build: Build mlibc + add distclean target

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 0 insertions, 91 deletions

diff --git a/lib/mlibc/tests/ansi/fenv.c b/lib/mlibc/tests/ansi/fenv.c
deleted file mode 100644
index 629a5cb..0000000
--- a/lib/mlibc/tests/ansi/fenv.c
+++ /dev/null
@@ -1,91 +0,0 @@
-#include <assert.h>
-#include <stdbool.h>
-#include <fenv.h>
-#include <float.h>
-#include <math.h>
-
-#define NO_OPTIMIZE(x) asm volatile("" :: "r,m" (x) : "memory")
-
-static void div_by_zero() {
-	volatile float zero = 0.0f;
-	NO_OPTIMIZE(69.0f / zero);
-}
-
-static bool float_cmp(float a, float b) {
-	return a == b || fabs(a - b) < (fabs(a) + fabs(b)) * FLT_EPSILON;
-}
-
-static void test_rounding(float expectation1, float expectation2) {
-	float x;
-	volatile float f = 1.968750f;
-	volatile float m = 0x1.0p23f;
-
-	NO_OPTIMIZE(x = f + m);
-	assert(float_cmp(expectation1, x));
-	NO_OPTIMIZE(x = x - m);
-	assert(x == expectation2);
-}
-
-void test0() {
-	// test whether the divide-by-zero exception is raised
-	feclearexcept(FE_ALL_EXCEPT);
-	assert(fetestexcept(FE_ALL_EXCEPT) == 0);
-
-	div_by_zero();
-	int raised = fetestexcept(FE_DIVBYZERO);
-	assert((raised & FE_DIVBYZERO));
-}
-
-void test1() {
-	// test various rounding modes
-	feclearexcept(FE_DIVBYZERO);
-	assert(fetestexcept(FE_ALL_EXCEPT) == 0);
-
-	fesetround(FE_UPWARD);
-	assert(fegetround() == FE_UPWARD);
-	test_rounding(8388610.0f, 2.0f);
-
-	fesetround(FE_DOWNWARD);
-	assert(fegetround() == FE_DOWNWARD);
-	test_rounding(8388609.0f, 1.0f);
-
-	fesetround(FE_TONEAREST);
-	assert(fegetround() == FE_TONEAREST);
-	test_rounding(8388610.0f, 2.0f);
-
-	fesetround(FE_TOWARDZERO);
-	assert(fegetround() == FE_TOWARDZERO);
-	test_rounding(8388609.0f, 1.0f);
-}
-
-void test2() {
-	// test feraiseexcept
-	feclearexcept(FE_ALL_EXCEPT);
-	assert(fetestexcept(FE_ALL_EXCEPT) == 0);
-	assert(feraiseexcept(FE_DIVBYZERO | FE_OVERFLOW) == 0);
-	assert(fetestexcept(FE_ALL_EXCEPT) == (FE_DIVBYZERO | FE_OVERFLOW));
-}
-
-void test3() {
-	// test fe{get,set}env
-	feclearexcept(FE_ALL_EXCEPT);
-	assert(fetestexcept(FE_ALL_EXCEPT) == 0);
-	assert(feraiseexcept(FE_OVERFLOW) == 0);
-
-	fenv_t state;
-	assert(fegetenv(&state) == 0);
-	assert(fetestexcept(FE_ALL_EXCEPT) == FE_OVERFLOW);
-
-	div_by_zero();
-	assert(fetestexcept(FE_ALL_EXCEPT) == (FE_DIVBYZERO | FE_OVERFLOW));
-
-	assert(fesetenv(&state) == 0);
-	assert(fetestexcept(FE_ALL_EXCEPT) == FE_OVERFLOW);
-}
-
-int main() {
-	test0();
-	test1();
-	test2();
-	test3();
-}