Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	gx_utility_math_sin.c	Lines:	21	21	100.0 %
Date:	2026-03-06 19:21:09	Branches:	12	12	100.0 %


/***************************************************************************
 * Copyright (c) 2024 Microsoft Corporation
 * Copyright (c) 2026-present Eclipse ThreadX contributors
 *
 * This program and the accompanying materials are made available under the
 * terms of the MIT License which is available at
 * https://opensource.org/licenses/MIT.
 *
 * SPDX-License-Identifier: MIT
 **************************************************************************/


/**************************************************************************/
/**************************************************************************/
/**                                                                       */
/** GUIX Component                                                        */
/**                                                                       */
/**   Utility (Utility)                                                   */
/**                                                                       */
/**************************************************************************/

#define GX_SOURCE_CODE


/* Include necessary system files.  */

#include "gx_api.h"
#include "gx_utility.h"
/* define the the table of sin values for one quadrant,
   angle value is enlarged by 4, sine value is enlarged by 256.*/
static GX_CONST GX_UBYTE sin_value_table[360] = {
    0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
    0x10, 0x11, 0x12, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1e, 0x1f, 0x20,
    0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30,
    0x31, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3f, 0x40, 0x41,
    0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4e, 0x4f, 0x50, 0x51,
    0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x60,
    0x61, 0x62, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70,
    0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
    0x80, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d,
    0x8e, 0x8f, 0x90, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9a,
    0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa7,
    0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb1, 0xb2, 0xb3, 0xb4,
    0xb5, 0xb5, 0xb6, 0xb7, 0xb8, 0xb8, 0xb9, 0xba, 0xbb, 0xbb, 0xbc, 0xbd, 0xbe, 0xbe, 0xbf,
    0xc0, 0xc1, 0xc1, 0xc2, 0xc3, 0xc4, 0xc4, 0xc5, 0xc6, 0xc6, 0xc7, 0xc8, 0xc9, 0xc9, 0xca,
    0xcb, 0xcb, 0xcc, 0xcd, 0xcd, 0xce, 0xcf, 0xcf, 0xd0, 0xd1, 0xd1, 0xd2, 0xd2, 0xd3, 0xd4,
    0xd4, 0xd5, 0xd6, 0xd6, 0xd7, 0xd7, 0xd8, 0xd9, 0xd9, 0xda, 0xda, 0xdb, 0xdc, 0xdc, 0xdd,
    0xdd, 0xde, 0xde, 0xdf, 0xdf, 0xe0, 0xe0, 0xe1, 0xe2, 0xe2, 0xe3, 0xe3, 0xe4, 0xe4, 0xe5,
    0xe5, 0xe6, 0xe6, 0xe7, 0xe7, 0xe8, 0xe8, 0xe8, 0xe9, 0xe9, 0xea, 0xea, 0xeb, 0xeb, 0xec,
    0xec, 0xec, 0xed, 0xed, 0xee, 0xee, 0xee, 0xef, 0xef, 0xf0, 0xf0, 0xf0, 0xf1, 0xf1, 0xf2,
    0xf2, 0xf2, 0xf3, 0xf3, 0xf3, 0xf4, 0xf4, 0xf4, 0xf5, 0xf5, 0xf5, 0xf6, 0xf6, 0xf6, 0xf6,
    0xf7, 0xf7, 0xf7, 0xf8, 0xf8, 0xf8, 0xf8, 0xf9, 0xf9, 0xf9, 0xf9, 0xfa, 0xfa, 0xfa, 0xfa,
    0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xfc, 0xfc, 0xfc, 0xfc, 0xfc, 0xfd, 0xfd, 0xfd, 0xfd, 0xfd,
    0xfd, 0xfd, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff,
    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
};


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _gx_utility_math_sin_5_4_0                          PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This service computes the sine of the supplied angl, which is an    */
/*    old version of _gx_utility_math_sin.                                */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    angle                                 Angle to compute sine of,     */
/*                                          the input angle should be     */
/*                                          scaled by 256.                */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    sine                                  Sine of supplied angle        */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application Code                                                    */
/*                                                                        */
/**************************************************************************/
#if defined(GUIX_5_4_0_COMPATIBILITY)
INT _gx_utility_math_sin_5_4_0(INT angle)
{
INT y_sign;
INT sine;

