stuff
This commit is contained in:
John Cupitt
parent
9a7d34fb10
commit
2d9ba8422c
@ -7,7 +7,6 @@ libarithmetic_la_SOURCES = \
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im_avg.c \
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im_point_bilinear.c \
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im_bandmean.c \
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im_costra.c \
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im_cross_phase.c \
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im_deviate.c \
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im_divide.c \
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@ -17,8 +16,6 @@ libarithmetic_la_SOURCES = \
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im_invert.c \
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im_linreg.c \
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im_lintra.c \
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im_log10tra.c \
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im_logtra.c \
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im_maxpos.c \
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im_maxpos_avg.c \
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im_maxpos_vec.c \
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@ -29,9 +26,8 @@ libarithmetic_la_SOURCES = \
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im_remainder.c \
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im_rint.c \
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im_sign.c \
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im_sintra.c \
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math.c \
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im_stats.c \
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im_subtract.c \
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im_tantra.c
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im_subtract.c
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INCLUDES = -I${top_srcdir}/libvips/include @VIPS_CFLAGS@ @VIPS_INCLUDES@
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@ -99,30 +99,6 @@ costra_gen( PEL *in, PEL *out, int width, IMAGE *im )
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}
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}
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/* Do a math (eg. sin(), acos(), log()) type-function. No complex, everything
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* goes to float except double.
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*/
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int
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im__math( const char *name, IMAGE *in, IMAGE *out, im_wrapone_fn gen )
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{
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if( im_piocheck( in, out ) ||
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im_check_uncoded( name, in ) ||
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im_check_noncomplex( name, in ) )
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return( -1 );
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if( im_cp_desc( out, in ) )
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return( -1 );
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if( im_isint( in ) ) {
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out->Bbits = IM_BBITS_FLOAT;
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out->BandFmt = IM_BANDFMT_FLOAT;
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}
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if( im_wrapone( in, out, gen, in, NULL ) )
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return( -1 );
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return( 0 );
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}
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/**
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* im_costra
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* @in: input #IMAGE
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@ -1,124 +0,0 @@
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/* @(#) Find base 10 log of any non-complex image. Output
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* @(#) is always float for integer input and double for double input.
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* @(#)
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* @(#) int
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* @(#) im_log10tra( in, out )
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* @(#) IMAGE *in, *out;
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* @(#)
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* @(#) Returns 0 on success and -1 on error
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* @(#)
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*
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* Copyright: 1990, N. Dessipris, based on im_powtra()
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* Author: Nicos Dessipris
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* Written on: 02/05/1990
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* Modified on:
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* 5/5/93 JC
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* - adapted from im_lintra to work with partial images
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* - incorrect implementation of complex logs removed
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* 1/7/93 JC
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* - adapted for partial v2
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* - ANSIfied
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* 30/8/09
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* - gtkdoc
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* - tiny cleanups
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* - use im__math()
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*/
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/*
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This file is part of VIPS.
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VIPS is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif /*HAVE_CONFIG_H*/
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#include <vips/intl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <vips/vips.h>
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#include <vips/internal.h>
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#ifdef WITH_DMALLOC
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#include <dmalloc.h>
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#endif /*WITH_DMALLOC*/
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/* Define what we do for each band element type. Non-complex input, any
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* output.
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*/
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#define LOG10( IN, OUT ) { \
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IN *p = (IN *) in; \
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OUT *q = (OUT *) out; \
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\
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for( x = 0; x < sz; x++ ) \
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q[x] = log10( p[x] ); \
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}
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/* log10() a buffer of PELs.
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*/
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static void
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log10tra_gen( PEL *in, PEL *out, int width, IMAGE *im )
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{
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const int sz = width * im->Bands;
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int x;
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/* Switch for all input types.
