diff options
Diffstat (limited to 'media/libjpeg/jfdctflt.c')
| -rw-r--r-- | media/libjpeg/jfdctflt.c | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/media/libjpeg/jfdctflt.c b/media/libjpeg/jfdctflt.c index b3da3ebda8..ab6f6d0825 100644 --- a/media/libjpeg/jfdctflt.c +++ b/media/libjpeg/jfdctflt.c @@ -57,7 +57,7 @@ */ GLOBAL(void) -jpeg_fdct_float (FAST_FLOAT *data) +jpeg_fdct_float(FAST_FLOAT *data) { FAST_FLOAT tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; FAST_FLOAT tmp10, tmp11, tmp12, tmp13; @@ -68,7 +68,7 @@ jpeg_fdct_float (FAST_FLOAT *data) /* Pass 1: process rows. */ dataptr = data; - for (ctr = DCTSIZE-1; ctr >= 0; ctr--) { + for (ctr = DCTSIZE - 1; ctr >= 0; ctr--) { tmp0 = dataptr[0] + dataptr[7]; tmp7 = dataptr[0] - dataptr[7]; tmp1 = dataptr[1] + dataptr[6]; @@ -88,7 +88,7 @@ jpeg_fdct_float (FAST_FLOAT *data) dataptr[0] = tmp10 + tmp11; /* phase 3 */ dataptr[4] = tmp10 - tmp11; - z1 = (tmp12 + tmp13) * ((FAST_FLOAT) 0.707106781); /* c4 */ + z1 = (tmp12 + tmp13) * ((FAST_FLOAT)0.707106781); /* c4 */ dataptr[2] = tmp13 + z1; /* phase 5 */ dataptr[6] = tmp13 - z1; @@ -99,10 +99,10 @@ jpeg_fdct_float (FAST_FLOAT *data) tmp12 = tmp6 + tmp7; /* The rotator is modified from fig 4-8 to avoid extra negations. */ - z5 = (tmp10 - tmp12) * ((FAST_FLOAT) 0.382683433); /* c6 */ - z2 = ((FAST_FLOAT) 0.541196100) * tmp10 + z5; /* c2-c6 */ - z4 = ((FAST_FLOAT) 1.306562965) * tmp12 + z5; /* c2+c6 */ - z3 = tmp11 * ((FAST_FLOAT) 0.707106781); /* c4 */ + z5 = (tmp10 - tmp12) * ((FAST_FLOAT)0.382683433); /* c6 */ + z2 = ((FAST_FLOAT)0.541196100) * tmp10 + z5; /* c2-c6 */ + z4 = ((FAST_FLOAT)1.306562965) * tmp12 + z5; /* c2+c6 */ + z3 = tmp11 * ((FAST_FLOAT)0.707106781); /* c4 */ z11 = tmp7 + z3; /* phase 5 */ z13 = tmp7 - z3; @@ -118,15 +118,15 @@ jpeg_fdct_float (FAST_FLOAT *data) /* Pass 2: process columns. */ dataptr = data; - for (ctr = DCTSIZE-1; ctr >= 0; ctr--) { - tmp0 = dataptr[DCTSIZE*0] + dataptr[DCTSIZE*7]; - tmp7 = dataptr[DCTSIZE*0] - dataptr[DCTSIZE*7]; - tmp1 = dataptr[DCTSIZE*1] + dataptr[DCTSIZE*6]; - tmp6 = dataptr[DCTSIZE*1] - dataptr[DCTSIZE*6]; - tmp2 = dataptr[DCTSIZE*2] + dataptr[DCTSIZE*5]; - tmp5 = dataptr[DCTSIZE*2] - dataptr[DCTSIZE*5]; - tmp3 = dataptr[DCTSIZE*3] + dataptr[DCTSIZE*4]; - tmp4 = dataptr[DCTSIZE*3] - dataptr[DCTSIZE*4]; + for (ctr = DCTSIZE - 1; ctr >= 0; ctr--) { + tmp0 = dataptr[DCTSIZE * 0] + dataptr[DCTSIZE * 7]; + tmp7 = dataptr[DCTSIZE * 0] - dataptr[DCTSIZE * 7]; + tmp1 = dataptr[DCTSIZE * 1] + dataptr[DCTSIZE * 6]; + tmp6 = dataptr[DCTSIZE * 1] - dataptr[DCTSIZE * 6]; + tmp2 = dataptr[DCTSIZE * 2] + dataptr[DCTSIZE * 5]; + tmp5 = dataptr[DCTSIZE * 2] - dataptr[DCTSIZE * 5]; + tmp3 = dataptr[DCTSIZE * 3] + dataptr[DCTSIZE * 4]; + tmp4 = dataptr[DCTSIZE * 3] - dataptr[DCTSIZE * 4]; /* Even part */ @@ -135,12 +135,12 @@ jpeg_fdct_float (FAST_FLOAT *data) tmp11 = tmp1 + tmp2; tmp12 = tmp1 - tmp2; - dataptr[DCTSIZE*0] = tmp10 + tmp11; /* phase 3 */ - dataptr[DCTSIZE*4] = tmp10 - tmp11; + dataptr[DCTSIZE * 0] = tmp10 + tmp11; /* phase 3 */ + dataptr[DCTSIZE * 4] = tmp10 - tmp11; - z1 = (tmp12 + tmp13) * ((FAST_FLOAT) 0.707106781); /* c4 */ - dataptr[DCTSIZE*2] = tmp13 + z1; /* phase 5 */ - dataptr[DCTSIZE*6] = tmp13 - z1; + z1 = (tmp12 + tmp13) * ((FAST_FLOAT)0.707106781); /* c4 */ + dataptr[DCTSIZE * 2] = tmp13 + z1; /* phase 5 */ + dataptr[DCTSIZE * 6] = tmp13 - z1; /* Odd part */ @@ -149,18 +149,18 @@ jpeg_fdct_float (FAST_FLOAT *data) tmp12 = tmp6 + tmp7; /* The rotator is modified from fig 4-8 to avoid extra negations. */ - z5 = (tmp10 - tmp12) * ((FAST_FLOAT) 0.382683433); /* c6 */ - z2 = ((FAST_FLOAT) 0.541196100) * tmp10 + z5; /* c2-c6 */ - z4 = ((FAST_FLOAT) 1.306562965) * tmp12 + z5; /* c2+c6 */ - z3 = tmp11 * ((FAST_FLOAT) 0.707106781); /* c4 */ + z5 = (tmp10 - tmp12) * ((FAST_FLOAT)0.382683433); /* c6 */ + z2 = ((FAST_FLOAT)0.541196100) * tmp10 + z5; /* c2-c6 */ + z4 = ((FAST_FLOAT)1.306562965) * tmp12 + z5; /* c2+c6 */ + z3 = tmp11 * ((FAST_FLOAT)0.707106781); /* c4 */ z11 = tmp7 + z3; /* phase 5 */ z13 = tmp7 - z3; - dataptr[DCTSIZE*5] = z13 + z2; /* phase 6 */ - dataptr[DCTSIZE*3] = z13 - z2; - dataptr[DCTSIZE*1] = z11 + z4; - dataptr[DCTSIZE*7] = z11 - z4; + dataptr[DCTSIZE * 5] = z13 + z2; /* phase 6 */ + dataptr[DCTSIZE * 3] = z13 - z2; + dataptr[DCTSIZE * 1] = z11 + z4; + dataptr[DCTSIZE * 7] = z11 - z4; dataptr++; /* advance pointer to next column */ } |