1 /* Copyright (C) 2010-2020 The RetroArch team
3 * ---------------------------------------------------------------------------------------
4 * The following license statement only applies to this file (complex.h).
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22 #ifndef __LIBRETRO_SDK_MATH_COMPLEX_H__
23 #define __LIBRETRO_SDK_MATH_COMPLEX_H__
27 #include <retro_inline.h>
35 static INLINE fft_complex_t fft_complex_mul(fft_complex_t a,
39 out.real = a.real * b.real - a.imag * b.imag;
40 out.imag = a.imag * b.real + a.real * b.imag;
46 static INLINE fft_complex_t fft_complex_add(fft_complex_t a,
50 out.real = a.real + b.real;
51 out.imag = a.imag + b.imag;
57 static INLINE fft_complex_t fft_complex_sub(fft_complex_t a,
61 out.real = a.real - b.real;
62 out.imag = a.imag - b.imag;
68 static INLINE fft_complex_t fft_complex_conj(fft_complex_t a)