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*/
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switch( im->BandFmt ) {
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case IM_BANDFMT_UCHAR: LOG10( unsigned char, float ); break;
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case IM_BANDFMT_CHAR: LOG10( signed char, float ); break;
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case IM_BANDFMT_USHORT: LOG10( unsigned short, float ); break;
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case IM_BANDFMT_SHORT: LOG10( signed short, float ); break;
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case IM_BANDFMT_UINT: LOG10( unsigned int, float ); break;
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case IM_BANDFMT_INT: LOG10( signed int, float ); break;
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case IM_BANDFMT_FLOAT: LOG10( float, float ); break;
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case IM_BANDFMT_DOUBLE: LOG10( double, double ); break;
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default:
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g_assert( 0 );
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}
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}
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/**
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* im_log10tra
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* @in: input #IMAGE
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* @out: output #IMAGE
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*
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* For each pixel, call <function>log10(3)</function> (base 10 logarithm).
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* The output type is float, unless the input is
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* double, in which case the output is double. Non-complex images only.
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*
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* See also: im_exp10tra(), im_logntra(), im_sintra().
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*
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* Returns: 0 on success, -1 on error
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*/
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int
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im_log10tra( IMAGE *in, IMAGE *out )
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{
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return( im__math( "im_log10tra", in, out,
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(im_wrapone_fn) log10tra_gen ) );
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}
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@ -1,124 +0,0 @@
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/* @(#) Find natural log of any non-complex image. Output
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* @(#) is always float for integer input and double for double input.
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* @(#)
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* @(#) int
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* @(#) im_logtra( in, out )
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* @(#) IMAGE *in, *out;
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* @(#)
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* @(#) Returns 0 on success and -1 on error
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* @(#)
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*
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* Copyright: 1990, N. Dessipris, based on im_powtra()
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* Author: Nicos Dessipris
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* Written on: 02/05/1990
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* Modified on:
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* 5/5/93 JC
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* - adapted from im_lintra to work with partial images
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* - incorrect implementation of complex logs removed
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* 1/7/93 JC
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* - adapted for partial v2
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* - ANSIfied
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* 30/8/09
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* - gtkdoc
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* - tiny cleanups
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* - use im__math()
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*/
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/*
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This file is part of VIPS.
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VIPS is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif /*HAVE_CONFIG_H*/
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#include <vips/intl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <vips/vips.h>
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#include <vips/internal.h>
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#ifdef WITH_DMALLOC
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#include <dmalloc.h>
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#endif /*WITH_DMALLOC*/
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/* Define what we do for each band element type. Non-complex input, any
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* output.
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*/
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#define LOG( IN, OUT ) { \
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IN *p = (IN *) in; \
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OUT *q = (OUT *) out; \
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\
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for( x = 0; x < sz; x++ ) \
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q[x] = log( p[x] ); \
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}
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/* log() a buffer of PELs.
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*/
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static void
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logtra_gen( PEL *in, PEL *out, int width, IMAGE *im )
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{
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const int sz = width * im->Bands;
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int x;
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/* Switch for all input types.
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*/
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switch( im->BandFmt ) {
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case IM_BANDFMT_UCHAR: LOG( unsigned char, float ); break;
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case IM_BANDFMT_CHAR: LOG( signed char, float ); break;
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case IM_BANDFMT_USHORT: LOG( unsigned short, float ); break;
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case IM_BANDFMT_SHORT: LOG( signed short, float ); break;
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case IM_BANDFMT_UINT: LOG( unsigned int, float ); break;
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case IM_BANDFMT_INT: LOG( signed int, float ); break;
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case IM_BANDFMT_FLOAT: LOG( float, float ); break;
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case IM_BANDFMT_DOUBLE: LOG( double, double ); break;
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default:
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g_assert( 0 );
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}
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}
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/**
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* im_logtra
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* @in: input #IMAGE
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* @out: output #IMAGE
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*
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* For each pixel, call <function>log(3)</function> (natural logarithm).
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* The output type is float, unless the input is
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* double, in which case the output is double. Non-complex images only.
