2 * msvcrt.dll math functions
4 * Copyright 2000 Jon Griffiths
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library 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 GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #define __USE_ISOC9X 1
24 #define __USE_ISOC99 1
32 #include "wine/debug.h"
34 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
37 #ifndef finite /* Could be a macro */
39 #define finite(x) isfinite(x)
41 #define finite(x) (!isnan(x)) /* At least catch some cases */
50 typedef int (CDECL *MSVCRT_matherr_func)(struct MSVCRT__exception *);
52 static MSVCRT_matherr_func MSVCRT_default_matherr_func = NULL;
54 static BOOL sse2_supported;
55 static BOOL sse2_enabled;
57 void msvcrt_init_math(void)
59 sse2_supported = sse2_enabled = IsProcessorFeaturePresent( PF_XMMI64_INSTRUCTIONS_AVAILABLE );
62 /*********************************************************************
63 * _set_SSE2_enable (MSVCRT.@)
65 int CDECL MSVCRT__set_SSE2_enable(int flag)
67 sse2_enabled = flag && sse2_supported;
73 /*********************************************************************
74 * MSVCRT_acosf (MSVCRT.@)
76 float CDECL MSVCRT_acosf( float x )
78 if (x < -1.0 || x > 1.0 || !finitef(x)) *MSVCRT__errno() = MSVCRT_EDOM;
79 /* glibc implements acos() as the FPU equivalent of atan2(sqrt(1 - x ^ 2), x).
80 * asin() uses a similar construction. This is bad because as x gets nearer to
81 * 1 the error in the expression "1 - x^2" can get relatively large due to
82 * cancellation. The sqrt() makes things worse. A safer way to calculate
83 * acos() is to use atan2(sqrt((1 - x) * (1 + x)), x). */
84 return atan2f(sqrtf((1 - x) * (1 + x)), x);
87 /*********************************************************************
88 * MSVCRT_asinf (MSVCRT.@)
90 float CDECL MSVCRT_asinf( float x )
92 if (x < -1.0 || x > 1.0 || !finitef(x)) *MSVCRT__errno() = MSVCRT_EDOM;
93 return atan2f(x, sqrtf((1 - x) * (1 + x)));
96 /*********************************************************************
97 * MSVCRT_atanf (MSVCRT.@)
99 float CDECL MSVCRT_atanf( float x )
101 if (!finitef(x)) *MSVCRT__errno() = MSVCRT_EDOM;
105 /*********************************************************************
106 * MSVCRT_atan2f (MSVCRT.@)
108 float CDECL MSVCRT_atan2f( float x, float y )
110 if (!finitef(x)) *MSVCRT__errno() = MSVCRT_EDOM;
114 /*********************************************************************
115 * MSVCRT_cosf (MSVCRT.@)
117 float CDECL MSVCRT_cosf( float x )
119 if (!finitef(x)) *MSVCRT__errno() = MSVCRT_EDOM;
123 /*********************************************************************
124 * MSVCRT_coshf (MSVCRT.@)
126 float CDECL MSVCRT_coshf( float x )
128 if (!finitef(x)) *MSVCRT__errno() = MSVCRT_EDOM;
132 /*********************************************************************
133 * MSVCRT_expf (MSVCRT.@)
135 float CDECL MSVCRT_expf( float x )
137 if (!finitef(x)) *MSVCRT__errno() = MSVCRT_EDOM;
141 /*********************************************************************
142 * MSVCRT_fmodf (MSVCRT.@)
144 float CDECL MSVCRT_fmodf( float x, float y )
146 if (!finitef(x) || !finitef(y)) *MSVCRT__errno() = MSVCRT_EDOM;
150 /*********************************************************************
151 * MSVCRT_logf (MSVCRT.@)
153 float CDECL MSVCRT_logf( float x)
155 if (x < 0.0 || !finitef(x)) *MSVCRT__errno() = MSVCRT_EDOM;
156 if (x == 0.0) *MSVCRT__errno() = MSVCRT_ERANGE;
160 /*********************************************************************
161 * MSVCRT_log10f (MSVCRT.@)
163 float CDECL MSVCRT_log10f( float x )
165 if (x < 0.0 || !finitef(x)) *MSVCRT__errno() = MSVCRT_EDOM;
166 if (x == 0.0) *MSVCRT__errno() = MSVCRT_ERANGE;
170 /*********************************************************************
171 * MSVCRT_powf (MSVCRT.@)
173 float CDECL MSVCRT_powf( float x, float y )
175 /* FIXME: If x < 0 and y is not integral, set EDOM */
177 if (!finitef(z)) *MSVCRT__errno() = MSVCRT_EDOM;
181 /*********************************************************************
182 * MSVCRT_sinf (MSVCRT.@)
184 float CDECL MSVCRT_sinf( float x )
186 if (!finitef(x)) *MSVCRT__errno() = MSVCRT_EDOM;
190 /*********************************************************************
191 * MSVCRT_sinhf (MSVCRT.@)
193 float CDECL MSVCRT_sinhf( float x )
195 if (!finitef(x)) *MSVCRT__errno() = MSVCRT_EDOM;
199 /*********************************************************************
200 * MSVCRT_sqrtf (MSVCRT.@)
202 float CDECL MSVCRT_sqrtf( float x )
204 if (x < 0.0 || !finitef(x)) *MSVCRT__errno() = MSVCRT_EDOM;
208 /*********************************************************************
209 * MSVCRT_tanf (MSVCRT.@)
211 float CDECL MSVCRT_tanf( float x )
213 if (!finitef(x)) *MSVCRT__errno() = MSVCRT_EDOM;
217 /*********************************************************************
218 * MSVCRT_tanhf (MSVCRT.@)
220 float CDECL MSVCRT_tanhf( float x )
222 if (!finitef(x)) *MSVCRT__errno() = MSVCRT_EDOM;
226 /*********************************************************************
229 float CDECL MSVCRT_ceilf( float x )
234 /*********************************************************************
237 float CDECL MSVCRT_floorf( float x )
242 /*********************************************************************
245 float CDECL MSVCRT_frexpf( float x, int *exp )
247 return frexpf( x, exp );
250 /*********************************************************************
253 float CDECL MSVCRT__scalbf(float num, MSVCRT_long power)
255 if (!finitef(num)) *MSVCRT__errno() = MSVCRT_EDOM;
256 return ldexpf(num, power);
259 /*********************************************************************
262 double CDECL MSVCRT_modff( float x, float *iptr )
264 return modff( x, iptr );
269 /*********************************************************************
270 * MSVCRT_acos (MSVCRT.@)
272 double CDECL MSVCRT_acos( double x )
274 if (x < -1.0 || x > 1.0 || !finite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
275 /* glibc implements acos() as the FPU equivalent of atan2(sqrt(1 - x ^ 2), x).
