Implement fmod and tweak fmodf

library/compiler-builtins/libm/src/math/mod.rs

@@ -7,10 +7,16 @@ macro_rules! force_eval {
 }
 
 mod ceilf;
+mod expf;
 mod fabs;
 mod fabsf;
+mod floor;
 mod floorf;
+mod fmod;
 mod fmodf;
+mod hypot;
+mod hypotf;
+mod logf;
 mod powf;
 mod round;
 mod roundf;
@@ -18,38 +24,14 @@ mod scalbn;
 mod scalbnf;
 mod sqrt;
 mod sqrtf;
-mod logf;
-mod expf;
-mod floor;
 mod trunc;
 mod truncf;
-mod hypot;
-mod hypotf;
 
 //mod service;
 
 pub use self::{
-    ceilf::ceilf,
-    fabs::fabs,
-    fabsf::fabsf,
-    floorf::floorf,
-    fmodf::fmodf,
-    powf::powf,
-    round::round,
-    roundf::roundf,
-    scalbn::scalbn,
-    scalbnf::scalbnf,
-    sqrt::sqrt,
-    sqrtf::sqrtf,
-    logf::logf,
-    expf::expf,
-    floor::floor,
-    trunc::trunc,
+    ceilf::ceilf, expf::expf, fabs::fabs, fabsf::fabsf, floor::floor, floorf::floorf, fmod::fmod,
+    fmodf::fmodf, hypot::hypot, hypotf::hypotf, logf::logf, powf::powf, round::round,
+    roundf::roundf, scalbn::scalbn, scalbnf::scalbnf, sqrt::sqrt, sqrtf::sqrtf, trunc::trunc,
     truncf::truncf,
-    hypot::hypot,
-    hypotf::hypotf,
 };
-
-fn isnanf(x: f32) -> bool {
-    x.to_bits() & 0x7fffffff > 0x7f800000
-}