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*
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* See also: im_exp10tra(), im_logntra(), im_sintra().
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*
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* Returns: 0 on success, -1 on error
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*/
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int
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im_logtra( IMAGE *in, IMAGE *out )
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{
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return( im__math( "im_logtra", in, out,
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(im_wrapone_fn) logtra_gen ) );
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}
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@ -1,12 +1,4 @@
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/* @(#) Find sin of any non-complex image. Output is always float for integer
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* @(#) input and double for double input. All angles in degrees.
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* @(#)
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* @(#) int
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* @(#) im_sintra( in, out )
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* @(#) IMAGE *in, *out;
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* @(#)
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* @(#) Returns 0 on success and -1 on error
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* @(#)
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/* im_sintra.c
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*
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* Copyright: 1990, N. Dessipris, based on im_powtra()
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* Author: Nicos Dessipris
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@ -1,187 +0,0 @@
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/* @(#) Find tan of any non-complex image. Output is always float for integer
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* @(#) input and double for double input. All angles in degrees.
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* @(#)
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* @(#) int
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* @(#) im_tantra( in, out )
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* @(#) IMAGE *in, *out;
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* @(#)
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* @(#) Returns 0 on success and -1 on error
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* @(#)
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*
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* Copyright: 1990, N. Dessipris, based on im_powtra()
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* Author: Nicos Dessipris
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* Written on: 02/05/1990
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* Modified on:
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* 5/5/93 JC
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* - adapted from im_lintra to work with partial images
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* - incorrect implementation of complex logs removed
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* 1/7/93 JC
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* - adapted for partial v2
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* - ANSIfied
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* 24/2/95 JC
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* - im_logtra() adapted to make im_tantra()
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* - adapted for im_wrapone()
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* 26/1/96 JC
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* - atan() added
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* 30/8/09
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* - gtkdoc
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* - tiny cleanups
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* - use im__math()
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*/
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/*
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This file is part of VIPS.
|
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VIPS is free software; you can redistribute it and/or modify
|
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it under the terms of the GNU Lesser General Public License as published by
|
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the Free Software Foundation; either version 2 of the License, or
|
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(at your option) any later version.
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|
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This program is distributed in the hope that it will be useful,
|
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but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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GNU Lesser General Public License for more details.
|
||||
|
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You should have received a copy of the GNU Lesser General Public License
|
||||
along with this program; if not, write to the Free Software
|
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
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|
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*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif /*HAVE_CONFIG_H*/
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#include <vips/intl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <vips/vips.h>
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#include <vips/internal.h>
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#ifdef WITH_DMALLOC
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#include <dmalloc.h>
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#endif /*WITH_DMALLOC*/
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/* Define what we do for each band element type. Non-complex input, any
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* output.
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*/
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#define TAN( IN, OUT ) { \
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IN *p = (IN *) in; \
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OUT *q = (OUT *) out; \
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\
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for( x = 0; x < sz; x++ ) \
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q[x] = tan( IM_RAD( (double) p[x] ) ); \
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}
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/* tan a buffer of PELs.
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*/
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static void
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tantra_gen( PEL *in, PEL *out, int width, IMAGE *im )
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{
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const int sz = width * im->Bands;
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int x;
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/* Switch for all input types.
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*/
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switch( im->BandFmt ) {
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case IM_BANDFMT_UCHAR: TAN( unsigned char, float ); break;
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case IM_BANDFMT_CHAR: TAN( signed char, float ); break;
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case IM_BANDFMT_USHORT: TAN( unsigned short, float ); break;
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case IM_BANDFMT_SHORT: TAN( signed short, float ); break;
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case IM_BANDFMT_UINT: TAN( unsigned int, float ); break;
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case IM_BANDFMT_INT: TAN( signed int, float ); break;
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case IM_BANDFMT_FLOAT: TAN( float, float ); break;
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case IM_BANDFMT_DOUBLE: TAN( double, double ); break;
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default:
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g_assert( 0 );
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}
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}
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/**
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* im_tantra
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* @in: input #IMAGE
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* @out: output #IMAGE
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*
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* For each pixel, call <function>tan(3)</function> (tangent). Angles are
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* expressed in degrees. The output type is float, unless the input is
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* double, in which case the output is double. Non-complex images only.
