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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the MIT License which is available at |
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* https://opensource.org/licenses/MIT. |
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* |
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* SPDX-License-Identifier: MIT |
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**************************************************************************/ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/** */ |
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/** GUIX Component */ |
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/** */ |
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/** Utility (Utility) */ |
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/** */ |
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/**************************************************************************/ |
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#define GX_SOURCE_CODE |
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/* Include necessary system files. */ |
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#include "gx_api.h" |
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#include "gx_utility.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_utility_math_cos_5_4_0 PORTABLE C */ |
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/* 6.1 */ |
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/* AUTHOR */ |
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/* */ |
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/* Kenneth Maxwell, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This service computes the cosine of the supplied angle, which is an */ |
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/* old version of _gx_utility_math_cos. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* angle Angle to compute cosine of, */ |
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/* the input angle should be */ |
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/* scaled by 256. */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* cosine Cosine of supplied angle */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _gx_utility_math_sin_5_4_0 */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Application Code */ |
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/* */ |
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/* RELEASE HISTORY */ |
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/* */ |
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/* DATE NAME DESCRIPTION */ |
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/* */ |
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/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
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/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
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/* resulting in version 6.1 */ |
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/* */ |
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/**************************************************************************/ |
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#if defined(GUIX_5_4_0_COMPATIBILITY) |
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INT _gx_utility_math_cos_5_4_0(INT angle) |
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{ |
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return _gx_utility_math_sin_5_4_0(angle + 23040); |
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} |
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#endif |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_utility_math_cos PORTABLE C */ |
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/* 6.1 */ |
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/* AUTHOR */ |
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/* */ |
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/* Kenneth Maxwell, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This service computes the cosine of the supplied angle. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* angle Angle to compute cosine of. */ |
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/* The input angle is a fixed */ |
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/* point data type, call */ |
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/* GX_FIXED_VAL_MAKE to covnert */ |
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/* from INT to fixed point data. */ |
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/* type. */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* cosine Cosine of supplied angle. */ |
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/* The return consin is a fixed */ |
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/* point math data type, call */ |
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/* GX_FIXED_VAL_TO_INT to convert*/ |
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/* from fixed point data type to */ |
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/* int. */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _gx_utility_math_sin */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Application Code */ |
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/* */ |
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/* RELEASE HISTORY */ |
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/* */ |
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/* DATE NAME DESCRIPTION */ |
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/* */ |
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/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
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/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
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/* resulting in version 6.1 */ |
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/* */ |
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/**************************************************************************/ |
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129691 |
GX_FIXED_VAL _gx_utility_math_cos(GX_FIXED_VAL angle) |
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{ |
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129691 |
return _gx_utility_math_sin(angle + GX_FIXED_VAL_MAKE(90)); |
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} |
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