276 * asin() uses a similar construction. This is bad because as x gets nearer to
277 * 1 the error in the expression "1 - x^2" can get relatively large due to
278 * cancellation. The sqrt() makes things worse. A safer way to calculate
279 * acos() is to use atan2(sqrt((1 - x) * (1 + x)), x). */
280 return atan2(sqrt((1 - x) * (1 + x)), x);
283 /*********************************************************************
284 * MSVCRT_asin (MSVCRT.@)
286 double CDECL MSVCRT_asin( double x )
288 if (x < -1.0 || x > 1.0 || !finite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
289 return atan2(x, sqrt((1 - x) * (1 + x)));
292 /*********************************************************************
293 * MSVCRT_atan (MSVCRT.@)
295 double CDECL MSVCRT_atan( double x )
297 if (!finite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
301 /*********************************************************************
302 * MSVCRT_atan2 (MSVCRT.@)
304 double CDECL MSVCRT_atan2( double x, double y )
306 if (!finite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
310 /*********************************************************************
311 * MSVCRT_cos (MSVCRT.@)
313 double CDECL MSVCRT_cos( double x )
315 if (!finite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
319 /*********************************************************************
320 * MSVCRT_cosh (MSVCRT.@)
322 double CDECL MSVCRT_cosh( double x )
324 if (!finite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
328 /*********************************************************************
329 * MSVCRT_exp (MSVCRT.@)
331 double CDECL MSVCRT_exp( double x )
333 if (!finite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
337 /*********************************************************************
338 * MSVCRT_fmod (MSVCRT.@)
340 double CDECL MSVCRT_fmod( double x, double y )
342 if (!finite(x) || !finite(y)) *MSVCRT__errno() = MSVCRT_EDOM;
346 /*********************************************************************
347 * MSVCRT_log (MSVCRT.@)
349 double CDECL MSVCRT_log( double x)
351 if (x < 0.0 || !finite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
352 if (x == 0.0) *MSVCRT__errno() = MSVCRT_ERANGE;
356 /*********************************************************************
357 * MSVCRT_log10 (MSVCRT.@)
359 double CDECL MSVCRT_log10( double x )
361 if (x < 0.0 || !finite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
362 if (x == 0.0) *MSVCRT__errno() = MSVCRT_ERANGE;
366 /*********************************************************************
367 * MSVCRT_pow (MSVCRT.@)
369 double CDECL MSVCRT_pow( double x, double y )
371 /* FIXME: If x < 0 and y is not integral, set EDOM */
373 if (!finite(z)) *MSVCRT__errno() = MSVCRT_EDOM;
377 /*********************************************************************
378 * MSVCRT_sin (MSVCRT.@)
380 double CDECL MSVCRT_sin( double x )
382 if (!finite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
386 /*********************************************************************
387 * MSVCRT_sinh (MSVCRT.@)
389 double CDECL MSVCRT_sinh( double x )
391 if (!finite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
395 /*********************************************************************
396 * MSVCRT_sqrt (MSVCRT.@)
398 double CDECL MSVCRT_sqrt( double x )
400 if (x < 0.0 || !finite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
404 /*********************************************************************
405 * MSVCRT_tan (MSVCRT.@)
407 double CDECL MSVCRT_tan( double x )
409 if (!finite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
413 /*********************************************************************
414 * MSVCRT_tanh (MSVCRT.@)
416 double CDECL MSVCRT_tanh( double x )
418 if (!finite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
423 #if defined(__GNUC__) && defined(__i386__)
425 #define FPU_DOUBLE(var) double var; \
426 __asm__ __volatile__( "fstpl %0;fwait" : "=m" (var) : )
427 #define FPU_DOUBLES(var1,var2) double var1,var2; \
428 __asm__ __volatile__( "fstpl %0;fwait" : "=m" (var2) : ); \
429 __asm__ __volatile__( "fstpl %0;fwait" : "=m" (var1) : )
431 /*********************************************************************
434 double CDECL _CIacos(void)
437 return MSVCRT_acos(x);
440 /*********************************************************************
443 double CDECL _CIasin(void)
446 return MSVCRT_asin(x);
449 /*********************************************************************
452 double CDECL _CIatan(void)
455 return MSVCRT_atan(x);
458 /*********************************************************************
459 * _CIatan2 (MSVCRT.@)
461 double CDECL _CIatan2(void)
464 return MSVCRT_atan2(x,y);
467 /*********************************************************************
470 double CDECL _CIcos(void)
473 return MSVCRT_cos(x);
476 /*********************************************************************
479 double CDECL _CIcosh(void)
482 return MSVCRT_cosh(x);
485 /*********************************************************************
488 double CDECL _CIexp(void)
491 return MSVCRT_exp(x);
494 /*********************************************************************
497 double CDECL _CIfmod(void)
500 return MSVCRT_fmod(x,y);
503 /*********************************************************************
506 double CDECL _CIlog(void)
509 return MSVCRT_log(x);
512 /*********************************************************************
513 * _CIlog10 (MSVCRT.@)
515 double CDECL _CIlog10(void)
518 return MSVCRT_log10(x);
521 /*********************************************************************
524 double CDECL _CIpow(void)
527 return MSVCRT_pow(x,y);
530 /*********************************************************************
533 double CDECL _CIsin(void)
536 return MSVCRT_sin(x);
539 /*********************************************************************
542 double CDECL _CIsinh(void)
545 return MSVCRT_sinh(x);
548 /*********************************************************************
551 double CDECL _CIsqrt(void)
554 return MSVCRT_sqrt(x);
557 /*********************************************************************
560 double CDECL _CItan(void)
563 return MSVCRT_tan(x);
566 /*********************************************************************
569 double CDECL _CItanh(void)
572 return MSVCRT_tanh(x);
575 #endif /* defined(__GNUC__) && defined(__i386__) */
577 /*********************************************************************
578 * _fpclass (MSVCRT.@)
580 int CDECL _fpclass(double num)
582 #if defined(HAVE_FPCLASS) || defined(fpclass)
583 switch (fpclass( num ))
586 case FP_SNAN: return MSVCRT__FPCLASS_SNAN;
589 case FP_QNAN: return MSVCRT__FPCLASS_QNAN;
592 case FP_NINF: return MSVCRT__FPCLASS_NINF;
595 case FP_PINF: return MSVCRT__FPCLASS_PINF;
598 case FP_NDENORM: return MSVCRT__FPCLASS_ND;
601 case FP_PDENORM: return MSVCRT__FPCLASS_PD;
604 case FP_NZERO: return MSVCRT__FPCLASS_NZ;
607 case FP_PZERO: return MSVCRT__FPCLASS_PZ;
610 case FP_NNORM: return MSVCRT__FPCLASS_NN;