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*
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* See also: im_atantra(), im_sintra().
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*
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* Returns: 0 on success, -1 on error
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*/
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int
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im_tantra( IMAGE *in, IMAGE *out )
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{
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return( im__math( "im_tantra", in, out, (im_wrapone_fn) tantra_gen ) );
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}
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/* Define what we do for each band element type. Non-complex input, any
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* output.
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*/
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#define ATAN( IN, OUT ) { \
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IN *p = (IN *) in; \
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OUT *q = (OUT *) out; \
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\
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for( x = 0; x < sz; x++ ) \
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q[x] = IM_DEG( atan( (double) p[x] ) ); \
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}
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/* atan a buffer of PELs.
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*/
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static void
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atantra_gen( PEL *in, PEL *out, int width, IMAGE *im )
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{
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const int sz = width * im->Bands;
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int x;
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/* Switch for all input types.
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*/
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switch( im->BandFmt ) {
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case IM_BANDFMT_UCHAR: ATAN( unsigned char, float ); break;
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case IM_BANDFMT_CHAR: ATAN( signed char, float ); break;
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case IM_BANDFMT_USHORT: ATAN( unsigned short, float ); break;
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case IM_BANDFMT_SHORT: ATAN( signed short, float ); break;
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case IM_BANDFMT_UINT: ATAN( unsigned int, float ); break;
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case IM_BANDFMT_INT: ATAN( signed int, float ); break;
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case IM_BANDFMT_FLOAT: ATAN( float, float ); break;
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case IM_BANDFMT_DOUBLE: ATAN( double, double ); break;
|
||||
|
||||
default:
|
||||
g_assert( 0 );
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* im_atantra
|
||||
* @in: input #IMAGE
|
||||
* @out: output #IMAGE
|
||||
*
|
||||
* For each pixel, call <function>atan(3)</function> (arc or inverse tangent).
|
||||
* Angles are
|
||||
* expressed in degrees. The output type is float, unless the input is
|
||||
* double, in which case the output is double. Non-complex images only.
|
||||
*
|
||||
* See also: im_tantra(), im_sintra().
|
||||
*
|
||||
* Returns: 0 on success, -1 on error
|
||||
*/
|
||||
int
|
||||
im_atantra( IMAGE *in, IMAGE *out )
|
||||
{
|
||||
return( im__math( "im_atantra", in, out,
|
||||
(im_wrapone_fn) atantra_gen ) );
|
||||
}
|
||||
|
||||
326
libvips/arithmetic/math.c
Normal file
326
libvips/arithmetic/math.c
Normal file
@ -0,0 +1,326 @@
|
||||
/* math.c --- call various -lm functions (trig, log etc.) on imags
|
||||
*
|
||||
* Copyright: 1990, N. Dessipris, based on im_powtra()
|
||||
* Author: Nicos Dessipris
|
||||
* Written on: 02/05/1990
|
||||
* Modified on:
|
||||
* 5/5/93 JC
|
||||
* - adapted from im_lintra to work with partial images
|
||||
* - incorrect implementation of complex logs removed
|
||||
* 1/7/93 JC
|
||||
* - adapted for partial v2
|
||||
* - ANSIfied
|
||||
* 24/2/95 JC
|
||||
* - im_logtra() adapted to make im_sintra()
|
||||
* - adapted for im_wrapone()
|
||||
* 26/1/96 JC
|
||||
* - im_asintra() added
|
||||
* 30/8/09
|
||||
* - gtkdoc
|
||||
* - tiny cleanups
|
||||
* - use im__math()
|
||||
* 19/9/09
|
||||
* - im_sintra() adapted to make math.c
|
||||
*/
|
||||
|
||||
/*
|
||||
|
||||
This file is part of VIPS.
