gitlab: Extract default build/test jobs templates
[qemu/ar7.git] / tests / tcg / multiarch / float_convs.c
blobe9be75c2d50b5aa3a15b307e685b077e8cfe18b4
1 /*
2 * Floating Point Convert Single to Various
4 * Copyright (c) 2019 Linaro
6 * SPDX-License-Identifier: GPL-3.0-or-later
7 */
9 #include <stdio.h>
10 #include <stdlib.h>
11 #include <math.h>
12 #include <float.h>
13 #include <fenv.h>
16 #include "float_helpers.h"
18 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
20 typedef struct {
21 int flag;
22 char *desc;
23 } float_mapping;
25 float_mapping round_flags[] = {
26 { FE_TONEAREST, "to nearest" },
27 #ifdef FE_UPWARD
28 { FE_UPWARD, "upwards" },
29 #endif
30 #ifdef FE_DOWNWARD
31 { FE_DOWNWARD, "downwards" },
32 #endif
33 #ifdef FE_TOWARDZERO
34 { FE_TOWARDZERO, "to zero" }
35 #endif
38 static void print_input(float input)
40 char *in_fmt = fmt_f32(input);
41 printf("from single: %s\n", in_fmt);
42 free(in_fmt);
45 static void convert_single_to_double(float input)
47 double output;
48 char *out_fmt, *flag_fmt;
50 feclearexcept(FE_ALL_EXCEPT);
52 output = input;
54 out_fmt = fmt_f64(output);
55 flag_fmt = fmt_flags();
56 printf(" to double: %s (%s)\n", out_fmt, flag_fmt);
57 free(out_fmt);
58 free(flag_fmt);
61 #define xstr(a) str(a)
62 #define str(a) #a
64 #define CONVERT_SINGLE_TO_INT(TYPE, FMT) \
65 static void convert_single_to_ ## TYPE(float input) \
66 { \
67 TYPE ## _t output; \
68 char *flag_fmt; \
69 const char to[] = "to " xstr(TYPE); \
70 feclearexcept(FE_ALL_EXCEPT); \
71 output = input; \
72 flag_fmt = fmt_flags(); \
73 printf("%11s: %" FMT " (%s)\n", to, output, flag_fmt); \
74 free(flag_fmt); \
77 CONVERT_SINGLE_TO_INT( int32, PRId32)
78 CONVERT_SINGLE_TO_INT(uint32, PRId32)
79 CONVERT_SINGLE_TO_INT( int64, PRId64)
80 CONVERT_SINGLE_TO_INT(uint64, PRId64)
82 int main(int argc, char *argv[argc])
84 int i, j, nums;
86 nums = get_num_f32();
88 for (i = 0; i < ARRAY_SIZE(round_flags); ++i) {
89 if (fesetround(round_flags[i].flag) != 0) {
90 printf("### Rounding %s skipped\n", round_flags[i].desc);
91 continue;
93 printf("### Rounding %s\n", round_flags[i].desc);
94 for (j = 0; j < nums; j++) {
95 float input = get_f32(j);
96 print_input(input);
97 /* convert_single_to_half(input); */
98 convert_single_to_double(input);
99 convert_single_to_int32(input);
100 convert_single_to_int64(input);
101 convert_single_to_uint32(input);
102 convert_single_to_uint64(input);
106 return 0;