613 case FP_PNORM: return MSVCRT__FPCLASS_PN;
615 default: return MSVCRT__FPCLASS_PN;
617 #elif defined (fpclassify)
618 switch (fpclassify( num ))
620 case FP_NAN: return MSVCRT__FPCLASS_QNAN;
621 case FP_INFINITE: return signbit(num) ? MSVCRT__FPCLASS_NINF : MSVCRT__FPCLASS_PINF;
622 case FP_SUBNORMAL: return signbit(num) ?MSVCRT__FPCLASS_ND : MSVCRT__FPCLASS_PD;
623 case FP_ZERO: return signbit(num) ? MSVCRT__FPCLASS_NZ : MSVCRT__FPCLASS_PZ;
625 return signbit(num) ? MSVCRT__FPCLASS_NN : MSVCRT__FPCLASS_PN;
628 return MSVCRT__FPCLASS_QNAN;
629 return num == 0.0 ? MSVCRT__FPCLASS_PZ : (num < 0 ? MSVCRT__FPCLASS_NN : MSVCRT__FPCLASS_PN);
633 /*********************************************************************
636 unsigned int CDECL _rotl(unsigned int num, int shift)
639 return (num << shift) | (num >> (32-shift));
642 /*********************************************************************
645 double CDECL _logb(double num)
647 if (!finite(num)) *MSVCRT__errno() = MSVCRT_EDOM;
651 /*********************************************************************
654 MSVCRT_ulong CDECL MSVCRT__lrotl(MSVCRT_ulong num, int shift)
657 return (num << shift) | (num >> (32-shift));
660 /*********************************************************************
663 MSVCRT_ulong CDECL MSVCRT__lrotr(MSVCRT_ulong num, int shift)
666 return (num >> shift) | (num << (32-shift));
669 /*********************************************************************
672 unsigned int CDECL _rotr(unsigned int num, int shift)
675 return (num >> shift) | (num << (32-shift));
678 /*********************************************************************
681 double CDECL MSVCRT__scalb(double num, MSVCRT_long power)
683 if (!finite(num)) *MSVCRT__errno() = MSVCRT_EDOM;
684 return ldexp(num, power);
687 /*********************************************************************
690 double CDECL _hypot(double x, double y)
692 /* FIXME: errno handling */
693 return hypot( x, y );
696 /*********************************************************************
699 float CDECL _hypotf(float x, float y)
701 /* FIXME: errno handling */
702 return hypotf( x, y );
705 /*********************************************************************
708 double CDECL MSVCRT_ceil( double x )
713 /*********************************************************************
716 double CDECL MSVCRT_floor( double x )
721 /*********************************************************************
724 double CDECL MSVCRT_fabs( double x )
729 /*********************************************************************
732 double CDECL MSVCRT_frexp( double x, int *exp )
734 return frexp( x, exp );
737 /*********************************************************************
740 double CDECL MSVCRT_modf( double x, double *iptr )
742 return modf( x, iptr );
745 /*********************************************************************
746 * _matherr (MSVCRT.@)
748 int CDECL MSVCRT__matherr(struct MSVCRT__exception *e)
751 TRACE("(%p = %d, %s, %g %g %g)\n",e, e->type, e->name, e->arg1, e->arg2,
755 if (MSVCRT_default_matherr_func)
756 return MSVCRT_default_matherr_func(e);
757 ERR(":Unhandled math error!\n");
761 /*********************************************************************
762 * __setusermatherr (MSVCRT.@)
764 void CDECL MSVCRT___setusermatherr(MSVCRT_matherr_func func)
766 MSVCRT_default_matherr_func = func;
767 TRACE(":new matherr handler %p\n", func);
770 /**********************************************************************
771 * _statusfp2 (MSVCRT.@)
773 * Not exported by native msvcrt, added in msvcr80.
775 #if defined(__i386__) || defined(__x86_64__)
776 void CDECL _statusfp2( unsigned int *x86_sw, unsigned int *sse2_sw )
780 unsigned long fpword;
784 __asm__ __volatile__( "fstsw %0" : "=m" (fpword) );
786 if (fpword & 0x1) flags |= MSVCRT__SW_INVALID;
787 if (fpword & 0x2) flags |= MSVCRT__SW_DENORMAL;
788 if (fpword & 0x4) flags |= MSVCRT__SW_ZERODIVIDE;
789 if (fpword & 0x8) flags |= MSVCRT__SW_OVERFLOW;
790 if (fpword & 0x10) flags |= MSVCRT__SW_UNDERFLOW;
791 if (fpword & 0x20) flags |= MSVCRT__SW_INEXACT;
795 if (!sse2_sw) return;
799 __asm__ __volatile__( "stmxcsr %0" : "=m" (fpword) );
801 if (fpword & 0x1) flags |= MSVCRT__SW_INVALID;
802 if (fpword & 0x2) flags |= MSVCRT__SW_DENORMAL;
803 if (fpword & 0x4) flags |= MSVCRT__SW_ZERODIVIDE;
804 if (fpword & 0x8) flags |= MSVCRT__SW_OVERFLOW;
805 if (fpword & 0x10) flags |= MSVCRT__SW_UNDERFLOW;
806 if (fpword & 0x20) flags |= MSVCRT__SW_INEXACT;
811 FIXME( "not implemented\n" );
816 /**********************************************************************
817 * _statusfp (MSVCRT.@)
819 unsigned int CDECL _statusfp(void)
821 #if defined(__i386__) || defined(__x86_64__)
822 unsigned int x86_sw, sse2_sw;
824 _statusfp2( &x86_sw, &sse2_sw );
825 /* FIXME: there's no definition for ambiguous status, just return all status bits for now */
826 return x86_sw | sse2_sw;
828 FIXME( "not implemented\n" );
833 /*********************************************************************
834 * _clearfp (MSVCRT.@)
836 unsigned int CDECL _clearfp(void)
838 unsigned int flags = 0;
839 #if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
840 unsigned long fpword;
842 __asm__ __volatile__( "fnstsw %0; fnclex" : "=m" (fpword) );
843 if (fpword & 0x1) flags |= MSVCRT__SW_INVALID;
844 if (fpword & 0x2) flags |= MSVCRT__SW_DENORMAL;
845 if (fpword & 0x4) flags |= MSVCRT__SW_ZERODIVIDE;
846 if (fpword & 0x8) flags |= MSVCRT__SW_OVERFLOW;
847 if (fpword & 0x10) flags |= MSVCRT__SW_UNDERFLOW;
848 if (fpword & 0x20) flags |= MSVCRT__SW_INEXACT;
852 __asm__ __volatile__( "stmxcsr %0" : "=m" (fpword) );
853 if (fpword & 0x1) flags |= MSVCRT__SW_INVALID;
854 if (fpword & 0x2) flags |= MSVCRT__SW_DENORMAL;
855 if (fpword & 0x4) flags |= MSVCRT__SW_ZERODIVIDE;
856 if (fpword & 0x8) flags |= MSVCRT__SW_OVERFLOW;
857 if (fpword & 0x10) flags |= MSVCRT__SW_UNDERFLOW;
858 if (fpword & 0x20) flags |= MSVCRT__SW_INEXACT;
860 __asm__ __volatile__( "ldmxcsr %0" : : "m" (fpword) );
863 FIXME( "not implemented\n" );
868 /*********************************************************************
869 * __fpecode (MSVCRT.@)
871 int * CDECL __fpecode(void)
873 return &msvcrt_get_thread_data()->fpecode;
876 /*********************************************************************
879 double CDECL MSVCRT_ldexp(double num, MSVCRT_long exp)
881 double z = ldexp(num,exp);
884 *MSVCRT__errno() = MSVCRT_ERANGE;
885 else if (z == 0 && signbit(z))
886 z = 0.0; /* Convert -0 -> +0 */
890 /*********************************************************************
893 double CDECL MSVCRT__cabs(struct MSVCRT__complex num)
895 return sqrt(num.x * num.x + num.y * num.y);
898 /*********************************************************************
899 * _chgsign (MSVCRT.@)
901 double CDECL _chgsign(double num)
903 /* FIXME: +-infinity,Nan not tested */
907 /*********************************************************************
908 * __control87_2 (MSVCRT.@)
910 * Not exported by native msvcrt, added in msvcr80.
