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-rw-r--r--mpfr/tests/tcmp2.c102
1 files changed, 62 insertions, 40 deletions
diff --git a/mpfr/tests/tcmp2.c b/mpfr/tests/tcmp2.c
index b8e557d58..691afa933 100644
--- a/mpfr/tests/tcmp2.c
+++ b/mpfr/tests/tcmp2.c
@@ -54,10 +54,11 @@ set_bit (mpfr_t x, unsigned int n, int b)
mpfr_cmp2 (x, y) returns 1 + |u| + |v| + k for low(x) >= low(y),
and 1 + |u| + |v| + k + 1 otherwise */
void
-worst_cases ()
+worst_cases (void)
{
mpfr_t x, y;
- unsigned int i, j, k, l, b, expected;
+ unsigned int i, j, k, b, expected;
+ mp_prec_t l;
mpfr_init2 (x, 200);
mpfr_init2 (y, 200);
@@ -68,24 +69,26 @@ worst_cases ()
mpfr_set_ui (x, 1, GMP_RNDN);
mpfr_div_2exp (y, y, 1, GMP_RNDN); /* y = 1/2^i */
- if ((l = mpfr_cmp2 (x, y)) != 1)
+ l = 0;
+ if (mpfr_cmp2 (x, y, &l) <= 0 || l != 1)
{
fprintf (stderr, "Error in mpfr_cmp2:\nx=");
mpfr_out_str (stderr, 2, 0, x, GMP_RNDN);
fprintf (stderr, "\ny=");
mpfr_out_str (stderr, 2, 0, y, GMP_RNDN);
- fprintf (stderr, "\ngot %u instead of %u\n", l, 1);
+ fprintf (stderr, "\ngot %lu instead of %u\n", l, 1);
exit(1);
}
mpfr_add (x, x, y, GMP_RNDN); /* x = 1 + 1/2^i */
- if ((l = mpfr_cmp2 (x, y)) != 0)
+ l = 0;
+ if (mpfr_cmp2 (x, y, &l) <= 0 || l != 0)
{
fprintf (stderr, "Error in mpfr_cmp2:\nx=");
mpfr_out_str (stderr, 2, 0, x, GMP_RNDN);
fprintf (stderr, "\ny=");
mpfr_out_str (stderr, 2, 0, y, GMP_RNDN);
- fprintf (stderr, "\ngot %u instead of %u\n", l, 0);
+ fprintf (stderr, "\ngot %lu instead of %u\n", l, 0);
exit(1);
}
}
@@ -110,7 +113,7 @@ worst_cases ()
set_bit (x, i + j + k + 2, 1);
set_bit (y, i + j + k + 2, 0);
- l = mpfr_cmp2 (x, y);
+ l = 0; mpfr_cmp2 (x, y, &l);
expected = i + j + k + 1;
if (l != expected)
{
@@ -118,14 +121,14 @@ worst_cases ()
mpfr_out_str (stderr, 2, 0, x, GMP_RNDN);
fprintf (stderr, "\ny=");
mpfr_out_str (stderr, 2, 0, y, GMP_RNDN);
- fprintf (stderr, "\ngot %u instead of %u\n", l, expected);
+ fprintf (stderr, "\ngot %lu instead of %u\n", l, expected);
exit(1);
}
set_bit (x, i + j + k + 2, 0);
set_bit (x, i + j + k + 3, 0);
set_bit (y, i + j + k + 3, 1);
- l = mpfr_cmp2 (x, y);
+ l = 0; mpfr_cmp2 (x, y, &l);
expected = i + j + k + 2;
if (l != expected)
{
@@ -133,7 +136,7 @@ worst_cases ()
mpfr_out_str (stderr, 2, 0, x, GMP_RNDN);
fprintf (stderr, "\ny=");
mpfr_out_str (stderr, 2, 0, y, GMP_RNDN);
- fprintf (stderr, "\ngot %u instead of %u\n", l, expected);
+ fprintf (stderr, "\ngot %lu instead of %u\n", l, expected);
exit(1);
}
}
@@ -148,7 +151,7 @@ void
tcmp2 (double x, double y, int i)
{
mpfr_t xx, yy;
- int j;
+ mp_prec_t j;
if (i==-1) {
if (x==y) i=53;
