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/AliOS-Things-master/hardware/chip/rtl872xd/sdk/component/soc/realtek/amebad/cmsis-dsp/Source/TransformFunctions/
A Darm_cfft_radix4_q31.c159 q31_t ya, yb, yc, yd; in arm_radix4_butterfly_q31() local
397 q31_t ya, yb, yc, yd; in arm_radix4_butterfly_q31()
680 yd = (q31_t) (xdyd >> 32); in arm_radix4_butterfly_q31()
701 yd = (q31_t) xdyd; in arm_radix4_butterfly_q31()
711 ya_out = ya + yb + yc + yd; in arm_radix4_butterfly_q31()
721 yc_out = (ya - yb + yc - yd); in arm_radix4_butterfly_q31()
814 q31_t ya, yb, yc, yd; in arm_radix4_butterfly_inverse_q31() local
1045 q31_t ya, yb, yc, yd; in arm_radix4_butterfly_inverse_q31()
1320 yd = (q31_t) (xdyd >> 32); in arm_radix4_butterfly_inverse_q31()
1341 yd = (q31_t) xdyd; in arm_radix4_butterfly_inverse_q31()
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/AliOS-Things-master/components/SDL2/src/render/software/
A DSDL_rotate.c234 int x, y, t1, t2, dx, dy, xd, yd, sdx, sdy, ax, ay, ex, ey, sw, sh; in _transformSurfaceRGBA() local
243 yd = ((src->h - dst->h) << 15); in _transformSurfaceRGBA()
258 sdy = (ay - (icos * dy)) + yd; in _transformSurfaceRGBA()
309 sdy = (ay - (icos * dy)) + yd; in _transformSurfaceRGBA()
348 int x, y, dx, dy, xd, yd, sdx, sdy, ax, ay; in transformSurfaceY() local
356 yd = ((src->h - dst->h) << 15); in transformSurfaceY()
371 sdy = (ay - (icos * dy)) + yd; in transformSurfaceY()
/AliOS-Things-master/components/SDL2/src/gfx/
A DSDL_rotozoom.c640 int x, y, t1, t2, dx, dy, xd, yd, sdx, sdy, ax, ay, ex, ey, sw, sh; in _transformSurfaceRGBA() local
649 yd = ((src->h - dst->h) << 15); in _transformSurfaceRGBA()
664 sdy = (ay - (icos * dy)) + yd; in _transformSurfaceRGBA()
717 sdy = (ay - (icos * dy)) + yd; in _transformSurfaceRGBA()
757 int x, y, dx, dy, xd, yd, sdx, sdy, ax, ay, sw, sh; in transformSurfaceY() local
765 yd = ((src->h - dst->h) << 15); in transformSurfaceY()
782 sdy = (ay - (icos * dy)) + yd; in transformSurfaceY()
/AliOS-Things-master/hardware/chip/rtl872xd/
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