    /* normalize the incoming angle */
    while (angle < 0)
    {
        angle += (256 * 360);
    }
    while (angle > (256 * 360))
    {
        angle -= (256 * 360);
    }

    if ((angle >= 0) && (angle <= 23040))
    {
        y_sign = 1;
    }
    else if ((angle > 23040) && (angle <= 46080))
    {
        angle = 46080 - angle;
        y_sign = 1;
    }
    else if ((angle > 46080) && (angle <= 69120))
    {
        angle -= 46080;
        y_sign = -1;
    }
    else
    {
        angle = 92160 - angle;
        y_sign = -1;
    }

    angle = (angle + 32) >> 6;

    if (angle == 360)
    {
        sine = 256 * y_sign;
    }
    else
    {
        sine = sin_value_table[angle] * y_sign;
    }
    return sine;
}
#endif

/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _gx_utility_math_sin                                PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This service computes the sine of the supplied angle.               */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    angle                                 Angle to compute sine of.     */
/*                                          The input angle is a fixed    */
/*                                          point data type, call         */
/*                                          GX_FIXED_VAL_MAKE to covnert  */
/*                                          from INT to fixed point data. */
/*                                          type.                         */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    sine                                  Sine of supplied angle.       */
/*                                          The return sin is a fixed     */
/*                                          point math data type, call    */
/*                                          GX_FIXED_VAL_TO_INT to convert*/
/*                                          from fixed point data type to */
/*                                          int.                          */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application Code                                                    */
/*                                                                        */
/**************************************************************************/
GX_FIXED_VAL _gx_utility_math_sin(GX_FIXED_VAL angle)
{
INT y_sign;
INT sine;

    /* normalize the incoming angle */
    while (angle < 0)
    {
        angle += GX_FIXED_VAL_MAKE(360);
    }
    while (angle > GX_FIXED_VAL_MAKE(360))
    {
        angle -= GX_FIXED_VAL_MAKE(360);
    }

    if (angle <= GX_FIXED_VAL_MAKE(90))
    {
        y_sign = 1;
    }
    else if (angle <= GX_FIXED_VAL_MAKE(180))
    {
        angle = GX_FIXED_VAL_MAKE(180) - angle;
        y_sign = 1;
    }
    else if (angle <= GX_FIXED_VAL_MAKE(270))
    {
        angle -= GX_FIXED_VAL_MAKE(180);
        y_sign = -1;
    }
    else
    {
        angle = GX_FIXED_VAL_MAKE(360) - angle;
        y_sign = -1;
    }

    angle = angle + (GX_FIXED_VAL_HALF >> 2);
    angle = GX_FIXED_VAL_TO_INT(angle << 2);

    if (angle == 360)
    {
        sine = GX_FIXED_VAL_MAKE(y_sign);
    }
    else
    {
        sine = GX_FIXED_VAL_MAKE(sin_value_table[angle] * y_sign) >> 8;
    }
    return sine;
}



Generated by: GCOVR (Version 4.1)

