1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/*
* Copyright 2017 The Emscripten Authors. All rights reserved.
* Emscripten is available under two separate licenses, the MIT license and the
* University of Illinois/NCSA Open Source License. Both these licenses can be
* found in the LICENSE file.
*/
#include <math.h>
#include <stdio.h>
// Prints the float/double/long double versions of the given function
// e.g.: TEST(fmax) prints fmaxf : fmax : fmaxl
#define TEST(func) \
printf("%f : %f : %Lf\n", \
__builtin_##func##f(f1, f2), \
__builtin_##func(d1, d2), \
__builtin_##func##l(l1, l2));
#define TESTI(func) \
printf("%f : %f : %Lf\n", \
__builtin_##func##f(f1, i1), \
__builtin_##func(d1, i1), \
__builtin_##func##l(l1, i1));
int test_builtins() {
int i1 = 88;
float f1 = 0.1234f;
float f2 = 0.5678f;
double d1 = 1.0101;
double d2 = 0.10101;
long double l1 = 12.0123L;
long double l2 = 21.3201L;
TEST(fmax)
TEST(fmin)
TEST(fmod)
TEST(pow)
TESTI(powi)
return 0;
}
void test_exp_log(double x) {
double a = exp2(x);
double b = log10(x);
float c = log10f(x);
double d = acos(x);
printf("%f : %f : %f : %d\n", a, b, c, isnan(d));
}
void test_long_double(long double x) {
printf("sqrt(x) = %Lf\n", sqrtl(x));
printf("ceil(x) = %Lf\n", ceill(x));
printf("floor(x) = %Lf\n", floorl(x));
printf("atan(x) = %Lf\n", atanl(x));
printf("atan2(x,1) = %Lf\n", atan2l(x,1));
printf("asin(x) = %Lf\n", asinl(x));
printf("acos(x) = %Lf\n", acosl(x));
}
int main() {
puts("***start***");
test_builtins();
test_exp_log(1234.5678);
test_long_double(16);
puts("***end***");
return 0;
}
|
