authorgravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2018-08-25 04:48:58-04:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2018-08-25 04:48:58-04:00
log815950996dcc92ac6ac285f2005dbac51b9cb6f8
tree1f77690a5fb7ccbef75bcab9c8c1e008ef3c5068
parent8aacfc846523aad142537b2bff49162d5feb6a91
parentbf1f91595d4d3b5911632c671ef16e44d70dc9a6

Merge remote-tracking branch 'origin/master' into macos-stack-traces

21 files changed, 62 insertions(+), 69 deletions(-)

doc/langref.html.in+6-6
...@@ -744,19 +744,19 @@ const yet_another_hex_float = 0x103.70P-5;...@@ -744,19 +744,19 @@ const yet_another_hex_float = 0x103.70P-5;
744 {#code_end#}744 {#code_end#}
745 {#header_close#}745 {#header_close#}
746 {#header_open|Floating Point Operations#}746 {#header_open|Floating Point Operations#}
747 <p>By default floating point operations use <code>Optimized</code> mode,747 <p>By default floating point operations use <code>Strict</code> mode,
748 but you can switch to <code>Strict</code> mode on a per-block basis:</p>748 but you can switch to <code>Optimized</code> mode on a per-block basis:</p>
749 {#code_begin|obj|foo#}749 {#code_begin|obj|foo#}
750 {#code_release_fast#}750 {#code_release_fast#}
751const builtin = @import("builtin");751const builtin = @import("builtin");
752const big = f64(1 << 40);752const big = f64(1 << 40);
753753
754export fn foo_strict(x: f64) f64 {754export fn foo_strict(x: f64) f64 {
755 @setFloatMode(this, builtin.FloatMode.Strict);
756 return x + big - big;755 return x + big - big;
757}756}
758757
759export fn foo_optimized(x: f64) f64 {758export fn foo_optimized(x: f64) f64 {
759 @setFloatMode(this, builtin.FloatMode.Optimized);
760 return x + big - big;760 return x + big - big;
761}761}
762 {#code_end#}762 {#code_end#}
...@@ -5948,7 +5948,7 @@ pub const FloatMode = enum {...@@ -5948,7 +5948,7 @@ pub const FloatMode = enum {
5948 {#code_end#}5948 {#code_end#}
5949 <ul>5949 <ul>
5950 <li>5950 <li>
5951 <code>Optimized</code> (default) - Floating point operations may do all of the following:5951 <code>Optimized</code> - Floating point operations may do all of the following:
5952 <ul>5952 <ul>
5953 <li>Assume the arguments and result are not NaN. Optimizations are required to retain defined behavior over NaNs, but the value of the result is undefined.</li>5953 <li>Assume the arguments and result are not NaN. Optimizations are required to retain defined behavior over NaNs, but the value of the result is undefined.</li>
5954 <li>Assume the arguments and result are not +/-Inf. Optimizations are required to retain defined behavior over +/-Inf, but the value of the result is undefined.</li>5954 <li>Assume the arguments and result are not +/-Inf. Optimizations are required to retain defined behavior over +/-Inf, but the value of the result is undefined.</li>
...@@ -5960,7 +5960,7 @@ pub const FloatMode = enum {...@@ -5960,7 +5960,7 @@ pub const FloatMode = enum {
5960 This is equivalent to <code>-ffast-math</code> in GCC.5960 This is equivalent to <code>-ffast-math</code> in GCC.
5961 </li>5961 </li>
5962 <li>5962 <li>
5963 <code>Strict</code> - Floating point operations follow strict IEEE compliance.5963 <code>Strict</code> (default) - Floating point operations follow strict IEEE compliance.
