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/linux-6.1.9/drivers/media/pci/cx88/
Dcx88-dsp.c70 static s32 int_cos(u32 x) in int_cos() function
77 return -int_cos(x - INT_PI); in int_cos()
80 return -int_cos(INT_PI / 2 - (x % (INT_PI / 2))); in int_cos()
101 s32 coeff = 2 * int_cos(freq); in int_goertzel()