912 #if defined(__i386__) || defined(__x86_64__)
913 int CDECL __control87_2( unsigned int newval, unsigned int mask,
914 unsigned int *x86_cw, unsigned int *sse2_cw )
917 unsigned long fpword;
922 __asm__ __volatile__( "fstcw %0" : "=m" (fpword) );
924 /* Convert into mask constants */
926 if (fpword & 0x1) flags |= MSVCRT__EM_INVALID;
927 if (fpword & 0x2) flags |= MSVCRT__EM_DENORMAL;
928 if (fpword & 0x4) flags |= MSVCRT__EM_ZERODIVIDE;
929 if (fpword & 0x8) flags |= MSVCRT__EM_OVERFLOW;
930 if (fpword & 0x10) flags |= MSVCRT__EM_UNDERFLOW;
931 if (fpword & 0x20) flags |= MSVCRT__EM_INEXACT;
932 switch (fpword & 0xc00)
934 case 0xc00: flags |= MSVCRT__RC_UP|MSVCRT__RC_DOWN; break;
935 case 0x800: flags |= MSVCRT__RC_UP; break;
936 case 0x400: flags |= MSVCRT__RC_DOWN; break;
938 switch (fpword & 0x300)
940 case 0x0: flags |= MSVCRT__PC_24; break;
941 case 0x200: flags |= MSVCRT__PC_53; break;
942 case 0x300: flags |= MSVCRT__PC_64; break;
944 if (fpword & 0x1000) flags |= MSVCRT__IC_AFFINE;
946 TRACE( "x86 flags=%08x newval=%08x mask=%08x\n", flags, newval, mask );
949 flags = (flags & ~mask) | (newval & mask);
951 /* Convert (masked) value back to fp word */
953 if (flags & MSVCRT__EM_INVALID) fpword |= 0x1;
954 if (flags & MSVCRT__EM_DENORMAL) fpword |= 0x2;
955 if (flags & MSVCRT__EM_ZERODIVIDE) fpword |= 0x4;
956 if (flags & MSVCRT__EM_OVERFLOW) fpword |= 0x8;
957 if (flags & MSVCRT__EM_UNDERFLOW) fpword |= 0x10;
958 if (flags & MSVCRT__EM_INEXACT) fpword |= 0x20;
959 switch (flags & MSVCRT__MCW_RC)
961 case MSVCRT__RC_UP|MSVCRT__RC_DOWN: fpword |= 0xc00; break;
962 case MSVCRT__RC_UP: fpword |= 0x800; break;
963 case MSVCRT__RC_DOWN: fpword |= 0x400; break;
965 switch (flags & MSVCRT__MCW_PC)
967 case MSVCRT__PC_64: fpword |= 0x300; break;
968 case MSVCRT__PC_53: fpword |= 0x200; break;
969 case MSVCRT__PC_24: fpword |= 0x0; break;
971 if (flags & MSVCRT__IC_AFFINE) fpword |= 0x1000;
973 __asm__ __volatile__( "fldcw %0" : : "m" (fpword) );
978 if (!sse2_cw) return 1;
982 __asm__ __volatile__( "stmxcsr %0" : "=m" (fpword) );
984 /* Convert into mask constants */
986 if (fpword & 0x80) flags |= MSVCRT__EM_INVALID;
987 if (fpword & 0x100) flags |= MSVCRT__EM_DENORMAL;
988 if (fpword & 0x200) flags |= MSVCRT__EM_ZERODIVIDE;
989 if (fpword & 0x400) flags |= MSVCRT__EM_OVERFLOW;
990 if (fpword & 0x800) flags |= MSVCRT__EM_UNDERFLOW;
991 if (fpword & 0x1000) flags |= MSVCRT__EM_INEXACT;
992 switch (fpword & 0x6000)
994 case 0x6000: flags |= MSVCRT__RC_UP|MSVCRT__RC_DOWN; break;
995 case 0x4000: flags |= MSVCRT__RC_UP; break;
996 case 0x2000: flags |= MSVCRT__RC_DOWN; break;
998 switch (fpword & 0x8040)
1000 case 0x0040: flags |= MSVCRT__DN_FLUSH_OPERANDS_SAVE_RESULTS; break;
1001 case 0x8000: flags |= MSVCRT__DN_SAVE_OPERANDS_FLUSH_RESULTS; break;
1002 case 0x8040: flags |= MSVCRT__DN_FLUSH; break;
1005 TRACE( "sse2 flags=%08x newval=%08x mask=%08x\n", flags, newval, mask );
1008 flags = (flags & ~mask) | (newval & mask);
1010 /* Convert (masked) value back to fp word */
1012 if (flags & MSVCRT__EM_INVALID) fpword |= 0x80;
1013 if (flags & MSVCRT__EM_DENORMAL) fpword |= 0x100;
1014 if (flags & MSVCRT__EM_ZERODIVIDE) fpword |= 0x200;
1015 if (flags & MSVCRT__EM_OVERFLOW) fpword |= 0x400;
1016 if (flags & MSVCRT__EM_UNDERFLOW) fpword |= 0x800;
1017 if (flags & MSVCRT__EM_INEXACT) fpword |= 0x1000;
1018 switch (flags & MSVCRT__MCW_RC)
1020 case MSVCRT__RC_UP|MSVCRT__RC_DOWN: fpword |= 0x6000; break;
1021 case MSVCRT__RC_UP: fpword |= 0x4000; break;
1022 case MSVCRT__RC_DOWN: fpword |= 0x2000; break;
1024 switch (flags & MSVCRT__MCW_DN)
1026 case MSVCRT__DN_FLUSH_OPERANDS_SAVE_RESULTS: fpword |= 0x0040; break;
1027 case MSVCRT__DN_SAVE_OPERANDS_FLUSH_RESULTS: fpword |= 0x8000; break;
1028 case MSVCRT__DN_FLUSH: fpword |= 0x8040; break;
1030 __asm__ __volatile__( "ldmxcsr %0" : : "m" (fpword) );
1038 FIXME( "not implemented\n" );
1044 /*********************************************************************
1045 * _control87 (MSVCRT.@)
1047 unsigned int CDECL _control87(unsigned int newval, unsigned int mask)
1049 #if defined(__i386__) || defined(__x86_64__)
1050 unsigned int x86_cw, sse2_cw;
1052 __control87_2( newval, mask, &x86_cw, &sse2_cw );
1054 if ((x86_cw ^ sse2_cw) & (MSVCRT__MCW_EM | MSVCRT__MCW_RC)) x86_cw |= MSVCRT__EM_AMBIGUOUS;
1057 FIXME( "not implemented\n" );
1062 /*********************************************************************
1063 * _controlfp (MSVCRT.@)
1065 unsigned int CDECL _controlfp(unsigned int newval, unsigned int mask)
1067 return _control87( newval, mask & ~MSVCRT__EM_DENORMAL );
1070 /*********************************************************************
1071 * _set_controlfp (MSVCRT.@)
1073 void CDECL _set_controlfp( unsigned int newval, unsigned int mask )
1075 _controlfp( newval, mask );
1078 /*********************************************************************