5964 </li>5964 </li>
5965 </ul>5965 </ul>
5966 {#see_also|Floating Point Operations#}5966 {#see_also|Floating Point Operations#}
...@@ -6166,7 +6166,7 @@ pub const TypeInfo = union(TypeId) {...@@ -6166,7 +6166,7 @@ pub const TypeInfo = union(TypeId) {
6166 size: Size,6166 size: Size,
6167 is_const: bool,6167 is_const: bool,
6168 is_volatile: bool,6168 is_volatile: bool,
6169 alignment: u32,6169 alignment: u29,
6170 child: type,6170 child: type,
61716171
6172 pub const Size = enum {6172 pub const Size = enum {
src/all_types.hpp+2-2
...@@ -1852,7 +1852,7 @@ struct ScopeDecls {...@@ -1852,7 +1852,7 @@ struct ScopeDecls {
1852 HashMap<Buf *, Tld *, buf_hash, buf_eql_buf> decl_table;1852 HashMap<Buf *, Tld *, buf_hash, buf_eql_buf> decl_table;
1853 bool safety_off;1853 bool safety_off;
1854 AstNode *safety_set_node;1854 AstNode *safety_set_node;
1855 bool fast_math_off;1855 bool fast_math_on;
1856 AstNode *fast_math_set_node;1856 AstNode *fast_math_set_node;
1857 ImportTableEntry *import;1857 ImportTableEntry *import;
1858 // If this is a scope from a container, this is the type entry, otherwise null1858 // If this is a scope from a container, this is the type entry, otherwise null
...@@ -1872,7 +1872,7 @@ struct ScopeBlock {...@@ -1872,7 +1872,7 @@ struct ScopeBlock {
18721872
1873 bool safety_off;1873 bool safety_off;
1874 AstNode *safety_set_node;1874 AstNode *safety_set_node;
1875 bool fast_math_off;1875 bool fast_math_on;
1876 AstNode *fast_math_set_node;1876 AstNode *fast_math_set_node;
1877};1877};
18781878
src/analyze.cpp+1-1
...@@ -3073,7 +3073,7 @@ static bool scope_is_root_decls(Scope *scope) {...@@ -3073,7 +3073,7 @@ static bool scope_is_root_decls(Scope *scope) {
30733073
3074static void wrong_panic_prototype(CodeGen *g, AstNode *proto_node, TypeTableEntry *fn_type) {3074static void wrong_panic_prototype(CodeGen *g, AstNode *proto_node, TypeTableEntry *fn_type) {
3075 add_node_error(g, proto_node,3075 add_node_error(g, proto_node,
3076 buf_sprintf("expected 'fn([]const u8, ?&builtin.StackTrace) unreachable', found '%s'",3076 buf_sprintf("expected 'fn([]const u8, ?*builtin.StackTrace) noreturn', found '%s'",
3077 buf_ptr(&fn_type->name)));3077 buf_ptr(&fn_type->name)));
3078}3078}
30793079
src/codegen.cpp+3-3
...@@ -829,15 +829,15 @@ static bool ir_want_fast_math(CodeGen *g, IrInstruction *instruction) {...@@ -829,15 +829,15 @@ static bool ir_want_fast_math(CodeGen *g, IrInstruction *instruction) {
829 if (scope->id == ScopeIdBlock) {829 if (scope->id == ScopeIdBlock) {
830 ScopeBlock *block_scope = (ScopeBlock *)scope;830 ScopeBlock *block_scope = (ScopeBlock *)scope;
831 if (block_scope->fast_math_set_node)831 if (block_scope->fast_math_set_node)
832 return !block_scope->fast_math_off;832 return block_scope->fast_math_on;
833 } else if (scope->id == ScopeIdDecls) {833 } else if (scope->id == ScopeIdDecls) {
834 ScopeDecls *decls_scope = (ScopeDecls *)scope;834 ScopeDecls *decls_scope = (ScopeDecls *)scope;
835 if (decls_scope->fast_math_set_node)835 if (decls_scope->fast_math_set_node)
