basics/sources/math-builtins.c

   1 // Each of the following math functions can be implemented with a single
   2 // wasm instruction, so use that implementation rather than the portable
   3 // one in libm.
   4
   5 #include <math.h>
   6
   7 float fabsf(float x) {
   8     return __builtin_fabsf(x);
   9 }
  10
  11 double fabs(double x) {
  12     return __builtin_fabs(x);
  13 }
  14
  15 float sqrtf(float x) {
  16     return __builtin_sqrtf(x);
  17 }
  18
  19 double sqrt(double x) {
  20     return __builtin_sqrt(x);
  21 }
  22
  23 float copysignf(float x, float y) {
  24     return __builtin_copysignf(x, y);
  25 }
  26
  27 double copysign(double x, double y) {
  28     return __builtin_copysign(x, y);
  29 }
  30
  31 float ceilf(float x) {
  32     return __builtin_ceilf(x);
  33 }
  34
  35 double ceil(double x) {
  36     return __builtin_ceil(x);
  37 }
  38
  39 float floorf(float x) {
  40     return __builtin_floorf(x);
  41 }
  42
  43 double floor(double x) {
  44     return __builtin_floor(x);
  45 }
  46
  47 float truncf(float x) {
  48     return __builtin_truncf(x);
  49 }
  50
  51 double trunc(double x) {
  52     return __builtin_trunc(x);
  53 }
  54
  55 float nearbyintf(float x) {
  56     return __builtin_nearbyintf(x);
  57 }
  58
  59 double nearbyint(double x) {
  60     return __builtin_nearbyint(x);
  61 }
  62
  63 float rintf(float x) {
  64     return __builtin_rintf(x);
  65 }
  66
  67 double rint(double x) {
  68     return __builtin_rint(x);
  69 }