add some math tests

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12718 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/kernel/libroot/posix/Jamfile

@@ -18,3 +18,4 @@ SEARCH on [ FGristFiles
 	] = [ FDirName $(OBOS_TOP) src system libroot posix ] ;
 
 SubInclude OBOS_TOP src tests kernel libroot posix bonnie ;
+SubInclude OBOS_TOP src tests kernel libroot posix math ;

src/tests/kernel/libroot/posix/math/Jamfile

@@ -0,0 +1,27 @@
+SubDir OBOS_TOP src tests kernel libroot posix math ;
+
+UsePrivateHeaders libroot ;
+SubDirHdrs [ FDirName $(OBOS_TOP) src system libroot posix glibc ] ;
+SubDirC++Flags -mieee-fp ;
+
+MATH_SOURCES = 	
+	acosh.c	asincos.c	asinh.c	atan.c
+	atan2.c	atanh.c	cabs.c	cbrt.c
+	ceilf.c	cosh.c	erf.c	exp.c
+	exp__E.c	expm1.c	floatmath.c	floor.c
+	floorf.c	fmod.c	gamma.c	ieee.c
+	j0.c	j1.c	jn.c	lgamma.c
+	log.c	log10.c	log1p.c	log__L.c
+	math_globals.c	pow.c
+	sincos.c	sinh.c	tan.c 	tanh.c
+	;
+
+SimpleTest math_test
+	: math_test.cpp $(MATH_SOURCES)
+	;
+
+
+# Tell Jam where to find these sources
+SEARCH on [ FGristFiles
+		$(MATH_SOURCES)
+	] = [ FDirName $(OBOS_TOP) src system libroot posix math ] ;

src/tests/kernel/libroot/posix/math/math_test.cpp

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2005, Andrew Bachmann, andrewbachmann@myrealbox.com
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <OS.h>
+#include <image.h>
+#include <cassert>
+#include <cstdio>
+
+static double (*be_sin)(double);
+static double (*be_cos)(double);
+
+static image_id
+get_libroot_id()
+{
+	image_info info;
+	int32 cookie = 0;
+	while (get_next_image_info(0, &cookie, &info) == B_OK) {
+		if (strcmp(info.name, "/boot/beos/system/lib/libroot.so") == 0) {
+			return info.id;
+		}
+	}
+	return B_BAD_VALUE;
+}
+
+
+int 
+main(int argc, char **argv)
+{
+	image_id libroot = get_libroot_id();
+	assert(get_image_symbol(libroot, "sin", B_SYMBOL_TYPE_TEXT, (void**)&be_sin) == B_OK);
+	assert(get_image_symbol(libroot, "cos", B_SYMBOL_TYPE_TEXT, (void**)&be_cos) == B_OK);
+
+	fprintf(stdout, "value\t\tsin(value)\tbe_sin(value)\tcos(value)\tbe_cos(value)\n");
+	status_t result = B_OK;
+	for (int i = -10 ; i < 10 ; i++) {
+		double f = (double)i;
+		fprintf(stdout, "%0.10f\t%0.10f\t%0.10f\t%0.10f\t%0.10f\n",
+		                 f, sin(f), be_sin(f), cos(f), be_cos(f));
+		if ((sin(f) != be_sin(f)) || (cos(f) != be_cos(f))) {
+			result = B_ERROR;
+		}
+	}
+	return result;
+}