836 return !decls_scope->fast_math_off;836 return decls_scope->fast_math_on;
837 }837 }
838 scope = scope->parent;838 scope = scope->parent;
839 }839 }
840 return true;840 return false;
841}841}
842842
843static bool ir_want_runtime_safety(CodeGen *g, IrInstruction *instruction) {843static bool ir_want_runtime_safety(CodeGen *g, IrInstruction *instruction) {
src/ir.cpp+6-6
...@@ -15203,17 +15203,17 @@ static TypeTableEntry *ir_analyze_instruction_set_float_mode(IrAnalyze *ira,...@@ -15203,17 +15203,17 @@ static TypeTableEntry *ir_analyze_instruction_set_float_mode(IrAnalyze *ira,
15203 return ira->codegen->builtin_types.entry_void;15203 return ira->codegen->builtin_types.entry_void;
15204 }15204 }
1520515205
15206 bool *fast_math_off_ptr;15206 bool *fast_math_on_ptr;
15207 AstNode **fast_math_set_node_ptr;15207 AstNode **fast_math_set_node_ptr;
15208 if (target_type->id == TypeTableEntryIdBlock) {15208 if (target_type->id == TypeTableEntryIdBlock) {
15209 ScopeBlock *block_scope = (ScopeBlock *)target_val->data.x_block;15209 ScopeBlock *block_scope = (ScopeBlock *)target_val->data.x_block;
15210 fast_math_off_ptr = &block_scope->fast_math_off;15210 fast_math_on_ptr = &block_scope->fast_math_on;
15211 fast_math_set_node_ptr = &block_scope->fast_math_set_node;15211 fast_math_set_node_ptr = &block_scope->fast_math_set_node;
15212 } else if (target_type->id == TypeTableEntryIdFn) {15212 } else if (target_type->id == TypeTableEntryIdFn) {
15213 assert(target_val->data.x_ptr.special == ConstPtrSpecialFunction);15213 assert(target_val->data.x_ptr.special == ConstPtrSpecialFunction);
15214 FnTableEntry *target_fn = target_val->data.x_ptr.data.fn.fn_entry;15214 FnTableEntry *target_fn = target_val->data.x_ptr.data.fn.fn_entry;
15215 assert(target_fn->def_scope);15215 assert(target_fn->def_scope);
15216 fast_math_off_ptr = &target_fn->def_scope->fast_math_off;15216 fast_math_on_ptr = &target_fn->def_scope->fast_math_on;
15217 fast_math_set_node_ptr = &target_fn->def_scope->fast_math_set_node;15217 fast_math_set_node_ptr = &target_fn->def_scope->fast_math_set_node;
15218 } else if (target_type->id == TypeTableEntryIdMetaType) {15218 } else if (target_type->id == TypeTableEntryIdMetaType) {
15219 ScopeDecls *decls_scope;15219 ScopeDecls *decls_scope;
...@@ -15229,7 +15229,7 @@ static TypeTableEntry *ir_analyze_instruction_set_float_mode(IrAnalyze *ira,...@@ -15229,7 +15229,7 @@ static TypeTableEntry *ir_analyze_instruction_set_float_mode(IrAnalyze *ira,
15229 buf_sprintf("expected scope reference, found type '%s'", buf_ptr(&type_arg->name)));15229 buf_sprintf("expected scope reference, found type '%s'", buf_ptr(&type_arg->name)));
15230 return ira->codegen->builtin_types.entry_invalid;15230 return ira->codegen->builtin_types.entry_invalid;
15231 }15231 }
15232 fast_math_off_ptr = &decls_scope->fast_math_off;15232 fast_math_on_ptr = &decls_scope->fast_math_on;
15233 fast_math_set_node_ptr = &decls_scope->fast_math_set_node;15233 fast_math_set_node_ptr = &decls_scope->fast_math_set_node;
15234 } else {15234 } else {
