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16, 32 bit machine etc.

Name: Anonymous 2006-01-21 5:24

Anyone know how to check if a machine is 16 bit, 32 bit etc?
I need to make my C++ program portable,
but I'm not sure what macro can I use to accomplish this

Name: Anonymous 2012-01-12 11:35

[b][i][u][o]^{H^a}x[sub] _{m_y} [sup]a^{n^u}s[sub] _{/_p}r[sup]o^{g^/}[/o][/u][/i][/b]

Name: Anonymous 2012-01-12 11:42

^{f^u}c[sub]k_{k_k}k^k

Name: Anonymous 2012-01-12 11:44

[sup]f^uc[sub]k[sub]k[/sup][/sup]_kk^k

Name: Anonymous 2012-01-12 12:03

t_{e_s}_ti^{n^g}

Name: Anonymous 2012-01-12 12:04

t_{e_s}_ti^{n^g}^te_{s_t}_in[sup]g

t_{e_{s_t}}_{i_n}g^{t^{e^s}}^tⁱn[sub]g

Name: Anonymous 2012-01-12 12:06

t_{e_s}_ti^{n^g}^te_{s_t}_in[sup]g[/sub][/sub]

t_{e_{s_t}}_{i_n}g^{t^{e^s}}^tⁱn[sub]g[/sup][/sup]

t_{e_{s_{t_i}}}_{n_{g_t}}e^{s^{t^iⁿ}}^g[/sup]

Name: Anonymous 2012-01-12 12:08

t_{e_s}_ti^{n^g}^te_{s_t}_in^g

t_{e_{s_t}}_{i_n}g^{t^{e^s}}^tⁱn_g

t_{e_{s_{t_i}}}_{n_{g_t}}e^{s^{t^iⁿ}}[sup]g[/sub]

Name: Anonymous 2012-02-15 16:06

‌

Name: Anonymous 2012-02-15 16:15

>>1

That's simply not possible standard-wise: it actually does not make any sense whatsoever.

In practice, however, sizeof(void*) can be used as a hint to detect whether you're compiling in a 32-bit or 64-bit environment, though it is useless as a preprocessor token.

Name: Anonymous 2012-02-15 20:01

CHAR_BIT and sizeof(void *) are the closest things C has to a concept of "bit width." All standard integer types must be supported on all C implementations and it's possible for a machine with e.g. 64-bit data registers to use a 16-bit int or for a machine to have 128-bit pointers and a 16-bit size_t.

Newer Posts

16, 32 bit machine etc.

1 Name: Anonymous 2006-01-21 5:24

41 Name: Anonymous 2012-01-12 11:35

42 Name: Anonymous 2012-01-12 11:42

43 Name: Anonymous 2012-01-12 11:44

44 Name: Anonymous 2012-01-12 12:03

45 Name: Anonymous 2012-01-12 12:04

46 Name: Anonymous 2012-01-12 12:06

47 Name: Anonymous 2012-01-12 12:08

48 Name: Anonymous 2012-02-15 16:06

49 Name: Anonymous 2012-02-15 16:15

50 Name: Anonymous 2012-02-15 20:01