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/*
File: vfp.h
Contains: MathLib style functions for vectors
Version: QuickTime 7.3
Copyright: (c) 2007 (c) 1999-2001 by Apple Computer, Inc., all rights reserved.
Bugs?: For bug reports, consult the following page on
the World Wide Web:
http://developer.apple.com/bugreporter/
*/
#ifndef __VFP__
#define __VFP__
#ifndef __CONDITIONALMACROS__
#include <ConditionalMacros.h>
#endif
#if PRAGMA_ONCE
#pragma once
#endif
#ifdef __cplusplus
extern "C" {
#endif
#if PRAGMA_IMPORT
#pragma import on
#endif
/*
-------------------------------------------------------------------------------
A collection of numerical functions designed to facilitate a wide
range of numerical programming for the Altivec Programming model.
-------------------------------------------------------------------------------
*/
#ifdef __VEC__
/*
------------------------[ Computational Functions]-----------------------------
vdivf C = A . B
vsqrtf B = .A
vrsqrtf B = 1/.A
-------------------------------------------------------------------------------
*/
/*
* vdivf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vdivf(vector float A, vector float B);
/*
* vsqrtf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vsqrtf(vector float X);
/*
* vrsqrtf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vrsqrtf(vector float X);
/*
--------------------------[ Exponential Functions]-----------------------------
vexpf B = Exp(A)
vexpm1f ExpM1(x) = Exp(x) - 1. But, for small enough arguments,
ExpM1(x) is expected to be more accurate than Exp(x) - 1.
vlogf B = Log(A)
vlog1pf Log1P = Log(1 + x). But, for small enough arguments,
Log1P is expected to be more accurate than Log(1 + x).
vlogbf Extracts the exponent of its argument, as a signed integral
value. A subnormal argument is treated as though it were first
normalized. Thus:
1 <= x * 2^(-logb(x)) < 2
vscalbf Computes x * 2^n efficently. This is not normally done by
computing 2^n explicitly.
-------------------------------------------------------------------------------
*/
/*
* vexpf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vexpf(vector float X);
/*
* vexpm1f()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vexpm1f(vector float X);
/*
* vlogf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vlogf(vector float X);
/*
* vlog1pf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vlog1pf(vector float X);
/*
* vlogbf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vlogbf(vector float X);
/*
* vscalbf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vscalbf(vector float X, vector signed int n);
/*
---------------------------[ Auxiliary Functions]------------------------------
vfabf Absolute value is part of the programming model, however
completeness it is included in the library.
vcopysignf Produces a value with the magnitude of its first argument
and sign of its second argument. NOTE: the order of the
arguments matches the recommendation of the IEEE 754
floating point standard, which is opposite from the SANE
copysign function.
vnextafterf Computes the next representable value after 'x' in the
direction of 'y'. if x == y, then y is returned.
-------------------------------------------------------------------------------
*/
/*
* vfabf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vfabf(vector float v);
/*
* vcopysignf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vcopysignf(vector float arg2, vector float arg1);
/*
* vnextafterf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vnextafterf(vector float x, vector float y);
/*
-----------------------------[ Inquiry Functions]------------------------------
vclassifyf Returns one of the FP_* values.
vsignbitf Non-zero if and only if the sign of the argument x is
negative. This includes, NaNs, infinities and zeros.
-------------------------------------------------------------------------------
*/
/*
* vclassifyf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector unsigned int ) vclassifyf(vector float arg);
/*
* vsignbitf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector unsigned int ) vsignbitf(vector float arg);
/*
-------------------------[ Transcendental Functions]----------------------------
vsinf B = Sin(A).
vcosf B = Cos(A).
vtanf B = Tan(A).
-------------------------------------------------------------------------------
*/
/*
* vsinf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vsinf(vector float arg);
/*
* vcosf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vcosf(vector float arg);
/*
* vtanf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vtanf(vector float arg);
/*
-------------------------[ Trigonometric Functions]----------------------------
vasinf result is in [-pi/2,pi/2].
vacosf result is in [0,pi].
vatanf result is in [-pi/2,pi/2].
vatan2f Computes the arc tangent of y/x in [-pi,pi] using the sign of
both arguments to determine the quadrant of the computed value.
-------------------------------------------------------------------------------
*/
/*
* vasinf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vasinf(vector float arg);
/*
* vacosf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vacosf(vector float arg);
/*
* vatanf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vatanf(vector float arg);
/*
* vatan2f()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vatan2f(vector float arg1, vector float arg2);
/*
--------------------------[ Hyperbolic Functions]------------------------------
vsinhf Sine Hyperbolic.
vcoshf Cosine Hyperbolic.
vtanhf Tangent Hyperbolic.
vasinhf Arcsine Hyperbolic.
vacoshf Arccosine Hyperbolic.
vatanhf Atctangent Hyperbolic.
-------------------------------------------------------------------------------
*/
/*
* vsinhf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vsinhf(vector float X);
/*
* vcoshf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vcoshf(vector float X);
/*
* vtanhf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vtanhf(vector float X);
/*
* vasinhf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vasinhf(vector float X);
/*
* vacoshf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vacoshf(vector float X);
/*
* vatanhf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vatanhf(vector float X);
/*
---------------------------[ Remainder Functions]------------------------------
vfmodf B = X mod Y.
vremainderf IEEE 754 floating point standard for remainder.
vremquof SANE remainder. It stores into 'quotient' the 7 low-order
bits of the integer quotient x/y, such that:
-127 <= quotient <= 127.
-------------------------------------------------------------------------------
*/
/*
* vfmodf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vfmodf(vector float X, vector float Y);
/*
* vremainderf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vremainderf(vector float X, vector float Y);
/*
* vremquof()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vremquof(vector float X, vector float Y, vector unsigned int *QUO);
/*
------------------------------[ Power Functions]------------------------------
vipowf Returns x raised to the integer power of y.
vpowf Returns x raised to the power of y. Result is more
accurate than using exp(log(x)*y).
-------------------------------------------------------------------------------
*/
/*
* vipowf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vipowf(vector float X, vector signed int Y);
/*
* vpowf()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector float ) vpowf(vector float X, vector float Y);
/*
-------------------------------------------------------------------------------
Useful
-------------------------------------------------------------------------------
*/
/*
* vtablelookup()
*
* Availability:
* Non-Carbon CFM: in vecLib 1.0 and later
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( vector unsigned int ) vtablelookup(vector signed int Index_Vect, unsigned long *Table);
#endif /* defined(__VEC__) */
#ifdef PRAGMA_IMPORT_OFF
#pragma import off
#elif PRAGMA_IMPORT
#pragma import reset
#endif
#ifdef __cplusplus
}
#endif
#endif /* __VFP__ */
|