15235 ir_add_error_node(ira, target_instruction->source_node,15235 ir_add_error_node(ira, target_instruction->source_node,
...@@ -15251,7 +15251,7 @@ static TypeTableEntry *ir_analyze_instruction_set_float_mode(IrAnalyze *ira,...@@ -15251,7 +15251,7 @@ static TypeTableEntry *ir_analyze_instruction_set_float_mode(IrAnalyze *ira,
15251 return ira->codegen->builtin_types.entry_invalid;15251 return ira->codegen->builtin_types.entry_invalid;
15252 }15252 }
15253 *fast_math_set_node_ptr = source_node;15253 *fast_math_set_node_ptr = source_node;
15254 *fast_math_off_ptr = (float_mode_scalar == FloatModeStrict);15254 *fast_math_on_ptr = (float_mode_scalar == FloatModeOptimized);
1525515255
15256 ir_build_const_from(ira, &instruction->base);15256 ir_build_const_from(ira, &instruction->base);
15257 return ira->codegen->builtin_types.entry_void;15257 return ira->codegen->builtin_types.entry_void;
...@@ -17093,7 +17093,7 @@ static ConstExprValue *create_ptr_like_type_info(IrAnalyze *ira, TypeTableEntry...@@ -17093,7 +17093,7 @@ static ConstExprValue *create_ptr_like_type_info(IrAnalyze *ira, TypeTableEntry
17093 // alignment: u3217093 // alignment: u32
17094 ensure_field_index(result->type, "alignment", 3);17094 ensure_field_index(result->type, "alignment", 3);
17095 fields[3].special = ConstValSpecialStatic;17095 fields[3].special = ConstValSpecialStatic;
17096 fields[3].type = ira->codegen->builtin_types.entry_u32;17096 fields[3].type = get_int_type(ira->codegen, false, 29);
17097 bigint_init_unsigned(&fields[3].data.x_bigint, attrs_type->data.pointer.alignment);17097 bigint_init_unsigned(&fields[3].data.x_bigint, attrs_type->data.pointer.alignment);
17098 // child: type17098 // child: type
17099 ensure_field_index(result->type, "child", 4);17099 ensure_field_index(result->type, "child", 4);
std/event/fs.zig+1-4
...@@ -638,10 +638,7 @@ pub async fn readFile(loop: *Loop, file_path: []const u8, max_size: usize) ![]u8...@@ -638,10 +638,7 @@ pub async fn readFile(loop: *Loop, file_path: []const u8, max_size: usize) ![]u8
638 var close_op = try CloseOperation.start(loop);638 var close_op = try CloseOperation.start(loop);
639 defer close_op.finish();639 defer close_op.finish();
640640
641 const path_with_null = try std.cstr.addNullByte(loop.allocator, file_path);641 const fd = try await (async openRead(loop, file_path) catch unreachable);
642 defer loop.allocator.free(path_with_null);
643
644 const fd = try await (async openRead(loop, path_with_null[0..file_path.len]) catch unreachable);
645 close_op.setHandle(fd);642 close_op.setHandle(fd);
646643
647 var list = std.ArrayList(u8).init(loop.allocator);644 var list = std.ArrayList(u8).init(loop.allocator);
std/fmt/errol/index.zig-4
...@@ -253,11 +253,7 @@ fn gethi(in: f64) f64 {...@@ -253,11 +253,7 @@ fn gethi(in: f64) f64 {
253/// Normalize the number by factoring in the error.253/// Normalize the number by factoring in the error.
254/// @hp: The float pair.254/// @hp: The float pair.
255fn hpNormalize(hp: *HP) void {255fn hpNormalize(hp: *HP) void {
256 // Required to avoid segfaults causing buffer overrun during errol3 digit output termination.
