authorgravatar for lewis.gaul@gmail.comLewis Gaul <lewis.gaul@gmail.com> 2024-05-25 23:05:20+01:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2025-07-17 05:04:59+02:00
log03dfd2ecc37cc99b15d4ce3ff19147230ddc8fd4
tree884eb9f9b59110715ca4618393ee2369dcec2cb2
parent7abb170f59ed959c4004ec37258c8905903f36b1

Make sure to test the sign of the zero results

7 files changed, 18 insertions(+), 18 deletions(-)

lib/compiler_rt/exp.zig+2-2
......@@ -218,7 +218,7 @@ test "expf() special" {
218218 try expectEqual(expf(1.0), math.e);
219219 try expectEqual(expf(math.ln2), 2.0);
220220 try expectEqual(expf(math.inf(f32)), math.inf(f32));
221 try expectEqual(expf(-math.inf(f32)), 0.0);
221 try expect(math.isPositiveZero(expf(-math.inf(f32))));
222222 try expect(math.isNan(expf(math.nan(f32))));
223223 try expect(math.isNan(expf(math.snan(f32))));
224224}
......@@ -268,7 +268,7 @@ test "exp() special" {
268268 // try expectEqual(exp(1.0), math.e);
269269 try expectEqual(exp(math.ln2), 2.0);
270270 try expectEqual(exp(math.inf(f64)), math.inf(f64));
271 try expectEqual(exp(-math.inf(f64)), 0.0);
271 try expect(math.isPositiveZero(exp(-math.inf(f64))));
272272 try expect(math.isNan(exp(math.nan(f64))));
273273 try expect(math.isNan(exp(math.snan(f64))));
274274}
lib/compiler_rt/exp2.zig+2-2
......@@ -464,7 +464,7 @@ test "exp2f() special" {
464464 try expectEqual(exp2f(1.0), 2.0);
465465 try expectEqual(exp2f(-1.0), 0.5);
466466 try expectEqual(exp2f(math.inf(f32)), math.inf(f32));
467 try expectEqual(exp2f(-math.inf(f32)), 0.0);
467 try expect(math.isPositiveZero(exp2f(-math.inf(f32))));
468468 try expect(math.isNan(exp2f(math.nan(f32))));
469469 try expect(math.isNan(exp2f(math.snan(f32))));
470470}
......@@ -502,7 +502,7 @@ test "exp2() special" {
502502 try expectEqual(exp2(1.0), 2.0);
503503 try expectEqual(exp2(-1.0), 0.5);
504504 try expectEqual(exp2(math.inf(f64)), math.inf(f64));
505 try expectEqual(exp2(-math.inf(f64)), 0.0);
505 try expect(math.isPositiveZero(exp2(-math.inf(f64))));
506506 try expect(math.isNan(exp2(math.nan(f64))));
507507 try expect(math.isNan(exp2(math.snan(f64))));
508508}
lib/compiler_rt/log.zig+2-2
......@@ -163,7 +163,7 @@ pub fn logl(x: c_longdouble) callconv(.c) c_longdouble {
163163test "logf() special" {
164164 try expectEqual(logf(0.0), -math.inf(f32));
165165 try expectEqual(logf(-0.0), -math.inf(f32));
166 try expectEqual(logf(1.0), 0.0);
166 try expect(math.isPositiveZero(logf(1.0)));
167167 try expectEqual(logf(math.e), 1.0);
168168 try expectEqual(logf(math.inf(f32)), math.inf(f32));
169169 try expect(math.isNan(logf(-1.0)));
......@@ -198,7 +198,7 @@ test "logf() boundary" {
198198test "log() special" {
199199 try expectEqual(log(0.0), -math.inf(f64));
200200 try expectEqual(log(-0.0), -math.inf(f64));
201 try expectEqual(log(1.0), 0.0);
201 try expect(math.isPositiveZero(log(1.0)));
202202 try expectEqual(log(math.e), 1.0);
203203 try expectEqual(log(math.inf(f64)), math.inf(f64));
204204 try expect(math.isNan(log(-1.0)));
lib/compiler_rt/log10.zig+2-2
......@@ -191,7 +191,7 @@ pub fn log10l(x: c_longdouble) callconv(.c) c_longdouble {
191191test "log10f() special" {
192192 try expectEqual(log10f(0.0), -math.inf(f32));
193193 try expectEqual(log10f(-0.0), -math.inf(f32));
194 try expectEqual(log10f(1.0), 0.0);
194 try expect(math.isPositiveZero(log10f(1.0)));
