<!-- manual page source format generated by PolyglotMan v3.2, --> <!-- available at http://polyglotman.sourceforge.net/ --> <html> <head> <title>IM_COSTRA(3) manual page</title> </head> <body bgcolor='white'> <a href='#toc'>Table of Contents</a><p> <h2><a name='sect0' href='#toc0'>Name</a></h2> im_costra, im_sintra, im_tantra, im_acostra, im_asintra, im_atantra - basic trig functions <h2><a name='sect1' href='#toc1'>Synopsis</a></h2> #include <vips/vips.h> <p> int im_costra(in, out) <br> IMAGE *in, *out; <p> int im_sintra(in, out) <br> IMAGE *in, *out; <p> int im_tantra(in, out) <br> IMAGE *in, *out; <p> int im_acostra(in, out) <br> IMAGE *in, *out; <p> int im_asintra(in, out) <br> IMAGE *in, *out; <p> int im_atantra(in, out) <br> IMAGE *in, *out; <p> <h2><a name='sect2' href='#toc2'>Description</a></h2> Basic trig functions. The input image is mapped through either <a href='cos.3.html'>cos(3)</a> , <a href='sin.3.html'>sin(3)</a> or <a href='tan.3.html'>tan(3)</a> and written to out. All work in degrees. <p> The size and number of bands are unchanged, the output type is float, unless the input is double, in which case the output is double. Non-complex images only! <p> <h2><a name='sect3' href='#toc3'>Return Value</a></h2> Each function returns 0 on success and -1 on error. <h2><a name='sect4' href='#toc4'>See Also</a></h2> <a href='im_add.3.html'>im_add(3)</a> , <a href='im_lintra.3.html'>im_lintra(3)</a> , <a href='im_abs.3.html'>im_abs(3)</a> , <a href='im_mean.3.html'>im_mean(3)</a> , <a href='im_logtra.3.html'>im_logtra(3)</a> <h2><a name='sect5' href='#toc5'>Copyright</a></h2> National Gallery, 1995. <h2><a name='sect6' href='#toc6'>Author</a></h2> J. Cupitt - 21/7/93 <p> <hr><p> <a name='toc'><b>Table of Contents</b></a><p> <ul> <li><a name='toc0' href='#sect0'>Name</a></li> <li><a name='toc1' href='#sect1'>Synopsis</a></li> <li><a name='toc2' href='#sect2'>Description</a></li> <li><a name='toc3' href='#sect3'>Return Value</a></li> <li><a name='toc4' href='#sect4'>See Also</a></li> <li><a name='toc5' href='#sect5'>Copyright</a></li> <li><a name='toc6' href='#sect6'>Author</a></li> </ul> </body> </html>
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