257 @setFloatMode(this, @import("builtin").FloatMode.Strict);
258
259 const val = hp.val;256 const val = hp.val;
260
261 hp.val += hp.off;257 hp.val += hp.off;
262 hp.off += val - hp.val;258 hp.off += val - hp.val;
263}259}
std/math/ceil.zig-2
...@@ -61,10 +61,8 @@ fn ceil64(x: f64) f64 {...@@ -61,10 +61,8 @@ fn ceil64(x: f64) f64 {
61 }61 }
6262
63 if (u >> 63 != 0) {63 if (u >> 63 != 0) {
64 @setFloatMode(this, builtin.FloatMode.Strict);
65 y = x - math.f64_toint + math.f64_toint - x;64 y = x - math.f64_toint + math.f64_toint - x;
66 } else {65 } else {
67 @setFloatMode(this, builtin.FloatMode.Strict);
68 y = x + math.f64_toint - math.f64_toint - x;66 y = x + math.f64_toint - math.f64_toint - x;
69 }67 }
7068
std/math/complex/exp.zig-2
...@@ -17,8 +17,6 @@ pub fn exp(z: var) @typeOf(z) {...@@ -17,8 +17,6 @@ pub fn exp(z: var) @typeOf(z) {
17}17}
1818
19fn exp32(z: Complex(f32)) Complex(f32) {19fn exp32(z: Complex(f32)) Complex(f32) {
20 @setFloatMode(this, @import("builtin").FloatMode.Strict);
21
22 const exp_overflow = 0x42b17218; // max_exp * ln2 ~= 88.7228395520 const exp_overflow = 0x42b17218; // max_exp * ln2 ~= 88.72283955
23 const cexp_overflow = 0x43400074; // (max_exp - min_denom_exp) * ln221 const cexp_overflow = 0x43400074; // (max_exp - min_denom_exp) * ln2
2422
std/math/cos.zig-2
...@@ -37,8 +37,6 @@ const C5 = 4.16666666666665929218E-2;...@@ -37,8 +37,6 @@ const C5 = 4.16666666666665929218E-2;
37//37//
38// This may have slight differences on some edge cases and may need to replaced if so.38// This may have slight differences on some edge cases and may need to replaced if so.
39fn cos32(x_: f32) f32 {39fn cos32(x_: f32) f32 {
40 @setFloatMode(this, @import("builtin").FloatMode.Strict);
41
42 const pi4a = 7.85398125648498535156e-1;40 const pi4a = 7.85398125648498535156e-1;
43 const pi4b = 3.77489470793079817668E-8;41 const pi4b = 3.77489470793079817668E-8;
44 const pi4c = 2.69515142907905952645E-15;42 const pi4c = 2.69515142907905952645E-15;
std/math/exp.zig-4
...@@ -18,8 +18,6 @@ pub fn exp(x: var) @typeOf(x) {...@@ -18,8 +18,6 @@ pub fn exp(x: var) @typeOf(x) {
18}18}
1919
20fn exp32(x_: f32) f32 {20fn exp32(x_: f32) f32 {
21 @setFloatMode(this, builtin.FloatMode.Strict);
22
23 const half = []f32{ 0.5, -0.5 };21 const half = []f32{ 0.5, -0.5 };
24 const ln2hi = 6.9314575195e-1;22 const ln2hi = 6.9314575195e-1;
25 const ln2lo = 1.4286067653e-6;23 const ln2lo = 1.4286067653e-6;
...@@ -95,8 +93,6 @@ fn exp32(x_: f32) f32 {...@@ -95,8 +93,6 @@ fn exp32(x_: f32) f32 {
95}93}
9694
97fn exp64(x_: f64) f64 {95fn exp64(x_: f64) f64 {
98 @setFloatMode(this, builtin.FloatMode.Strict);
99
100 const half = []const f64{ 0.5, -0.5 };96 const half = []const f64{ 0.5, -0.5 };
101 const ln2hi: f64 = 6.93147180369123816490e-01;97 const ln2hi: f64 = 6.93147180369123816490e-01;
102 const ln2lo: f64 = 1.90821492927058770002e-10;98 const ln2lo: f64 = 1.90821492927058770002e-10;
std/math/exp2.zig-4
...@@ -36,8 +36,6 @@ const exp2ft = []const f64{...@@ -36,8 +36,6 @@ const exp2ft = []const f64{
36};36};
3737
38fn exp2_32(x: f32) f32 {38fn exp2_32(x: f32) f32 {
39 @setFloatMode(this, @import("builtin").FloatMode.Strict);
40
41 const tblsiz = @intCast(u32, exp2ft.len);39 const tblsiz = @intCast(u32, exp2ft.len);