195195 try expectEqual(log10f(10.0), 1.0);
196196 try expectEqual(log10f(0.1), -1.0);
197197 try expectEqual(log10f(math.inf(f32)), math.inf(f32));
......@@ -227,7 +227,7 @@ test "log10f() boundary" {
227227test "log10() special" {
228228 try expectEqual(log10(0.0), -math.inf(f64));
229229 try expectEqual(log10(-0.0), -math.inf(f64));
230 try expectEqual(log10(1.0), 0.0);
230 try expect(math.isPositiveZero(log10(1.0)));
231231 try expectEqual(log10(10.0), 1.0);
232232 try expectEqual(log10(0.1), -1.0);
233233 try expectEqual(log10(math.inf(f64)), math.inf(f64));
lib/compiler_rt/log2.zig+2-2
......@@ -183,7 +183,7 @@ pub fn log2l(x: c_longdouble) callconv(.c) c_longdouble {
183183test "log2f() special" {
184184 try expectEqual(log2f(0.0), -math.inf(f32));
185185 try expectEqual(log2f(-0.0), -math.inf(f32));
186 try expectEqual(log2f(1.0), 0.0);
186 try expect(math.isPositiveZero(log2f(1.0)));
187187 try expectEqual(log2f(2.0), 1.0);
188188 try expectEqual(log2f(math.inf(f32)), math.inf(f32));
189189 try expect(math.isNan(log2f(-1.0)));
......@@ -219,7 +219,7 @@ test "log2f() boundary" {
219219test "log2() special" {
220220 try expectEqual(log2(0.0), -math.inf(f64));
221221 try expectEqual(log2(-0.0), -math.inf(f64));
222 try expectEqual(log2(1.0), 0.0);
222 try expect(math.isPositiveZero(log2(1.0)));
223223 try expectEqual(log2(2.0), 1.0);
224224 try expectEqual(log2(math.inf(f64)), math.inf(f64));
225225 try expect(math.isNan(log2(-1.0)));
lib/std/math/expm1.zig+4-4
......@@ -288,8 +288,8 @@ fn expm1_64(x_: f64) f64 {
288288}
289289
290290test "expm1_32() special" {
291 try expectEqual(expm1_32(0.0), 0.0);
292 try expectEqual(expm1_32(-0.0), 0.0);
291 try expect(math.isPositiveZero(expm1_32(0.0)));
292 try expect(math.isNegativeZero(expm1_32(-0.0)));
293293 try expectEqual(expm1_32(math.ln2), 1.0);
294294 try expectEqual(expm1_32(math.inf(f32)), math.inf(f32));
295295 try expectEqual(expm1_32(-math.inf(f32)), -1.0);
......@@ -326,8 +326,8 @@ test "expm1_32() boundary" {
326326}
327327
328328test "expm1_64() special" {
329 try expectEqual(expm1_64(0.0), 0.0);
330 try expectEqual(expm1_64(-0.0), 0.0);
329 try expect(math.isPositiveZero(expm1_64(0.0)));
330 try expect(math.isNegativeZero(expm1_64(-0.0)));
331331 try expectEqual(expm1_64(math.ln2), 1.0);
332332 try expectEqual(expm1_64(math.inf(f64)), math.inf(f64));
333333 try expectEqual(expm1_64(-math.inf(f64)), -1.0);
lib/std/math/log1p.zig+4-4
......@@ -184,8 +184,8 @@ fn log1p_64(x: f64) f64 {
184184}
185185
186186test "log1p_32() special" {
187 try expectEqual(log1p_32(0.0), 0.0);
188 try expectEqual(log1p_32(-0.0), 0.0);
187 try expect(math.isPositiveZero(log1p_32(0.0)));
188 try expect(math.isNegativeZero(log1p_32(-0.0)));
189189 try expectEqual(log1p_32(-1.0), -math.inf(f32));
190190 try expectEqual(log1p_32(1.0), math.ln2);
191191 try expectEqual(log1p_32(math.inf(f32)), math.inf(f32));
......@@ -219,8 +219,8 @@ test "log1p_32() boundary" {
219219}
220220
221221test "log1p_64() special" {
222 try expectEqual(log1p_64(0.0), 0.0);
223 try expectEqual(log1p_64(-0.0), 0.0);
222 try expect(math.isPositiveZero(log1p_64(0.0)));
223 try expect(math.isNegativeZero(log1p_64(-0.0)));
224224 try expectEqual(log1p_64(-1.0), -math.inf(f64));
225225 try expectEqual(log1p_64(1.0), math.ln2);
226226 try expectEqual(log1p_64(math.inf(f64)), math.inf(f64));