1 /* 2 * ==================================================== 3 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. 4 * 5 * Developed at SunPro, a Sun Microsystems, Inc. business. 6 * Permission to use, copy, modify, and distribute this 7 * software is freely granted, provided that this notice 8 * is preserved. 9 * ==================================================== 10 */ 11 12 /* 13 * from: @(#)fdlibm.h 5.1 93/09/24 14 * $FreeBSD$ 15 */ 16 17 #ifndef _MATH_PRIVATE_H_ 18 #define _MATH_PRIVATE_H_ 19 20 #include <sys/types.h> 21 #include <machine/endian.h> 22 23 /* 24 * The original fdlibm code used statements like: 25 * n0 = ((*(int*)&one)>>29)^1; * index of high word * 26 * ix0 = *(n0+(int*)&x); * high word of x * 27 * ix1 = *((1-n0)+(int*)&x); * low word of x * 28 * to dig two 32 bit words out of the 64 bit IEEE floating point 29 * value. That is non-ANSI, and, moreover, the gcc instruction 30 * scheduler gets it wrong. We instead use the following macros. 31 * Unlike the original code, we determine the endianness at compile 32 * time, not at run time; I don't see much benefit to selecting 33 * endianness at run time. 34 */ 35 36 /* 37 * A union which permits us to convert between a double and two 32 bit 38 * ints. 39 */ 40 41 #ifdef __arm__ 42 #if defined(__VFP_FP__) || defined(__ARM_EABI__) 43 #define IEEE_WORD_ORDER BYTE_ORDER 44 #else 45 #define IEEE_WORD_ORDER BIG_ENDIAN 46 #endif 47 #else /* __arm__ */ 48 #define IEEE_WORD_ORDER BYTE_ORDER 49 #endif 50 51 #if IEEE_WORD_ORDER == BIG_ENDIAN 52 53 typedef union 54 { 55 double value; 56 struct 57 { 58 u_int32_t msw; 59 u_int32_t lsw; 60 } parts; 61 struct 62 { 63 u_int64_t w; 64 } xparts; 65 } ieee_double_shape_type; 66 67 #endif 68 69 #if IEEE_WORD_ORDER == LITTLE_ENDIAN 70 71 typedef union 72 { 73 double value; 74 struct 75 { 76 u_int32_t lsw; 77 u_int32_t msw; 78 } parts; 79 struct 80 { 81 u_int64_t w; 82 } xparts; 83 } ieee_double_shape_type; 84 85 #endif 86 87 /* Get two 32 bit ints from a double. */ 88 89 #define EXTRACT_WORDS(ix0,ix1,d) \ 90 do { \ 91 ieee_double_shape_type ew_u; \ 92 ew_u.value = (d); \ 93 (ix0) = ew_u.parts.msw; \ 94 (ix1) = ew_u.parts.lsw; \ 95 } while (0) 96 97 /* Get a 64-bit int from a double. */ 98 #define EXTRACT_WORD64(ix,d) \ 99 do { \ 100 ieee_double_shape_type ew_u; \ 101 ew_u.value = (d); \ 102 (ix) = ew_u.xparts.w; \ 103 } while (0) 104 105 /* Get the more significant 32 bit int from a double. */ 106 107 #define GET_HIGH_WORD(i,d) \ 108 do { \ 109 ieee_double_shape_type gh_u; \ 110 gh_u.value = (d); \ 111 (i) = gh_u.parts.msw; \ 112 } while (0) 113 114 /* Get the less significant 32 bit int from a double. */ 115 116 #define GET_LOW_WORD(i,d) \ 117 do { \ 118 ieee_double_shape_type gl_u; \ 119 gl_u.value = (d); \ 120 (i) = gl_u.parts.lsw; \ 121 } while (0) 122 123 /* Set a double from two 32 bit ints. */ 124 125 #define INSERT_WORDS(d,ix0,ix1) \ 126 do { \ 127 ieee_double_shape_type iw_u; \ 128 iw_u.parts.msw = (ix0); \ 129 iw_u.parts.lsw = (ix1); \ 130 (d) = iw_u.value; \ 131 } while (0) 132 133 /* Set a double from a 64-bit int. */ 134 #define INSERT_WORD64(d,ix) \ 135 do { \ 136 