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Implement SFC_SET_FLOAT_INT_MULTIPLIER inf float32.c and double64.c..

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This commit is contained in:
Erik de Castro Lopo 2004-09-30 12:44:16 +00:00
parent 1378d1fcc2
commit e505e5392e
2 changed files with 16 additions and 13 deletions
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25
src/double64.c
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@ -475,16 +475,16 @@ double64_get_capability (SF_PRIVATE *psf)
*/
static inline void
d2s_array (double *src, int count, short *dest)
d2s_array (double *src, int count, short *dest, double scale)
{ while (--count >= 0)
{ dest [count] = lrint (src [count]) ;
{ dest [count] = lrint (scale * src [count]) ;
} ;
} /* d2s_array */
static inline void
d2i_array (double *src, int count, int *dest)
d2i_array (double *src, int count, int *dest, double scale)
{ while (--count >= 0)
{ dest [count] = lrint (src [count]) ;
{ dest [count] = lrint (scale * src [count]) ;
} ;
} /* d2i_array */
@ -523,8 +523,10 @@ static sf_count_t
host_read_d2s (SF_PRIVATE *psf, short *ptr, sf_count_t len)
{ int bufferlen, readcount ;
sf_count_t total = 0 ;
double scale ;
bufferlen = ARRAY_LEN (psf->u.dbuf) ;
scale = (psf->float_int_mult == 0) ? 1.0 : 0x7FFF / psf->float_max ;
while (len > 0)
{ if (len < bufferlen)
@ -534,7 +536,7 @@ host_read_d2s (SF_PRIVATE *psf, short *ptr, sf_count_t len)
if (psf->float_endswap == SF_TRUE)
endswap_long_array (psf->u.lbuf, bufferlen) ;
d2s_array (psf->u.dbuf, readcount, ptr + total) ;
d2s_array (psf->u.dbuf, readcount, ptr + total, scale) ;
total += readcount ;
len -= readcount ;
if (readcount < bufferlen)
@ -548,8 +550,9 @@ static sf_count_t
host_read_d2i (SF_PRIVATE *psf, int *ptr, sf_count_t len)
{ int bufferlen, readcount ;
sf_count_t total = 0 ;
double scale ;
bufferlen = ARRAY_LEN (psf->u.dbuf) ;
scale = (psf->float_int_mult == 0) ? 1.0 : 0x7FFFFFFF / psf->float_max ;
while (len > 0)
{ if (len < bufferlen)
@ -559,7 +562,7 @@ host_read_d2i (SF_PRIVATE *psf, int *ptr, sf_count_t len)
if (psf->float_endswap == SF_TRUE)
endswap_long_array (psf->u.lbuf, bufferlen) ;
d2i_array (psf->u.dbuf, readcount, ptr + total) ;
d2i_array (psf->u.dbuf, readcount, ptr + total, scale) ;
total += readcount ;
len -= readcount ;
if (readcount < bufferlen)
@ -741,8 +744,10 @@ static sf_count_t
replace_read_d2s (SF_PRIVATE *psf, short *ptr, sf_count_t len)
{ int bufferlen, readcount ;
sf_count_t total = 0 ;
double scale ;
bufferlen = ARRAY_LEN (psf->u.dbuf) ;
scale = (psf->float_int_mult == 0) ? 1.0 : 0x7FFF / psf->float_max ;
while (len > 0)
{ if (len < bufferlen)
@ -754,7 +759,7 @@ replace_read_d2s (SF_PRIVATE *psf, short *ptr, sf_count_t len)
d2bd_read (psf->u.dbuf, bufferlen) ;
d2s_array (psf->u.dbuf, readcount, ptr + total) ;
d2s_array (psf->u.dbuf, readcount, ptr + total, scale) ;
total += readcount ;
if (readcount < bufferlen)
break ;
@ -768,8 +773,10 @@ static sf_count_t
replace_read_d2i (SF_PRIVATE *psf, int *ptr, sf_count_t len)
{ int bufferlen, readcount ;
sf_count_t total = 0 ;
double scale ;
bufferlen = ARRAY_LEN (psf->u.dbuf) ;
scale = (psf->float_int_mult == 0) ? 1.0 : 0x7FFFFFFF / psf->float_max ;
while (len > 0)
{ if (len < bufferlen)
@ -781,7 +788,7 @@ replace_read_d2i (SF_PRIVATE *psf, int *ptr, sf_count_t len)
d2bd_read (psf->u.dbuf, bufferlen) ;
d2i_array (psf->u.dbuf, readcount, ptr + total) ;
d2i_array (psf->u.dbuf, readcount, ptr + total, scale) ;
total += readcount ;
if (readcount < bufferlen)
break ;

4
src/float32.c
View File

@ -480,7 +480,6 @@ host_read_f2s (SF_PRIVATE *psf, short *ptr, sf_count_t len)
float scale ;
bufferlen = ARRAY_LEN (psf->u.fbuf) ;
scale = (psf->float_int_mult == 0) ? 1.0 : 0x7FFF / psf->float_max ;
while (len > 0)
@ -509,7 +508,6 @@ host_read_f2i (SF_PRIVATE *psf, int *ptr, sf_count_t len)
float scale ;
bufferlen = ARRAY_LEN (psf->u.fbuf) ;
scale = (psf->float_int_mult == 0) ? 1.0 : 0x7FFFFFFF / psf->float_max ;
while (len > 0)
@ -706,7 +704,6 @@ replace_read_f2s (SF_PRIVATE *psf, short *ptr, sf_count_t len)
float scale ;
bufferlen = ARRAY_LEN (psf->u.fbuf) ;
scale = (psf->float_int_mult == 0) ? 1.0 : 0x7FFF / psf->float_max ;
while (len > 0)
@ -736,7 +733,6 @@ replace_read_f2i (SF_PRIVATE *psf, int *ptr, sf_count_t len)
float scale ;
bufferlen = ARRAY_LEN (psf->u.fbuf) ;
scale = (psf->float_int_mult == 0) ? 1.0 : 0x7FFF / psf->float_max ;
while (len > 0)