|
||||
|
||||
VIPS is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU Lesser General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
|
||||
*/
|
||||
|
||||
/*
|
||||
|
||||
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
|
||||
|
||||
*/
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include <config.h>
|
||||
#endif /*HAVE_CONFIG_H*/
|
||||
#include <vips/intl.h>
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <math.h>
|
||||
|
||||
#include <vips/vips.h>
|
||||
#include <vips/internal.h>
|
||||
|
||||
#ifdef WITH_DMALLOC
|
||||
#include <dmalloc.h>
|
||||
#endif /*WITH_DMALLOC*/
|
||||
|
||||
/* What we do for each band element. Non-complex only.
|
||||
*/
|
||||
#define FUN_LOOP( IN, OUT, FUN ) { \
|
||||
IN *p = (IN *) in; \
|
||||
OUT *q = (OUT *) out; \
|
||||
\
|
||||
for( x = 0; x < ne; x++ ) \
|
||||
q[x] = FUN( (double) p[x] ); \
|
||||
}
|
||||
|
||||
/* Operate on a buffer of PELs
|
||||
*/
|
||||
#define FUN_BUFFER( FUN ) \
|
||||
static void \
|
||||
FUN ## _buffer( PEL *in, PEL *out, int width, IMAGE *im ) \
|
||||
{ \
|
||||
const int ne = width * im->Bands; \
|
||||
\
|
||||
int x; \
|
||||
\
|
||||
/* Switch for all input types. \
|
||||
*/ \
|
||||
switch( im->BandFmt ) { \
|
||||
case IM_BANDFMT_UCHAR: FUN_LOOP( unsigned char, float, FUN ); break; \
|
||||
case IM_BANDFMT_CHAR: FUN_LOOP( signed char, float, FUN ); break; \
|
||||
case IM_BANDFMT_USHORT: FUN_LOOP( unsigned short, float, FUN ); break; \
|
||||
case IM_BANDFMT_SHORT: FUN_LOOP( signed short, float, FUN ); break; \
|
||||
case IM_BANDFMT_UINT: FUN_LOOP( unsigned int, float, FUN ); break; \
|
||||
case IM_BANDFMT_INT: FUN_LOOP( signed int, float, FUN ); break; \
|
||||
case IM_BANDFMT_FLOAT: FUN_LOOP( float, float, FUN ); break; \
|
||||
case IM_BANDFMT_DOUBLE: FUN_LOOP( double, double, FUN ); break; \
|
||||
\
|
||||
default: \
|
||||
g_assert( 0 ); \
|
||||
} \
|
||||
}
|
||||
|
||||
/* Do a math (eg. sin(), acos(), log()) type-function. No complex, everything
|
||||
* goes to float except double.
|
||||
*/
|
||||
int
|
||||
im__math( const char *name, IMAGE *in, IMAGE *out, im_wrapone_fn gen )
|
||||
{
|
||||
if( im_piocheck( in, out ) ||
|
||||
im_check_uncoded( name, in ) ||
|
||||
im_check_noncomplex( name, in ) )
|
||||
return( -1 );
|
||||
|
||||
if( im_cp_desc( out, in ) )
|
||||
return( -1 );
|
||||
if( im_isint( in ) ) {
|
||||
out->Bbits = IM_BBITS_FLOAT;
|
||||
out->BandFmt = IM_BANDFMT_FLOAT;
|
||||
}
|
||||
|
||||
if( im_wrapone( in, out, gen, in, NULL ) )
|
||||
return( -1 );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
/* Sin in degrees.
