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IM_COSTRA

IM_COSTRA

Section: C Library Functions (3) Updated: 24 April 1991
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NAME

im_costra, im_sintra, im_tantra, im_acostra, im_asintra, im_atantra - basic trig functions  

SYNOPSIS

#include <vips/vips.h>

int im_costra(in, out)
IMAGE *in, *out;

int im_sintra(in, out)
IMAGE *in, *out;

int im_tantra(in, out)
IMAGE *in, *out;

int im_acostra(in, out)
IMAGE *in, *out;

int im_asintra(in, out)
IMAGE *in, *out;

int im_atantra(in, out)
IMAGE *in, *out;

 

DESCRIPTION

Basic trig functions. The input image is mapped through either cos(3), sin(3) or tan(3) and written to out. All work in degrees.

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!

 

RETURN VALUE

Each function returns 0 on success and -1 on error.  

SEE ALSO

im_add(3), im_lintra(3), im_abs(3), im_mean(3), im_logtra(3)  

COPYRIGHT

National Gallery, 1995.  

AUTHOR

J. Cupitt - 21/7/93


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
SEE ALSO
COPYRIGHT
AUTHOR

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