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Searched refs:xt (Results 1 – 9 of 9) sorted by relevance

/cmsis-dsp-latest/Source/TransformFunctions/
Darm_cfft_radix2_f32.c119 float32_t xt, yt, cosVal, sinVal; in arm_radix2_butterfly_f32() local
145 xt = pSrc[2 * i] - pSrc[2 * l]; in arm_radix2_butterfly_f32()
150 p0 = xt * cosVal; in arm_radix2_butterfly_f32()
153 p3 = xt * sinVal; in arm_radix2_butterfly_f32()
187 xt = pSrc[2 * i] - pSrc[2 * l]; in arm_radix2_butterfly_f32()
192 p0 = xt * cosVal; in arm_radix2_butterfly_f32()
195 p3 = xt * sinVal; in arm_radix2_butterfly_f32()
214 xt = pSrc[2 * i] - pSrc[2 * i + 2]; in arm_radix2_butterfly_f32()
221 pSrc[2 * i + 2] = xt; in arm_radix2_butterfly_f32()
250 xt = pSrc[2 * i] - pSrc[2 * l]; in arm_radix2_butterfly_f32()
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Darm_cfft_radix2_q31.c94 q31_t xt, yt, cosVal, sinVal; in arm_radix2_butterfly_q31() local
112 xt = (pSrc[2 * i] >> 1U) - (pSrc[2 * l] >> 1U); in arm_radix2_butterfly_q31()
119 mult_32x32_keep32_R(p0, xt, cosVal); in arm_radix2_butterfly_q31()
122 multSub_32x32_keep32_R(p1, xt, sinVal); in arm_radix2_butterfly_q31()
151 xt = pSrc[2 * i] - pSrc[2 * l]; in arm_radix2_butterfly_q31()
157 mult_32x32_keep32_R(p0, xt, cosVal); in arm_radix2_butterfly_q31()
160 multSub_32x32_keep32_R(p1, xt, sinVal); in arm_radix2_butterfly_q31()
185 xt = pSrc[2 * i] - pSrc[2 * l]; in arm_radix2_butterfly_q31()
191 pSrc[2U * l] = xt; in arm_radix2_butterfly_q31()
198 xt = pSrc[2 * i] - pSrc[2 * l]; in arm_radix2_butterfly_q31()
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Darm_cfft_radix2_f16.c126 float16_t xt, yt, cosVal, sinVal; in arm_radix2_butterfly_f16() local
152 xt = (_Float16)pSrc[2 * i] - (_Float16)pSrc[2 * l]; in arm_radix2_butterfly_f16()
157 p0 = (_Float16)xt * (_Float16)cosVal; in arm_radix2_butterfly_f16()
160 p3 = (_Float16)xt * (_Float16)sinVal; in arm_radix2_butterfly_f16()
194 xt = (_Float16)pSrc[2 * i] - (_Float16)pSrc[2 * l]; in arm_radix2_butterfly_f16()
199 p0 = (_Float16)xt * (_Float16)cosVal; in arm_radix2_butterfly_f16()
202 p3 = (_Float16)xt * (_Float16)sinVal; in arm_radix2_butterfly_f16()
221 xt = (_Float16)pSrc[2 * i] - (_Float16)pSrc[2 * i + 2]; in arm_radix2_butterfly_f16()
228 pSrc[2 * i + 2] = xt; in arm_radix2_butterfly_f16()
257 xt = (_Float16)pSrc[2 * i] - (_Float16)pSrc[2 * l]; in arm_radix2_butterfly_f16()
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Darm_cfft_radix2_q15.c279 q15_t xt, yt, cosVal, sinVal; in arm_radix2_butterfly_q15()
300 xt = (pSrc[2 * i] >> 1U) - (pSrc[2 * l] >> 1U); in arm_radix2_butterfly_q15()
307 pSrc[2 * l] = (((int16_t) (((q31_t) xt * cosVal) >> 16)) + in arm_radix2_butterfly_q15()
