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/hal_nxp-3.6.0/mcux/mcux-sdk/CMSIS/DSP/Source/TransformFunctions/
Darm_cfft_radix4_q31.c155 q31_t ya, yb, yc, yd; in arm_radix4_butterfly_q31() local
407 ya = *ptr1++; in arm_radix4_butterfly_q31()
425 ya_out = ya + yb + yc + yd; in arm_radix4_butterfly_q31()
435 yc_out = (ya - yb + yc - yd); in arm_radix4_butterfly_q31()
442 yb_out = (ya - xb - yc + xd); in arm_radix4_butterfly_q31()
449 yd_out = (ya + xb - yc - xd); in arm_radix4_butterfly_q31()
526 q31_t ya, yb, yc, yd; in arm_radix4_butterfly_inverse_q31() local
771 ya = *ptr1++; in arm_radix4_butterfly_inverse_q31()
789 ya_out = ya + yb + yc + yd; in arm_radix4_butterfly_inverse_q31()
799 yc_out = (ya - yb + yc - yd); in arm_radix4_butterfly_inverse_q31()
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