tarou yamada
Dependents: OBROT_ALL f3rc_3_auto_encode f3rc_3_auto_lintrace_912 EMG_Realtime_Filter ... more
Math.cpp@0:067c036b09e0, 2015-10-14 (annotated)
- Committer:
- inst
- Date:
- Wed Oct 14 03:55:49 2015 +0000
- Revision:
- 0:067c036b09e0
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| inst | 0:067c036b09e0 | 1 | #include "Math.h" |
| inst | 0:067c036b09e0 | 2 | #include "mbed.h" |
| inst | 0:067c036b09e0 | 3 | |
| inst | 0:067c036b09e0 | 4 | const float gPI = 3.1415926536f; |
| inst | 0:067c036b09e0 | 5 | |
| inst | 0:067c036b09e0 | 6 | float convertRange( float in, float oldMin, float oldMax, float newMin, float newMax ){ |
| inst | 0:067c036b09e0 | 7 | return ( in - oldMin ) * ( newMax - newMin ) / ( oldMax - oldMin ) + newMin; |
| inst | 0:067c036b09e0 | 8 | } |
| inst | 0:067c036b09e0 | 9 | |
| inst | 0:067c036b09e0 | 10 | float convertRangePlusMinusPi( float deg ){ |
| inst | 0:067c036b09e0 | 11 | while ( ( deg > gPI ) || ( deg < -gPI ) ){ |
| inst | 0:067c036b09e0 | 12 | while ( deg > gPI ){ |
| inst | 0:067c036b09e0 | 13 | deg -= 2.0f * gPI; |
| inst | 0:067c036b09e0 | 14 | } |
| inst | 0:067c036b09e0 | 15 | while ( deg < -gPI ){ |
| inst | 0:067c036b09e0 | 16 | deg += 2.0f * gPI; |
| inst | 0:067c036b09e0 | 17 | } |
| inst | 0:067c036b09e0 | 18 | } |
| inst | 0:067c036b09e0 | 19 | |
| inst | 0:067c036b09e0 | 20 | return deg; |
| inst | 0:067c036b09e0 | 21 | } |
| inst | 0:067c036b09e0 | 22 | |
| inst | 0:067c036b09e0 | 23 | bool isNear( float a, float b, float error ){ |
| inst | 0:067c036b09e0 | 24 | return ( abs( a - b ) < error ); |
| inst | 0:067c036b09e0 | 25 | } |