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#include <avr/io.h>
#include <stdio.h>
static int uart_putchar(char c, FILE *stream);
static FILE mystdout = FDEV_SETUP_STREAM(uart_putchar, NULL,
_FDEV_SETUP_WRITE);
static int
uart_putchar(char c, FILE *stream)
{
UDR = c;
return 0;
}
volatile uint16_t xxx = 65;
int
main(void)
{
stdout = &mystdout;
volatile float a = 0.23;
volatile float b = 0.43;
printf("%.2f", 1/ (a * b * 3));
asm volatile("break;");
return 0;
}
/**
check-name: Calculate with floats
compiler-opts: -Wl,-u,vfprintf -lm -lprintf_flt
check-start:
\avr@instr@stepn{100000}
\avr@test@UDR{3.37}
check-end:
**/
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