ieee_double_shape_type iw_u; \ 137 iw_u.xparts.w = (ix); \ 138 (d) = iw_u.value; \ 139 } while (0) 140 141 /* Set the more significant 32 bits of a double from an int. */ 142 143 #define SET_HIGH_WORD(d,v) \ 144 do { \ 145 ieee_double_shape_type sh_u; \ 146 sh_u.value = (d); \ 147 sh_u.parts.msw = (v); \ 148 (d) = sh_u.value; \ 149 } while (0) 150 151 /* Set the less significant 32 bits of a double from an int. */ 152 153 #define SET_LOW_WORD(d,v) \ 154 do { \ 155 ieee_double_shape_type sl_u; \ 156 sl_u.value = (d); \ 157 sl_u.parts.lsw = (v); \ 158 (d) = sl_u.value; \ 159 } while (0) 160 161 /* 162 * A union which permits us to convert between a float and a 32 bit 163 * int. 164 */ 165 166 typedef union 167 { 168 float value; 169 /* FIXME: Assumes 32 bit int. */ 170 unsigned int word; 171 } ieee_float_shape_type; 172 173 /* Get a 32 bit int from a float. */ 174 175 #define GET_FLOAT_WORD(i,d) \ 176 do { \ 177 ieee_float_shape_type gf_u; \ 178 gf_u.value = (d); \ 179 (i) = gf_u.word; \ 180 } while (0) 181 182 /* Set a float from a 32 bit int. */ 183 184 #define SET_FLOAT_WORD(d,i) \ 185 do { \ 186 ieee_float_shape_type sf_u; \ 187 sf_u.word = (i); \ 188 (d) = sf_u.value; \ 189 } while (0) 190 191 /* 192 * Get expsign and mantissa as 16 bit and 64 bit ints from an 80 bit long 193 * double. 194 */ 195 196 #define EXTRACT_LDBL80_WORDS(ix0,ix1,d) \ 197 do { \ 198 union IEEEl2bits ew_u; \ 199 ew_u.e = (d); \ 200 (ix0) = ew_u.xbits.expsign; \ 201 (ix1) = ew_u.xbits.man; \ 202 } while (0) 203 204 /* 205 * Get expsign and mantissa as one 16 bit and two 64 bit ints from a 128 bit 206 * long double. 207 */ 208 209 #define EXTRACT_LDBL128_WORDS(ix0,ix1,ix2,d) \ 210 do { \ 211 union IEEEl2bits ew_u; \ 212 ew_u.e = (d); \ 213 (ix0) = ew_u.xbits.expsign; \ 214 (ix1) = ew_u.xbits.manh; \ 215 (ix2) = ew_u.xbits.manl; \ 216 } while (0) 217 218 /* Get expsign as a 16 bit int from a long double. */ 219 220 #define GET_LDBL_EXPSIGN(i,d) \ 221 do { \ 222 union IEEEl2bits ge_u; \ 223 ge_u.e = (d); \ 224 (i) = ge_u.xbits.expsign; \ 225 } while (0) 226 227 /* 228 * Set an 80 bit long double from a 16 bit int expsign and a 64 bit int 229 * mantissa. 230 */ 231 232 #define INSERT_LDBL80_WORDS(d,ix0,ix1) \ 233 do { \ 234 union IEEEl2bits iw_u; \ 235 iw_u.xbits.expsign = (ix0); \ 236 iw_u.xbits.man = (ix1); \ 237 (d) = iw_u.e; \ 238 } while (0) 239 240 /* 241 * Set a 128 bit long double from a 16 bit int expsign and two 64 bit ints 242 * comprising the mantissa. 243 */ 244 245 #define INSERT_LDBL128_WORDS(d,ix0,ix1,ix2) \ 246 do { \ 247 union IEEEl2bits iw_u; \ 248 iw_u.xbits.expsign = (ix0); \ 249 iw_u.xbits.manh = (ix1); \ 250 iw_u.xbits.manl = (ix2); \ 251 (d) = iw_u.e; \ 252 } while (0) 253 254 /* Set expsign of a long double from a 16 bit int. */ 255 256 #define SET_LDBL_EXPSIGN(d,v) \ 257 do { \ 258 union IEEEl2bits se_u; \ 259 se_u.e = (d); \ 260 se_u.xbits.expsign = (v); \ 261 (d) = se_u.e; \ 262 } while (0) 263 264 #ifdef __i386__ 265 /* Long double constants are broken on i386. */ 266 #define LD80C(m, ex, v) { \ 267 .xbits.man = __CONCAT(m, ULL), \ 268 .xbits.expsign = (0x3fff + (ex)) | ((v) < 0 ? 