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Fixed comparison of float values to NaN

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This commit is contained in:
Max Matveev 2017-04-09 20:28:46 +02:00
parent e48a52a530
commit 2031fb913b
1 changed files with 7 additions and 7 deletions
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14
Marlin/Marlin_main.cpp
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@ -2400,7 +2400,7 @@ static void clean_up_after_endstop_or_probe_move() {
for (uint8_t x = 0; x < sx; x++) { for (uint8_t x = 0; x < sx; x++) {
SERIAL_PROTOCOLCHAR(' '); SERIAL_PROTOCOLCHAR(' ');
const float offset = fn(x, y); const float offset = fn(x, y);
if (offset != NAN) { if (!isnan(offset)) {
if (offset >= 0) SERIAL_PROTOCOLCHAR('+'); if (offset >= 0) SERIAL_PROTOCOLCHAR('+');
SERIAL_PROTOCOL_F(offset, precision); SERIAL_PROTOCOL_F(offset, precision);
} }
@ -2452,7 +2452,7 @@ static void clean_up_after_endstop_or_probe_move() {
SERIAL_CHAR(']'); SERIAL_CHAR(']');
} }
#endif #endif
if (bed_level_grid[x][y] != NAN) { if (!isnan(bed_level_grid[x][y])) {
#if ENABLED(DEBUG_LEVELING_FEATURE) #if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM(" (done)"); if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM(" (done)");
#endif #endif
@ -2466,9 +2466,9 @@ static void clean_up_after_endstop_or_probe_move() {
c1 = bed_level_grid[x + xdir][y + ydir], c2 = bed_level_grid[x + xdir * 2][y + ydir * 2]; c1 = bed_level_grid[x + xdir][y + ydir], c2 = bed_level_grid[x + xdir * 2][y + ydir * 2];
// Treat far unprobed points as zero, near as equal to far // Treat far unprobed points as zero, near as equal to far
if (a2 == NAN) a2 = 0.0; if (a1 == NAN) a1 = a2; if (isnan(a2)) a2 = 0.0; if (isnan(a1)) a1 = a2;
if (b2 == NAN) b2 = 0.0; if (b1 == NAN) b1 = b2; if (isnan(b2)) b2 = 0.0; if (isnan(b1)) b1 = b2;
if (c2 == NAN) c2 = 0.0; if (c1 == NAN) c1 = c2; if (isnan(c2)) c2 = 0.0; if (isnan(c1)) c1 = c2;
const float a = 2 * a1 - a2, b = 2 * b1 - b2, c = 2 * c1 - c2; const float a = 2 * a1 - a2, b = 2 * b1 - b2, c = 2 * c1 - c2;
@ -4498,7 +4498,7 @@ inline void gcode_G28() {
measured_z = probe_pt(xProbe, yProbe, stow_probe_after_each, verbose_level); measured_z = probe_pt(xProbe, yProbe, stow_probe_after_each, verbose_level);
if (measured_z == NAN) { if (isnan(measured_z)) {
planner.abl_enabled = abl_should_enable; planner.abl_enabled = abl_should_enable;
return; return;
} }
@ -4534,7 +4534,7 @@ inline void gcode_G28() {
measured_z = points[i].z = probe_pt(xProbe, yProbe, stow_probe_after_each, verbose_level); measured_z = points[i].z = probe_pt(xProbe, yProbe, stow_probe_after_each, verbose_level);
} }
if (measured_z == NAN) { if (isnan(measured_z)) {
planner.abl_enabled = abl_should_enable; planner.abl_enabled = abl_should_enable;
return; return;
} }