diff options
Diffstat (limited to 'libAACdec/src/usacdec_lpc.cpp')
| -rw-r--r-- | libAACdec/src/usacdec_lpc.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/libAACdec/src/usacdec_lpc.cpp b/libAACdec/src/usacdec_lpc.cpp index 278afbe..d726798 100644 --- a/libAACdec/src/usacdec_lpc.cpp +++ b/libAACdec/src/usacdec_lpc.cpp @@ -231,7 +231,7 @@ void nearest_neighbor_2D8(FIXP_ZF x[8], int y[8]) { void RE8_PPV(FIXP_ZF x[], SHORT y[], int r) { int i, y0[8], y1[8]; FIXP_ZF x1[8], tmp; - FIXP_DBL e; + INT64 e; /* find the nearest neighbor y0 of x in 2D8 */ nearest_neighbor_2D8(x, y0); @@ -245,16 +245,16 @@ void RE8_PPV(FIXP_ZF x[], SHORT y[], int r) { } /* compute e0=||x-y0||^2 and e1=||x-y1||^2 */ - e = (FIXP_DBL)0; + e = 0; for (i = 0; i < 8; i++) { tmp = x[i] - INT2ZF(y0[i], 0); - e += fPow2Div2( + e += (INT64)fPow2Div2( tmp << r); /* shift left to ensure that no fract part bits get lost. */ tmp = x[i] - INT2ZF(y1[i], 0); - e -= fPow2Div2(tmp << r); + e -= (INT64)fPow2Div2(tmp << r); } /* select best candidate y0 or y1 to minimize distortion */ - if (e < (FIXP_DBL)0) { + if (e < 0) { for (i = 0; i < 8; i++) { y[i] = y0[i]; } |