1079 * _controlfp_s (MSVCRT.@)
1081 int CDECL _controlfp_s(unsigned int *cur, unsigned int newval, unsigned int mask)
1083 static const unsigned int all_flags = (MSVCRT__MCW_EM | MSVCRT__MCW_IC | MSVCRT__MCW_RC |
1084 MSVCRT__MCW_PC | MSVCRT__MCW_DN);
1087 if (!MSVCRT_CHECK_PMT( !(newval & mask & ~all_flags) ))
1089 if (cur) *cur = _controlfp( 0, 0 ); /* retrieve it anyway */
1090 *MSVCRT__errno() = MSVCRT_EINVAL;
1091 return MSVCRT_EINVAL;
1093 val = _controlfp( newval, mask );
1094 if (cur) *cur = val;
1098 /*********************************************************************
1099 * _copysign (MSVCRT.@)
1101 double CDECL _copysign(double num, double sign)
1103 /* FIXME: Behaviour for Nan/Inf? */
1105 return num < 0.0 ? num : -num;
1106 return num < 0.0 ? -num : num;
1109 /*********************************************************************
1110 * _finite (MSVCRT.@)
1112 int CDECL _finite(double num)
1114 return (finite(num)?1:0); /* See comment for _isnan() */
1117 /*********************************************************************
1118 * _fpreset (MSVCRT.@)
1120 void CDECL _fpreset(void)
1122 #if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
1123 const unsigned int x86_cw = 0x27f;
1124 __asm__ __volatile__( "fninit; fldcw %0" : : "m" (x86_cw) );
1127 const unsigned long sse2_cw = 0x1f80;
1128 __asm__ __volatile__( "ldmxcsr %0" : : "m" (sse2_cw) );
1131 FIXME( "not implemented\n" );
1135 /*********************************************************************
1138 INT CDECL _isnan(double num)
1140 /* Some implementations return -1 for true(glibc), msvcrt/crtdll return 1.
1141 * Do the same, as the result may be used in calculations
1143 return isnan(num) ? 1 : 0;
1146 /*********************************************************************
1149 double CDECL _j0(double num)
1151 /* FIXME: errno handling */
1155 /*********************************************************************
1158 double CDECL _j1(double num)
1160 /* FIXME: errno handling */
1164 /*********************************************************************
1167 double CDECL _jn(int n, double num)
1169 /* FIXME: errno handling */
1173 /*********************************************************************
1176 double CDECL _y0(double num)
1179 if (!finite(num)) *MSVCRT__errno() = MSVCRT_EDOM;
1181 if (_fpclass(retval) == MSVCRT__FPCLASS_NINF)
1183 *MSVCRT__errno() = MSVCRT_EDOM;
1189 /*********************************************************************
1192 double CDECL _y1(double num)
1195 if (!finite(num)) *MSVCRT__errno() = MSVCRT_EDOM;
1197 if (_fpclass(retval) == MSVCRT__FPCLASS_NINF)
1199 *MSVCRT__errno() = MSVCRT_EDOM;
1205 /*********************************************************************
1208 double CDECL _yn(int order, double num)
1211 if (!finite(num)) *MSVCRT__errno() = MSVCRT_EDOM;
1212 retval = yn(order,num);
1213 if (_fpclass(retval) == MSVCRT__FPCLASS_NINF)
1215 *MSVCRT__errno() = MSVCRT_EDOM;
1221 /*********************************************************************
1222 * _nextafter (MSVCRT.@)
1224 double CDECL _nextafter(double num, double next)
1227 if (!finite(num) || !finite(next)) *MSVCRT__errno() = MSVCRT_EDOM;
1228 retval = nextafter(num,next);
1232 /*********************************************************************
1235 char * CDECL _ecvt( double number, int ndigits, int *decpt, int *sign )
1238 thread_data_t *data = msvcrt_get_thread_data();
1239 /* FIXME: check better for overflow (native supports over 300 chars's) */
1240 ndigits = min( ndigits, 80 - 7); /* 7 : space for dec point, 1 for "e",
1241 * 4 for exponent and one for
1242 * terminating '\0' */
1243 if (!data->efcvt_buffer)
1244 data->efcvt_buffer = MSVCRT_malloc( 80 ); /* ought to be enough */
1251 /* handle cases with zero ndigits or less */
1253 if( prec < 1) prec = 2;
1254 len = snprintf(data->efcvt_buffer, 80, "%.*le", prec - 1, number);
1255 /* take the decimal "point away */
1257 memmove( data->efcvt_buffer + 1, data->efcvt_buffer + 2, len - 1 );
1258 /* take the exponential "e" out */
1259 data->efcvt_buffer[ prec] = '\0';
1260 /* read the exponent */
1261 sscanf( data->efcvt_buffer + prec + 1, "%d", decpt);
1263 /* adjust for some border cases */
1264 if( data->efcvt_buffer[0] == '0')/* value is zero */
1266 /* handle cases with zero ndigits or less */
1268 if( data->efcvt_buffer[ 0] >= '5')
1270 data->efcvt_buffer[ 0] = '\0';
1272 TRACE("out=\"%s\"\n",data->efcvt_buffer);
1273 return data->efcvt_buffer;
1276 /*********************************************************************
1277 * _ecvt_s (MSVCRT.@)
1279 int CDECL _ecvt_s( char *buffer, MSVCRT_size_t length, double number, int ndigits, int *decpt, int *sign )
1283 const char infret[] = "1#INF";
1285 if(!MSVCRT_CHECK_PMT(buffer != NULL) || !MSVCRT_CHECK_PMT(decpt != NULL) || !MSVCRT_CHECK_PMT(sign != NULL))
1287 *MSVCRT__errno() = MSVCRT_EINVAL;
