diff options
Diffstat (limited to 'sysdeps/m68k/fpu')
| -rw-r--r-- | sysdeps/m68k/fpu/__math.h | 8 | ||||
| -rw-r--r-- | sysdeps/m68k/fpu/s_ccosh.c | 119 | ||||
| -rw-r--r-- | sysdeps/m68k/fpu/s_ccoshf.c | 4 | ||||
| -rw-r--r-- | sysdeps/m68k/fpu/s_ccoshl.c | 4 | ||||
| -rw-r--r-- | sysdeps/m68k/fpu/s_cexp.c | 62 | ||||
| -rw-r--r-- | sysdeps/m68k/fpu/s_csinh.c | 128 | ||||
| -rw-r--r-- | sysdeps/m68k/fpu/s_csinhf.c | 4 | ||||
| -rw-r--r-- | sysdeps/m68k/fpu/s_csinhl.c | 4 | ||||
| -rw-r--r-- | sysdeps/m68k/fpu/s_rinttol.c | 31 | ||||
| -rw-r--r-- | sysdeps/m68k/fpu/s_rinttoll.c | 62 |
10 files changed, 412 insertions, 14 deletions
diff --git a/sysdeps/m68k/fpu/__math.h b/sysdeps/m68k/fpu/__math.h index 9b52b32d0c..68a6d90e32 100644 --- a/sysdeps/m68k/fpu/__math.h +++ b/sysdeps/m68k/fpu/__math.h @@ -282,6 +282,13 @@ __inline_functions (float,f) __inline_functions (long double,l) #undef __inline_functions +__m81_defun (long int, __rinttol, (long double __x)) +{ + long int __result; + __asm ("fmove%.l %1, %0" : "=dm" (__result) : "f" (__x)); + return __result; +} + #if !defined __NO_MATH_INLINES && defined __OPTIMIZE__ /* Define inline versions of the user visible functions. */ @@ -349,6 +356,7 @@ __inline_forward_c(int,ilogbl, (long double __value), (__value)) #endif #ifdef __USE_ISOC9X __inline_forward_c(long double,nearbyintl, (long double __value), (__value)) +__inline_forward_c(long int,rinttol, (long double __value), (__value)) #endif #endif /* Use misc or ISO C9X */ diff --git a/sysdeps/m68k/fpu/s_ccosh.c b/sysdeps/m68k/fpu/s_ccosh.c new file mode 100644 index 0000000000..439eae131c --- /dev/null +++ b/sysdeps/m68k/fpu/s_ccosh.c @@ -0,0 +1,119 @@ +/* Complex cosine hyperbole function. m68k fpu version + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#define __LIBC_M81_MATH_INLINES +#include <complex.h> +#include <math.h> + +#ifndef SUFF +#define SUFF +#endif +#ifndef huge_val +#define huge_val HUGE_VAL +#endif +#ifndef float_type +#define float_type double +#endif + +#define CONCATX(a,b) __CONCAT(a,b) +#define s(name) CONCATX(name,SUFF) +#define m81(func) __m81_u(s(func)) + +__complex__ float_type +s(__ccosh) (__complex__ float_type x) +{ + __complex__ float_type retval; + + __real__ x = s(fabs) (__real__ x); + + if (m81(__finite) (__real__ x)) + { + if (m81(__finite) (__imag__ x)) + { + float_type cosh_val; + float_type sin_ix, cos_ix; + + __asm ("fsincos%.x %2,%1:%0" : "=f" (sin_ix), "=f" (cos_ix) + : "f" (__imag__ x)); + cosh_val = m81(__ieee754_cosh) (__real__ x); + __real__ retval = cos_ix * cosh_val; + __imag__ retval = sin_ix * cosh_val; + } + else if (__real__ x == 0) + { + __imag__ retval = 0.0; + __real__ retval = huge_val - huge_val; + } + else + __real__ retval = __imag__ retval = huge_val - huge_val; + } + else if (m81(__isinf) (__real__ x)) + { + if (__imag__ x == 0) + { + __real__ retval = huge_val; + __imag__ retval = __imag__ x; + } + else if (m81(__finite) (__imag__ x)) + { + float_type