42 const redux: f32 = 0x1.8p23 / @intToFloat(f32, tblsiz);40 const redux: f32 = 0x1.8p23 / @intToFloat(f32, tblsiz);
43 const P1: f32 = 0x1.62e430p-1;41 const P1: f32 = 0x1.62e430p-1;
...@@ -353,8 +351,6 @@ const exp2dt = []f64{...@@ -353,8 +351,6 @@ const exp2dt = []f64{
353};351};
354352
355fn exp2_64(x: f64) f64 {353fn exp2_64(x: f64) f64 {
356 @setFloatMode(this, @import("builtin").FloatMode.Strict);
357
358 const tblsiz = @intCast(u32, exp2dt.len / 2);354 const tblsiz = @intCast(u32, exp2dt.len / 2);
359 const redux: f64 = 0x1.8p52 / @intToFloat(f64, tblsiz);355 const redux: f64 = 0x1.8p52 / @intToFloat(f64, tblsiz);
360 const P1: f64 = 0x1.62e42fefa39efp-1;356 const P1: f64 = 0x1.62e42fefa39efp-1;
std/math/expm1.zig-4
...@@ -19,8 +19,6 @@ pub fn expm1(x: var) @typeOf(x) {...@@ -19,8 +19,6 @@ pub fn expm1(x: var) @typeOf(x) {
19}19}
2020
21fn expm1_32(x_: f32) f32 {21fn expm1_32(x_: f32) f32 {
22 @setFloatMode(this, builtin.FloatMode.Strict);
23
24 if (math.isNan(x_))22 if (math.isNan(x_))
25 return math.nan(f32);23 return math.nan(f32);
2624
...@@ -149,8 +147,6 @@ fn expm1_32(x_: f32) f32 {...@@ -149,8 +147,6 @@ fn expm1_32(x_: f32) f32 {
149}147}
150148
151fn expm1_64(x_: f64) f64 {149fn expm1_64(x_: f64) f64 {
152 @setFloatMode(this, builtin.FloatMode.Strict);
153
154 if (math.isNan(x_))150 if (math.isNan(x_))
155 return math.nan(f64);151 return math.nan(f64);
156152
std/math/floor.zig-2
...@@ -97,10 +97,8 @@ fn floor64(x: f64) f64 {...@@ -97,10 +97,8 @@ fn floor64(x: f64) f64 {
97 }97 }
9898
99 if (u >> 63 != 0) {99 if (u >> 63 != 0) {
100 @setFloatMode(this, builtin.FloatMode.Strict);
101 y = x - math.f64_toint + math.f64_toint - x;100 y = x - math.f64_toint + math.f64_toint - x;
102 } else {101 } else {
103 @setFloatMode(this, builtin.FloatMode.Strict);
104 y = x + math.f64_toint - math.f64_toint - x;102 y = x + math.f64_toint - math.f64_toint - x;
105 }103 }
106104
std/math/ln.zig-4
...@@ -35,8 +35,6 @@ pub fn ln(x: var) @typeOf(x) {...@@ -35,8 +35,6 @@ pub fn ln(x: var) @typeOf(x) {
35}35}
3636
37pub fn ln_32(x_: f32) f32 {37pub fn ln_32(x_: f32) f32 {
38 @setFloatMode(this, @import("builtin").FloatMode.Strict);
39
40 const ln2_hi: f32 = 6.9313812256e-01;38 const ln2_hi: f32 = 6.9313812256e-01;
41 const ln2_lo: f32 = 9.0580006145e-06;39 const ln2_lo: f32 = 9.0580006145e-06;
42 const Lg1: f32 = 0xaaaaaa.0p-24;40 const Lg1: f32 = 0xaaaaaa.0p-24;
...@@ -89,8 +87,6 @@ pub fn ln_32(x_: f32) f32 {...@@ -89,8 +87,6 @@ pub fn ln_32(x_: f32) f32 {
89}87}
9088
91pub fn ln_64(x_: f64) f64 {89pub fn ln_64(x_: f64) f64 {
92 @setFloatMode(this, @import("builtin").FloatMode.Strict);
93
94 const ln2_hi: f64 = 6.93147180369123816490e-01;90 const ln2_hi: f64 = 6.93147180369123816490e-01;
95 const ln2_lo: f64 = 1.90821492927058770002e-10;91 const ln2_lo: f64 = 1.90821492927058770002e-10;
96 const Lg1: f64 = 6.666666666666735130e-01;92 const Lg1: f64 = 6.666666666666735130e-01;
std/math/pow.zig-2
...@@ -28,8 +28,6 @@ const assert = std.debug.assert;...@@ -28,8 +28,6 @@ const assert = std.debug.assert;
2828
29// This implementation is taken from the go stlib, musl is a bit more complex.29// This implementation is taken from the go stlib, musl is a bit more complex.