0x8000 : 0), \ 269 } 270 #else 271 /* The above works on non-i386 too, but we use this to check v. */ 272 #define LD80C(m, ex, v) { .e = (v), } 273 #endif 274 275 #ifdef FLT_EVAL_METHOD 276 /* 277 * Attempt to get strict C99 semantics for assignment with non-C99 compilers. 278 */ 279 #if FLT_EVAL_METHOD == 0 || __GNUC__ == 0 280 #define STRICT_ASSIGN(type, lval, rval) ((lval) = (rval)) 281 #else 282 #define STRICT_ASSIGN(type, lval, rval) do { \ 283 volatile type __lval; \ 284 \ 285 if (sizeof(type) >= sizeof(long double)) \ 286 (lval) = (rval); \ 287 else { \ 288 __lval = (rval); \ 289 (lval) = __lval; \ 290 } \ 291 } while (0) 292 #endif 293 #endif /* FLT_EVAL_METHOD */ 294 295 /* Support switching the mode to FP_PE if necessary. */ 296 #if defined(__i386__) && !defined(NO_FPSETPREC) 297 #define ENTERI() ENTERIT(long double) 298 #define ENTERIT(returntype) \ 299 returntype __retval; \ 300 fp_prec_t __oprec; \ 301 \ 302 if ((__oprec = fpgetprec()) != FP_PE) \ 303 fpsetprec(FP_PE) 304 #define RETURNI(x) do { \ 305 __retval = (x); \ 306 if (__oprec != FP_PE) \ 307 fpsetprec(__oprec); \ 308 RETURNF(__retval); \ 309 } while (0) 310 #define ENTERV() \ 311 fp_prec_t __oprec; \ 312 \ 313 if ((__oprec = fpgetprec()) != FP_PE) \ 314 fpsetprec(FP_PE) 315 #define RETURNV() do { \ 316 if (__oprec != FP_PE) \ 317 fpsetprec(__oprec); \ 318 return; \ 319 } while (0) 320 #else 321 #define ENTERI() 322 #define ENTERIT(x) 323 #define RETURNI(x) RETURNF(x) 324 #define ENTERV() 325 #define RETURNV() return 326 #endif 327 328 /* Default return statement if hack*_t() is not used. */ 329 #define RETURNF(v) return (v) 330 331 /* 332 * 2sum gives the same result as 2sumF without requiring |a| >= |b| or 333 * a == 0, but is slower. 334 */ 335 #define _2sum(a, b) do { \ 336 __typeof(a) __s, __w; \ 337 \ 338 __w = (a) + (b); \ 339 __s = __w - (a); \ 340 (b) = ((a) - (__w - __s)) + ((b) - __s); \ 341 (a) = __w; \ 342 } while (0) 343 344 /* 345 * 2sumF algorithm. 346 * 347 * "Normalize" the terms in the infinite-precision expression a + b for 348 * the sum of 2 floating point values so that b is as small as possible 349 * relative to 'a'. (The resulting 'a' is the value of the expression in 350 * the same precision as 'a' and the resulting b is the rounding error.) 351 * |a| must be >= |b| or 0, b's type must be no larger than 'a's type, and 352 * exponent overflow or underflow must not occur. This uses a Theorem of 353 * Dekker (1971). See Knuth (1981) 4.2.2 Theorem C. The name "TwoSum" 354 * is apparently due to Skewchuk (1997). 355 * 356 * For this to always work, assignment of a + b to 'a' must not retain any 357 * extra precision in a + b. This is required by C standards but broken 358 * in many compilers. The brokenness cannot be worked around using 359 * STRICT_ASSIGN() like we do elsewhere, since the efficiency of this 360 * algorithm would be destroyed by non-null strict assignments. (The 361 * compilers are correct to be broken -- the efficiency of all floating 362 * point code calculations would be destroyed similarly if they forced the 363 * conversions.) 