remainder, pi_2; + int quadrant; + __real__ retval = __imag__ retval = huge_val; + + __asm ("fmovecr %#0,%0\n\tfscale%.w %#-1,%0" : "=f" (pi_2)); + __asm ("fmod%.x %2,%0\n\tfmove%.l %/fpsr,%1" + : "=f" (remainder), "=dm" (quadrant) + : "f" (pi_2), "0" (__imag__ x)); + quadrant = (quadrant >> 16) & 0x83; + if (quadrant & 0x80) + quadrant ^= 0x83; + switch (quadrant) + { + default: + break; + case 1: + __real__ retval = -__real__ retval; + break; + case 2: + __real__ retval = -__real__ retval; + case 3: + __imag__ retval = -__imag__ retval; + break; + } + } + else + { + /* The subtraction raises the invalid exception. */ + __real__ retval = huge_val; + __imag__ retval = huge_val - huge_val; + } + } + else if (__imag__ x == 0) + { + __real__ retval = 0.0/0.0; + __imag__ retval = __imag__ x; + } + else + __real__ retval = __imag__ retval = 0.0/0.0; + + return retval; +} +#define weak_aliasx(a,b) weak_alias(a,b) +weak_aliasx (s(__ccosh), s(ccosh)) diff --git a/sysdeps/m68k/fpu/s_ccoshf.c b/sysdeps/m68k/fpu/s_ccoshf.c new file mode 100644 index 0000000000..7d0766851f --- /dev/null +++ b/sysdeps/m68k/fpu/s_ccoshf.c @@ -0,0 +1,4 @@ +#define SUFF f +#define float_type float +#define huge_val HUGE_VALF +#include <s_ccosh.c> diff --git a/sysdeps/m68k/fpu/s_ccoshl.c b/sysdeps/m68k/fpu/s_ccoshl.c new file mode 100644 index 0000000000..6f1d1e5f85 --- /dev/null +++ b/sysdeps/m68k/fpu/s_ccoshl.c @@ -0,0 +1,4 @@ +#define SUFF l +#define float_type long double +#define huge_val HUGE_VALL +#include <s_ccosh.c> diff --git a/sysdeps/m68k/fpu/s_cexp.c b/sysdeps/m68k/fpu/s_cexp.c index d5c76453e8..4846ec10f3 100644 --- a/sysdeps/m68k/fpu/s_cexp.c +++ b/sysdeps/m68k/fpu/s_cexp.c @@ -40,18 +40,24 @@ __complex__ float_type s(__cexp) (__complex__ float_type x) { __complex__ float_type retval; - float_type sin_ix, cos_ix; if (m81(__finite) (__real__ x)) { if (m81(__finite) (__imag__ x)) { - float_type exp_val = s(__exp) (__real__ x); + float_type exp_val = m81(__ieee754_exp) (__real__ x); - __asm ("fsincos%.x %2,%1:%0" : "=f" (sin_ix), "=f" (cos_ix) - : "f" (__imag__ x)); - __real__ retval = exp_val * cos_ix; - __imag__ retval = exp_val * sin_ix; + __real__ retval = __imag__ retval = exp_val; + if (m81(__finite) (exp_val)) + { + float_type sin_ix, cos_ix; + __asm ("fsincos%.x %2,%1:%0" : "=f" (sin_ix), "=f" (cos_ix) + : "f" (__imag__ x)); + __real__ retval *= cos_ix; + __imag__ retval *= sin_ix; + } + else + goto fix_sign; } else /* If the imaginary part is +-inf or NaN and the real part is @@ -62,16 +68,41 @@ s(__cexp) (__complex__ float_type x) { if (m81(__finite) (__imag__ x)) { - if (m81(__signbit) (__real__ x) == 0 && __imag__ x == 0.0) - retval = huge_val; + float_type value = m81(__signbit) (__real__ x) ? 0.0 : huge_val; + + if (__imag__ x == 0.0) + { + __real__ retval = value; + __imag__ retval = __imag__ x; + } else { - float_type value = m81(__signbit) (__real__ x) ? 