mirror of
https://github.com/ApfelTeeSaft/reactos.git
synced 2026-08-30 12:23:28 +00:00
- Remove inline assembly and use assembly files isntead. These come from lib\rtl\i386... it woudl be nice to share them but atm this causes some problems. I think the math code in lib\rtl should be split into lib\math eventually...
svn path=/trunk/; revision=20739
This commit is contained in:
@@ -0,0 +1,52 @@
|
||||
/*
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||||
* COPYRIGHT: See COPYING in the top level directory
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||||
* PROJECT: ReactOS kernel
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||||
* PURPOSE: Run-Time Library
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* FILE: lib/rtl/i386/atan.S
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* PROGRAMER: Alex Ionescu (alex@relsoft.net)
|
||||
* Eric Kohl (ekohl@rz-online.de)
|
||||
*
|
||||
* Copyright (C) 2002 Michael Ringgaard.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of the project nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES// LOSS OF USE, DATA, OR PROFITS// OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
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||||
.globl _atan2
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||||
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||||
.intel_syntax noprefix
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||||
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||||
/* FUNCTIONS ***************************************************************/
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_atan2:
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push ebp
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mov ebp,esp
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fld qword ptr [ebp+8] // Load real from stack
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fld qword ptr [ebp+16] // Load real from stack
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fpatan // Take the arctangent
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mov esp,ebp
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pop ebp
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ret
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@@ -0,0 +1,58 @@
|
||||
/*
|
||||
* COPYRIGHT: See COPYING in the top level directory
|
||||
* PROJECT: ReactOS kernel
|
||||
* PURPOSE: Run-Time Library
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||||
* FILE: lib/rtl/i386/ceil.S
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||||
* PROGRAMER: Alex Ionescu (alex@relsoft.net)
|
||||
* Eric Kohl (ekohl@rz-online.de)
|
||||
*
|
||||
* Copyright (C) 2002 Michael Ringgaard.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of the project nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES// LOSS OF USE, DATA, OR PROFITS// OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
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||||
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||||
.globl _ceil
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||||
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||||
.intel_syntax noprefix
|
||||
|
||||
/* FUNCTIONS ***************************************************************/
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||||
|
||||
_ceil:
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||||
push ebp
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mov ebp,esp
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sub esp,4 // Allocate temporary space
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fld qword ptr [ebp+8] // Load real from stack
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fstcw [ebp-2] // Save control word
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fclex // Clear exceptions
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mov word ptr [ebp-4],0xb63 // Rounding control word
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fldcw [ebp-4] // Set new rounding control
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frndint // Round to integer
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fclex // Clear exceptions
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fldcw [ebp-2] // Restore control word
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mov esp,ebp // Deallocate temporary space
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pop ebp
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ret
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||||
@@ -0,0 +1,50 @@
|
||||
/*
|
||||
* COPYRIGHT: See COPYING in the top level directory
|
||||
* PROJECT: ReactOS kernel
