Unverified Commit 411fba39 authored by Birte Kristina Friesel's avatar Birte Kristina Friesel
Browse files

OutputStream: configurable number of digits

parent 7642abff

include/object/outputstream.h

+3 −1
Original line number Diff line number Diff line
@@ -17,9 +17,10 @@ class OutputStream { 


	char digit_buffer[sizeof(long long) * 8];

	uint8_t base;

	uint8_t ndigits;



 public:

	OutputStream();

	OutputStream() : base(10), ndigits(2) {};



	virtual void put(char c) = 0;
@@ -52,6 +53,7 @@ class OutputStream { 
#endif



	void setBase(uint8_t b);

	void setDigits(uint8_t ndig);

	void printf_uint8(uint8_t num);

	void printf_float(float num);

};

src/object/outputstream.cc

+10 −7
Original line number Diff line number Diff line
@@ -162,6 +162,11 @@ void OutputStream::setBase(uint8_t b) 
	}

}



void OutputStream::setDigits(uint8_t ndig)

{

	ndigits = ndig;

}



static inline char format_hex_nibble(uint8_t num)

{

	if (num > 9) {
@@ -199,8 +204,11 @@ void OutputStream::printf_float(float num) 
	}

	put('0' + ((unsigned int)num % 10));

	put('.');

	put('0' + ((unsigned int)(num * 10) % 10));

	put('0' + ((unsigned int)(num * 100) % 10));

	float mul = 10;

	for (int i = 0; i < ndigits; i++) {

		put('0' + ((unsigned int)(num * mul) % 10));

		mul *= 10;

	}

}



OutputStream & flush(OutputStream & os)
@@ -246,8 +254,3 @@ OutputStream & term(OutputStream & os) 
	os.flush();

	return os;

}
 


OutputStream::OutputStream()

{

    base = 10;

}