0.0 : huge_val; + float_type remainder, pi_2; + int quadrant; + __real__ retval = value; + __imag__ retval = value; - __asm ("fsincos%.x %2,%1:%0" : "=f" (sin_ix), "=f" (cos_ix) - : "f" (__imag__ x)); - __real__ retval = value * cos_ix; - __imag__ retval = value * sin_ix; + fix_sign: + __asm ("fmovecr %#0,%0\n\tfscale%.w %#-1,%0" : "=f" (pi_2)); + __asm ("fmod%.x %2,%0\n\tfmove%.l %/fpsr,%1" + : "=f" (remainder), "=dm" (quadrant) + : "f" (pi_2), "0" (__imag__ x)); + quadrant = (quadrant >> 16) & 0x83; + if (quadrant & 0x80) + quadrant ^= 0x83; + switch (quadrant) + { + default: + break; + case 1: + __real__ retval = -__real__ retval; + break; + case 2: + __real__ retval = -__real__ retval; + case 3: + __imag__ retval = -__imag__ retval; + break; + } } } else if (m81(__signbit) (__real__ x) == 0) @@ -80,7 +111,10 @@ s(__cexp) (__complex__ float_type x) __imag__ retval = 0.0/0.0; } else - retval = 0.0; + { + __real__ retval = 0.0; + __imag__ retval = s(__copysign) (0.0, __imag__ x); + } } else /* If the real part is NaN the result is NaN + iNaN. */ diff --git a/sysdeps/m68k/fpu/s_csinh.c b/sysdeps/m68k/fpu/s_csinh.c new file mode 100644 index 0000000000..c409ed0d8f --- /dev/null +++ b/sysdeps/m68k/fpu/s_csinh.c @@ -0,0 +1,128 @@ +/* Complex sine hyperbole function. m68k fpu version + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#define __LIBC_M81_MATH_INLINES +#include <complex.h> +#include <math.h> + +#ifndef SUFF +#define SUFF +#endif +#ifndef huge_val +#define huge_val HUGE_VAL +#endif +#ifndef float_type +#define float_type double +#endif + +#define CONCATX(a,b) __CONCAT(a,b) +#define s(name) CONCATX(name,SUFF) +#define m81(func) __m81_u(s(func)) + +__complex__ float_type +s(__csinh) (__complex__ float_type x) +{ + __complex__ float_type retval; + int negate = m81(__signbit) (__real__ x); + + __real__ x = s(fabs) (__real__ x); + + if (m81(__finite) (__real__ x)) + { + if (m81(__finite) (__imag__ x)) + { + float_type sinh_val; + float_type sin_ix, cos_ix; + + __asm ("fsincos%.x %2,%1:%0" : "=f" (sin_ix), "=f" (cos_ix) + : "f" (__imag__ x)); + sinh_val = m81(__ieee754_sinh) (__real__ x); + __real__ retval = cos_ix * sinh_val; + __imag__ retval = sin_ix * sinh_val; + + if (negate) + __real__ retval = -__real__ retval; + } + else if (__real__ x == 0) + { + __real__ retval = 0.0; + __imag__ retval = 0.0/0.0; + + if (negate) + __real__ retval = -__real__ retval; + } + else + __real__ retval = __imag__ retval = 0.0/0.0; + } + else if (m81(__isinf) (__real__ x)) + { + if (__imag__ x == 0.0) + { + __real__ retval = negate ? -huge_val : huge_val; + __imag__ retval = __imag__ x; + } + else if (m81(__finite) (__imag__ x)) + { + float_type remainder, pi_2; + int quadrant; + __real__ retval = __imag__ retval = huge_val; + + __asm ("fmovecr %#0,%0\n\tfscale%.w %#-1,%0" : "=f" (pi_2)); + __asm ("fmod%.x %2,%0\n\tfmove%.l %/fpsr,%1" + : "=f" (remainder), "=dm" (quadrant) + : "f" (pi_2), "0" (__imag__ x)); + quadrant = (quadrant >> 16) & 0x83; + if (quadrant & 