fp_ident.c

00001 /* TomsFastMath, a fast ISO C bignum library.
00002  * 
00003  * This project is meant to fill in where LibTomMath
00004  * falls short.  That is speed ;-)
00005  *
00006  * This project is public domain and free for all purposes.
00007  * 
00008  * Tom St Denis, tomstdenis@gmail.com
00009  */
00010 #include "tfm.h"
00011 
00012 const char *fp_ident(void)
00013 {
00014    static char buf[1024];
00015 
00016    memset(buf, 0, sizeof(buf));
00017    snprintf(buf, sizeof(buf)-1,
00018 "TomsFastMath (%s)\n"
00019 "\n"
00020 "Sizeofs\n"
00021 "\tfp_digit = %u\n"
00022 "\tfp_word  = %u\n"
00023 "\n"
00024 "FP_MAX_SIZE = %u\n"
00025 "\n"
00026 "Defines: \n"
00027 #ifdef __i386__
00028 " __i386__ "
00029 #endif
00030 #ifdef __x86_64__
00031 " __x86_64__ "
00032 #endif
00033 #ifdef TFM_X86
00034 " TFM_X86 "
00035 #endif
00036 #ifdef TFM_X86_64
00037 " TFM_X86_64 "
00038 #endif
00039 #ifdef TFM_SSE2
00040 " TFM_SSE2 "
00041 #endif
00042 #ifdef TFM_ARM
00043 " TFM_ARM "
00044 #endif
00045 #ifdef TFM_PPC32
00046 " TFM_PPC32 "
00047 #endif
00048 #ifdef TFM_AVR32
00049 " TFM_AVR32 "
00050 #endif
00051 #ifdef TFM_ECC192
00052 " TFM_ECC192 "
00053 #endif
00054 #ifdef TFM_ECC224
00055 " TFM_ECC224 "
00056 #endif
00057 #ifdef TFM_ECC384
00058 " TFM_ECC384 "
00059 #endif
00060 #ifdef TFM_ECC521
00061 " TFM_ECC521 "
00062 #endif
00063 
00064 #ifdef TFM_NO_ASM
00065 " TFM_NO_ASM "
00066 #endif
00067 #ifdef FP_64BIT
00068 " FP_64BIT "
00069 #endif
00070 #ifdef TFM_HUGE
00071 " TFM_HUGE "
00072 #endif
00073 "\n", __DATE__, sizeof(fp_digit), sizeof(fp_word), FP_MAX_SIZE);
00074 
00075    if (sizeof(fp_digit) == sizeof(fp_word)) {
00076       strncat(buf, "WARNING: sizeof(fp_digit) == sizeof(fp_word), this build is likely to not work properly.\n", 
00077               sizeof(buf)-1);
00078    }
00079    return buf;
00080 }
00081 
00082 #ifdef STANDALONE
00083 
00084 int main(void)
00085 {
00086    printf("%s\n", fp_ident());
00087    return 0;
00088 }
00089 
00090 #endif
00091 
00092 
00093 /* $Source: /cvs/libtom/tomsfastmath/src/misc/fp_ident.c,v $ */
00094 /* $Revision: 1.1 $ */
00095 /* $Date: 2006/12/31 21:25:53 $ */