364 * 365 * Fortunately, a case that works well can usually be arranged by building 366 * any extra precision into the type of 'a' -- 'a' should have type float_t, 367 * double_t or long double. b's type should be no larger than 'a's type. 368 * Callers should use these types with scopes as large as possible, to 369 * reduce their own extra-precision and efficiciency problems. In 370 * particular, they shouldn't convert back and forth just to call here. 371 */ 372 #ifdef DEBUG 373 #define _2sumF(a, b) do { \ 374 __typeof(a) __w; \ 375 volatile __typeof(a) __ia, __ib, __r, __vw; \ 376 \ 377 __ia = (a); \ 378 __ib = (b); \ 379 assert(__ia == 0 || fabsl(__ia) >= fabsl(__ib)); \ 380 \ 381 __w = (a) + (b); \ 382 (b) = ((a) - __w) + (b); \ 383 (a) = __w; \ 384 \ 385 /* The next 2 assertions are weak if (a) is already long double. */ \ 386 assert((long double)__ia + __ib == (long double)(a) + (b)); \ 387 __vw = __ia + __ib; \ 388 __r = __ia - __vw; \ 389 __r += __ib; \ 390 assert(__vw == (a) && __r == (b)); \ 391 } while (0) 392 #else /* !DEBUG */ 393 #define _2sumF(a, b) do { \ 394 __typeof(a) __w; \ 395 \ 396 __w = (a) + (b); \ 397 (b) = ((a) - __w) + (b); \ 398 (a) = __w; \ 399 } while (0) 400 #endif /* DEBUG */ 401 402 /* 403 * Set x += c, where x is represented in extra precision as a + b. 404 * x must be sufficiently normalized and sufficiently larger than c, 405 * and the result is then sufficiently normalized. 406 * 407 * The details of ordering are that |a| must be >= |c| (so that (a, c) 408 * can be normalized without extra work to swap 'a' with c). The details of 409 * the normalization are that b must be small relative to the normalized 'a'. 410 * Normalization of (a, c) makes the normalized c tiny relative to the 411 * normalized a, so b remains small relative to 'a' in the result. However, 412 * b need not ever be tiny relative to 'a'. For example, b might be about 413 * 2**20 times smaller than 'a' to give about 20 extra bits of precision. 414 * That is usually enough, and adding c (which by normalization is about 415 * 2**53 times smaller than a) cannot change b significantly. However, 416 * cancellation of 'a' with c in normalization of (a, c) may reduce 'a' 417 * significantly relative to b. The caller must ensure that significant 418 * cancellation doesn't occur, either by having c of the same sign as 'a', 419 * or by having |c| a few percent smaller than |a|. Pre-normalization of 420 * (a, b) may help. 421 * 422 * This is is a variant of an algorithm of Kahan (see Knuth (1981) 4.2.2 423 * exercise 19). We gain considerable efficiency by requiring the terms to 424 * be sufficiently normalized and sufficiently increasing. 425 */ 426 #define _3sumF(a, b, c) do { \ 427 __typeof(a) __tmp; \ 428 \ 429 __tmp = (c); \ 430 _2sumF(__tmp, (a)); \ 431 (b) += (a); \ 432 (a) = __tmp; \ 433 } while (0) 434 435 /* 436 * Common routine to process the arguments to nan(), nanf(), and nanl(). 