diff options
Diffstat (limited to 'tests/programs/f32.zc')
| -rw-r--r-- | tests/programs/f32.zc | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/tests/programs/f32.zc b/tests/programs/f32.zc new file mode 100644 index 0000000..0f60dcd --- /dev/null +++ b/tests/programs/f32.zc @@ -0,0 +1,37 @@ +// f32: single precision values and packed arrays of them +struct vec3 { f32 x, y, z; }; +f32 gsum; +fn put_f(x) { asm { x @ #1220 } return 0; } +[8]f32 gbuf; + +f32 half(f32 v) { return v / 2; } + +fn main() { + gsum = 0.1; + f32 a = 16777216.0; + f32 b = a + 1.0; // rounds back to 16777216 in single precision + float c = 16777216.0 + 1.0; + f32 t = 0.1; + float u = 0.1; + put_f(b); put_c(' '); put_f(c); put_c(' '); + put_n(t == 0.1); put_n(t == u); put_n(t == (f32)u); put_c(' '); + put_f(half(3.0)); put_c(' '); + put_f(gsum * 10); put_c(' '); // 1.000000 (0.1f * 10 in double) + vec3 v; v.x = 1.5; v.y = 0.1; v.z = 2; + put_f(v.x + v.y + v.z); put_c(' '); + int i = 0; + gbuf[0] = 0.1; put_n(gbuf[0] == t); put_n(gbuf[0] == u); put_c(' '); + while (i < 8) { gbuf[i] = i * 0.25 + 0.1; i++; } + float s = 0; + i = 0; + while (i < 8) { s += gbuf[i]; i++; } + put_f(s); put_c(' '); + f32* p = new(f32, 100); + i = 0; + while (i < 100) { p[i] = i; i++; } + s = 0; i = 0; + while (i < 100) { s += p[i]; i++; } + put_f(s); put_c(' '); + put_n(sizeof(gbuf)); put_n(sizeof([100]f32)); put_c(10); + free(d*p); +} |