Line	Branch	Exec	Source
1			/***************************************************************************
2			* Copyright (c) 2024 Microsoft Corporation
3			* Copyright (c) 2026-present Eclipse ThreadX contributors
4			*
5			* This program and the accompanying materials are made available under the
6			* terms of the MIT License which is available at
7			* https://opensource.org/licenses/MIT.
8			*
9			* SPDX-License-Identifier: MIT
10			**************************************************************************/
11
12
13			/**************************************************************************/
14			/**************************************************************************/
15			/** */
16			/** GUIX Component */
17			/** */
18			/** Utility (Utility) */
19			/** */
20			/**************************************************************************/
21
22			#define GX_SOURCE_CODE
23
24
25			/* Include necessary system files. */
26
27			#include "gx_api.h"
28			#include "gx_utility.h"
29			/* define the the table of sin values for one quadrant,
30			angle value is enlarged by 4, sine value is enlarged by 256.*/
31			static GX_CONST GX_UBYTE sin_value_table[360] = {
32			0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
33			0x10, 0x11, 0x12, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1e, 0x1f, 0x20,
34			0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30,
35			0x31, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3f, 0x40, 0x41,
36			0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4e, 0x4f, 0x50, 0x51,
37			0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x60,
38			0x61, 0x62, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70,
39			0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
40			0x80, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d,
41			0x8e, 0x8f, 0x90, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9a,
42			0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa7,
43			0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb1, 0xb2, 0xb3, 0xb4,
44			0xb5, 0xb5, 0xb6, 0xb7, 0xb8, 0xb8, 0xb9, 0xba, 0xbb, 0xbb, 0xbc, 0xbd, 0xbe, 0xbe, 0xbf,
45			0xc0, 0xc1, 0xc1, 0xc2, 0xc3, 0xc4, 0xc4, 0xc5, 0xc6, 0xc6, 0xc7, 0xc8, 0xc9, 0xc9, 0xca,
46			0xcb, 0xcb, 0xcc, 0xcd, 0xcd, 0xce, 0xcf, 0xcf, 0xd0, 0xd1, 0xd1, 0xd2, 0xd2, 0xd3, 0xd4,
47			0xd4, 0xd5, 0xd6, 0xd6, 0xd7, 0xd7, 0xd8, 0xd9, 0xd9, 0xda, 0xda, 0xdb, 0xdc, 0xdc, 0xdd,
48			0xdd, 0xde, 0xde, 0xdf, 0xdf, 0xe0, 0xe0, 0xe1, 0xe2, 0xe2, 0xe3, 0xe3, 0xe4, 0xe4, 0xe5,
49			0xe5, 0xe6, 0xe6, 0xe7, 0xe7, 0xe8, 0xe8, 0xe8, 0xe9, 0xe9, 0xea, 0xea, 0xeb, 0xeb, 0xec,
50			0xec, 0xec, 0xed, 0xed, 0xee, 0xee, 0xee, 0xef, 0xef, 0xf0, 0xf0, 0xf0, 0xf1, 0xf1, 0xf2,
51			0xf2, 0xf2, 0xf3, 0xf3, 0xf3, 0xf4, 0xf4, 0xf4, 0xf5, 0xf5, 0xf5, 0xf6, 0xf6, 0xf6, 0xf6,
52			0xf7, 0xf7, 0xf7, 0xf8, 0xf8, 0xf8, 0xf8, 0xf9, 0xf9, 0xf9, 0xf9, 0xfa, 0xfa, 0xfa, 0xfa,
53			0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xfc, 0xfc, 0xfc, 0xfc, 0xfc, 0xfd, 0xfd, 0xfd, 0xfd, 0xfd,
54			0xfd, 0xfd, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff,
55			0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
56			};
57
58
59			/**************************************************************************/
60			/* */
61			/* FUNCTION RELEASE */
62			/* */
63			/* _gx_utility_math_sin_5_4_0 PORTABLE C */
64			/* 6.1 */
65			/* AUTHOR */
66			/* */
67			/* Kenneth Maxwell, Microsoft Corporation */
68			/* */
69			/* DESCRIPTION */
70			/* */
71			/* This service computes the sine of the supplied angl, which is an */
72			/* old version of _gx_utility_math_sin. */
73			/* */
74			/* INPUT */
75			/* */