1288 return MSVCRT_EINVAL;
1290 if(!MSVCRT_CHECK_PMT(length > 2) || !MSVCRT_CHECK_PMT(ndigits < (int)length - 1))
1292 *MSVCRT__errno() = MSVCRT_ERANGE;
1293 return MSVCRT_ERANGE;
1296 /* special case - inf */
1297 if(number == HUGE_VAL || number == -HUGE_VAL)
1299 memset(buffer, '0', ndigits);
1300 memcpy(buffer, infret, min(ndigits, sizeof(infret) - 1 ) );
1301 buffer[ndigits] = '\0';
1303 if(number == -HUGE_VAL)
1309 result = (char*)MSVCRT_malloc(max(ndigits + 7, 7));
1316 /* handle cases with zero ndigits or less */
1318 if( prec < 1) prec = 2;
1319 len = snprintf(result, 80, "%.*le", prec - 1, number);
1320 /* take the decimal "point away */
1322 memmove( result + 1, result + 2, len - 1 );
1323 /* take the exponential "e" out */
1324 result[ prec] = '\0';
1325 /* read the exponent */
1326 sscanf( result + prec + 1, "%d", decpt);
1328 /* adjust for some border cases */
1329 if( result[0] == '0')/* value is zero */
1331 /* handle cases with zero ndigits or less */
1333 if( result[ 0] >= '5')
1337 memcpy( buffer, result, max(ndigits + 1, 1) );
1338 MSVCRT_free( result );
1342 /***********************************************************************
1345 char * CDECL _fcvt( double number, int ndigits, int *decpt, int *sign )
1347 thread_data_t *data = msvcrt_get_thread_data();
1348 int stop, dec1, dec2;
1349 char *ptr1, *ptr2, *first;
1350 char buf[80]; /* ought to be enough */
1352 if (!data->efcvt_buffer)
1353 data->efcvt_buffer = MSVCRT_malloc( 80 ); /* ought to be enough */
1361 snprintf(buf, 80, "%.*f", ndigits < 0 ? 0 : ndigits, number);
1363 ptr2 = data->efcvt_buffer;
1368 /* For numbers below the requested resolution, work out where
1369 the decimal point will be rather than finding it in the string */
1370 if (number < 1.0 && number > 0.0) {
1371 dec2 = log10(number + 1e-10);
1372 if (-dec2 <= ndigits) dec2 = 0;
1375 /* If requested digits is zero or less, we will need to truncate
1376 * the returned string */
1378 stop = strlen(buf) + ndigits;
1383 while (*ptr1 == '0') ptr1++; /* Skip leading zeroes */
1384 while (*ptr1 != '\0' && *ptr1 != '.') {
1385 if (!first) first = ptr2;
1386 if ((ptr1 - buf) < stop) {
1397 while (*ptr1 == '0') { /* Process leading zeroes */
1402 while (*ptr1 != '\0') {
1403 if (!first) first = ptr2;
1410 /* We never found a non-zero digit, then our number is either
1411 * smaller than the requested precision, or 0.0 */
1416 first = data->efcvt_buffer;
1421 *decpt = dec2 ? dec2 : dec1;
1425 /***********************************************************************
1426 * _fcvt_s (MSVCRT.@)
1428 int CDECL _fcvt_s(char* outbuffer, MSVCRT_size_t size, double number, int ndigits, int *decpt, int *sign)
1430 int stop, dec1, dec2;
1431 char *ptr1, *ptr2, *first;
1432 char buf[80]; /* ought to be enough */
1434 if (!outbuffer || !decpt || !sign || size == 0)
1436 *MSVCRT__errno() = MSVCRT_EINVAL;
1437 return MSVCRT_EINVAL;
1446 snprintf(buf, 80, "%.*f", ndigits < 0 ? 0 : ndigits, number);
1453 /* For numbers below the requested resolution, work out where
1454 the decimal point will be rather than finding it in the string */
1455 if (number < 1.0 && number > 0.0) {
1456 dec2 = log10(number + 1e-10);
1457 if (-dec2 <= ndigits) dec2 = 0;
1460 /* If requested digits is zero or less, we will need to truncate
1461 * the returned string */
1463 stop = strlen(buf) + ndigits;
1468 while (*ptr1 == '0') ptr1++; /* Skip leading zeroes */
1469 while (*ptr1 != '\0' && *ptr1 != '.') {
1470 if (!first) first = ptr2;
1471 if ((ptr1 - buf) < stop) {
1485 while (*ptr1 == '0') { /* Process leading zeroes */
1486 if (number == 0.0 && size > 1) {
1494 while (*ptr1 != '\0') {
1495 if (!first) first = ptr2;
1505 /* We never found a non-zero digit, then our number is either
1506 * smaller than the requested precision, or 0.0 */
1507 if (!first && (number <= 0.0))
1510 *decpt = dec2 ? dec2 : dec1;
1514 /***********************************************************************
1517 char * CDECL _gcvt( double number, int ndigit, char *buff )
1520 *MSVCRT__errno() = MSVCRT_EINVAL;
1525 *MSVCRT__errno() = MSVCRT_ERANGE;
1529 MSVCRT_sprintf(buff, "%.*g", ndigit, number);
1533 /***********************************************************************
1534 * _gcvt_s (MSVCRT.@)
1536 int CDECL _gcvt_s(char *buff, MSVCRT_size_t size, double number, int digits)
1541 *MSVCRT__errno() = MSVCRT_EINVAL;
1542 return MSVCRT_EINVAL;
1545 if( digits<0 || digits>=size) {
1549 *MSVCRT__errno() = MSVCRT_ERANGE;
1550 return MSVCRT_ERANGE;
1553 len = MSVCRT__scprintf("%.*g", digits, number);
1556 *MSVCRT__errno() = MSVCRT_ERANGE;
1557 return MSVCRT_ERANGE;
1560 MSVCRT_sprintf(buff, "%.*g", digits, number);
1564 #include <stdlib.h> /* div_t, ldiv_t */
1566 /*********************************************************************
1569 * [i386] Windows binary compatible - returns the struct in eax/edx.