30pub fn pow(comptime T: type, x: T, y: T) T {30pub fn pow(comptime T: type, x: T, y: T) T {
31 @setFloatMode(this, @import("builtin").FloatMode.Strict);
32
33 if (T != f32 and T != f64) {31 if (T != f32 and T != f64) {
34 @compileError("pow not implemented for " ++ @typeName(T));32 @compileError("pow not implemented for " ++ @typeName(T));
35 }33 }
std/math/round.zig+2-10
...@@ -35,11 +35,7 @@ fn round32(x_: f32) f32 {...@@ -35,11 +35,7 @@ fn round32(x_: f32) f32 {
35 return 0 * @bitCast(f32, u);35 return 0 * @bitCast(f32, u);
36 }36 }
3737
38 {38 y = x + math.f32_toint - math.f32_toint - x;
39 @setFloatMode(this, builtin.FloatMode.Strict);
40 y = x + math.f32_toint - math.f32_toint - x;
41 }
42
43 if (y > 0.5) {39 if (y > 0.5) {
44 y = y + x - 1;40 y = y + x - 1;
45 } else if (y <= -0.5) {41 } else if (y <= -0.5) {
...@@ -72,11 +68,7 @@ fn round64(x_: f64) f64 {...@@ -72,11 +68,7 @@ fn round64(x_: f64) f64 {
72 return 0 * @bitCast(f64, u);68 return 0 * @bitCast(f64, u);
73 }69 }
7470
75 {71 y = x + math.f64_toint - math.f64_toint - x;
76 @setFloatMode(this, builtin.FloatMode.Strict);
77 y = x + math.f64_toint - math.f64_toint - x;
78 }
79
80 if (y > 0.5) {72 if (y > 0.5) {
81 y = y + x - 1;73 y = y + x - 1;
82 } else if (y <= -0.5) {74 } else if (y <= -0.5) {
std/math/sin.zig-2
...@@ -38,8 +38,6 @@ const C5 = 4.16666666666665929218E-2;...@@ -38,8 +38,6 @@ const C5 = 4.16666666666665929218E-2;
38//38//
39// This may have slight differences on some edge cases and may need to replaced if so.39// This may have slight differences on some edge cases and may need to replaced if so.
40fn sin32(x_: f32) f32 {40fn sin32(x_: f32) f32 {
41 @setFloatMode(this, @import("builtin").FloatMode.Strict);
42
43 const pi4a = 7.85398125648498535156e-1;41 const pi4a = 7.85398125648498535156e-1;
44 const pi4b = 3.77489470793079817668E-8;42 const pi4b = 3.77489470793079817668E-8;
45 const pi4c = 2.69515142907905952645E-15;43 const pi4c = 2.69515142907905952645E-15;
std/math/sinh.zig-2
...@@ -54,8 +54,6 @@ fn sinh32(x: f32) f32 {...@@ -54,8 +54,6 @@ fn sinh32(x: f32) f32 {
54}54}
5555
56fn sinh64(x: f64) f64 {56fn sinh64(x: f64) f64 {
57 @setFloatMode(this, @import("builtin").FloatMode.Strict);
58
59 const u = @bitCast(u64, x);57 const u = @bitCast(u64, x);
60 const w = @intCast(u32, u >> 32);58 const w = @intCast(u32, u >> 32);
61 const ax = @bitCast(f64, u & (@maxValue(u64) >> 1));59 const ax = @bitCast(f64, u & (@maxValue(u64) >> 1));
std/math/tan.zig-2
...@@ -31,8 +31,6 @@ const Tq4 = -5.38695755929454629881E7;...@@ -31,8 +31,6 @@ const Tq4 = -5.38695755929454629881E7;
31//31//
32// This may have slight differences on some edge cases and may need to replaced if so.32// This may have slight differences on some edge cases and may need to replaced if so.
