Fix parser temperature rounding

thinkyhead · thinkyhead · commit 3678347d3a0d · 2021-05-02T15:51:49.000-05:00
diff --git a/Marlin/src/gcode/parser.h b/Marlin/src/gcode/parser.h
@@ -367,11 +367,11 @@ class GCodeParser {
       float f = value_float();
       switch (input_temp_units) {
         default:
-        case TEMPUNIT_C: break;
+        case TEMPUNIT_C: return f; break;
         case TEMPUNIT_K: f -= 273.15f;
         case TEMPUNIT_F: f = (f - 32) * 0.5555555556f;
       }
-      return LROUND(f + 0.5f);
+      return LROUND(f);
     }
 
     static inline celsius_t value_celsius_diff() {
@@ -382,7 +382,7 @@ class GCodeParser {
         case TEMPUNIT_K: break;
         case TEMPUNIT_F: f *= 0.5555555556f;
       }
-      return LROUND(f + 0.5f);
+      return LROUND(f);
     }
 
   #else // !TEMPERATURE_UNITS_SUPPORT

Original file line number	Diff line number	Diff line change
`@@ -367,11 +367,11 @@ class GCodeParser {`
`367`	`367`	`float f = value_float();`
`368`	`368`	`switch (input_temp_units) {`
`369`	`369`	`default:`
`370`		`- case TEMPUNIT_C: break;`
	`370`	`+ case TEMPUNIT_C: return f; break;`
`371`	`371`	`case TEMPUNIT_K: f -= 273.15f;`
`372`	`372`	`case TEMPUNIT_F: f = (f - 32) * 0.5555555556f;`
`373`	`373`	`}`
`374`		`- return LROUND(f + 0.5f);`
	`374`	`+ return LROUND(f);`
`375`	`375`	`}`
`376`	`376`
`377`	`377`	`static inline celsius_t value_celsius_diff() {`
`@@ -382,7 +382,7 @@ class GCodeParser {`
`382`	`382`	`case TEMPUNIT_K: break;`
`383`	`383`	`case TEMPUNIT_F: f *= 0.5555555556f;`
`384`	`384`	`}`
`385`		`- return LROUND(f + 0.5f);`
	`385`	`+ return LROUND(f);`
`386`	`386`	`}`
`387`	`387`
`388`	`388`	`#else // !TEMPERATURE_UNITS_SUPPORT`