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author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /macros/latex/contrib/avremu/test-suite/float.c |
Initial commit
Diffstat (limited to 'macros/latex/contrib/avremu/test-suite/float.c')
-rw-r--r-- | macros/latex/contrib/avremu/test-suite/float.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/macros/latex/contrib/avremu/test-suite/float.c b/macros/latex/contrib/avremu/test-suite/float.c new file mode 100644 index 0000000000..af6a8edebc --- /dev/null +++ b/macros/latex/contrib/avremu/test-suite/float.c @@ -0,0 +1,41 @@ +#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: +**/ |