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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
207 s1 = (pSrc[(2U * i0) + 1U] >> 4U) + (pSrc[(2U * i2) + 1U] >> 4U); in arm_radix4_butterfly_q31()
219 pSrc[(2U * i0) + 1U] = (s1 + t2); in arm_radix4_butterfly_q31()
222 s1 = s1 - t2; in arm_radix4_butterfly_q31()
236 ((int32_t) (((q63_t) s1 * si2) >> 32))) << 1U; in arm_radix4_butterfly_q31()
239 pSrc[(2U * i1) + 1U] = (((int32_t) (((q63_t) s1 * co2) >> 32)) - in arm_radix4_butterfly_q31()
248 s1 = s2 - t2; in arm_radix4_butterfly_q31()
257 ((int32_t) (((q63_t) s1 * si1) >> 32))) << 1U; in arm_radix4_butterfly_q31()
260 pSrc[(2U * i2) + 1U] = (((int32_t) (((q63_t) s1 * co1) >> 32)) - in arm_radix4_butterfly_q31()
334 s1 = pSrc[(2U * i0) + 1U] + pSrc[(2U * i2) + 1U]; in arm_radix4_butterfly_q31()
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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
202 s1 = pSrc[2 * i1 + 1] + pSrc[2 * i5 + 1]; in arm_radix8_butterfly_f32()
210 t2 = s1 - s3; in arm_radix8_butterfly_f32()
211 s1 = s1 + s3; 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()
218 s1 = t2 - r3; in arm_radix8_butterfly_f32()
227 p2 = si3 * s1; in arm_radix8_butterfly_f32()
228 p3 = co3 * s1; in arm_radix8_butterfly_f32()
240 s1 = (s6 - s8) * C81; in arm_radix8_butterfly_f32()
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Darm_cfft_f64.c68 float64_t t1, t2, r1, r2, s1, s2; in arm_radix4_butterfly_f64() local
114 s1 = pSrc[(2U * i0) + 1U] + pSrc[(2U * i2) + 1U]; in arm_radix4_butterfly_f64()
132 pSrc[(2U * i0) + 1U] = s1 + t2; in arm_radix4_butterfly_f64()
135 s1 = s1 - t2; in arm_radix4_butterfly_f64()
144 pSrc[2U * i1] = (r1 * co2) + (s1 * si2); in arm_radix4_butterfly_f64()
147 pSrc[(2U * i1) + 1U] = (s1 * co2) - (r1 * si2); in arm_radix4_butterfly_f64()
156 s1 = s2 - t2; in arm_radix4_butterfly_f64()
162 pSrc[2U * i2] = (r1 * co1) + (s1 * si1); in arm_radix4_butterfly_f64()
165 pSrc[(2U * i2) + 1U] = (s1 * co1) - (r1 * si1); in arm_radix4_butterfly_f64()
Darm_cfft_radix4_f32.c480 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
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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
203 s1 = (_Float16)pSrc[2 * i1 + 1] + (_Float16)pSrc[2 * i5 + 1]; in arm_radix8_butterfly_f16()
211 t2 = (_Float16)s1 - (_Float16)s3; in arm_radix8_butterfly_f16()
212 s1 = (_Float16)s1 + (_Float16)s3; 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()
219 s1 = (_Float16)t2 - (_Float16)r3; in arm_radix8_butterfly_f16()
228 p2 = (_Float16)si3 * (_Float16)s1; in arm_radix8_butterfly_f16()
229 p3 = (_Float16)co3 * (_Float16)s1; in arm_radix8_butterfly_f16()
241 s1 = ((_Float16)s6 - (_Float16)s8) * (_Float16)C81; in arm_radix8_butterfly_f16()
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Darm_cfft_radix4_f16.c543 float16_t t1, t2, r1, r2, s1, s2; in arm_radix4_butterfly_f16() local
590 s1 = (_Float16)pSrc[(2U * i0) + 1U] + (_Float16)pSrc[(2U * i2) + 1U]; in arm_radix4_butterfly_f16()
608 pSrc[(2U * i0) + 1U] = (_Float16)s1 + (_Float16)t2; in arm_radix4_butterfly_f16()
611 s1 = (_Float16)s1 - (_Float16)t2; in arm_radix4_butterfly_f16()
620 pSrc[2U * i1] = ((_Float16)r1 * (_Float16)co2) + ((_Float16)s1 * (_Float16)si2); in arm_radix4_butterfly_f16()
623 pSrc[(2U * i1) + 1U] = ((_Float16)s1 * (_Float16)co2) - ((_Float16)r1 * (_Float16)si2); in arm_radix4_butterfly_f16()
632 s1 = (_Float16)s2 - (_Float16)t2; in arm_radix4_butterfly_f16()
638 pSrc[2U * i2] = ((_Float16)r1 * (_Float16)co1) + ((_Float16)s1 * (_Float16)si1); in arm_radix4_butterfly_f16()
641 pSrc[(2U * i2) + 1U] = ((_Float16)s1 * (_Float16)co1) - ((_Float16)r1 * (_Float16)si1); in arm_radix4_butterfly_f16()
1066 float16_t t1, t2, r1, r2, s1, s2; in arm_radix4_butterfly_inverse_f16() local
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/cmsis-dsp-latest/PythonWrapper/examples/
DNoise suppression.ipynb704 …DigJLA00BaQJuAc0Bp/8v/tb9PP2d/Af+UPx3/NT7e/yK/AL9HvsG/FL8DfsW/DP9O/0g+538k/s1/Qj+nf1R/Kn7E/+o/y0AL…
1670 …s1/UH8SfxA/AP8cv2I/tf+Vf6j/nr9Cf1G/QP/C//S/S//XgDQAOEAJwGwAuQCbQFkAYcB4wK+AOQCcgIeAekAHwMBBK0CfQHL…