Commit 3e94347e6152dd9a88f4bceb46bbc245ed7cef98 | zig

author	tgschultz <tgschultz@gmail.com> 2018-06-27 11:30:15-05:00
committer	Andrew Kelley <andrew@ziglang.org> 2018-06-27 12:30:15-04:00
log	3e94347e6152dd9a88f4bceb46bbc245ed7cef98
tree	b58eddbcf200ac3ee8c5ebb2bf89d45aa0236061
parent	1b4bae6d69937043add14c0dac357c1a1b05f037

Fix up some std.rand syntax #1161 (#1162)

* Fix old syntax in rand

Ziggurat somehow did not get updated to latest syntax

* Fix broken float casts

f32 float casts somehow not updated to latest syntax

2 files changed, 8 insertions(+), 4 deletions(-)

std
- rand
  - index.zig
  - ziggurat.zig

std/rand/index.zig+2-2

...	...	@@ -116,7 +116,7 @@ pub const Random = struct {
116	116	pub fn floatNorm(r: *Random, comptime T: type) T {
117	117	const value = ziggurat.next_f64(r, ziggurat.NormDist);
118	118	switch (T) {
119		f32 => return f32(value),
	119	f32 => return @floatCast(f32, value),
120	120	f64 => return value,
121	121	else => @compileError("unknown floating point type"),
122	122	}
...	...	@@ -128,7 +128,7 @@ pub const Random = struct {
128	128	pub fn floatExp(r: *Random, comptime T: type) T {
129	129	const value = ziggurat.next_f64(r, ziggurat.ExpDist);
130	130	switch (T) {
131		f32 => return f32(value),
	131	f32 => return @floatCast(f32, value),
132	132	f64 => return value,
133	133	else => @compileError("unknown floating point type"),
134	134	}

std/rand/ziggurat.zig+6-2

...	...	@@ -84,12 +84,12 @@ fn ZigTableGen(
84	84
85	85	for (tables.x[2..256]) \|*entry, i\| {
86	86	const last = tables.x[2 + i - 1];
87		*entry = f_inv(v / last + f(last));
	87	entry.* = f_inv(v / last + f(last));
88	88	}
89	89	tables.x[256] = 0;
90	90
91	91	for (tables.f[0..]) \|*entry, i\| {
92		*entry = f(tables.x[i]);
	92	entry.* = f(tables.x[i]);
93	93	}
94	94
95	95	return tables;
...	...	@@ -160,3 +160,7 @@ test "ziggurant exp dist sanity" {
160	160	_ = prng.random.floatExp(f64);
161	161	}
162	162	}
	163
	164	test "ziggurat table gen" {
	165	const table = NormDist;
	166	}