|
||||
* PURPOSE: Run-Time Library
|
||||
* FILE: lib/rtl/i386/cos.S
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||||
* PROGRAMER: Alex Ionescu (alex@relsoft.net)
|
||||
* Eric Kohl (ekohl@rz-online.de)
|
||||
*
|
||||
* Copyright (C) 2002 Michael Ringgaard.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of the project nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES// LOSS OF USE, DATA, OR PROFITS// OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
.globl _cos
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||||
|
||||
.intel_syntax noprefix
|
||||
|
||||
/* FUNCTIONS ***************************************************************/
|
||||
|
||||
_cos:
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||||
push ebp
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||||
mov ebp,esp // Point to the stack frame
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||||
fld qword ptr [ebp+8] // Load real from stack
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||||
fcos // Take the cosine
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||||
pop ebp
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||||
ret
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||||
@@ -0,0 +1,58 @@
|
||||
/*
|
||||
* COPYRIGHT: See COPYING in the top level directory
|
||||
* PROJECT: ReactOS kernel
|
||||
* PURPOSE: Run-Time Library
|
||||
* FILE: lib/rtl/i386/floor.S
|
||||
* PROGRAMER: Alex Ionescu (alex@relsoft.net)
|
||||
* Eric Kohl (ekohl@rz-online.de)
|
||||
*
|
||||
* Copyright (C) 2002 Michael Ringgaard.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of the project nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES// LOSS OF USE, DATA, OR PROFITS// OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
.globl _floor
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||||
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||||
.intel_syntax noprefix
|
||||
|
||||
/* FUNCTIONS ***************************************************************/
|
||||
|
||||
_floor:
|
||||
push ebp
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||||
mov ebp,esp
|
||||
sub esp,4 // Allocate temporary space
|
||||
fld qword ptr [ebp+8] // Load real from stack
|
||||
fstcw [ebp-2] // Save control word
|
||||
fclex // Clear exceptions
|
||||
mov word ptr [ebp-4],0x763 // Rounding control word
|
||||
fldcw [ebp-4] // Set new rounding control
|
||||
frndint // Round to integer
|
||||
fclex // Clear exceptions
|
||||
fldcw [ebp-2] // Restore control word
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||||
mov esp,ebp
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||||
pop ebp
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||||
ret
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||||
@@ -0,0 +1,50 @@
|
||||
/*
|
||||
* COPYRIGHT: See COPYING in the top level directory
|
||||
* PROJECT: ReactOS kernel
|
||||
* PURPOSE: Run-Time Library
|
||||
* FILE: lib/rtl/i386/sin.S
|
||||
* PROGRAMER: Alex Ionescu (alex@relsoft.net)
|
||||
* Eric Kohl (ekohl@rz-online.de)
|
||||
*
|
||||
* Copyright (C) 2002 Michael Ringgaard.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of the project nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES// LOSS OF USE, DATA, OR PROFITS// OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
.globl _sin
|
||||
|
||||
.intel_syntax noprefix
|
||||
|
||||
/* FUNCTIONS ***************************************************************/
|
||||
|
||||
_sin:
|
||||
push ebp // Save register bp
|
||||
mov ebp,esp // Point to the stack frame
|
||||
fld qword ptr [ebp+8] // Load real from stack
|
||||
fsin // Take the sine
|
||||
pop ebp // Restore register bp
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||||
ret
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||||
@@ -20,222 +20,6 @@
|
||||
|
||||
#include <w32k.h>
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||||
|
||||
double atan (double __x);
|
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double atan2 (double __y, double __x);
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double ceil (double __x);
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||||
double cos (double __x);
|
||||
double fabs (double __x);
|
||||
double floor (double __x);
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||||
long _ftol (double fl);
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||||
double log (double __x);
|
||||
double __log2 (double __x);
|
||||
double pow (double __x, double __y);
|
||||
double sin (double __x);
|
||||
double sqrt (double __x);
|
||||
double tan (double __x);
|
||||
div_t div(int num, int denom);
|
||||
int mod(int num, int denom);
