1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/randmath.c	Mon Feb 14 08:12:41 2011 +1000
     1.3 @@ -0,0 +1,60 @@
     1.4 +#include <stdlib.h>
     1.5 +#include <stdio.h>
     1.6 +
     1.7 +typedef unsigned char uint8_t;
     1.8 +typedef signed char int8_t;
     1.9 +typedef unsigned short uint16_t;
    1.10 +typedef signed short int16_t;
    1.11 +typedef unsigned int uint32_t;
    1.12 +typedef signed int int32_t;
    1.13 +typedef unsigned long long uint64_t;
    1.14 +typedef signed long long int64_t;
    1.15 +
    1.16 +#define TEST_REPS 64
    1.17 +
    1.18 +void printuint8_t(uint8_t a) { printf( "%08X ", (unsigned int)a ); }
    1.19 +void printint8_t(int8_t a) { printf( "%08X ", (unsigned int)(uint8_t)a ); }
    1.20 +void printuint16_t(uint16_t a) { printf( "%08X ", (unsigned int)a ); }
    1.21 +void printint16_t(int16_t a) { printf( "%08X ", (unsigned int)(uint16_t)a ); }
    1.22 +void printuint32_t(uint32_t a) { printf( "%08X ", (unsigned int)a ); }
    1.23 +void printint32_t(int32_t a) { printf( "%08X ", (unsigned int)a ); }
    1.24 +void printuint64_t(uint64_t a) { printf( "%08X%08X ", (unsigned int)(a>>32),(unsigned int)a ); }
    1.25 +void printint64_t(int64_t a) { printf( "%08X%08X ", (unsigned int)(a>>32),(unsigned int)a ); }
    1.26 +
    1.27 +#define TEST_TYPE(T) \
    1.28 +void test##T() { \
    1.29 +    T a, b, c, d, e, f; \
    1.30 +    read(0,&a,sizeof(a)); read(0,&b,sizeof(b)); read(0,&c,sizeof(c)); read(0,&d,sizeof(d)); \
    1.31 +    e = a * b - c * d;\
    1.32 +    if( b != 0 && c != 0 ) { f = a / b + 1/c;  }\
    1.33 +    T g = e - f / 2  + (uint32_t)b;\
    1.34 +    T h = b * c / d; T i = a / -d; \
    1.35 +    printf( "%d| ", sizeof(a) ); \
    1.36 +    print##T(a); print##T(b); print##T(c); print##T(d); \
    1.37 +    printf( ": " ); print##T(e); print##T(f); print##T(g); \
    1.38 +    print##T(h); print##T(i); \
    1.39 +    printf( "\n" ); \
    1.40 +}
    1.41 +
    1.42 +TEST_TYPE(uint8_t);
    1.43 +TEST_TYPE(int8_t);
    1.44 +TEST_TYPE(uint16_t);
    1.45 +TEST_TYPE(int16_t);
    1.46 +TEST_TYPE(uint32_t);
    1.47 +TEST_TYPE(int32_t);
    1.48 +TEST_TYPE(uint64_t);
    1.49 +TEST_TYPE(int64_t);
    1.50 +
    1.51 +int main(int argc, char *argv[]) {
    1.52 +  unsigned i;
    1.53 +  
    1.54 +  for(i=0;i<TEST_REPS;i++ ) { testuint64_t(); }
    1.55 +  for(i=0;i<TEST_REPS;i++ ) { testint64_t(); }
    1.56 +  for(i=0;i<TEST_REPS;i++ ) { testuint32_t(); }
    1.57 +  for(i=0;i<TEST_REPS;i++ ) { testint32_t(); }
    1.58 +  for(i=0;i<TEST_REPS;i++ ) { testuint16_t(); }
    1.59 +  for(i=0;i<TEST_REPS;i++ ) { testint16_t(); }
    1.60 +  for(i=0;i<TEST_REPS;i++ ) { testuint8_t(); }
    1.61 +  for(i=0;i<TEST_REPS;i++ ) { testint8_t(); }
    1.62 +  return 0;
    1.63 +}