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/* Test %f format specifier */
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "pub_core_basics.h"
#include "pub_core_libcbase.h"
#include "pub_core_libcassert.h"
#include "pub_core_libcprint.h"
#undef vg_assert
#define vg_assert(e) assert(e)
#undef vg_assert2
#define vg_assert2(e, fmt, args...) assert(e)
#include "coregrind/m_debuglog.c"
void run(const char *format, ...)
{
int n, num_stars;
const char *p;
printf_buf buf;
va_list vargs;
// Count number of '*' in format
num_stars = 0;
for (p = format; *p; ++p)
if (*p == '*') ++num_stars;
va_start(vargs, format);
fprintf(stderr, "%s\tprintf = ", format);
n = vfprintf(stderr, format, vargs);
fprintf(stderr, "\twrote %3d chars\n", n);
va_end(vargs);
buf.n = 0;
buf.buf[0] = 0;
fprintf(stderr, "%s\tdebuglog = ", format);
va_start(vargs, format);
n = VG_(debugLog_vprintf)(add_to_buf, &buf, format, vargs);
va_end(vargs);
emit(buf.buf, strlen(buf.buf));
fprintf(stderr, "\twrote %3d chars\n", n);
}
int main(int argc, char *argv[])
{
double value;
fprintf(stderr, "...testing value 0\n");
value = 0.0;
run("|%f|", value);
run("|%2f|", value);
run("|%9f|", value);
run("|%8.0f|", value);
run("|%8.1f|", value);
run("|%8.2f|", value);
fprintf(stderr, "\n");
fprintf(stderr, "...testing value 3.7 (with rounding)\n");
value = 3.7;
run("|%f|", value);
run("|%4f|", value);
run("|%9f|", value);
run("|%4.0f|", value);
run("|%4.1f|", value);
run("|%4.2f|", value);
fprintf(stderr, "\n");
fprintf(stderr, "...testing value 123.01\n");
value = 123.01;
run("|%f|", value);
run("|%4f|", value);
run("|%9f|", value);
run("|%8.0f|", value);
run("|%8.1f|", value);
run("|%8.2f|", value);
run("|%8.3f|", value);
fprintf(stderr, "\n");
fprintf(stderr, "...testing value 3.0019 (with rounding)\n");
value = 3.0019;
run("|%f|", value);
run("|%10f|", value);
run("|%10.0f|", value);
run("|%10.3f|", value);
run("|%10.4f|", value);
run("|%.4f|", value);
run("|%.9f|", value);
fprintf(stderr, "\n");
fprintf(stderr, "...testing value -123.456 (with rounding)\n");
value = -123.456;
run("|%f|", value);
run("|%10f|", value);
run("|%10.0f|", value);
run("|%10.1f|", value);
run("|%10.2f|", value);
run("|%10.3f|", value);
run("|%10.4f|", value);
run("|%10.5f|", value);
run("|%.4f|", value);
fprintf(stderr, "\n");
fprintf(stderr, "...testing value = -123.456 width = '*'\n");
value = -123.456;
run("|%*f|", 10, value);
run("|%*f|", 2, value);
run("|%*f.1|", 10, value);
fprintf(stderr, "\n");
fprintf(stderr, "...testing precision = '*'\n");
value = -123.456;
run("|%.*f|", 10, value);
run("|%.*f|", 2, value);
run("|%10.*f|", 2, value);
fprintf(stderr, "\n");
fprintf(stderr, "...testing width/precision = '*'\n");
value = -123.456;
run("|%*.*f|", 20, 5, value);
run("|%*.*f|", 1, 4, value);
fprintf(stderr, "\n");
fprintf(stderr, "...testing left justification\n");
value = 3.1415;
run("|%10f|", value);
run("|%-10f|", value);
fprintf(stderr, "\n");
fprintf(stderr, "...testing strings\n");
const char *str = "abcd";
run("|%s|", str);
run("|%9s|", str);
run("|%-9s|", str);
run("|%*s|", 6, str);
fprintf(stderr, "\n");
fprintf(stderr, "...testing integers\n");
long long ival = -1004005;
run("|%lld|", ival);
// runint("|%'lld|", ival); // locale specific (LC_NUMERIC)
run("|%15lld|", ival);
run("|%-15lld|", ival);
// runint("|%'-15lld|", ival); // locale specific (LC_NUMERIC)
run("|%100lld|", ival);
run("|%*lld|", 13, ival);
value = 0.99685224;
run("|%3.0f|", value);
run("|%3.1f|", value);
run("|%3.2f|", value);
run("|%3.3f|", value);
run("|%3.4f|", value);
run("|%3.5f|", value);
return 0;
}
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