sergiotarxz/libvips
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Merge remote-tracking branch 'origin/7.28'

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Conflicts:
	ChangeLog
	configure.in
This commit is contained in:
John Cupitt 2012-04-06 12:15:52 +01:00
commit 2b67f3e6c4
2 changed files with 16 additions and 10 deletions
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3
ChangeLog
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@ -5,6 +5,9 @@
rounding down (thanks Nicolas)
- add dzsave, save in deep zoom format
6/4/12 started 7.28.3
- vips_divide() failed for int arguments
13/3/12 started 7.28.2
- xres/yres tiffsave args were broken

23
libvips/arithmetic/divide.c
View File

@ -30,6 +30,9 @@
* - rewrite as a class
* 22/2/12
* - avoid /0 for complex as well
* 6/4/12
* - fixed switch cases
* - fixed int operands with <1 result
*/
/*
@ -150,7 +153,7 @@ G_DEFINE_TYPE( VipsDivide, vips_divide, VIPS_TYPE_BINARY );
#endif /* USE_MODARG_DIV */
/* Real divide.
/* Real divide. Cast in to OUT before divide so we work for float output.
*/
#define RLOOP( IN, OUT ) { \
IN *left = (IN *) in[0]; \
@ -158,10 +161,10 @@ G_DEFINE_TYPE( VipsDivide, vips_divide, VIPS_TYPE_BINARY );
OUT *q = (OUT *) out; \
\
for( x = 0; x < sz; x++ ) \
if( right[x] == 0.0 ) \
if( right[x] == 0 ) \
q[x] = 0; \
else \
q[x] = left[x] / right[x]; \
q[x] = (OUT) left[x] / (OUT) right[x]; \
}
static void
@ -177,12 +180,12 @@ vips_divide_buffer( VipsArithmetic *arithmetic,
* below.
*/
switch( vips_image_get_format( im ) ) {
case VIPS_FORMAT_CHAR: RLOOP( signed char, signed short ); break;
case VIPS_FORMAT_UCHAR: RLOOP( unsigned char, signed short ); break;
case VIPS_FORMAT_SHORT: RLOOP( signed short, signed int ); break;
case VIPS_FORMAT_USHORT:RLOOP( unsigned short, signed int ); break;
case VIPS_FORMAT_INT: RLOOP( signed int, signed int ); break;
case VIPS_FORMAT_UINT: RLOOP( unsigned int, signed int ); break;
case VIPS_FORMAT_CHAR: RLOOP( signed char, float ); break;
case VIPS_FORMAT_UCHAR: RLOOP( unsigned char, float ); break;
case VIPS_FORMAT_SHORT: RLOOP( signed short, float ); break;
case VIPS_FORMAT_USHORT: RLOOP( unsigned short, float ); break;
case VIPS_FORMAT_INT: RLOOP( signed int, float ); break;
case VIPS_FORMAT_UINT: RLOOP( unsigned int, float ); break;
case VIPS_FORMAT_FLOAT: RLOOP( float, float ); break;
case VIPS_FORMAT_DOUBLE: RLOOP( double, double ); break;
@ -235,7 +238,7 @@ vips_divide_init( VipsDivide *divide )
}
/**
* vips_divide::
* vips_divide:
* @in1: input image 1
* @in2: input image 2
* @out: output image