311 ((int16_t) (((q31_t) xt * sinVal) >> 16))); in arm_radix2_butterfly_q15()
337 xt = pSrc[2 * i] - pSrc[2 * l]; in arm_radix2_butterfly_q15()
343 pSrc[2 * l] = (((int16_t) (((q31_t) xt * cosVal) >> 16)) + in arm_radix2_butterfly_q15()
347 ((int16_t) (((q31_t) xt * sinVal) >> 16))); in arm_radix2_butterfly_q15()
372 xt = pSrc[2 * i] - pSrc[2 * l]; in arm_radix2_butterfly_q15()
378 pSrc[2 * l] = xt; in arm_radix2_butterfly_q15()
581 q15_t xt, yt, cosVal, sinVal; in arm_radix2_butterfly_inverse_q15()
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Darm_cfft_q31.c726 q31_t xt, yt, cosVal, sinVal; in arm_cfft_radix4by2_q31() local
737 xt = (pSrc[2 * i] >> 2U) - (pSrc[2 * l] >> 2U); in arm_cfft_radix4by2_q31()
743 mult_32x32_keep32_R(p0, xt, cosVal); in arm_cfft_radix4by2_q31()
746 multSub_32x32_keep32_R(p1, xt, sinVal); in arm_cfft_radix4by2_q31()
764 xt = pSrc[4 * i + 2]; in arm_cfft_radix4by2_q31()
769 xt <<= 1U; in arm_cfft_radix4by2_q31()
774 pSrc[4 * i + 2] = xt; in arm_cfft_radix4by2_q31()
787 q31_t xt, yt, cosVal, sinVal; in arm_cfft_radix4by2_inverse_q31() local
798 xt = (pSrc[2 * i] >> 2U) - (pSrc[2 * l] >> 2U); in arm_cfft_radix4by2_inverse_q31()
804 mult_32x32_keep32_R(p0, xt, cosVal); in arm_cfft_radix4by2_inverse_q31()
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Darm_cfft_f64.c196 float64_t xt, yt, cosVal, sinVal; in arm_cfft_radix4by2_f64() local
211 xt = pSrc[2 * i] - pSrc[2 * l]; in arm_cfft_radix4by2_f64()
216 p0 = xt * cosVal; in arm_cfft_radix4by2_f64()
219 p3 = xt * sinVal; in arm_cfft_radix4by2_f64()
Darm_cfft_q15.c704 q15_t xt, yt, cosVal, sinVal; in arm_cfft_radix4by2_q15() local
745 xt = (pSrc[2 * i] >> 1U) - (pSrc[2 * l] >> 1U); in arm_cfft_radix4by2_q15()
751 pSrc[2 * l] = (((int16_t) (((q31_t) xt * cosVal) >> 16U)) + in arm_cfft_radix4by2_q15()
755 ((int16_t) (((q31_t) xt * sinVal) >> 16U)) ); in arm_cfft_radix4by2_q15()
803 q15_t xt, yt, cosVal, sinVal; in arm_cfft_radix4by2_inverse_q15() local
844 xt = (pSrc[2 * i] >> 1U) - (pSrc[2 * l] >> 1U); in arm_cfft_radix4by2_inverse_q15()
850 pSrc[2 * l] = (((int16_t) (((q31_t) xt * cosVal) >> 16U)) - in arm_cfft_radix4by2_inverse_q15()
854 ((int16_t) (((q31_t) xt * sinVal) >> 16U)) ); in arm_cfft_radix4by2_inverse_q15()
Darm_cfft_radix4_f16.c79 float16_t xt, yt, cosVal, sinVal; in arm_cfft_radix4by2_f16() local
94 xt = (_Float16)pSrc[2 * i] - (_Float16)pSrc[2 * l]; in arm_cfft_radix4by2_f16()
99 p0 = (_Float16)xt * (_Float16)cosVal; in arm_cfft_radix4by2_f16()
102 p3 = (_Float16)xt * (_Float16)sinVal; in arm_cfft_radix4by2_f16()
/cmsis-dsp-latest/PythonWrapper/examples/
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