Simplify

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 43 insertions, 0 deletions

diff --git a/generate-table.c b/generate-table.c
new file mode 100644
index 0000000..ac89af7
--- /dev/null
+++ b/generate-table.c
@@ -0,0 +1,43 @@
+/* See LICENSE file for copyright and license details. */
+#include "libred.h"
+#include <errno.h>
+#include <math.h>
+#include <string.h>
+#include <stdio.h>
+
+#if __GNUC__
+# pragma GCC diagnostic ignored "-Wfloat-equal"
+#endif
+
+struct xy {double x, y;};
+
+static struct xy xy_table[] = {
+#include "10deg-xy.i"
+};
+
+/* define ciexyy_to_srgb() and adjust_luma() */
+#define LIBRED_COMPILING_PARSER
+#include "blackbody.c"
+
+int
+main(void)
+{
+	long int temp = LIBRED_LOWEST_TEMPERATURE;
+	size_t i, n = sizeof(xy_table) / sizeof(*xy_table);
+	double r, g, b;
+
+	for (i = 0; i < n; i++, temp += LIBRED_DELTA_TEMPERATURE) {
+		if (temp == 6500)
+			r = g = b = 1;
+		else
+			ciexyy_to_srgb(xy_table[i].x, xy_table[i].y, 1, &r, &g, &b);
+		printf("{%a, %a, %a}%s\n", r, g, b, i + 1 == n ? "" : ",");
+	}
+
+	if (fflush(stdout) || ferror(stdout) || fclose(stdout)) {
+		perror(NULL);
+		return -1;
+	}
+
+	return 0;
+}