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Fix velocity factor on numeric value input multiple

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Remove comments
Little code optimisation
This commit is contained in:
DiSlord 2020-01-26 20:56:45 +03:00
parent d3f4ef5dc1
commit b10e29c01f
2 changed files with 25 additions and 43 deletions
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35
plot.c
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@ -12,9 +12,6 @@ void frequency_string(char *buf, size_t len, uint32_t freq, char *prefix);
void frequency_string_short(char *buf, size_t len, int32_t freq, char prefix);
void markmap_all_markers(void);
//#define GRID_COLOR 0x0863
//uint16_t grid_color = 0x1084;
/* indicate dirty cells */
uint16_t markmap[2][8];
uint16_t current_mappage = 0;
@ -294,16 +291,16 @@ smith_grid2(int x, int y, float scale)
#endif
const int cirs[][4] = {
{ 0, 58/2, 58/2, 0 }, // Constant Reactance Circle: 2j : R/2 = 58
{ 29/2, 0, 29/2, 1 }, // Constant Resistance Circle: 3 : R/4 = 29
{ 0, 115/2, 115/2, 0 }, // Constant Reactance Circle: 1j : R = 115
{ 58/2, 0, 58/2, 1 }, // Constant Resistance Circle: 1 : R/2 = 58
{ 0, 230/2, 230/2, 0 }, // Constant Reactance Circle: 1/2j : R*2 = 230
{ 86/2, 0, 86/2, 1 }, // Constant Resistance Circle: 1/3 : R*3/4 = 86
{ 0, 460/2, 460/2, 0 }, // Constant Reactance Circle: 1/4j : R*4 = 460
{ 115/2, 0, 115/2, 1 }, // Constant Resistance Circle: 0 : R
{ 173/2, 0, 173/2, 1 }, // Constant Resistance Circle: -1/3 : R*3/2 = 173
{ 0, 0, 0, 0 } // sentinel
{ 0, 58/2, 58/2, 0 }, // Constant Reactance Circle: 2j : R/2 = 58
{ 29/2, 0, 29/2, 1 }, // Constant Resistance Circle: 3 : R/4 = 29
{ 0, 115/2, 115/2, 0 }, // Constant Reactance Circle: 1j : R = 115
{ 58/2, 0, 58/2, 1 }, // Constant Resistance Circle: 1 : R/2 = 58
{ 0, 230/2, 230/2, 0 }, // Constant Reactance Circle: 1/2j : R*2 = 230
{ 86/2, 0, 86/2, 1 }, // Constant Resistance Circle: 1/3 : R*3/4 = 86
{ 0, 460/2, 460/2, 0 }, // Constant Reactance Circle: 1/4j : R*4 = 460
{ 115/2, 0, 115/2, 1 }, // Constant Resistance Circle: 0 : R
{ 173/2, 0, 173/2, 1 }, // Constant Resistance Circle: -1/3 : R*3/2 = 173
{ 0, 0, 0, 0 } // sentinel
};
int
@ -500,18 +497,6 @@ cartesian_scale(float re, float im, int *xp, int *yp, float scale)
float
groupdelay_from_array(int i, float array[POINTS_COUNT][2])
{
/*
if (i == 0) {
float deltaf = frequencies[1] - frequencies[0];
return groupdelay(array[0], array[1], deltaf);
} else if (i == 100) {
float deltaf = frequencies[i] - frequencies[i-1];
return groupdelay(array[i-1], array[i], deltaf);
} else {
float deltaf = frequencies[i+1] - frequencies[i-1];
return groupdelay(array[i-1], array[i+1], deltaf);
}
*/
int bottom = (i == 0) ? 0 : i - 1;
int top = (i == POINTS_COUNT-1) ? POINTS_COUNT-1 : i + 1;
float deltaf = frequencies[top] - frequencies[bottom];