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crt-test: Add tests for logb/ilogb

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Martin Storsjö committed 2019-04-29 12:17:07 +03:00
1 parent 571aa86e6a
commit c3a16814bd
1 file changed
+55
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test/crt-test.c
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@@ -27,6 +27,7 @@
#include <inttypes.h>
#include <stdarg.h>
#include <errno.h>
#include <limits.h>
#ifdef _WIN32
#include <windows.h>
#endif
@@ -950,6 +951,60 @@ int main(int argc, char* argv[]) {
TEST_FLT_ACCURACY(scalblnl(F(2.0), 2), 8.0, 0.001);
TEST_FLT_ACCURACY(scalblnl(F(2.0), -2), 0.5, 0.001);
TEST_INT(ilogb(F(1.0)), 0);
TEST_INT(ilogb(F(0.25)), -2);
TEST_INT(ilogb(3.49514e-308), -1022);
TEST_INT(ilogb(1.74757e-308), -1023);
TEST_INT(ilogb(9.8813e-324), -1073);
TEST_INT(ilogb(F(0.0)), FP_ILOGB0);
TEST_INT(ilogb(F(INFINITY)), INT_MAX);
TEST_INT(ilogb(F(NAN)), FP_ILOGBNAN);
TEST_INT(ilogbf(F(1.0)), 0);
TEST_INT(ilogbf(F(0.25)), -2);
TEST_INT(ilogbf(F(3.69292e-38)), -125);
TEST_INT(ilogbf(F(4.61616e-39)), -128);
TEST_INT(ilogbf(F(1.4013e-45)), -148);
TEST_INT(ilogbf(F(0.0)), FP_ILOGB0);
TEST_INT(ilogbf(F(INFINITY)), INT_MAX);
TEST_INT(ilogbf(F(NAN)), FP_ILOGBNAN);
TEST_INT(ilogbl(F(1.0)), 0);
TEST_INT(ilogbl(F(0.25)), -2);
TEST_INT(ilogbl(3.49514e-308), -1022);
TEST_INT(ilogbl(1.74757e-308), -1023);
TEST_INT(ilogbl(9.8813e-324), -1073);
TEST_INT(ilogbl(F(0.0)), FP_ILOGB0);
TEST_INT(ilogbl(F(INFINITY)), INT_MAX);
TEST_INT(ilogbl(F(NAN)), FP_ILOGBNAN);
TEST_FLT(logb(F(1.0)), 0.0);
TEST_FLT(logb(F(0.25)), -2.0);
TEST_FLT(logb(3.49514e-308), -1022.0);
TEST_FLT(logb(1.74757e-308), -1023.0);
TEST_FLT(logb(9.8813e-324), -1073.0);
TEST_FLT(logb(F(0.0)), -INFINITY);
TEST_FLT(logb(F(INFINITY)), INFINITY);
TEST_FLT_NAN(logb(F(NAN)));
TEST_FLT(logbf(F(1.0)), 0.0);
TEST_FLT(logbf(F(0.25)), -2.0);
TEST_FLT(logbf(F(3.69292e-38)), -125.0);
TEST_FLT(logbf(F(4.61616e-39)), -128.0);
TEST_FLT(logbf(F(1.4013e-45)), -148.0);
TEST_FLT(logbf(F(0.0)), -INFINITY);
TEST_FLT(logbf(F(INFINITY)), INFINITY);
TEST_FLT_NAN(logbf(F(NAN)));
TEST_FLT(logbl(F(1.0)), 0.0);
TEST_FLT(logbl(F(0.25)), -2.0);
TEST_FLT(logbl(3.49514e-308), -1022.0);
TEST_FLT(logbl(1.74757e-308), -1023.0);
TEST_FLT(logbl(9.8813e-324), -1073.0);
TEST_FLT(logbl(F(0.0)), -INFINITY);
TEST_FLT(logbl(F(INFINITY)), INFINITY);
TEST_FLT_NAN(logbl(F(NAN)));
TEST_INT(llround(F(3.3)), 3);
TEST_INT(llround(F(3.6)), 4);
TEST_INT(llround(F(3.5)), 4);