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chore: store velocity factor in float

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TT 2020-01-18 13:03:38 +09:00
parent c4495b6d58
commit e1ba0c77f0
4 changed files with 20 additions and 16 deletions
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6
plot.c
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@ -636,7 +636,7 @@ format_smith_value(char *buf, int len, const float coeff[2], uint32_t frequency)
float zi = 2*coeff[1] * d;
int n;
switch (uistat.marker_smith_format) {
switch (marker_smith_format) {
case MS_LIN:
chsnprintf(buf, len, "%.2f %.1f" S_DEGREE, linear(coeff), phase(coeff));
break;
@ -829,7 +829,7 @@ static float time_of_index(int idx) {
static float distance_of_index(int idx) {
#define SPEED_OF_LIGHT 299792458
float distance = ((float)idx * (float)SPEED_OF_LIGHT) / ( (float)(frequencies[1] - frequencies[0]) * (float)FFT_SIZE * 2.0);
return distance * (velocity_factor / 100.0);
return distance * velocity_factor;
}
@ -1687,7 +1687,7 @@ cell_draw_marker_info(int m, int n, int w, int h)
cell_drawstring_5x7(w, h, buf, xpos, ypos, 0xffff);
xpos += n * 5 + 5;
float light_speed_ps = 299792458e-12; //(m/ps)
string_value_with_prefix(buf, sizeof buf, electrical_delay * light_speed_ps * velocity_factor / 100.0, 'm');
string_value_with_prefix(buf, sizeof buf, electrical_delay * light_speed_ps * velocity_factor, 'm');
cell_drawstring_5x7(w, h, buf, xpos, ypos, 0xffff);
}
}