Lines Matching refs:data_min
49 * Calculate the data_min and data_max values from the data.
66 header->data_min = DBL_MAX;
77 if (t < header->data_min) \
78 header->data_min = t; \
167 * we can do inverse transformation on data_min and data_max
169 header->data_min = (header->data_min - header->bzero) / header->bscale;
172 if (!header->rgb && header->data_min >= header->data_max) {
173 if (header->data_min > header->data_max) {
174 av_log(avctx, AV_LOG_ERROR, "data min/max (%g %g) is invalid\n", header->data_min, header->data_max);
268 double scale = header.data_max - header.data_min;
283 *dst++ = lrint(((t - header.data_min) * ((1 << (sizeof(type) * 8)) - 1)) * scale); \