33fn tan32(x_: f32) f32 {33fn tan32(x_: f32) f32 {
34 @setFloatMode(this, @import("builtin").FloatMode.Strict);
35
36 const pi4a = 7.85398125648498535156e-1;34 const pi4a = 7.85398125648498535156e-1;
37 const pi4b = 3.77489470793079817668E-8;35 const pi4b = 3.77489470793079817668E-8;
38 const pi4c = 2.69515142907905952645E-15;36 const pi4c = 2.69515142907905952645E-15;
std/mem.zig+41-1
...@@ -679,10 +679,38 @@ test "testWriteInt" {...@@ -679,10 +679,38 @@ test "testWriteInt" {
679 comptime testWriteIntImpl();679 comptime testWriteIntImpl();
680}680}
681fn testWriteIntImpl() void {681fn testWriteIntImpl() void {
682 var bytes: [4]u8 = undefined;682 var bytes: [8]u8 = undefined;
683
684 writeInt(bytes[0..], u64(0x12345678CAFEBABE), builtin.Endian.Big);
685 assert(eql(u8, bytes, []u8{
686 0x12,
687 0x34,
688 0x56,
689 0x78,
690 0xCA,
691 0xFE,
692 0xBA,
693 0xBE,
694 }));
695
696 writeInt(bytes[0..], u64(0xBEBAFECA78563412), builtin.Endian.Little);
697 assert(eql(u8, bytes, []u8{
698 0x12,
699 0x34,
700 0x56,
701 0x78,
702 0xCA,
703 0xFE,
704 0xBA,
705 0xBE,
706 }));
683707
684 writeInt(bytes[0..], u32(0x12345678), builtin.Endian.Big);708 writeInt(bytes[0..], u32(0x12345678), builtin.Endian.Big);
685 assert(eql(u8, bytes, []u8{709 assert(eql(u8, bytes, []u8{
710 0x00,
711 0x00,
712 0x00,
713 0x00,
686 0x12,714 0x12,
687 0x34,715 0x34,
688 0x56,716 0x56,
...@@ -695,10 +723,18 @@ fn testWriteIntImpl() void {...@@ -695,10 +723,18 @@ fn testWriteIntImpl() void {
695 0x34,723 0x34,
696 0x56,724 0x56,
697 0x78,725 0x78,
726 0x00,
727 0x00,
728 0x00,
729 0x00,
698 }));730 }));
699731
700 writeInt(bytes[0..], u16(0x1234), builtin.Endian.Big);732 writeInt(bytes[0..], u16(0x1234), builtin.Endian.Big);
701 assert(eql(u8, bytes, []u8{733 assert(eql(u8, bytes, []u8{
734 0x00,
735 0x00,
736 0x00,
737 0x00,
702 0x00,738 0x00,
703 0x00,739 0x00,
704 0x12,740 0x12,
...@@ -711,6 +747,10 @@ fn testWriteIntImpl() void {...@@ -711,6 +747,10 @@ fn testWriteIntImpl() void {
711 0x12,747 0x12,
712 0x00,748 0x00,
713 0x00,749 0x00,
750 0x00,
751 0x00,
752 0x00,
753 0x00,
714 }));754 }));
715}755}
716756