 585 extern complex double casinh (complex double z);
 586 #endif
 587
 588 #if !defined(HAVE_CASINHL) && defined(HAVE_CLOGL) && defined(HAVE_CSQRTL)
 589 #define HAVE_CASINHL 1
 590 extern complex long double casinhl (complex long double z);
 591 #endif
 592
 593
 594 /* Complex ACOSH.  */
 595
 596 #if !defined(HAVE_CACOSHF) && defined(HAVE_CLOGF) && defined(HAVE_CSQRTF)
 597 #define HAVE_CACOSHF 1
 598 extern complex float cacoshf (complex float z);
 599 #endif
 600
 601 #if !defined(HAVE_CACOSH) && defined(HAVE_CLOG) && defined(HAVE_CSQRT)
 602 #define HAVE_CACOSH 1
 603 extern complex double cacosh (complex double z);
 604 #endif
 605
 606 #if !defined(HAVE_CACOSHL) && defined(HAVE_CLOGL) && defined(HAVE_CSQRTL)
 607 #define HAVE_CACOSHL 1
 608 extern complex long double cacoshl (complex long double z);
 609 #endif
 610
 611
 612 /* Complex ATANH.  */
 613
 614 #if !defined(HAVE_CATANHF) && defined(HAVE_CLOGF)
 615 #define HAVE_CATANHF 1
 616 extern complex float catanhf (complex float z);
 617 #endif
 618
 619 #if !defined(HAVE_CATANH) && defined(HAVE_CLOG)
 620 #define HAVE_CATANH 1
 621 extern complex double catanh (complex double z);
 622 #endif
 623
 624 #if !defined(HAVE_CATANHL) && defined(HAVE_CLOGL)
 625 #define HAVE_CATANHL 1
 626 extern complex long double catanhl (complex long double z);
 627 #endif
 628
 629
 630 /* Gamma-related prototypes.  */
 631 #if !defined(HAVE_TGAMMA)
 632 #define HAVE_TGAMMA 1
 633 extern double tgamma (double);
 634 #endif
 635
 636 #if !defined(HAVE_LGAMMA)
 637 #define HAVE_LGAMMA 1
 638 extern double lgamma (double);
 639 #endif
 640
 641 #if defined(HAVE_TGAMMA) && !defined(HAVE_TGAMMAF)
 642 #define HAVE_TGAMMAF 1
 643 extern float tgammaf (float);
 644 #endif
 645
 646 #if defined(HAVE_LGAMMA) && !defined(HAVE_LGAMMAF)
 647 #define HAVE_LGAMMAF 1
 648 extern float lgammaf (float);
 649 #endif
 650
 651 #ifndef HAVE_FMA
 652 #define HAVE_FMA 1
 653 extern double fma(double, double, double);
 654 #endif
 655
 656 #ifndef HAVE_FMAF
 657 #define HAVE_FMAF 1
 658 extern float fmaf(float, float, float);
 659 #endif
 660
 661 #ifndef HAVE_FMAL
 662 #define HAVE_FMAL 1
 663 extern long double fmal(long double, long double, long double);
 664 #endif
 665
 666 #endif  /* C99_PROTOS_H  */
 667