copysign           46 compat/djgpp/math.c     return copysign(x, y);
copysign          635 libavfilter/af_dynaudnorm.c                 dst_ptr[i] = copysign(bound(localThresh, fabs(dst_ptr[i])), dst_ptr[i]);
copysign          654 libavfilter/af_dynaudnorm.c                 dst_ptr[i] = copysign(bound(localThresh, fabs(dst_ptr[i])), dst_ptr[i]);
copysign          457 libavutil/avsscanf.c         bias = copysign(scalbn(1, 2*DBL_MANT_DIG-bits-1), y);
copysign          598 libavutil/avsscanf.c         bias = copysign(scalbn(1, 32+DBL_MANT_DIG-bits-1), sign);