42  * __fixp_sin32() returns the sin of an angle in degrees
44  * @degrees: angle, in degrees, from 0 to 360.
48 static inline s32 __fixp_sin32(int degrees)  in __fixp_sin32()  argument
53 	if (degrees > 180) {  in __fixp_sin32()
55 		degrees -= 180;  in __fixp_sin32()
57 	if (degrees > 90)  in __fixp_sin32()
58 		degrees = 180 - degrees;  in __fixp_sin32()
60 	ret = sin_table[degrees];  in __fixp_sin32()
66  * fixp_sin32() returns the sin of an angle in degrees
68  * @degrees: angle, in degrees. The angle can be positive or negative
72 static inline s32 fixp_sin32(int degrees)  in fixp_sin32()  argument
74 	degrees = (degrees % 360 + 360) % 360;  in fixp_sin32()
76 	return __fixp_sin32(degrees);  in fixp_sin32()
79 /* cos(x) = sin(x + 90 degrees) */
114 	int degrees;  in fixp_sin32_rad()  local
123 	degrees = (radians * 360) / twopi;  in fixp_sin32_rad()
124 	tmp = radians - (degrees * twopi) / 360;  in fixp_sin32_rad()
126 	degrees = (degrees % 360 + 360) % 360;  in fixp_sin32_rad()
127 	v1 = __fixp_sin32(degrees);  in fixp_sin32_rad()
129 	v2 = fixp_sin32(degrees + 1);  in fixp_sin32_rad()