0x80) + quadrant ^= 0x83; + if (negate) + quadrant ^= 1; + switch (quadrant) + { + default: + break; + case 1: + __real__ retval = -__real__ retval; + break; + case 2: + __real__ retval = -__real__ retval; + case 3: + __imag__ retval = -__imag__ retval; + break; + } + } + else + { + /* The subtraction raises the invalid exception. */ + __real__ retval = huge_val; + __imag__ retval = huge_val - huge_val; + } + } + else if (__imag__ x == 0.0) + { + __real__ retval = 0.0/0.0; + __imag__ retval = __imag__ x; + } + else + __real__ retval = __imag__ retval = 0.0/0.0; + + return retval; +} +#define weak_aliasx(a,b) weak_alias(a,b) +weak_aliasx (s(__csinh), s(csinh)) diff --git a/sysdeps/m68k/fpu/s_csinhf.c b/sysdeps/m68k/fpu/s_csinhf.c new file mode 100644 index 0000000000..42c114b961 --- /dev/null +++ b/sysdeps/m68k/fpu/s_csinhf.c @@ -0,0 +1,4 @@ +#define SUFF f +#define float_type float +#define huge_val HUGE_VALF +#include <s_csinh.c> diff --git a/sysdeps/m68k/fpu/s_csinhl.c b/sysdeps/m68k/fpu/s_csinhl.c new file mode 100644 index 0000000000..c8aa5c7d27 --- /dev/null +++ b/sysdeps/m68k/fpu/s_csinhl.c @@ -0,0 +1,4 @@ +#define SUFF l +#define float_type long double +#define huge_val HUGE_VALL +#include <s_csinh.c> diff --git a/sysdeps/m68k/fpu/s_rinttol.c b/sysdeps/m68k/fpu/s_rinttol.c new file mode 100644 index 0000000000..7476d785a6 --- /dev/null +++ b/sysdeps/m68k/fpu/s_rinttol.c @@ -0,0 +1,31 @@ +/* Round argument to nearest integral value according to current rounding + direction. + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#define __LIBC_M81_MATH_INLINES +#include <math.h> + +long int +__rinttol (long double x) +{ + return __m81_u(__rinttol) (x); +} + +weak_alias (__rinttol, rinttol) diff --git a/sysdeps/m68k/fpu/s_rinttoll.c b/sysdeps/m68k/fpu/s_rinttoll.c new file mode 100644 index 0000000000..bad8082bd1 --- /dev/null +++ b/sysdeps/m68k/fpu/s_rinttoll.c @@ -0,0 +1,62 @@ +/* Round argument to nearest integral value according to current rounding + direction. + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#define __LIBC_M81_MATH_INLINES +#include <math.h> +#include "math_private.h" + +long long int +__rinttoll (long double x) +{ + int32_t se, sx; + u_int32_t h, l; + long long int result; + + x = __m81_u(__rintl) (x); + + /* We could use __fixxfdi from libgcc, but here we can take advantage of + the known floating point format. */ + GET_LDOUBLE_WORDS (se, h, l, x); + + sx = se & (1 << 15); + se = (se ^ sx) - 0x3fff; + + if (se < 64) + { + if (se > 31) + result = (((long long int) (h >> (63 - se)) << 32) + | (l >> (63 - se)) | (h << (se - 31))); + else + result = h >> (31 - se); + if (sx) + result = -result; + } + else + /* Too large. The number is either +-inf or NaN or it is too + large to be effected by rounding. The standard leaves it + undefined what to return when the number is too large to fit in + a `long long int'. */ + result = -1LL; + + return result; +} + +weak_alias (__rinttoll, rinttoll) |