expose sqrt

+ Requires linking with libm in some cases, which is fine I suppose, but
  kind of annoying

1 files changed, 23 insertions, 0 deletions

diff --git a/tests/sqrtr_f.c b/tests/sqrtr_f.c
new file mode 100644
index 0000000..3baa00d
--- /dev/null
+++ b/tests/sqrtr_f.c
@@ -0,0 +1,23 @@
+#include <ejit/ejit.h>
+#include <assert.h>
+#include "do_jit.h"
+
+int main(int argc, char *argv[])
+{
+        (void)argv;
+        bool do_jit = argc > 1;
+        struct ejit_operand operands[1] = {
+                EJIT_OPERAND_FPR(0, EJIT_TYPE(float)),
+        };
+        struct ejit_func *f = ejit_create_func(EJIT_TYPE(float), 1, operands);
+
+        ejit_sqrtr_f(f, EJIT_FPR(0), EJIT_FPR(0));
+        ejit_retr_f(f, EJIT_FPR(0));
+
+        ejit_select_compile_func(f, 0, 1, EJIT_USE64(float), do_jit, true);
+
+        assert(erff1(f, EJIT_ARG( 0.0, float)) == 0.0);
+        assert(erff1(f, EJIT_ARG( 4.0, float)) == 2.0);
+        assert(erff1(f, EJIT_ARG(-4.0, float))
+                        != erff1(f, EJIT_ARG(-4.0, float))); // nan
+}