1572 unsigned __int64 CDECL MSVCRT_div(int num, int denom)
1574 div_t dt = div(num,denom);
1575 return ((unsigned __int64)dt.rem << 32) | (unsigned int)dt.quot;
1578 /*********************************************************************
1581 * [!i386] Non-x86 can't run win32 apps so we don't need binary compatibility
1583 MSVCRT_div_t CDECL MSVCRT_div(int num, int denom)
1585 div_t dt = div(num,denom);
1593 #endif /* ifdef __i386__ */
1596 /*********************************************************************
1599 * [i386] Windows binary compatible - returns the struct in eax/edx.
1602 unsigned __int64 CDECL MSVCRT_ldiv(MSVCRT_long num, MSVCRT_long denom)
1604 ldiv_t ldt = ldiv(num,denom);
1605 return ((unsigned __int64)ldt.rem << 32) | (MSVCRT_ulong)ldt.quot;
1608 /*********************************************************************
1611 * [!i386] Non-x86 can't run win32 apps so we don't need binary compatibility
1613 MSVCRT_ldiv_t CDECL MSVCRT_ldiv(MSVCRT_long num, MSVCRT_long denom)
1615 ldiv_t result = ldiv(num,denom);
1618 ret.quot = result.quot;
1619 ret.rem = result.rem;
1623 #endif /* ifdef __i386__ */
1627 /*********************************************************************
1628 * _adjust_fdiv (MSVCRT.@)
1629 * Used by the MSVC compiler to work around the Pentium FDIV bug.
1631 int MSVCRT__adjust_fdiv = 0;
1633 /***********************************************************************
1634 * _adj_fdiv_m16i (MSVCRT.@)
1637 * I _think_ this function is intended to work around the Pentium
1640 void __stdcall _adj_fdiv_m16i( short arg )
1642 TRACE("(): stub\n");
1645 /***********************************************************************
1646 * _adj_fdiv_m32 (MSVCRT.@)
1649 * I _think_ this function is intended to work around the Pentium
1652 void __stdcall _adj_fdiv_m32( unsigned int arg )
1654 TRACE("(): stub\n");
1657 /***********************************************************************
1658 * _adj_fdiv_m32i (MSVCRT.@)
1661 * I _think_ this function is intended to work around the Pentium
1664 void __stdcall _adj_fdiv_m32i( int arg )
1666 TRACE("(): stub\n");
1669 /***********************************************************************
1670 * _adj_fdiv_m64 (MSVCRT.@)
1673 * I _think_ this function is intended to work around the Pentium
1676 void __stdcall _adj_fdiv_m64( unsigned __int64 arg )
1678 TRACE("(): stub\n");
1681 /***********************************************************************
1682 * _adj_fdiv_r (MSVCRT.@)
1684 * This function is likely to have the wrong number of arguments.
1687 * I _think_ this function is intended to work around the Pentium
1690 void _adj_fdiv_r(void)
1692 TRACE("(): stub\n");
1695 /***********************************************************************
1696 * _adj_fdivr_m16i (MSVCRT.@)
1699 * I _think_ this function is intended to work around the Pentium
1702 void __stdcall _adj_fdivr_m16i( short arg )
1704 TRACE("(): stub\n");
1707 /***********************************************************************
1708 * _adj_fdivr_m32 (MSVCRT.@)
1711 * I _think_ this function is intended to work around the Pentium
1714 void __stdcall _adj_fdivr_m32( unsigned int arg )
1716 TRACE("(): stub\n");
1719 /***********************************************************************
1720 * _adj_fdivr_m32i (MSVCRT.@)
1723 * I _think_ this function is intended to work around the Pentium
1726 void __stdcall _adj_fdivr_m32i( int arg )
1728 TRACE("(): stub\n");
1731 /***********************************************************************
1732 * _adj_fdivr_m64 (MSVCRT.@)
1735 * I _think_ this function is intended to work around the Pentium
1738 void __stdcall _adj_fdivr_m64( unsigned __int64 arg )
1740 TRACE("(): stub\n");
1743 /***********************************************************************
1744 * _adj_fpatan (MSVCRT.@)
1746 * This function is likely to have the wrong number of arguments.
1749 * I _think_ this function is intended to work around the Pentium
1752 void _adj_fpatan(void)
1754 TRACE("(): stub\n");
1757 /***********************************************************************
1758 * _adj_fprem (MSVCRT.@)
1760 * This function is likely to have the wrong number of arguments.
1763 * I _think_ this function is intended to work around the Pentium
1766 void _adj_fprem(void)
1768 TRACE("(): stub\n");
1771 /***********************************************************************
1772 * _adj_fprem1 (MSVCRT.@)
1774 * This function is likely to have the wrong number of arguments.
1777 * I _think_ this function is intended to work around the Pentium
1780 void _adj_fprem1(void)
1782 TRACE("(): stub\n");
1785 /***********************************************************************
1786 * _adj_fptan (MSVCRT.@)
1788 * This function is likely to have the wrong number of arguments.
1791 * I _think_ this function is intended to work around the Pentium
1794 void _adj_fptan(void)
1796 TRACE("(): stub\n");
1799 /***********************************************************************
1800 * _safe_fdiv (MSVCRT.@)
1802 * This function is likely to have the wrong number of arguments.
1805 * I _think_ this function is intended to work around the Pentium
1808 void _safe_fdiv(void)
1810 TRACE("(): stub\n");
1813 /***********************************************************************
1814 * _safe_fdivr (MSVCRT.@)
1816 * This function is likely to have the wrong number of arguments.
1819 * I _think_ this function is intended to work around the Pentium
1822 void _safe_fdivr(void)
1824 TRACE("(): stub\n");
1827 /***********************************************************************
1828 * _safe_fprem (MSVCRT.@)
1830 * This function is likely to have the wrong number of arguments.
1833 * I _think_ this function is intended to work around the Pentium
1836 void _safe_fprem(void)
1838 TRACE("(): stub\n");
1841 /***********************************************************************
1842 * _safe_fprem1 (MSVCRT.@)
1845 * This function is likely to have the wrong number of arguments.
