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Renamed celt_word* to opus_val*

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This commit is contained in:
Jean-Marc Valin 2011-07-29 18:59:12 -04:00
parent f9d14f8d77
commit ff5f7228fd
31 changed files with 401 additions and 401 deletions
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36
libcelt/mathops.c
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@ -66,10 +66,10 @@ unsigned isqrt32(opus_uint32 _val){
#ifdef FIXED_POINT
celt_word32 frac_div32(celt_word32 a, celt_word32 b)
opus_val32 frac_div32(opus_val32 a, opus_val32 b)
{
celt_word16 rcp;
celt_word32 result, rem;
opus_val16 rcp;
opus_val32 result, rem;
int shift = celt_ilog2(b)-29;
a = VSHR32(a,shift);
b = VSHR32(b,shift);
@ -82,12 +82,12 @@ celt_word32 frac_div32(celt_word32 a, celt_word32 b)
}
/** Reciprocal sqrt approximation in the range [0.25,1) (Q16 in, Q14 out) */
celt_word16 celt_rsqrt_norm(celt_word32 x)
opus_val16 celt_rsqrt_norm(opus_val32 x)
{
celt_word16 n;
celt_word16 r;
celt_word16 r2;
celt_word16 y;
opus_val16 n;
opus_val16 r;
opus_val16 r2;
opus_val16 y;
/* Range of n is [-16384,32767] ([-0.5,1) in Q15). */
n = x-32768;
/* Get a rough initial guess for the root.
@ -110,12 +110,12 @@ celt_word16 celt_rsqrt_norm(celt_word32 x)
}
/** Sqrt approximation (QX input, QX/2 output) */
celt_word32 celt_sqrt(celt_word32 x)
opus_val32 celt_sqrt(opus_val32 x)
{
int k;
celt_word16 n;
celt_word32 rt;
static const celt_word16 C[5] = {23175, 11561, -3011, 1699, -664};
opus_val16 n;
opus_val32 rt;
static const opus_val16 C[5] = {23175, 11561, -3011, 1699, -664};
if (x==0)
return 0;
k = (celt_ilog2(x)>>1)-7;
@ -132,9 +132,9 @@ celt_word32 celt_sqrt(celt_word32 x)
#define L3 8277
#define L4 -626
static inline celt_word16 _celt_cos_pi_2(celt_word16 x)
static inline opus_val16 _celt_cos_pi_2(opus_val16 x)
{
celt_word16 x2;
opus_val16 x2;
x2 = MULT16_16_P15(x,x);
return ADD16(1,MIN16(32766,ADD32(SUB16(L1,x2), MULT16_16_P15(x2, ADD32(L2, MULT16_16_P15(x2, ADD32(L3, MULT16_16_P15(L4, x2
@ -146,7 +146,7 @@ static inline celt_word16 _celt_cos_pi_2(celt_word16 x)
#undef L3
#undef L4
celt_word16 celt_cos_norm(celt_word32 x)
opus_val16 celt_cos_norm(opus_val32 x)
{
x = x&0x0001ffff;
if (x>SHL32(EXTEND32(1), 16))
@ -170,11 +170,11 @@ celt_word16 celt_cos_norm(celt_word32 x)
}
/** Reciprocal approximation (Q15 input, Q16 output) */
celt_word32 celt_rcp(celt_word32 x)
opus_val32 celt_rcp(opus_val32 x)
{
int i;
celt_word16 n;
celt_word16 r;
opus_val16 n;
opus_val16 r;
celt_assert2(x>0, "celt_rcp() only defined for positive values");
i = celt_ilog2(x);
/* n is Q15 with range [0,1). */