exposurses

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Comment:Try to standardise on a string length

Since it doesn't matter if it's longer.
And I'm only using short strings.

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SHA3-256: 99eba10b76336457898c4ee2c28ed254b7bf2718f97961616cf57f22ad398fe3
User & Date: base@atomicules.co.uk 2013-08-31 07:50:20
Context
2013-09-02
09:29
Actually make it work this time.

See this commit: 8d3e66b5ecffa8bcf7691c3f0600840b934beb1a

I'm such an idiot.

- Remove `set_top_row` when setting the shutter menu to the correct
value. Leaving this in fooled me into thinking I had things working
because I just happened to test on the matching ISO/Aperture values.
Plonker. And then it turns out, there was loads wrong.
- Need to include stdlib.h for `strtod` function, otherwise it uses some
kind of stub function (no complaints in compile or use, but it just
doesn't work).
- Wasn't passing right kind of values to `shutter` anyway! Need to
convert these to numeric
- Need to use `fabs` not `abs` for doubles.
- In `nearest_match` wasn't using the correct arrays, had copied over
`iso_array` and forgotten to change them
- Use `strstr` instead `strchr` as couldn't get the former to work and
was probably the wrong one to be using
- Leave some commented out stuff at the bottom that I've been using for
debugging
- check-in: 68919dca22 user: base@atomicules.co.uk tags: origin/master, trunk

2013-08-31
07:50
Try to standardise on a string length

Since it doesn't matter if it's longer.
And I'm only using short strings. check-in: 99eba10b76 user: base@atomicules.co.uk tags: origin/master, trunk

07:47
Remove extraneous line that came from menu_scroll.c check-in: ed161d4179 user: base@atomicules.co.uk tags: origin/master, trunk
Changes
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Changes to exposurses.c.

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void print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color);
int exposure(int iso);
int selection_counter;
double shutter(int exposure, double aperture);
double aperture(int exposure, int shutter);
int nearest_match(double x, int menu);
double fraction_to_double(char *fraction);

char iso_sel[5] = "";
char shutter_sel[7] = "";
char aperture_sel[6] = "";
int menu_counter = 1;

int main() {
	int c;
	MENU **menu;
	WINDOW **win;
	int n_iso, i;








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void print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color);
int exposure(int iso);
int selection_counter;
double shutter(int exposure, double aperture);
double aperture(int exposure, int shutter);
int nearest_match(double x, int menu);
double fraction_to_double(char *fraction);
/* No one will ever need more than 9 bytes! */
char iso_sel[9] = "";
char shutter_sel[9] = "";
char aperture_sel[9] = "";
int menu_counter = 1;

int main() {
	int c;
	MENU **menu;
	WINDOW **win;
	int n_iso, i;
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	return sqrt(pow(2, exposure) * shutter);
}

int nearest_match (double x, int menu) {
	/* Need to search array for closest match */
	int n;
	int diff_idx = 0;
	char array_value_str[7];
	double array_value_db;
	double diff;

	/* Need a starting value for difference */
	switch(menu) {
		case 1:
			array_value_db = strtod(iso_array[0], NULL);








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	return sqrt(pow(2, exposure) * shutter);
}

int nearest_match (double x, int menu) {
	/* Need to search array for closest match */
	int n;
	int diff_idx = 0;
	char array_value_str[9];
	double array_value_db;
	double diff;

	/* Need a starting value for difference */
	switch(menu) {
		case 1:
			array_value_db = strtod(iso_array[0], NULL);
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			break;
	}
	return diff_idx;
}

double fraction_to_double(char *fraction) {
	double fraction_as_db;
	char denominator[5];
	char *ptr = strchr(fraction, "/");

	if (ptr) {
		/*then split*/
		strncpy(denominator, fraction+2, 5);
		fraction_as_db = 1/strtod(denominator, NULL);
	}
	else {
		fraction_as_db = strtod(fraction, NULL);
	}
return fraction_as_db;
}








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			break;
	}
	return diff_idx;
}

double fraction_to_double(char *fraction) {
	double fraction_as_db;
	char denominator[9];
	char *ptr = strchr(fraction, "/");

	if (ptr) {
		/*then split*/
		strncpy(denominator, fraction+2, 5);
		fraction_as_db = 1/strtod(denominator, NULL);
	}
	else {
		fraction_as_db = strtod(fraction, NULL);
	}
return fraction_as_db;
}

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