@@ -157,22 +160,35 @@ tcmp2 (double x, double y, int i)
mpfr_init2(xx, 53); mpfr_init2(yy, 53);
mpfr_set_d (xx, x, GMP_RNDN);
mpfr_set_d (yy, y, GMP_RNDN);
- j = mpfr_cmp2 (xx, yy);
- if (j != i) {
+ j = 0;
+ if (mpfr_cmp2 (xx, yy, &j) == 0)
+ {
+ if (x != y)
+ {
+ fprintf (stderr, "Error in mpfr_cmp2 for\nx=");
+ mpfr_out_str (stderr, 2, 0, xx, GMP_RNDN);
+ fprintf (stderr, "\ny=");
+ mpfr_out_str (stderr, 2, 0, yy, GMP_RNDN);
+ fprintf (stderr, "\ngot sign 0 for x != y\n");
+ exit(1);
+ }
+ }
+ else if (j != i) {
fprintf (stderr, "Error in mpfr_cmp2 for\nx=");
mpfr_out_str (stderr, 2, 0, xx, GMP_RNDN);
fprintf (stderr, "\ny=");
mpfr_out_str (stderr, 2, 0, yy, GMP_RNDN);
- fprintf (stderr, "\ngot %u instead of %u\n", j, i);
+ fprintf (stderr, "\ngot %lu instead of %u\n", j, i);
exit(1);
}
mpfr_clear(xx); mpfr_clear(yy);
}
-void special ()
+void
+special (void)
{
mpfr_t x, y;
- int j;
+ mp_prec_t j;
mpfr_init (x); mpfr_init (y);
@@ -181,37 +197,40 @@ void special ()
mpfr_set_prec (y, 65);
mpfr_set_str_raw (x, "0.10000000000000000000000000000000000001110010010110100110011110000E1");
mpfr_set_str_raw (y, "0.11100100101101001100111011111111110001101001000011101001001010010E-35");
- if ((j = mpfr_cmp2 (x, y)) != 1) {
+ j = 0;
+ if (mpfr_cmp2 (x, y, &j) <= 0 || j != 1) {
printf ("Error in mpfr_cmp2:\n");
printf ("x=");
- mpfr_print_raw (x);
+ mpfr_print_binary (x);
putchar ('\n');
printf ("y=");
- mpfr_print_raw (y);
+ mpfr_print_binary (y);
putchar ('\n');
- printf ("got %d, expected 1\n", j);
+ printf ("got %lu, expected 1\n", j);
exit (1);
}
mpfr_set_prec(x, 127); mpfr_set_prec(y, 127);
mpfr_set_str_raw(x, "0.1011010000110111111000000101011110110001000101101011011110010010011110010000101101000010011001100110010000000010110000101000101E6");
mpfr_set_str_raw(y, "0.1011010000110111111000000101011011111100011101000011001111000010100010100110110100110010011001100110010000110010010110000010110E6");
- if ((j=mpfr_cmp2(x, y)) != 32) {
+ j = 0;
+ if (mpfr_cmp2(x, y, &j) <= 0 || j != 32) {
printf("Error in mpfr_cmp2:\n");
- printf("x="); mpfr_print_raw(x); putchar('\n');
- printf("y="); mpfr_print_raw(y); putchar('\n');
- printf("got %d, expected 32\n", j);
+ printf("x="); mpfr_print_binary(x); putchar('\n');
+ printf("y="); mpfr_print_binary(y); putchar('\n');
+ printf("got %lu, expected 32\n", j);
exit(1);
}
mpfr_set_prec (x, 128); mpfr_set_prec (y, 239);
mpfr_set_str_raw (x, "0.10001000110110000111011000101011111100110010010011001101000011111010010110001000000010100110100111111011011010101100100000000000E167");