|
||||
*/
|
||||
#define DSIN( X ) (sin( IM_RAD( X ) ))
|
||||
|
||||
FUN_BUFFER( DSIN )
|
||||
|
||||
/**
|
||||
* im_sintra
|
||||
* @in: input #IMAGE
|
||||
* @out: output #IMAGE
|
||||
*
|
||||
* For each pixel, call <function>sin(3)</function> (sine). Angles are
|
||||
* expressed in degrees. The output type is float, unless the input is
|
||||
* double, in which case the output is double. Non-complex images only.
|
||||
*
|
||||
* See also: im_asintra(), im_costra(), im_tantra().
|
||||
*
|
||||
* Returns: 0 on success, -1 on error
|
||||
*/
|
||||
int
|
||||
im_sintra( IMAGE *in, IMAGE *out )
|
||||
{
|
||||
return( im__math( "im_sintra", in, out, (im_wrapone_fn) DSIN_buffer ) );
|
||||
}
|
||||
|
||||
/* Asin in degrees.
|
||||
*/
|
||||
#define ADSIN( X ) (IM_DEG( asin( X ) ))
|
||||
|
||||
FUN_BUFFER( ADSIN )
|
||||
|
||||
/**
|
||||
* im_asintra
|
||||
* @in: input #IMAGE
|
||||
* @out: output #IMAGE
|
||||
*
|
||||
* For each pixel, call <function>asin(3)</function> (arc, or inverse sine).
|
||||
* Angles are
|
||||
* expressed in degrees. The output type is float, unless the input is
|
||||
* double, in which case the output is double. Non-complex images only.
|
||||
*
|
||||
* See also: im_asintra(), im_costra(), im_tantra().
|
||||
*
|
||||
* Returns: 0 on success, -1 on error
|
||||
*/
|
||||
int
|
||||
im_asintra( IMAGE *in, IMAGE *out )
|
||||
{
|
||||
return( im__math( "im_asintra", in, out,
|
||||
(im_wrapone_fn) ADSIN_buffer ) );
|
||||
}
|
||||
|
||||
/* Cos in degrees.
|
||||
*/
|
||||
#define DCOS( X ) (cos( IM_RAD( X ) ))
|
||||
|
||||
FUN_BUFFER( DCOS )
|
||||
|
||||
/**
|
||||
* im_costra
|
||||
* @in: input #IMAGE
|
||||
* @out: output #IMAGE
|
||||
*
|
||||
* For each pixel, call <function>cos(3)</function> (cosine). Angles are
|
||||
* expressed in degrees. The output type is float, unless the input is
|
||||
* double, in which case the output is double. Non-complex images only.
|
||||
*
|
||||
* See also: im_acostra(), im_sintra(), im_tantra().
|
||||
*
|
||||
* Returns: 0 on success, -1 on error
|
||||
*/
|
||||
int
|
||||
im_costra( IMAGE *in, IMAGE *out )
|
||||
{
|
||||
return( im__math( "im_costra", in, out, (im_wrapone_fn) DCOS_buffer ) );
|
||||
}
|
||||
|
||||
/* Acos in degrees.
|
||||
*/
|
||||
#define ADCOS( X ) (IM_DEG( acos( X ) ))
|
||||
|
||||
FUN_BUFFER( ADCOS )
|
||||
|
||||
/**
|
||||
* im_acostra
|
||||
* @in: input #IMAGE
|
||||
* @out: output #IMAGE
|
||||
*
|
||||
* For each pixel, call <function>acos(3)</function> (arc or inverse cosine).
|
||||
* Angles are expressed in
|
||||
* degrees. The output type is float, unless the input is double, in which
|
||||
* case the output is double. Non-complex images only.
|
||||
*
|
||||
* See also: im_costra(), im_asintra(), im_atantra().
|
||||
*
|
||||
* Returns: 0 on success, -1 on error
|
||||
*/
|
||||
int
|
||||
im_acostra( IMAGE *in, IMAGE *out )
|
||||
{
|
||||
return( im__math( "im_acostra", in, out,
|
||||
(im_wrapone_fn) ADCOS_buffer ) );
|
||||
}
|
||||
|
||||
/* Tan in degrees.
