message: Modify ranpi.c example program
diff: * Translated to C from FORTRAN 20 Nov 1993
  */
  -/** Modified for Ripes:
  - * - No printing
  - * - Moves computation result to register x27
  - */
  -
  -void printFloat(float value) {
  - asm("mv a0, %[v]\n"
  - "li a7, 2\n"
  - "ecall"
  - :
  - : [v]"r"(value)
  - :
  - );
  -}
  -
  -void printInt(int value) {
  - asm("mv a0, %[v]\n"
  - "li a7, 1\n"
  - "ecall"
  - :
  - : [v]"r"(value)
  - :
  - );
  -}
  -
  -void printString(void* str) {
  - asm("mv a0, %[v]\n"
  - "li a7, 4\n"
  - "ecall"
  - :
  - : [v]"r"(str)
  - :
  - );
  -}
  -
  -void printStringFloat(void* str, float f){
  - printString(str);
  - printFloat(f);
  - printString("\n");
  -}
  -
  -void printStringInt(void* str, int i){
  - printString(str);
  - printInt(i);
  - printString("\n");
  -}
  -
  void myadd(float* sum, float* addend) {
  /*
  c Simple adding subroutine thrown in to allow subroutine
  @@ -67,7 +20,7 @@ int main(int argc, char* argv[]) {
  float ztot, yran, ymult, ymod, x, y, z, pi, prod;
  long int low, ixran, itot, j, iprod;
  - printString("Running RanPI...\n");
  + printf("Running RanPI...\n");
  ztot = 0.0;
  low = 1;
  @@ -75,7 +28,7 @@ int main(int argc, char* argv[]) {
  yran = 5813.0;
  ymult = 1307.0;
  ymod = 5471.0;
  - itot = 100; // 1200000;
  + itot = 100;
  for (j = 1; j <= itot; j++) {
  /*
  @@ -86,9 +39,7 @@ int main(int argc, char* argv[]) {
  c integer overflow and to allow full precision even with a 23-bit
  c mantissa.
  */
  - printString("\tIteration: ");
  - printInt(j);
  - printString("\n");
  + printf("\tIteration: %d\n", j);
  iprod = 27611 * ixran;
  ixran = iprod - 74383 * (long int)(iprod / 74383);
  x = (float)ixran / 74383.0;
  @@ -105,8 +56,7 @@ int main(int argc, char* argv[]) {
  pi = 4.0 * (float)low / (float)itot;
  // Print result
  - printString("Result: ");
  - printFloat(pi);
  + printf("Result: %f\n", pi);
  // Move result to some pre-determined register
  asm("mv x27, %[v]"
  