1848 * I _think_ this function is intended to work around the Pentium
1851 void _safe_fprem1(void)
1853 TRACE("(): stub\n");
1856 /***********************************************************************
1857 * __libm_sse2_acos (MSVCRT.@)
1859 void __cdecl __libm_sse2_acos(void)
1862 __asm__ __volatile__( "movq %%xmm0,%0" : "=m" (d) );
1864 __asm__ __volatile__( "movq %0,%%xmm0" : : "m" (d) );
1867 /***********************************************************************
1868 * __libm_sse2_acosf (MSVCRT.@)
1870 void __cdecl __libm_sse2_acosf(void)
1873 __asm__ __volatile__( "movd %%xmm0,%0" : "=g" (f) );
1875 __asm__ __volatile__( "movd %0,%%xmm0" : : "g" (f) );
1878 /***********************************************************************
1879 * __libm_sse2_asin (MSVCRT.@)
1881 void __cdecl __libm_sse2_asin(void)
1884 __asm__ __volatile__( "movq %%xmm0,%0" : "=m" (d) );
1886 __asm__ __volatile__( "movq %0,%%xmm0" : : "m" (d) );
1889 /***********************************************************************
1890 * __libm_sse2_asinf (MSVCRT.@)
1892 void __cdecl __libm_sse2_asinf(void)
1895 __asm__ __volatile__( "movd %%xmm0,%0" : "=g" (f) );
1897 __asm__ __volatile__( "movd %0,%%xmm0" : : "g" (f) );
1900 /***********************************************************************
1901 * __libm_sse2_atan (MSVCRT.@)
1903 void __cdecl __libm_sse2_atan(void)
1906 __asm__ __volatile__( "movq %%xmm0,%0" : "=m" (d) );
1908 __asm__ __volatile__( "movq %0,%%xmm0" : : "m" (d) );
1911 /***********************************************************************
1912 * __libm_sse2_atan2 (MSVCRT.@)
1914 void __cdecl __libm_sse2_atan2(void)
1917 __asm__ __volatile__( "movq %%xmm0,%0; movq %%xmm1,%1 " : "=m" (d1), "=m" (d2) );
1918 d1 = atan2( d1, d2 );
1919 __asm__ __volatile__( "movq %0,%%xmm0" : : "m" (d1) );
1922 /***********************************************************************
1923 * __libm_sse2_atanf (MSVCRT.@)
1925 void __cdecl __libm_sse2_atanf(void)
1928 __asm__ __volatile__( "movd %%xmm0,%0" : "=g" (f) );
1930 __asm__ __volatile__( "movd %0,%%xmm0" : : "g" (f) );
1933 /***********************************************************************
1934 * __libm_sse2_cos (MSVCRT.@)
1936 void __cdecl __libm_sse2_cos(void)
1939 __asm__ __volatile__( "movq %%xmm0,%0" : "=m" (d) );
1941 __asm__ __volatile__( "movq %0,%%xmm0" : : "m" (d) );
1944 /***********************************************************************
1945 * __libm_sse2_cosf (MSVCRT.@)
1947 void __cdecl __libm_sse2_cosf(void)
1950 __asm__ __volatile__( "movd %%xmm0,%0" : "=g" (f) );
1952 __asm__ __volatile__( "movd %0,%%xmm0" : : "g" (f) );
1955 /***********************************************************************
1956 * __libm_sse2_exp (MSVCRT.@)
1958 void __cdecl __libm_sse2_exp(void)
1961 __asm__ __volatile__( "movq %%xmm0,%0" : "=m" (d) );
1963 __asm__ __volatile__( "movq %0,%%xmm0" : : "m" (d) );
1966 /***********************************************************************
1967 * __libm_sse2_expf (MSVCRT.@)
1969 void __cdecl __libm_sse2_expf(void)
1972 __asm__ __volatile__( "movd %%xmm0,%0" : "=g" (f) );
1974 __asm__ __volatile__( "movd %0,%%xmm0" : : "g" (f) );
1977 /***********************************************************************
1978 * __libm_sse2_log (MSVCRT.@)
1980 void __cdecl __libm_sse2_log(void)
1983 __asm__ __volatile__( "movq %%xmm0,%0" : "=m" (d) );
1985 __asm__ __volatile__( "movq %0,%%xmm0" : : "m" (d) );
1988 /***********************************************************************
1989 * __libm_sse2_log10 (MSVCRT.@)
1991 void __cdecl __libm_sse2_log10(void)
1994 __asm__ __volatile__( "movq %%xmm0,%0" : "=m" (d) );
1996 __asm__ __volatile__( "movq %0,%%xmm0" : : "m" (d) );
1999 /***********************************************************************
2000 * __libm_sse2_log10f (MSVCRT.@)
2002 void __cdecl __libm_sse2_log10f(void)
2005 __asm__ __volatile__( "movd %%xmm0,%0" : "=g" (f) );
2007 __asm__ __volatile__( "movd %0,%%xmm0" : : "g" (f) );
2010 /***********************************************************************
2011 * __libm_sse2_logf (MSVCRT.@)
2013 void __cdecl __libm_sse2_logf(void)
2016 __asm__ __volatile__( "movd %%xmm0,%0" : "=g" (f) );
2018 __asm__ __volatile__( "movd %0,%%xmm0" : : "g" (f) );
2021 /***********************************************************************
2022 * __libm_sse2_pow (MSVCRT.@)
2024 void __cdecl __libm_sse2_pow(void)
2027 __asm__ __volatile__( "movq %%xmm0,%0; movq %%xmm1,%1 " : "=m" (d1), "=m" (d2) );
2029 __asm__ __volatile__( "movq %0,%%xmm0" : : "m" (d1) );
2032 /***********************************************************************
2033 * __libm_sse2_powf (MSVCRT.@)
2035 void __cdecl __libm_sse2_powf(void)
2038 __asm__ __volatile__( "movd %%xmm0,%0; movd %%xmm1,%1" : "=g" (f1), "=g" (f2) );
2039 f1 = powf( f1, f2 );
2040 __asm__ __volatile__( "movd %0,%%xmm0" : : "g" (f1) );
2043 /***********************************************************************
2044 * __libm_sse2_sin (MSVCRT.@)
2046 void __cdecl __libm_sse2_sin(void)
2049 __asm__ __volatile__( "movq %%xmm0,%0" : "=m" (d) );
2051 __asm__ __volatile__( "movq %0,%%xmm0" : : "m" (d) );
2054 /***********************************************************************
2055 * __libm_sse2_sinf (MSVCRT.@)
2057 void __cdecl __libm_sse2_sinf(void)
2060 __asm__ __volatile__( "movd %%xmm0,%0" : "=g" (f) );
2062 __asm__ __volatile__( "movd %0,%%xmm0" : : "g" (f) );
2065 /***********************************************************************
2066 * __libm_sse2_tan (MSVCRT.@)
2068 void __cdecl __libm_sse2_tan(void)
2071 __asm__ __volatile__( "movq %%xmm0,%0" : "=m" (d) );
2073 __asm__ __volatile__( "movq %0,%%xmm0" : : "m" (d) );
2076 /***********************************************************************
2077 * __libm_sse2_tanf (MSVCRT.@)
2079 void __cdecl __libm_sse2_tanf(void)
2082 __asm__ __volatile__( "movd %%xmm0,%0" : "=g" (f) );
2084 __asm__ __volatile__( "movd %0,%%xmm0" : : "g" (f) );
2087 #endif /* __i386__ */