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authorZuxy Meng <zuxy.meng@gmail.com>2008-03-19 06:17:43 +0000
committerZuxy Meng <zuxy.meng@gmail.com>2008-03-19 06:17:43 +0000
commit85074d3c9388123d792995c8f98c9b5d807566b4 (patch)
tree54440eea962c4864599dd5403fc0244becb24875 /libavutil/softfloat.h
parentd1928ac1296a09c658ba64fe5c503979e280a2e0 (diff)
downloadffmpeg-streaming-85074d3c9388123d792995c8f98c9b5d807566b4.zip
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Reapply r12489: Add pure, const and malloc attributes to proper functions
in libavutil. Fix a compilation failure in r12489. Originally committed as revision 12498 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil/softfloat.h')
-rw-r--r--libavutil/softfloat.h18
1 files changed, 9 insertions, 9 deletions
diff --git a/libavutil/softfloat.h b/libavutil/softfloat.h
index d1a1901..bb8bb27 100644
--- a/libavutil/softfloat.h
+++ b/libavutil/softfloat.h
@@ -32,7 +32,7 @@ typedef struct SoftFloat{
int32_t mant;
}SoftFloat;
-static SoftFloat av_normalize_sf(SoftFloat a){
+static av_const SoftFloat av_normalize_sf(SoftFloat a){
if(a.mant){
#if 1
while((a.mant + 0x20000000U)<0x40000000U){
@@ -54,7 +54,7 @@ static SoftFloat av_normalize_sf(SoftFloat a){
return a;
}
-static inline SoftFloat av_normalize1_sf(SoftFloat a){
+static inline av_const SoftFloat av_normalize1_sf(SoftFloat a){
#if 1
if(a.mant + 0x40000000 < 0){
a.exp++;
@@ -76,7 +76,7 @@ static inline SoftFloat av_normalize1_sf(SoftFloat a){
* normalized then the output wont be worse then the other input
* if both are normalized then the output will be normalized
*/
-static inline SoftFloat av_mul_sf(SoftFloat a, SoftFloat b){
+static inline av_const SoftFloat av_mul_sf(SoftFloat a, SoftFloat b){
a.exp += b.exp;
a.mant = (a.mant * (int64_t)b.mant) >> ONE_BITS;
return av_normalize1_sf(a);
@@ -87,31 +87,31 @@ static inline SoftFloat av_mul_sf(SoftFloat a, SoftFloat b){
* b has to be normalized and not zero
* @return will not be more denormalized then a
*/
-static SoftFloat av_div_sf(SoftFloat a, SoftFloat b){
+static av_const SoftFloat av_div_sf(SoftFloat a, SoftFloat b){
a.exp -= b.exp+1;
a.mant = ((int64_t)a.mant<<(ONE_BITS+1)) / b.mant;
return av_normalize1_sf(a);
}
-static inline int av_cmp_sf(SoftFloat a, SoftFloat b){
+static inline av_const int av_cmp_sf(SoftFloat a, SoftFloat b){
int t= a.exp - b.exp;
if(t<0) return (a.mant >> (-t)) - b.mant ;
else return a.mant - (b.mant >> t);
}
-static inline SoftFloat av_add_sf(SoftFloat a, SoftFloat b){
+static inline av_const SoftFloat av_add_sf(SoftFloat a, SoftFloat b){
int t= a.exp - b.exp;
if(t<0) return av_normalize1_sf((SoftFloat){b.exp, b.mant + (a.mant >> (-t))});
else return av_normalize1_sf((SoftFloat){a.exp, a.mant + (b.mant >> t )});
}
-static inline SoftFloat av_sub_sf(SoftFloat a, SoftFloat b){
+static inline av_const SoftFloat av_sub_sf(SoftFloat a, SoftFloat b){
return av_add_sf(a, (SoftFloat){b.exp, -b.mant});
}
//FIXME sqrt, log, exp, pow, sin, cos
-static inline SoftFloat av_int2sf(int v, int frac_bits){
+static inline av_const SoftFloat av_int2sf(int v, int frac_bits){
return av_normalize_sf((SoftFloat){ONE_BITS-frac_bits, v});
}
@@ -119,7 +119,7 @@ static inline SoftFloat av_int2sf(int v, int frac_bits){
*
* rounding is to -inf
*/
-static inline int av_sf2int(SoftFloat v, int frac_bits){
+static inline av_const int av_sf2int(SoftFloat v, int frac_bits){
v.exp += frac_bits - ONE_BITS;
if(v.exp >= 0) return v.mant << v.exp ;
else return v.mant >>(-v.exp);
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