|
||||
*/
|
||||
#define DTAN( X ) (tan( IM_RAD( X ) ))
|
||||
|
||||
FUN_BUFFER( DTAN )
|
||||
|
||||
/**
|
||||
* im_tantra
|
||||
* @in: input #IMAGE
|
||||
* @out: output #IMAGE
|
||||
*
|
||||
* For each pixel, call <function>tan(3)</function> (tangent). Angles are
|
||||
* expressed in degrees. The output type is float, unless the input is
|
||||
* double, in which case the output is double. Non-complex images only.
|
||||
*
|
||||
* See also: im_atantra(), im_sintra(), im_tantra().
|
||||
*
|
||||
* Returns: 0 on success, -1 on error
|
||||
*/
|
||||
int
|
||||
im_tantra( IMAGE *in, IMAGE *out )
|
||||
{
|
||||
return( im__math( "im_tantra", in, out, (im_wrapone_fn) DTAN_buffer ) );
|
||||
}
|
||||
|
||||
/* Atan in degrees.
|
||||
*/
|
||||
#define ADTAN( X ) (IM_DEG( atan( X ) ))
|
||||
|
||||
FUN_BUFFER( ADTAN )
|
||||
|
||||
/**
|
||||
* im_atantra
|
||||
* @in: input #IMAGE
|
||||
* @out: output #IMAGE
|
||||
*
|
||||
* For each pixel, call <function>atan(3)</function> (arc or inverse tangent).
|
||||
* Angles are expressed in
|
||||
* degrees. The output type is float, unless the input is double, in which
|
||||
* case the output is double. Non-complex images only.
|
||||
*
|
||||
* See also: im_tantra(), im_asintra(), im_atantra().
|
||||
*
|
||||
* Returns: 0 on success, -1 on error
|
||||
*/
|
||||
int
|
||||
im_atantra( IMAGE *in, IMAGE *out )
|
||||
{
|
||||
return( im__math( "im_atantra", in, out,
|
||||
(im_wrapone_fn) ADTAN_buffer ) );
|
||||
}
|
||||
|
||||
FUN_BUFFER( log10 )
|
||||
|
||||
/**
|
||||
* im_log10tra
|
||||
* @in: input #IMAGE
|
||||
* @out: output #IMAGE
|
||||
*
|
||||
* For each pixel, call <function>log10(3)</function> (base 10 logarithm).
|
||||
* The output type is float, unless the input is
|
||||
* double, in which case the output is double. Non-complex images only.
|
||||
*
|
||||
* See also: im_exp10tra(), im_logntra(), im_sintra().
|
||||
*
|
||||
* Returns: 0 on success, -1 on error
|
||||
*/
|
||||
int
|
||||
im_log10tra( IMAGE *in, IMAGE *out )
|
||||
{
|
||||
return( im__math( "im_log10tra", in, out,
|
||||
(im_wrapone_fn) log10_buffer ) );
|
||||
}
|
||||
|
||||
FUN_BUFFER( log )
|
||||
|
||||
/**
|
||||
* im_logtra
|
||||
* @in: input #IMAGE
|
||||
* @out: output #IMAGE
|
||||
*
|
||||
* For each pixel, call <function>log(3)</function> (natural logarithm).
|
||||
* The output type is float, unless the input is
|
||||
* double, in which case the output is double. Non-complex images only.
|
||||
*
|
||||
* See also: im_exp10tra(), im_logntra(), im_sintra().
|
||||
*
|
||||
* Returns: 0 on success, -1 on error
|
||||
*/
|
||||
int
|
||||
im_logtra( IMAGE *in, IMAGE *out )
|
||||
{
|
||||
return( im__math( "im_logtra", in, out, (im_wrapone_fn) log_buffer ) );
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user