Adding map(), fixing radians() and degrees(), adding cast functions (int(x) instead of (int) x), adding interrupts() and noInterrupts(), etc.
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@ -52,3 +52,7 @@ long random(long howsmall, long howbig)
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return random(diff) + howsmall;
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}
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long map(long x, long in_min, long in_max, long out_min, long out_max)
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{
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return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
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}
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@ -10,8 +10,9 @@
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#ifdef __cplusplus
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#include "HardwareSerial.h"
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// random prototypes
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// WMath prototypes
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long random(long);
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long random(long, long);
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void randomSeed(unsigned int);
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long map(long, long, long, long, long);
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#endif
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@ -44,6 +44,8 @@ extern "C"{
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#define PI 3.14159265
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#define HALF_PI 1.57079
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#define TWO_PI 6.283185
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#define DEG_TO_RAD 0.01745329
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#define RAD_TO_DEG 57.2957786
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#define SERIAL 0x0
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#define DISPLAY 0x1
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@ -55,14 +57,30 @@ extern "C"{
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#define FALLING 2
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#define RISING 3
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// undefine stdlib's abs if encountered
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#ifdef abs
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#undef abs
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#endif
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#define int(x) ((int)(x))
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#define char(x) ((char)(x))
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#define long(x) ((long)(x))
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#define byte(x) ((uint8_t)(x))
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#define float(x) ((float)(x))
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#define boolean(x) ((uint8_t)((x)==0?0:1))
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#define min(a,b) ((a)<(b)?(a):(b))
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#define max(a,b) ((a)>(b)?(a):(b))
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#define abs(x) ((x)>0?(x):-(x))
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#define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt)))
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#define round(x) ((x)>=0?(long)((x)+0.5):(long)((x)-0.5))
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#define radians(deg) ((deg)*DEG_TO_RAD)
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#define degrees(rad) ((rad)*RAD_TO_DEG)
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#define sq(x) ((x)*(x))
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#define interrupts() sei()
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#define noInterrupts() cli()
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#define clockCyclesPerMicrosecond() ( F_CPU / 1000000L )
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#define clockCyclesToMicroseconds(a) ( (a) / clockCyclesPerMicrosecond() )
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