// test basic arithmetic operations #ifdef CONIO #include #define WAIT() cgetc() #else #define WAIT() #endif #include #include #include #include #include <_float.h> float fp1 = 12.34f; float fp2; // non initialized float fp3, fp4 = 55.55f; char buf[0x20]; char buf2[0x20]; char buf3[0x20]; unsigned long l1,l2; signed char var_schar; unsigned char var_uchar; signed int var_sint; unsigned int var_uint; signed long var_slong; unsigned long var_ulong; int result = 0; int i; unsigned char var_char; unsigned int var_int; float var_float; #if 1 // returns 1 if value in f matches the string // the string is a hex value without leading "0x" int compare(float f, char *str) { char temp[12]; sprintf(temp, "%08lx", *((uint32_t*)&f)); printf("[%s:%s]", temp, str); return (strcmp(temp, str) == 0) ? 1 : 0; } void test1(float f, char *str) { if (compare(f, str)) { // printf(" (ok)"); } else { printf(" (failed) !!! "); result++; } printf("result:%d\n", result); } void test2(unsigned int i, unsigned int exp) { if (i == exp) { // printf(" (ok)"); } else { printf(" (failed) !!! "); result++; } printf("result:%d\n", result); } void SKIPPEDtest1(float f, char *str) { char temp[12]; sprintf(temp, "%08lx", *((uint32_t*)&f)); printf(" (SKIPPED:%s:%s)\n", temp, str); } void intfloat(void) { var_int = 47; var_float = 11.123f; #if 1 fp1 = var_int; printf("fp1:0x%08lx [42687df4] %s (47)\n", *((uint32_t*)&fp1), _ftostr(buf, fp1)); fp1 = var_float; printf("fp1:0x%08lx [42687df4] %s (11.123)\n", *((uint32_t*)&fp1), _ftostr(buf, fp1)); /* addition */ fp1 = var_int + var_float; printf("fp1:0x%08lx [42687df4] %s (58.123)\n", *((uint32_t*)&fp1), _ftostr(buf, fp1)); test1(fp1, "42687df4"); fp1 = var_int - var_float; printf("fp1:0x%08lx [420f820c] %s (35.877)\n", *((uint32_t*)&fp1), _ftostr(buf, fp1)); test1(fp1, "420f820c"); #endif #if 1 fp1 = var_int * var_float; printf("fp1:0x%08lx [4402b1fc] %s (522.781)\n", *((uint32_t*)&fp1), _ftostr(buf, fp1)); test1(fp1, "4402b1fc"); #endif #if 1 fp1 = var_int / var_float; printf("fp1:0x%08lx [4087371f] %s (4.225)\n", *((uint32_t*)&fp1), _ftostr(buf, fp1)); test1(fp1, "4087371f"); #endif } unsigned int i1; void intfloat2(void) { printf("int X= float var\n"); var_int = 47; var_float = 11.123f; i1 = var_int; printf("i1: %d (47)\n", i1); /* addition */ i1 = var_int; i1 += var_float; printf("i1: %d (58)\n", i1); test2(i1, 58); #if 1 i1 = var_int; i1 -= var_float; printf("i1: %d (36)\n", i1); test2(i1, 36); #endif #if 0 // internal compiler error i1 = var_int; i1 *= var_float; printf("i1: %d (522)\n", i1); test2(i1, 522); #endif #if 0 // internal compiler error i1 = var_int; i1 /= var_float; printf("i1: %d (4)\n", i1); test2(i1, 4); #endif } int main(void) { float fp2 = 43.21f; printf("*** float-basic-intvar-var ***\n"); printf("fp1:0x%08lx [0x414570a4] %s (12.340000)\n", *((uint32_t*)&fp1), _ftostr(buf, fp1)); printf("fp2:0x%08lx [0x422cd70a] %s (43.209999)\n", *((uint32_t*)&fp2), _ftostr(buf, fp2)); intfloat(); intfloat2(); WAIT(); printf("\nfloat-basic-intvar-var (res:%d)\n", result); return result; } #else int main(void) { var_int = 47; var_float = 11.123f; fp1 = var_int * var_float; printf("fp1:0x%08lx [42687df4] %s (58.123)\n", *((uint32_t*)&fp1), _ftostr(buf, fp1)); return result; } #endif