mpfr_set_str_raw (y, "0.10001000110110000111011000101011111100110010010011001101000011111010010110001000000010100110100111111011011010101100011111111111111111111111111111111111111111111111011111100101011100011001101000100111000010000000000101100110000111111000101E167");
- if ((j=mpfr_cmp2(x, y)) != 164) {
+ j = 0;
+ if (mpfr_cmp2(x, y, &j) <= 0 || j != 164) {
printf("Error in mpfr_cmp2:\n");
- printf("x="); mpfr_print_raw(x); putchar('\n');
- printf("y="); mpfr_print_raw(y); putchar('\n');
- printf("got %d, expected 164\n", j);
+ printf("x="); mpfr_print_binary(x); putchar('\n');
+ printf("y="); mpfr_print_binary(y); putchar('\n');
+ printf("got %lu, expected 164\n", j);
exit(1);
}
@@ -219,11 +238,12 @@ void special ()
mpfr_set_prec (x, 130); mpfr_set_prec (y, 130);
mpfr_set_str_raw (x, "0.1100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000E2");
mpfr_set_str_raw (y, "0.1011111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111100E2");
- if ((j=mpfr_cmp2(x, y)) != 127) {
+ j = 0;
+ if (mpfr_cmp2(x, y, &j) <= 0 || j != 127) {
printf("Error in mpfr_cmp2:\n");
- printf("x="); mpfr_print_raw(x); putchar('\n');
- printf("y="); mpfr_print_raw(y); putchar('\n');
- printf("got %d, expected 127\n", j);
+ printf("x="); mpfr_print_binary(x); putchar('\n');
+ printf("y="); mpfr_print_binary(y); putchar('\n');
+ printf("got %lu, expected 127\n", j);
exit(1);
}
@@ -231,11 +251,12 @@ void special ()
mpfr_set_prec (x, 65); mpfr_set_prec (y, 65);
mpfr_set_ui (x, 5, GMP_RNDN);
mpfr_set_str_raw (y, "0.10011111111111111111111111111111111111111111111111111111111111101E3");
- if ((j=mpfr_cmp2(x, y)) != 63) {
+ j = 0;
+ if (mpfr_cmp2(x, y, &j) <= 0 || j != 63) {
printf("Error in mpfr_cmp2:\n");
- printf("x="); mpfr_print_raw(x); putchar('\n');
- printf("y="); mpfr_print_raw(y); putchar('\n');
- printf("got %d, expected 63\n", j);
+ printf("x="); mpfr_print_binary(x); putchar('\n');
+ printf("y="); mpfr_print_binary(y); putchar('\n');
+ printf("got %lu, expected 63\n", j);
exit(1);
}
@@ -243,11 +264,12 @@ void special ()
mpfr_set_prec (x, 65); mpfr_set_prec (y, 65);
mpfr_set_str_raw (x, "0.10011011111000101001110000000000000000000000000000000000000000000E-69");
mpfr_set_str_raw (y, "0.10011011111000101001101111111111111111111111111111111111111111101E-69");
- if ((j=mpfr_cmp2(x, y)) != 63) {
+ j = 0;
+ if (mpfr_cmp2(x, y, &j) <= 0 || j != 63) {
printf("Error in mpfr_cmp2:\n");
- printf("x="); mpfr_print_raw(x); putchar('\n');
- printf("y="); mpfr_print_raw(y); putchar('\n');
- printf("got %d, expected 63\n", j);
+ printf("x="); mpfr_print_binary(x); putchar('\n');
+ printf("y="); mpfr_print_binary(y); putchar('\n');
+ printf("got %lu, expected 63\n", j);
exit(1);
}