437 */ 438 void _scan_nan(uint32_t *__words, int __num_words, const char *__s); 439 440 #ifdef _COMPLEX_H 441 442 /* 443 * C99 specifies that complex numbers have the same representation as 444 * an array of two elements, where the first element is the real part 445 * and the second element is the imaginary part. 446 */ 447 typedef union { 448 float complex f; 449 float a[2]; 450 } float_complex; 451 typedef union { 452 double complex f; 453 double a[2]; 454 } double_complex; 455 typedef union { 456 long double complex f; 457 long double a[2]; 458 } long_double_complex; 459 #define REALPART(z) ((z).a[0]) 460 #define IMAGPART(z) ((z).a[1]) 461 462 /* 463 * Inline functions that can be used to construct complex values. 464 * 465 * The C99 standard intends x+I*y to be used for this, but x+I*y is 466 * currently unusable in general since gcc introduces many overflow, 467 * underflow, sign and efficiency bugs by rewriting I*y as 468 * (0.0+I)*(y+0.0*I) and laboriously computing the full complex product. 469 * In particular, I*Inf is corrupted to NaN+I*Inf, and I*-0 is corrupted 470 * to -0.0+I*0.0. 471 * 472 * The C11 standard introduced the macros CMPLX(), CMPLXF() and CMPLXL() 473 * to construct complex values. Compilers that conform to the C99 474 * standard require the following functions to avoid the above issues. 475 */ 476 477 #ifndef CMPLXF 478 static __inline float complex 479 CMPLXF(float x, float y) 480 { 481 float_complex z; 482 483 REALPART(z) = x; 484 IMAGPART(z) = y; 485 return (z.f); 486 } 487 #endif 488 489 #ifndef CMPLX 490 static __inline double complex 491 CMPLX(double x, double y) 492 { 493 double_complex z; 494 495 REALPART(z) = x; 496 IMAGPART(z) = y; 497 return (z.f); 498 } 499 #endif 500 501 #ifndef CMPLXL 502 static __inline long double complex 503 CMPLXL(long double x, long double y) 504 { 505 long_double_complex z; 506 507 REALPART(z) = x; 508 IMAGPART(z) = y; 509 return (z.f); 510 } 511 #endif 512 513 #endif /* _COMPLEX_H */ 514 515 #ifdef __GNUCLIKE_ASM 516 517 /* Asm versions of some functions. */ 518 519 #ifdef __amd64__ 520 static __inline int 521 irint(double x) 522 { 523 int n; 524 525 asm("cvtsd2si %1,%0" : "=r" (n) : "x" (x)); 526 return (n); 527 } 528 #define HAVE_EFFICIENT_IRINT 529 #endif 530 531 #ifdef __i386__ 532 static __inline int 533 irint(double x) 534 { 535 int n; 536 537 asm("fistl %0" : "=m" (n) : "t" (x)); 538 return (n); 539 } 540 #define HAVE_EFFICIENT_IRINT 541 #endif 542 543 #if defined(__amd64__) || defined(__i386__) 544 static __inline int 545 irintl(long double x) 546 { 547 int n; 548 549 asm("fistl %0" : "=m" (n) : "t" (x)); 550 return (n); 551 } 552 #define HAVE_EFFICIENT_IRINTL 553 #endif 554 555 #endif /* __GNUCLIKE_ASM */ 556 557 #ifdef DEBUG 558 #if defined(__amd64__) || defined(__i386__) 559 #define breakpoint() asm("int $3") 560 #else 561 #include <signal.h> 562 563 #define breakpoint() raise(SIGTRAP) 564 #endif 565 #endif 566 567 /* Write a pari script to test things externally. */ 568 #ifdef DOPRINT 569 #include <stdio.h> 570 571 #ifndef DOPRINT_SWIZZLE 572 #define DOPRINT_SWIZZLE 0 573 #endif 574 575 #ifdef DOPRINT_LD80 576 577 #define DOPRINT_START(xp) do { \ 578 uint64_t __lx; \ 579 uint16_t __hx; \ 580 \ 581 /* Hack to give more-problematic args. */ \ 582 EXTRACT_LDBL80_WORDS(__hx, __lx, *xp); \ 583 __lx ^= DOPRINT_SWIZZLE; \ 584 