predict_point()

static int32_t fl::third_party::vorbis::predict_point ( int32_t x, int32_t x0, int32_t x1, int32_t y0, int32_t y1 )

static

Definition at line 1663 of file stb_vorbis.cpp.hpp.

{
   int32_t dy = y1 - y0;
   int32_t adx = x1 - x0;
   // @OPTIMIZE: force int division to round in the right direction... is this necessary on x86?
   int32_t err = abs(dy) * (x - x0);
   int32_t off = err / adx;
   return dy < 0 ? y0 - off : y0 + off;
}

References fl::abs(), FL_NOEXCEPT, and fl::x.

Referenced by vorbis_decode_packet_rest().

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