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rewrite atan, cos, fabs, sin, sqrt, tan, it will give us better speed as well the old version was slow

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svn path=/trunk/; revision=27200
This commit is contained in:
Magnus Olsen 2007-06-16 11:19:30 +00:00
parent b1afaa85ca
commit 7c9d0792cb
7 changed files with 32 additions and 270 deletions
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41
reactos/lib/sdk/libcntpr/math/i386/atan_asm.s
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@ -3,48 +3,15 @@
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
* PURPOSE: Run-Time Library * PURPOSE: Run-Time Library
* FILE: lib/rtl/i386/atan.S * FILE: lib/rtl/i386/atan.S
* PROGRAMER: Alex Ionescu (alex@relsoft.net) * PROGRAMER: Magnus Olsen (greatlord@greatlord.com)
*
* 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 _atan .globl _atan
.intel_syntax noprefix .intel_syntax noprefix
/* FUNCTIONS ***************************************************************/
_atan: _atan:
push ebp fld qword ptr [esp+4]
mov ebp,esp fld1
fld qword ptr [ebp+8] // Load real from stack fpatan
fld1 // Load constant 1
fpatan // Take the arctangent
pop ebp
ret ret

39
reactos/lib/sdk/libcntpr/math/i386/cos_asm.s
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@ -3,47 +3,14 @@
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
* PURPOSE: Run-Time Library * PURPOSE: Run-Time Library
* FILE: lib/rtl/i386/cos.S * FILE: lib/rtl/i386/cos.S
* PROGRAMER: Alex Ionescu (alex@relsoft.net) * PROGRAMER: Magnus Olsen (greatlord@greatlord.com)
*
* 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 .globl _cos
.intel_syntax noprefix .intel_syntax noprefix
/* FUNCTIONS ***************************************************************/
_cos: _cos:
push ebp fld qword ptr [esp+4]
mov ebp,esp // Point to the stack frame fcos
fld qword ptr [ebp+8] // Load real from stack
fcos // Take the cosine
pop ebp
ret ret

42
reactos/lib/sdk/libcntpr/math/i386/fabs_asm.s
View file

@ -3,47 +3,13 @@
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
* PURPOSE: Run-Time Library * PURPOSE: Run-Time Library
* FILE: lib/rtl/i386/fabs.S * FILE: lib/rtl/i386/fabs.S
* PROGRAMER: Alex Ionescu (alex@relsoft.net) * PROGRAMER: Magnus Olsen (greatlord@greatlord.com)
*
* 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 _fabs .globl _fabs
.intel_syntax noprefix .intel_syntax noprefix
/* FUNCTIONS ***************************************************************/
_fabs: _fabs:
push ebp
mov ebp,esp fld qword ptr [esp+4]
fld qword ptr [ebp+8] // Load real from stack fabs
fabs // Take the absolute value
pop ebp
ret ret

45
reactos/lib/sdk/libcntpr/math/i386/log_asm.s
View file

@ -3,49 +3,14 @@
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
* PURPOSE: Run-Time Library * PURPOSE: Run-Time Library
* FILE: lib/rtl/i386/log.S * FILE: lib/rtl/i386/log.S
* PROGRAMER: Alex Ionescu (alex@relsoft.net) * PROGRAMER: Magnus Olsen (greatlord@greatlord.com)
*
* 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 _log .globl _log
.intel_syntax noprefix .intel_syntax noprefix
/* FUNCTIONS ***************************************************************/
_log: _log:
push ebp fld qword ptr [esp+4]
mov ebp,esp fldln2
fld qword ptr [ebp+8] // Load real from stack fxch st(1)
fldln2 // Load log base e of 2 fyl2x
fxch st(1) // Exchange st, st(1)
fyl2x // Compute the natural log(x)
pop ebp
ret ret

41
reactos/lib/sdk/libcntpr/math/i386/sin_asm.s
View file

@ -3,47 +3,12 @@
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
* PURPOSE: Run-Time Library * PURPOSE: Run-Time Library
* FILE: lib/rtl/i386/sin.S * FILE: lib/rtl/i386/sin.S
* PROGRAMER: Alex Ionescu (alex@relsoft.net) * PROGRAMER: Magnus Olsen (greatlord@greatlord.com)
*
* 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 .globl _sin
.intel_syntax noprefix .intel_syntax noprefix
/* FUNCTIONS ***************************************************************/
_sin: _sin:
push ebp // Save register bp fld qword ptr [esp+4]
mov ebp,esp // Point to the stack frame fsin
fld qword ptr [ebp+8] // Load real from stack
fsin // Take the sine
pop ebp // Restore register bp
ret ret

40
reactos/lib/sdk/libcntpr/math/i386/sqrt_asm.s
View file

@ -3,47 +3,15 @@
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
* PURPOSE: Run-Time Library * PURPOSE: Run-Time Library
* FILE: lib/rtl/i386/sqrt.S * FILE: lib/rtl/i386/sqrt.S
* PROGRAMER: Alex Ionescu (alex@relsoft.net) * PROGRAMER: Magnus Olsen (greatlord@greatlord.com)
*
* 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 _sqrt .globl _sqrt
.intel_syntax noprefix .intel_syntax noprefix
/* FUNCTIONS ***************************************************************/
_sqrt: _sqrt:
push ebp fld qword ptr [esp+4]
mov ebp,esp fsqrt
fld qword ptr [ebp+8] // Load real from stack
fsqrt // Take the square root
pop ebp
ret ret

48
reactos/lib/sdk/libcntpr/math/i386/tan_asm.s
View file

@ -3,50 +3,14 @@
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
* PURPOSE: Run-Time Library * PURPOSE: Run-Time Library
* FILE: lib/rtl/i386/tan.S * FILE: lib/rtl/i386/tan.S
* PROGRAMER: Alex Ionescu (alex@relsoft.net) * PROGRAMER: Magnus Olsen (magnus@greatlord.com)
*
* 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 _tan .globl _tan
.intel_syntax noprefix .intel_syntax noprefix
/* FUNCTIONS ***************************************************************/
_tan: _tan:
push ebp sub esp,4
mov ebp,esp fld qword ptr [ebp+8]
sub esp,4 // Allocate temporary space fptan
fld qword ptr [ebp+8] // Load real from stack fstp dword ptr [ebp+4]
fptan // Take the tangent add esp,4;
fstp dword ptr [ebp-4] // Throw away the constant 1
mov esp,ebp // Deallocate temporary space
pop ebp
ret ret