480         float32_t t1, t2, r1, r2, s1, s2;  in arm_radix4_butterfly_f32()  local
525             s1 = pSrc[(2U * i0) + 1U] + pSrc[(2U * i2) + 1U];  in arm_radix4_butterfly_f32()
543             pSrc[(2U * i0) + 1U] = s1 + t2;  in arm_radix4_butterfly_f32()
546             s1 = s1 - t2;  in arm_radix4_butterfly_f32()
555             pSrc[2U * i1] = (r1 * co2) + (s1 * si2);  in arm_radix4_butterfly_f32()
558             pSrc[(2U * i1) + 1U] = (s1 * co2) - (r1 * si2);  in arm_radix4_butterfly_f32()
567             s1 = s2 - t2;  in arm_radix4_butterfly_f32()
573             pSrc[2U * i2] = (r1 * co1) + (s1 * si1);  in arm_radix4_butterfly_f32()
576             pSrc[(2U * i2) + 1U] = (s1 * co1) - (r1 * si1);  in arm_radix4_butterfly_f32()
1002         float32_t t1, t2, r1, r2, s1, s2;  in arm_radix4_butterfly_inverse_f32()  local
1049             s1 = pSrc[(2U * i0) + 1U] + pSrc[(2U * i2) + 1U];  in arm_radix4_butterfly_inverse_f32()
1067             pSrc[(2U * i0) + 1U] = s1 + t2;  in arm_radix4_butterfly_inverse_f32()
1070             s1 = s1 - t2;  in arm_radix4_butterfly_inverse_f32()
1079             pSrc[2U * i1] = (r1 * co2) - (s1 * si2);  in arm_radix4_butterfly_inverse_f32()
1082             pSrc[(2U * i1) + 1U] = (s1 * co2) + (r1 * si2);  in arm_radix4_butterfly_inverse_f32()
1091             s1 = s2 + t2;  in arm_radix4_butterfly_inverse_f32()
1097             pSrc[2U * i2] = (r1 * co1) - (s1 * si1);  in arm_radix4_butterfly_inverse_f32()
1100             pSrc[(2U * i2) + 1U] = (s1 * co1) + (r1 * si1);  in arm_radix4_butterfly_inverse_f32()
1135       s1 = pSrc[(2U * i0) + 1U] + pSrc[(2U * i2) + 1U];  in arm_radix4_butterfly_inverse_f32()
1153       pSrc[(2U * i0) + 1U] = (s1 + t2) * onebyfftLen;  in arm_radix4_butterfly_inverse_f32()
1156       s1 = s1 - t2;  in arm_radix4_butterfly_inverse_f32()
1168       pSrc[(2U * i1) + 1U] = s1 * onebyfftLen;  in arm_radix4_butterfly_inverse_f32()
1177       s1 = s2 + t2;  in arm_radix4_butterfly_inverse_f32()
1186       pSrc[(2U * i2) + 1U] = s1 * onebyfftLen;  in arm_radix4_butterfly_inverse_f32()