|
||||
|
||||
double atan (double __x)
|
||||
{
|
||||
register double __value;
|
||||
__asm __volatile__
|
||||
("fld1\n\t"
|
||||
"fpatan"
|
||||
: "=t" (__value) : "0" (__x));
|
||||
|
||||
return __value;
|
||||
}
|
||||
|
||||
double atan2 (double __y, double __x)
|
||||
{
|
||||
register double __value;
|
||||
__asm __volatile__
|
||||
("fpatan\n\t"
|
||||
"fld %%st(0)"
|
||||
: "=t" (__value) : "0" (__x), "u" (__y));
|
||||
|
||||
return __value;
|
||||
}
|
||||
|
||||
double ceil (double __x)
|
||||
{
|
||||
register double __value;
|
||||
__volatile unsigned short int __cw, __cwtmp;
|
||||
|
||||
__asm __volatile ("fnstcw %0" : "=m" (__cw));
|
||||
__cwtmp = (__cw & 0xf3ff) | 0x0800; /* rounding up */
|
||||
__asm __volatile ("fldcw %0" : : "m" (__cwtmp));
|
||||
__asm __volatile ("frndint" : "=t" (__value) : "0" (__x));
|
||||
__asm __volatile ("fldcw %0" : : "m" (__cw));
|
||||
|
||||
return __value;
|
||||
}
|
||||
|
||||
double cos (double __x)
|
||||
{
|
||||
register double __value;
|
||||
__asm __volatile__
|
||||
("fcos"
|
||||
: "=t" (__value): "0" (__x));
|
||||
|
||||
return __value;
|
||||
}
|
||||
|
||||
double fabs (double __x)
|
||||
{
|
||||
register double __value;
|
||||
__asm __volatile__
|
||||
("fabs"
|
||||
: "=t" (__value) : "0" (__x));
|
||||
|
||||
return __value;
|
||||
}
|
||||
|
||||
double floor (double __x)
|
||||
{
|
||||
register double __value;
|
||||
__volatile unsigned short int __cw, __cwtmp;
|
||||
|
||||
__asm __volatile ("fnstcw %0" : "=m" (__cw));
|
||||
__cwtmp = (__cw & 0xf3ff) | 0x0400; /* rounding down */
|
||||
__asm __volatile ("fldcw %0" : : "m" (__cwtmp));
|
||||
__asm __volatile ("frndint" : "=t" (__value) : "0" (__x));
|
||||
__asm __volatile ("fldcw %0" : : "m" (__cw));
|
||||
|
||||
return __value;
|
||||
}
|
||||
|
||||
long _ftol (double fl)
|
||||
{
|
||||
return (long)fl;
|
||||
}
|
||||
|
||||
double log (double __x)
|
||||
{
|
||||
register double __value;
|
||||
__asm __volatile__
|
||||
("fldln2\n\t"
|
||||
"fxch\n\t"
|
||||
"fyl2x"
|
||||
: "=t" (__value) : "0" (__x));
|
||||
|
||||
return __value;
|
||||
}
|
||||
|
||||
double __log2 (double __x)
|
||||
{
|
||||
register double __value;
|
||||
__asm __volatile__
|
||||
("fld1\n\t"
|
||||
"fxch\n\t"
|
||||
"fyl2x"
|
||||
: "=t" (__value) : "0" (__x));
|
||||
|
||||
return __value;
|
||||
}
|
||||
|
||||
double pow (double __x, double __y)
|
||||
{
|
||||
register double __value, __exponent;
|
||||
long __p = (long) __y;
|
||||
|
||||
if (__x == 0.0 && __y > 0.0)
|
||||
return 0.0;
|
||||
if (__y == (double) __p)
|
||||
{
|
||||
double __r = 1.0;
|
||||
if (__p == 0)
|
||||
return 1.0;
|
||||
if (__p < 0)
|
||||
{
|
||||
__p = -__p;
|
||||
__x = 1.0 / __x;
|
||||
}
|
||||
while (1)
|
||||
{
|
||||
if (__p & 1)
|
||||
__r *= __x;
|
||||
__p >>= 1;
|
||||
if (__p == 0)
|
||||
return __r;
|
||||
__x *= __x;
|
||||
}
|
||||
/* NOTREACHED */
|
||||
}
|
||||
__asm __volatile__
|
||||
("fmul %%st(1) # y * log2(x)\n\t"
|
||||
"fst %%st(1)\n\t"
|
||||
"frndint # int(y * log2(x))\n\t"
|
||||
"fxch\n\t"
|
||||
"fsub %%st(1) # fract(y * log2(x))\n\t"
|
||||
"f2xm1 # 2^(fract(y * log2(x))) - 1\n\t"
|
||||
: "=t" (__value), "=u" (__exponent) : "0" (__log2 (__x)), "1" (__y));
|
||||
__value += 1.0;
|
||||
__asm __volatile__
|
||||
("fscale"
|
||||
: "=t" (__value) : "0" (__value), "u" (__exponent));
|
||||
|
||||
return __value;
|
||||
}
|
||||
|
||||
double sin (double __x)
|
||||
{
|
||||
register double __value;
|
||||
__asm __volatile__
|
||||
("fsin"
|
||||
: "=t" (__value) : "0" (__x));
|
||||
|
||||
return __value;
|
||||
}
|
||||
|
||||
double sqrt (double __x)
|
||||
{
|
||||
register double __value;
|
||||
__asm __volatile__
|
||||
("fsqrt"
|
||||
: "=t" (__value) : "0" (__x));
|
||||
|
||||
return __value;
|
||||
}
|
||||
|
||||
double tan (double __x)
|
||||
{
|
||||
register double __value;
|
||||
register double __value2 __attribute__ ((unused));
|
||||
__asm __volatile__
|
||||
("fptan"
|
||||
: "=t" (__value2), "=u" (__value) : "0" (__x));
|
||||
|
||||
return __value;
|
||||
}
|
||||
|
||||
div_t div(int num, int denom)
|
||||
{
|
||||
div_t r;
|
||||
if (num > 0 && denom < 0) {
|
||||
num = -num;
|
||||
denom = -denom;
|
||||
}
|
||||
r.quot = num / denom;
|
||||
r.rem = num % denom;
|
||||
if (num < 0 && denom > 0)
|
||||
{
|
||||
if (r.rem > 0)
|
||||
{
|
||||
r.quot++;
|
||||
r.rem -= denom;
|
||||
}
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
int mod(int num, int denom)
|
||||
{
|
||||
div_t dvt = div(num, denom);
|
||||
return dvt.rem;
|
||||
}
|
||||
|
||||
/*
|
||||
* FIXME! Is there a better algorithm. like FT_MulDiv
|
||||
*
|
||||
|
||||
Reference in New Issue
Block a user