Lines Matching refs:exponent
189 /* First get the default value for our display-system exponent, i.e.,
190 * the product of the CRT exponent and the exponent corresponding to
199 /* third-party utilities can modify the default LUT exponent */
239 double exponent = atof(p);
241 if (exponent > 0.0)
242 default_gamma = 1.0 / exponent;
407 " exp \ttransfer-function exponent (``gamma'') of the image in\n"
410 "\t\t inverse of display-system exponent, i.e., 1 / (LUT * CRT)\n"
411 "\t\t (where LUT = lookup-table exponent and CRT = CRT exponent;\n"