lazuriteでmath.h

概要

lazuriteでmath.hやってみた。
doubleは、8バイトだ。

サンプルコード

#include "math0_ide.h"      // Additional Header
#include <math.h>

#define PI        3.14159265
void func0()
{
    Serial.print("\nVarious Math Functions\n");
    Serial.print("the abs of -20 is = ");
    Serial.println_long(abs(-20), DEC);
    Serial.print("the fabs of -12.1 is = ");
    Serial.println_long(fabs(-12.1), DEC);
    Serial.print("the ceil of 12.1 is = ");
    Serial.println_long(ceil(12.1), DEC);
    Serial.print("the floor of 20.9 is = ");
    Serial.println_long(floor(20.9), DEC);
    Serial.print("the fmod of 120 is = ");
    Serial.println_long(fmod(120, 5), DEC);
    Serial.println("the trunc of -20.02 is = ");
    //Serial.println_long(trunc(-20.02), DEC);
}
void func1()
{
    Serial.print("\nExponential, Logarithmic, and Power Functions\n");
    Serial.print("the exp of 4 is = ");
    Serial.println_long(exp(4), DEC);
    Serial.print("the ldexp of 4 is = ");
    Serial.println_long(ldexp(4, 2), DEC);
    Serial.print("the log2 of 1000000 is = ");
    //Serial.println_long(log2(1000000), DEC);
    Serial.print("the log10 of 1000000 is = ");
    Serial.println_long(log10(1000000), DEC);
    //Serial.println("the modf of 8.12345 is = ");
    //double x,
    //  fractpart,
    //  intpart;
    //fractpart = modf(8.12345, &intpart);
    //Serial.print("    Integral part = ");
    //Serial.println(intpart);
    //Serial.print("    Fraction Part = ");
    //Serial.println(modf(8.12345, &intpart));
    Serial.print("the pow of 10 is = ");
    Serial.println_long(pow(10, 2), DEC);
    Serial.print("the sqrt of 36 is = ");
    Serial.println_long(sqrt(36), DEC);
}
void func2()
{
    Serial.print("\nTrigonometic Functions\n");
    Serial.print("the cos of 16 is = ");
    Serial.println_long(cos(16), DEC);
    Serial.print("The acos of 0.9 is = degrees ");
    Serial.println_long(acos(0.9) * (180.0 / PI), DEC);
    Serial.print("the cosh of 16 is = ");
    Serial.println_long(cosh(16), DEC);
    Serial.print("the sin of 16 is = ");
    Serial.println_long(sin(16), DEC);
    Serial.print("the sinh of 16 is = ");
    Serial.println_long(sinh(16), DEC);
    Serial.print("The asin of 0.9 is = degrees ");
    Serial.println_long(asin(0.9) * (180.0 / PI), DEC);
    Serial.print("the tan of 4 is = ");
    Serial.println_long(tan(4), DEC);
    Serial.print("the atan of 4 is = ");
    Serial.println_long(atan(4), DEC);
    Serial.print("the atan2 of 4 is = ");
    Serial.println_long(atan2(4, 2), DEC);
}
void size()
{
    Serial.print("\nSizeof\n");
    Serial.print("Bytes per char: ");
    Serial.println_long((int) sizeof(char), DEC);
    Serial.print("Bytes per unsigned char: ");
    Serial.println_long((int) sizeof(unsigned char), DEC);
    Serial.print("Bytes per short:  ");
    Serial.println_long((int) sizeof(short), DEC);
    Serial.print("Bytes per unsigned short: ");
    Serial.println_long((int) sizeof(unsigned short), DEC);
    Serial.print("Bytes per int: ");
    Serial.println_long((int) sizeof(int), DEC);
    Serial.print("Bytes per unsigned int: ");
    Serial.println_long((int) sizeof(unsigned int), DEC);
    Serial.print("Bytes per long: ");
    Serial.println_long((int) sizeof(long), DEC);
    Serial.print("Bytes per unsigned long: ");
    Serial.println_long((int) sizeof(unsigned long), DEC);
    Serial.print("Bytes per size_t: ");
    Serial.println_long((int) sizeof(size_t), DEC);
    Serial.print("Bytes per float: ");
    Serial.println_long((int) sizeof(float), DEC);
    Serial.print("Bytes per double: ");
    Serial.println_long((int) sizeof(double), DEC);
    Serial.print("Bytes per long double: ");
    Serial.println_long((int) sizeof(long double), DEC);
    Serial.print("Bytes per pointer: ");
    Serial.println_long((int) sizeof(void *), DEC);
}
void setup()
{
    Serial.begin(115200);
    Serial.println("ok");
    size();
    func0();
    func1();
    func2();
}
void loop()
{
    delay(5000);
}

結果

ok

Sizeof
Bytes per char: 1
Bytes per unsigned char: 1
Bytes per short:    2
Bytes per unsigned short: 2
Bytes per int: 2
Bytes per unsigned int: 2
Bytes per long: 4
Bytes per unsigned long: 4
Bytes per size_t: 2
Bytes per float: 4
Bytes per double: 8
Bytes per long double: 8
Bytes per pointer: 2

Various Math Functions
the abs of -20 is = 20
the fabs of -12.1 is = 12
the ceil of 12.1 is = 13
the floor of 20.9 is = 20
the fmod of 120 is = 0
the trunc of -20.02 is = 

Exponential, Logarithmic, and Power Functions
the exp of 4 is = 54
the ldexp of 4 is = 16
the log2 of 1000000 is = the log10 of 1000000 is = 6
the pow of 10 is = 100
the sqrt of 36 is = 6

Trigonometic Functions
the cos of 16 is = 0
The acos of 0.9 is = degrees 25
the cosh of 16 is = 4443055
the sin of 16 is = 0
the sinh of 16 is = 4443055
The asin of 0.9 is = degrees 64
the tan of 4 is = 1
the atan of 4 is = 1
the atan2 of 4 is = 1

以上。