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/cmsis-dsp-latest/Source/TransformFunctions/
Darm_cfft_radix4_q31.c160 q31_t t1, t2, r1, r2, s1, s2, co1, co2, co3, si1, si2, si3; in arm_radix4_butterfly_q31() local
209 s2 = (pSrc[(2U * i0) + 1U] >> 4U) - (pSrc[(2U * i2) + 1U] >> 4U); in arm_radix4_butterfly_q31()
248 s1 = s2 - t2; in arm_radix4_butterfly_q31()
250 s2 = s2 + t2; in arm_radix4_butterfly_q31()
270 ((int32_t) (((q63_t) s2 * si3) >> 32))) << 1U; in arm_radix4_butterfly_q31()
273 pSrc[(2U * i3) + 1U] = (((int32_t) (((q63_t) s2 * co3) >> 32)) - in arm_radix4_butterfly_q31()
336 s2 = pSrc[(2U * i0) + 1U] - pSrc[(2U * i2) + 1U]; in arm_radix4_butterfly_q31()
373 s1 = s2 - t2; in arm_radix4_butterfly_q31()
375 s2 = s2 + t2; in arm_radix4_butterfly_q31()
387 ((int32_t) (((q63_t) s2 * si3) >> 32))) >> 1U; in arm_radix4_butterfly_q31()
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Darm_cfft_f64.c68 float64_t t1, t2, r1, r2, s1, s2; in arm_radix4_butterfly_f64() local
117 s2 = pSrc[(2U * i0) + 1U] - pSrc[(2U * i2) + 1U]; in arm_radix4_butterfly_f64()
156 s1 = s2 - t2; in arm_radix4_butterfly_f64()
159 s2 = s2 + t2; in arm_radix4_butterfly_f64()
168 pSrc[2U * i3] = (r2 * co3) + (s2 * si3); in arm_radix4_butterfly_f64()
171 pSrc[(2U * i3) + 1U] = (s2 * co3) - (r2 * si3); in arm_radix4_butterfly_f64()
Darm_cfft_radix4_f32.c480 float32_t t1, t2, r1, r2, s1, s2; in arm_radix4_butterfly_f32() local
528 s2 = pSrc[(2U * i0) + 1U] - pSrc[(2U * i2) + 1U]; in arm_radix4_butterfly_f32()
567 s1 = s2 - t2; in arm_radix4_butterfly_f32()
570 s2 = s2 + t2; in arm_radix4_butterfly_f32()
579 pSrc[2U * i3] = (r2 * co3) + (s2 * si3); in arm_radix4_butterfly_f32()
582 pSrc[(2U * i3) + 1U] = (s2 * co3) - (r2 * si3); in arm_radix4_butterfly_f32()
1002 float32_t t1, t2, r1, r2, s1, s2; in arm_radix4_butterfly_inverse_f32() local
1052 s2 = pSrc[(2U * i0) + 1U] - pSrc[(2U * i2) + 1U]; in arm_radix4_butterfly_inverse_f32()
1091 s1 = s2 + t2; in arm_radix4_butterfly_inverse_f32()
1094 s2 = s2 - t2; in arm_radix4_butterfly_inverse_f32()
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Darm_cfft_radix8_f32.c64 float32_t s1, s2, s3, s4, s5, s6, s7, s8; in arm_radix8_butterfly_f32() local
204 s2 = pSrc[2 * i2 + 1] + pSrc[2 * i6 + 1]; in arm_radix8_butterfly_f32()
212 s3 = s2 - s4; in arm_radix8_butterfly_f32()
213 s2 = s2 + s4; in arm_radix8_butterfly_f32()
216 pSrc[2 * i1 + 1] = s1 + s2; in arm_radix8_butterfly_f32()
217 s2 = s1 - s2; in arm_radix8_butterfly_f32()
221 p2 = si5 * s2; in arm_radix8_butterfly_f32()
222 p3 = co5 * s2; in arm_radix8_butterfly_f32()
Darm_cfft_radix4_f16.c543 float16_t t1, t2, r1, r2, s1, s2; in arm_radix4_butterfly_f16() local
593 s2 = (_Float16)pSrc[(2U * i0) + 1U] - (_Float16)pSrc[(2U * i2) + 1U]; in arm_radix4_butterfly_f16()
632 s1 = (_Float16)s2 - (_Float16)t2; in arm_radix4_butterfly_f16()
635 s2 = (_Float16)s2 + (_Float16)t2; in arm_radix4_butterfly_f16()
644 pSrc[2U * i3] = ((_Float16)r2 * (_Float16)co3) + ((_Float16)s2 * (_Float16)si3); in arm_radix4_butterfly_f16()
647 pSrc[(2U * i3) + 1U] = ((_Float16)s2 * (_Float16)co3) - ((_Float16)r2 * (_Float16)si3); in arm_radix4_butterfly_f16()
1066 float16_t t1, t2, r1, r2, s1, s2; in arm_radix4_butterfly_inverse_f16() local
1118 s2 = (_Float16)pSrc[(2U * i0) + 1U] - (_Float16)pSrc[(2U * i2) + 1U]; in arm_radix4_butterfly_inverse_f16()
1157 s1 = (_Float16)s2 + (_Float16)t2; in arm_radix4_butterfly_inverse_f16()
1160 s2 = (_Float16)s2 - (_Float16)t2; in arm_radix4_butterfly_inverse_f16()
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Darm_cfft_radix8_f16.c65 float16_t s1, s2, s3, s4, s5, s6, s7, s8; in arm_radix8_butterfly_f16() local
205 s2 = (_Float16)pSrc[2 * i2 + 1] + (_Float16)pSrc[2 * i6 + 1]; in arm_radix8_butterfly_f16()
213 s3 = (_Float16)s2 - (_Float16)s4; in arm_radix8_butterfly_f16()
214 s2 = (_Float16)s2 + (_Float16)s4; in arm_radix8_butterfly_f16()
217 pSrc[2 * i1 + 1] = (_Float16)s1 + (_Float16)s2; in arm_radix8_butterfly_f16()
218 s2 = (_Float16)s1 - (_Float16)s2; in arm_radix8_butterfly_f16()
222 p2 = (_Float16)si5 * (_Float16)s2; in arm_radix8_butterfly_f16()
223 p3 = (_Float16)co5 * (_Float16)s2; in arm_radix8_butterfly_f16()
/cmsis-dsp-latest/PythonWrapper/examples/
DNoise suppression.ipynb1379 …PrRZ0GL8Sdgo1CLQIpAZqBC8CzwCx/3X6FvVo8sfy6Pbv9FvwYvCE97v9E/d/8TP1iQHzCCwCR/s2/xMHIgleB3cGcg7HEOQJy…