76			/* angle Angle to compute sine of, */
77			/* the input angle should be */
78			/* scaled by 256. */
79			/* */
80			/* OUTPUT */
81			/* */
82			/* sine Sine of supplied angle */
83			/* */
84			/* CALLS */
85			/* */
86			/* None */
87			/* */
88			/* CALLED BY */
89			/* */
90			/* Application Code */
91			/* */
92			/**************************************************************************/
93			#if defined(GUIX_5_4_0_COMPATIBILITY)
94			INT _gx_utility_math_sin_5_4_0(INT angle)
95			{
96			INT y_sign;
97			INT sine;
98
99			/* normalize the incoming angle */
100			while (angle < 0)
101			{
102			angle += (256 * 360);
103			}
104			while (angle > (256 * 360))
105			{
106			angle -= (256 * 360);
107			}
108
109			if ((angle >= 0) && (angle <= 23040))
110			{
111			y_sign = 1;
112			}
113			else if ((angle > 23040) && (angle <= 46080))
114			{
115			angle = 46080 - angle;
116			y_sign = 1;
117			}
118			else if ((angle > 46080) && (angle <= 69120))
119			{
120			angle -= 46080;
121			y_sign = -1;
122			}
123			else
124			{
125			angle = 92160 - angle;
126			y_sign = -1;
127			}
128
129			angle = (angle + 32) >> 6;
130
131			if (angle == 360)
132			{
133			sine = 256 * y_sign;
134			}
135			else
136			{
137			sine = sin_value_table[angle] * y_sign;
138			}
139			return sine;
140			}
141			#endif
142
143			/**************************************************************************/
144			/* */
145			/* FUNCTION RELEASE */
146			/* */
147			/* _gx_utility_math_sin PORTABLE C */
148			/* 6.1 */
149			/* AUTHOR */
150			/* */
151			/* Kenneth Maxwell, Microsoft Corporation */
152			/* */
153			/* DESCRIPTION */
154			/* */
155			/* This service computes the sine of the supplied angle. */
156			/* */
157			/* INPUT */
158			/* */
159			/* angle Angle to compute sine of. */
160			/* The input angle is a fixed */
161			/* point data type, call */
162			/* GX_FIXED_VAL_MAKE to covnert */
163			/* from INT to fixed point data. */
164			/* type. */
165			/* */
166			/* OUTPUT */
167			/* */
168			/* sine Sine of supplied angle. */
169			/* The return sin is a fixed */
170			/* point math data type, call */
171			/* GX_FIXED_VAL_TO_INT to convert*/
172			/* from fixed point data type to */
173			/* int. */
174			/* */
175			/* CALLS */
176			/* */
177			/* None */
178			/* */
179			/* CALLED BY */
180			/* */
181			/* Application Code */
182			/* */
183			/**************************************************************************/
184		263303	GX_FIXED_VAL _gx_utility_math_sin(GX_FIXED_VAL angle)
185			{
186			INT y_sign;
187			INT sine;
188
189			/* normalize the incoming angle */
190	✓✓	263596	while (angle < 0)
191			{
192		293	angle += GX_FIXED_VAL_MAKE(360);
193			}
194	✓✓	290319	while (angle > GX_FIXED_VAL_MAKE(360))
195			{
196		27016	angle -= GX_FIXED_VAL_MAKE(360);
197			}
198
199	✓✓	263303	if (angle <= GX_FIXED_VAL_MAKE(90))
200			{
201		83791	y_sign = 1;
202			}
203	✓✓	179512	else if (angle <= GX_FIXED_VAL_MAKE(180))
204			{
205		76595	angle = GX_FIXED_VAL_MAKE(180) - angle;
206		76595	y_sign = 1;
207			}
208	✓✓	102917	else if (angle <= GX_FIXED_VAL_MAKE(270))
209			{
210		50639	angle -= GX_FIXED_VAL_MAKE(180);
211		50639	y_sign = -1;
212			}
213			else
214			{
215		52278	angle = GX_FIXED_VAL_MAKE(360) - angle;
216		52278	y_sign = -1;
217			}
218
219		263303	angle = angle + (GX_FIXED_VAL_HALF >> 2);
220		263303	angle = GX_FIXED_VAL_TO_INT(angle << 2);
221
222	✓✓	263303	if (angle == 360)
223			{
224		2430	sine = GX_FIXED_VAL_MAKE(y_sign);
225			}
226			else
227			{
228		260873	sine = GX_FIXED_VAL_MAKE(sin_value_table[angle] * y_sign) >> 8;
229			}
230		263303	return sine;
231			}
232