pd.if.org Git - zpackage/blob - tomsfastmath/src/misc/fp_ident.c

   1 /* TomsFastMath, a fast ISO C bignum library.
   2  *
   3  * This project is meant to fill in where LibTomMath
   4  * falls short.  That is speed ;-)
   5  *
   6  * This project is public domain and free for all purposes.
   7  *
   8  * Tom St Denis, tomstdenis@gmail.com
   9  */
  10 #include <tfm_private.h>
  11
  12 const char *fp_ident(void)
  13 {
  14    static char buf[1024];
  15
  16    memset(buf, 0, sizeof(buf));
  17    snprintf(buf, sizeof(buf)-1,
  18 "TomsFastMath " TFM_VERSION_S "\n"
  19 #if defined(TFM_IDENT_BUILD_DATE)
  20 "Built on " __DATE__ " at " __TIME__ "\n"
  21 #endif
  22 "\n"
  23 "Sizeofs\n"
  24 "\tfp_digit = %lu\n"
  25 "\tfp_word  = %lu\n"
  26 "\n"
  27 "FP_MAX_SIZE = %u\n"
  28 "\n"
  29 "Defines: \n"
  30 #ifdef __i386__
  31 " __i386__ "
  32 #endif
  33 #ifdef __x86_64__
  34 " __x86_64__ "
  35 #endif
  36 #ifdef TFM_X86
  37 " TFM_X86 "
  38 #endif
  39 #ifdef TFM_X86_64
  40 " TFM_X86_64 "
  41 #endif
  42 #ifdef TFM_SSE2
  43 " TFM_SSE2 "
  44 #endif
  45 #ifdef TFM_ARM
  46 " TFM_ARM "
  47 #endif
  48 #ifdef TFM_PPC32
  49 " TFM_PPC32 "
  50 #endif
  51 #ifdef TFM_AVR32
  52 " TFM_AVR32 "
  53 #endif
  54 #ifdef TFM_ECC192
  55 " TFM_ECC192 "
  56 #endif
  57 #ifdef TFM_ECC224
  58 " TFM_ECC224 "
  59 #endif
  60 #ifdef TFM_ECC384
  61 " TFM_ECC384 "
  62 #endif
  63 #ifdef TFM_ECC521
  64 " TFM_ECC521 "
  65 #endif
  66
  67 #ifdef TFM_NO_ASM
  68 " TFM_NO_ASM "
  69 #endif
  70 #ifdef FP_64BIT
  71 " FP_64BIT "
  72 #endif
  73 #ifdef TFM_HUGE
  74 " TFM_HUGE "
  75 #endif
  76 "\n", (unsigned long)sizeof(fp_digit), (unsigned long)sizeof(fp_word), FP_MAX_SIZE);
  77
  78    if (sizeof(fp_digit) == sizeof(fp_word)) {
  79       strncat(buf, "WARNING: sizeof(fp_digit) == sizeof(fp_word), this build is likely to not work properly.\n",
  80               sizeof(buf) - strlen(buf) - 1);
  81    }
  82    return buf;
  83 }
  84
  85 #ifdef STANDALONE
  86
  87 int main(void)
  88 {
  89    printf("%s\n", fp_ident());
  90    return 0;
  91 }
  92
  93 #endif
  94
  95
  96 /* $Source$ */
  97 /* $Revision$ */
  98 /* $Date$ */