INSERT_LDBL80_WORDS(*xp, __hx, __lx); \ 585 printf("x = %.21Lg; ", (long double)*xp); \ 586 } while (0) 587 #define DOPRINT_END1(v) \ 588 printf("y = %.21Lg; z = 0; show(x, y, z);\n", (long double)(v)) 589 #define DOPRINT_END2(hi, lo) \ 590 printf("y = %.21Lg; z = %.21Lg; show(x, y, z);\n", \ 591 (long double)(hi), (long double)(lo)) 592 593 #elif defined(DOPRINT_D64) 594 595 #define DOPRINT_START(xp) do { \ 596 uint32_t __hx, __lx; \ 597 \ 598 EXTRACT_WORDS(__hx, __lx, *xp); \ 599 __lx ^= DOPRINT_SWIZZLE; \ 600 INSERT_WORDS(*xp, __hx, __lx); \ 601 printf("x = %.21Lg; ", (long double)*xp); \ 602 } while (0) 603 #define DOPRINT_END1(v) \ 604 printf("y = %.21Lg; z = 0; show(x, y, z);\n", (long double)(v)) 605 #define DOPRINT_END2(hi, lo) \ 606 printf("y = %.21Lg; z = %.21Lg; show(x, y, z);\n", \ 607 (long double)(hi), (long double)(lo)) 608 609 #elif defined(DOPRINT_F32) 610 611 #define DOPRINT_START(xp) do { \ 612 uint32_t __hx; \ 613 \ 614 GET_FLOAT_WORD(__hx, *xp); \ 615 __hx ^= DOPRINT_SWIZZLE; \ 616 SET_FLOAT_WORD(*xp, __hx); \ 617 printf("x = %.21Lg; ", (long double)*xp); \ 618 } while (0) 619 #define DOPRINT_END1(v) \ 620 printf("y = %.21Lg; z = 0; show(x, y, z);\n", (long double)(v)) 621 #define DOPRINT_END2(hi, lo) \ 622 printf("y = %.21Lg; z = %.21Lg; show(x, y, z);\n", \ 623 (long double)(hi), (long double)(lo)) 624 625 #else /* !DOPRINT_LD80 && !DOPRINT_D64 (LD128 only) */ 626 627 #ifndef DOPRINT_SWIZZLE_HIGH 628 #define DOPRINT_SWIZZLE_HIGH 0 629 #endif 630 631 #define DOPRINT_START(xp) do { \ 632 uint64_t __lx, __llx; \ 633 uint16_t __hx; \ 634 \ 635 EXTRACT_LDBL128_WORDS(__hx, __lx, __llx, *xp); \ 636 __llx ^= DOPRINT_SWIZZLE; \ 637 __lx ^= DOPRINT_SWIZZLE_HIGH; \ 638 INSERT_LDBL128_WORDS(*xp, __hx, __lx, __llx); \ 639 printf("x = %.36Lg; ", (long double)*xp); \ 640 } while (0) 641 #define DOPRINT_END1(v) \ 642 printf("y = %.36Lg; z = 0; show(x, y, z);\n", (long double)(v)) 643 #define DOPRINT_END2(hi, lo) \ 644 printf("y = %.36Lg; z = %.36Lg; show(x, y, z);\n", \ 645 (long double)(hi), (long double)(lo)) 646 647 #endif /* DOPRINT_LD80 */ 648 649 #else /* !DOPRINT */ 650 #define DOPRINT_START(xp) 651 #define DOPRINT_END1(v) 652 #define DOPRINT_END2(hi, lo) 653 #endif /* DOPRINT */ 654 655 #define RETURNP(x) do { \ 656 DOPRINT_END1(x); \ 657 RETURNF(x); \ 658 } while (0) 659 #define RETURNPI(x) do { \ 660 DOPRINT_END1(x); \ 661 RETURNI(x); \ 662 } while (0) 663 #define RETURN2P(x, y) do { \ 664 DOPRINT_END2((x), (y)); \ 665 RETURNF((x) + (y)); \ 666 } while (0) 667 #define RETURN2PI(x, y) do { \ 668 DOPRINT_END2((x), (y)); \ 669 RETURNI((x) + (y)); \ 670 } while (0) 671 #ifdef STRUCT_RETURN 672 #define RETURNSP(rp) do { \ 673 if (!(rp)->lo_set) \ 674 RETURNP((rp)->hi); \ 675 RETURN2P((rp)->hi, (rp)->lo); \ 676 } while (0) 677 #define RETURNSPI(rp) do { \ 678 if (!(rp)->lo_set) \ 679 RETURNPI((rp)->hi); \ 680 RETURN2PI((rp)->hi, (rp)->lo); \ 681 } while (0) 682 #endif 683 #define SUM2P(x, y) ({ \ 684 const __typeof (x) __x = (x); \ 685 const __typeof (y) __y = (y); \ 686 \ 687 DOPRINT_END2(__x, __y); \ 688 __x + __y; \ 689 }) 690 691 /* 692 * ieee style elementary functions 693 * 694 * We rename functions here to improve other sources' diffability 695 * against fdlibm. 696 */ 697 #define __ieee754_sqrt sqrt 698 #define __ieee754_acos acos 699 #define __ieee754_acosh acosh 700 #define __ieee754_log log 701 #define __ieee754_log2 log2 702 #define __ieee754_atanh atanh 703 #define __ieee754_asin asin 704 #define __ieee754_atan2 atan2 705 #define __ieee754_exp exp 706 #define __ieee754_cosh cosh 707 #define __ieee754_fmod fmod 708 #define __ieee754_pow pow 709 #define __ieee754_lgamma lgamma 710 #define __ieee754_gamma gamma 711 #define __ieee754_lgamma_r lgamma_r 712 #define __ieee754_gamma_r gamma_r 713 #define __ieee754_log10 log10 714 #define __ieee754_sinh sinh 715 #define __ieee754_hypot hypot 716 #define __ieee754_j0 j0 717 #define __ieee754_j1 j1 718 #define __ieee754_y0 y0 719 #define __ieee754_y1 y1 720 #define __ieee754_jn jn 721 #define __ieee754_yn yn 722 #define __ieee754_remainder remainder 723 #define __ieee754_scalb scalb 724 #define __ieee754_sqrtf sqrtf 725 #define __ieee754_acosf acosf 726 #define __ieee754_acoshf acoshf 727 #define __ieee754_logf logf 728 #define __ieee754_atanhf atanhf 729 #define __ieee754_asinf asinf 730 #define __ieee754_atan2f atan2f 731 #define __ieee754_expf expf 732 #define __ieee754_coshf coshf 733 #define __ieee754_fmodf fmodf 734 #define __ieee754_powf powf 735 #define __ieee754_lgammaf lgammaf 736 #define __ieee754_gammaf gammaf 737 #define __ieee754_lgammaf_r lgammaf_r 738 #define __ieee754_gammaf_r gammaf_r 739 #define __ieee754_log10f log10f 740 #define __ieee754_log2f log2f 741 #define __ieee754_sinhf sinhf 742 #define __ieee754_hypotf hypotf 743 #define __ieee754_j0f j0f 744 #define __ieee754_j1f j1f 745 #define __ieee754_y0f y0f 746 #define __ieee754_y1f y1f 747 #define __ieee754_jnf jnf 748 #define __ieee754_ynf ynf 749 #define __ieee754_remainderf remainderf 750 #define __ieee754_scalbf scalbf 751 752 /* fdlibm kernel function */ 753 int __kernel_rem_pio2(double*,double*,int,int,int); 754 755 /* double precision kernel functions */ 756 #ifndef INLINE_REM_PIO2 757 int __ieee754_rem_pio2(double,double*); 758 #endif 759 double __kernel_sin(double,double,int); 760 double __kernel_cos(double,double); 761 double __kernel_tan(double,double,int); 762 double __ldexp_exp(double,int); 763 #ifdef _COMPLEX_H 764 double complex __ldexp_cexp(double complex,int); 765 #endif 766 767 /* float precision kernel functions */ 768 #ifndef INLINE_REM_PIO2F 769 int __ieee754_rem_pio2f(float,double*); 770 #endif 771 #ifndef INLINE_KERNEL_SINDF 772 float __kernel_sindf(double); 773 #endif 774 #ifndef INLINE_KERNEL_COSDF 775 float __kernel_cosdf(double); 776 #endif 777 #ifndef INLINE_KERNEL_TANDF 778 float __kernel_tandf(double,int); 779 #endif 780 float __ldexp_expf(float,int); 781 #ifdef _COMPLEX_H 782 float complex __ldexp_cexpf(float complex,int); 783 #endif 784 785 /* long double precision kernel functions */ 786 long double __kernel_sinl(long double, long double, int); 787 long double __kernel_cosl(long double, long double); 788 long double __kernel_tanl(long double, long double, int); 789 790 #endif /* !_MATH_PRIVATE_H_ */ 791